diff --git a/Videos/Balance_Video.webm b/Videos/Balance_Video.webm
new file mode 100644
index 0000000..bca0d11
Binary files /dev/null and b/Videos/Balance_Video.webm differ
diff --git a/Videos/DoubleInverted_Video.webm b/Videos/DoubleInverted_Video.webm
new file mode 100644
index 0000000..a4f6fc7
Binary files /dev/null and b/Videos/DoubleInverted_Video.webm differ
diff --git a/Videos/SwingUp_Video.webm b/Videos/SwingUp_Video.webm
new file mode 100644
index 0000000..3eb815a
Binary files /dev/null and b/Videos/SwingUp_Video.webm differ
diff --git a/double_inverted/build/COLCON_IGNORE b/double_inverted/build/COLCON_IGNORE
new file mode 100644
index 0000000..e69de29
diff --git a/double_inverted/build/double_inverted/build/lib/double_inverted/__init__.py b/double_inverted/build/double_inverted/build/lib/double_inverted/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/double_inverted/build/double_inverted/build/lib/double_inverted/double_inverted_dyanamics.py b/double_inverted/build/double_inverted/build/lib/double_inverted/double_inverted_dyanamics.py
new file mode 100644
index 0000000..fe00916
--- /dev/null
+++ b/double_inverted/build/double_inverted/build/lib/double_inverted/double_inverted_dyanamics.py
@@ -0,0 +1,82 @@
+import rclpy
+from rclpy.node import Node
+import numpy as np
+import matplotlib.pyplot as plt
+import matplotlib.animation as animation
+
+class DoubleInvertedPendulumSimulator(Node):
+ def __init__(self):
+ super().__init__("double_inverted_pendulum_simulator")
+
+ # Initialize pendulum parameters
+ self.length1 = 1.0 # Length of the first pendulum
+ self.length2 = 1.0 # Length of the second pendulum
+ self.mass1 = 1.0 # Mass of the first pendulum
+ self.mass2 = 1.0 # Mass of the second pendulum
+ self.gravity = 9.81 # Acceleration due to gravity
+
+ # Initial state [theta1, omega1, theta2, omega2]
+ self.state = np.array([np.pi / 2, 0, np.pi / 2, 0])
+
+ # Time step for the simulation
+ self.dt = 0.01
+
+ # Setup the figure and axis for visualization
+ self.fig, self.ax = plt.subplots()
+ self.line, = self.ax.plot([], [], 'o-', lw=2)
+ self.ax.set_xlim(-2, 2)
+ self.ax.set_ylim(-2, 2)
+ self.ax.grid()
+
+ self.ani = animation.FuncAnimation(self.fig, self.update_plot, interval=50, blit=True)
+ plt.show()
+
+ def equations_of_motion(self, state):
+ theta1, omega1, theta2, omega2 = state
+
+ delta = theta2 - theta1
+
+ denom1 = (self.mass1 + self.mass2) * self.length1 - self.mass2 * self.length1 * np.cos(delta) * np.cos(delta)
+ denom2 = (self.length2 / self.length1) * denom1
+
+ a1 = (self.mass2 * self.length1 * omega1 * omega1 * np.sin(delta) * np.cos(delta) +
+ self.mass2 * self.gravity * np.sin(theta2) * np.cos(delta) +
+ self.mass2 * self.length2 * omega2 * omega2 * np.sin(delta) -
+ (self.mass1 + self.mass2) * self.gravity * np.sin(theta1)) / denom1
+
+ a2 = (- self.mass2 * self.length2 * omega2 * omega2 * np.sin(delta) * np.cos(delta) +
+ (self.mass1 + self.mass2) * self.gravity * np.sin(theta1) * np.cos(delta) -
+ (self.mass1 + self.mass2) * self.length1 * omega1 * omega1 * np.sin(delta) -
+ (self.mass1 + self.mass2) * self.gravity * np.sin(theta2)) / denom2
+
+ return np.array([omega1, a1, omega2, a2])
+
+ def step(self):
+ self.state += self.equations_of_motion(self.state) * self.dt
+
+ def update_plot(self, frame):
+ self.step()
+
+ theta1, _, theta2, _ = self.state
+
+ x1 = self.length1 * np.sin(theta1)
+ y1 = -self.length1 * np.cos(theta1)
+ x2 = x1 + self.length2 * np.sin(theta2)
+ y2 = y1 - self.length2 * np.cos(theta2)
+
+ self.line.set_data([0, x1, x2], [0, y1, y2])
+ return self.line,
+
+def main(args=None):
+ rclpy.init(args=args)
+ node = DoubleInvertedPendulumSimulator()
+ try:
+ rclpy.spin(node)
+ except KeyboardInterrupt:
+ pass
+ finally:
+ node.destroy_node()
+ rclpy.shutdown()
+
+if __name__ == "__main__":
+ main()
diff --git a/double_inverted/build/double_inverted/colcon_build.rc b/double_inverted/build/double_inverted/colcon_build.rc
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/double_inverted/build/double_inverted/colcon_build.rc
@@ -0,0 +1 @@
+0
diff --git a/double_inverted/build/double_inverted/colcon_command_prefix_setup_py.sh b/double_inverted/build/double_inverted/colcon_command_prefix_setup_py.sh
new file mode 100644
index 0000000..f9867d5
--- /dev/null
+++ b/double_inverted/build/double_inverted/colcon_command_prefix_setup_py.sh
@@ -0,0 +1 @@
+# generated from colcon_core/shell/template/command_prefix.sh.em
diff --git a/double_inverted/build/double_inverted/colcon_command_prefix_setup_py.sh.env b/double_inverted/build/double_inverted/colcon_command_prefix_setup_py.sh.env
new file mode 100644
index 0000000..df39a06
--- /dev/null
+++ b/double_inverted/build/double_inverted/colcon_command_prefix_setup_py.sh.env
@@ -0,0 +1,57 @@
+AMENT_PREFIX_PATH=/opt/ros/galactic
+COLCON=1
+COLORTERM=truecolor
+DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus,guid=76d3d2a54a87fb7fcc1215e866556bb3
+DBUS_STARTER_ADDRESS=unix:path=/run/user/1000/bus,guid=76d3d2a54a87fb7fcc1215e866556bb3
+DBUS_STARTER_BUS_TYPE=session
+DESKTOP_SESSION=ubuntu
+DISPLAY=:0
+GDMSESSION=ubuntu
+GNOME_DESKTOP_SESSION_ID=this-is-deprecated
+GNOME_SHELL_SESSION_MODE=ubuntu
+GNOME_TERMINAL_SCREEN=/org/gnome/Terminal/screen/25509364_879c_490d_a838_26e8c09adf24
+GNOME_TERMINAL_SERVICE=:1.643
+GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
+GTK_MODULES=gail:atk-bridge
+HOME=/home/aryan
+IM_CONFIG_PHASE=1
+INVOCATION_ID=685ce25ff4a54ba8a5f8e9295eb0a1ac
+JOURNAL_STREAM=8:45890
+LANG=en_IN
+LANGUAGE=en_IN:en
+LD_LIBRARY_PATH=/opt/ros/galactic/opt/yaml_cpp_vendor/lib:/opt/ros/galactic/opt/rviz_ogre_vendor/lib:/opt/ros/galactic/lib/x86_64-linux-gnu:/opt/ros/galactic/lib
+LESSCLOSE=/usr/bin/lesspipe %s %s
+LESSOPEN=| /usr/bin/lesspipe %s
+LOGNAME=aryan
+LS_COLORS=rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:
+MANAGERPID=1509
+PATH=/opt/ros/galactic/bin:/home/aryan/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
+PWD=/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted
+PYTHONPATH=/opt/ros/galactic/lib/python3.8/site-packages
+QT_ACCESSIBILITY=1
+QT_IM_MODULE=ibus
+ROS_DISTRO=galactic
+ROS_LOCALHOST_ONLY=0
+ROS_PYTHON_VERSION=3
+ROS_VERSION=2
+SESSION_MANAGER=local/aryan-Vivobook-ASUSLaptop-X1502ZA-X1502ZA:@/tmp/.ICE-unix/1647,unix/aryan-Vivobook-ASUSLaptop-X1502ZA-X1502ZA:/tmp/.ICE-unix/1647
+SHELL=/bin/bash
+SHLVL=1
+SSH_AGENT_PID=1607
+SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
+TERM=xterm-256color
+USER=aryan
+USERNAME=aryan
+VTE_VERSION=6003
+WINDOWPATH=2
+XAUTHORITY=/run/user/1000/gdm/Xauthority
+XDG_CONFIG_DIRS=/etc/xdg/xdg-ubuntu:/etc/xdg
+XDG_CURRENT_DESKTOP=ubuntu:GNOME
+XDG_DATA_DIRS=/usr/share/ubuntu:/usr/local/share/:/usr/share/:/var/lib/snapd/desktop
+XDG_MENU_PREFIX=gnome-
+XDG_RUNTIME_DIR=/run/user/1000
+XDG_SESSION_CLASS=user
+XDG_SESSION_DESKTOP=ubuntu
+XDG_SESSION_TYPE=x11
+XMODIFIERS=@im=ibus
+_=/usr/bin/colcon
diff --git a/double_inverted/build/double_inverted/double_inverted.egg-info/PKG-INFO b/double_inverted/build/double_inverted/double_inverted.egg-info/PKG-INFO
new file mode 100644
index 0000000..2029d33
--- /dev/null
+++ b/double_inverted/build/double_inverted/double_inverted.egg-info/PKG-INFO
@@ -0,0 +1,10 @@
+Metadata-Version: 1.2
+Name: double-inverted
+Version: 0.0.0
+Summary: TODO: Package description
+Home-page: UNKNOWN
+Maintainer: aryan
+Maintainer-email: aryankay1234@gmail.com
+License: TODO: License declaration
+Description: UNKNOWN
+Platform: UNKNOWN
diff --git a/double_inverted/build/double_inverted/double_inverted.egg-info/SOURCES.txt b/double_inverted/build/double_inverted/double_inverted.egg-info/SOURCES.txt
new file mode 100644
index 0000000..414b498
--- /dev/null
+++ b/double_inverted/build/double_inverted/double_inverted.egg-info/SOURCES.txt
@@ -0,0 +1,16 @@
+package.xml
+setup.cfg
+setup.py
+build/double_inverted/double_inverted.egg-info/PKG-INFO
+build/double_inverted/double_inverted.egg-info/SOURCES.txt
+build/double_inverted/double_inverted.egg-info/dependency_links.txt
+build/double_inverted/double_inverted.egg-info/entry_points.txt
+build/double_inverted/double_inverted.egg-info/requires.txt
+build/double_inverted/double_inverted.egg-info/top_level.txt
+build/double_inverted/double_inverted.egg-info/zip-safe
+double_inverted/__init__.py
+double_inverted/double_inverted_dyanamics.py
+resource/double_inverted
+test/test_copyright.py
+test/test_flake8.py
+test/test_pep257.py
\ No newline at end of file
diff --git a/double_inverted/build/double_inverted/double_inverted.egg-info/dependency_links.txt b/double_inverted/build/double_inverted/double_inverted.egg-info/dependency_links.txt
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/double_inverted/build/double_inverted/double_inverted.egg-info/dependency_links.txt
@@ -0,0 +1 @@
+
diff --git a/double_inverted/build/double_inverted/double_inverted.egg-info/entry_points.txt b/double_inverted/build/double_inverted/double_inverted.egg-info/entry_points.txt
new file mode 100644
index 0000000..9a6c5bf
--- /dev/null
+++ b/double_inverted/build/double_inverted/double_inverted.egg-info/entry_points.txt
@@ -0,0 +1,3 @@
+[console_scripts]
+dyanamics = double_inverted.double_inverted_dyanamics:main
+
diff --git a/double_inverted/build/double_inverted/double_inverted.egg-info/requires.txt b/double_inverted/build/double_inverted/double_inverted.egg-info/requires.txt
new file mode 100644
index 0000000..49fe098
--- /dev/null
+++ b/double_inverted/build/double_inverted/double_inverted.egg-info/requires.txt
@@ -0,0 +1 @@
+setuptools
diff --git a/double_inverted/build/double_inverted/double_inverted.egg-info/top_level.txt b/double_inverted/build/double_inverted/double_inverted.egg-info/top_level.txt
new file mode 100644
index 0000000..b224df2
--- /dev/null
+++ b/double_inverted/build/double_inverted/double_inverted.egg-info/top_level.txt
@@ -0,0 +1 @@
+double_inverted
diff --git a/double_inverted/build/double_inverted/double_inverted.egg-info/zip-safe b/double_inverted/build/double_inverted/double_inverted.egg-info/zip-safe
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/double_inverted/build/double_inverted/double_inverted.egg-info/zip-safe
@@ -0,0 +1 @@
+
diff --git a/double_inverted/build/double_inverted/install.log b/double_inverted/build/double_inverted/install.log
new file mode 100644
index 0000000..062c5c2
--- /dev/null
+++ b/double_inverted/build/double_inverted/install.log
@@ -0,0 +1,14 @@
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/double_inverted_dyanamics.py
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__init__.py
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__pycache__/double_inverted_dyanamics.cpython-38.pyc
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__pycache__/__init__.cpython-38.pyc
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index/packages/double_inverted
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted/package.xml
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/PKG-INFO
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/entry_points.txt
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/dependency_links.txt
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/SOURCES.txt
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/requires.txt
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/zip-safe
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/top_level.txt
+/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/double_inverted/dyanamics
diff --git a/double_inverted/build/double_inverted/prefix_override/__pycache__/sitecustomize.cpython-38.pyc b/double_inverted/build/double_inverted/prefix_override/__pycache__/sitecustomize.cpython-38.pyc
new file mode 100644
index 0000000..68dd60c
Binary files /dev/null and b/double_inverted/build/double_inverted/prefix_override/__pycache__/sitecustomize.cpython-38.pyc differ
diff --git a/double_inverted/build/double_inverted/prefix_override/sitecustomize.py b/double_inverted/build/double_inverted/prefix_override/sitecustomize.py
new file mode 100644
index 0000000..9a35321
--- /dev/null
+++ b/double_inverted/build/double_inverted/prefix_override/sitecustomize.py
@@ -0,0 +1,3 @@
+import sys
+sys.real_prefix = sys.prefix
+sys.prefix = sys.exec_prefix = '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted'
diff --git a/double_inverted/double_inverted/__init__.py b/double_inverted/double_inverted/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/double_inverted/double_inverted/__pycache__/double_inverted_dyanamics.cpython-38.pyc b/double_inverted/double_inverted/__pycache__/double_inverted_dyanamics.cpython-38.pyc
new file mode 100644
index 0000000..1727752
Binary files /dev/null and b/double_inverted/double_inverted/__pycache__/double_inverted_dyanamics.cpython-38.pyc differ
diff --git a/double_inverted/double_inverted/double_inverted_dyanamics.py b/double_inverted/double_inverted/double_inverted_dyanamics.py
new file mode 100644
index 0000000..d4a6b19
--- /dev/null
+++ b/double_inverted/double_inverted/double_inverted_dyanamics.py
@@ -0,0 +1,172 @@
+import numpy as np
+import matplotlib.pyplot as plt
+import time
+from math import sin, cos
+
+import rclpy
+from rclpy.node import Node
+
+from builtin_interfaces.msg import Duration
+from visualization_msgs.msg import Marker
+from geometry_msgs.msg import Point
+
+from custom_msgs.msg import TorqueInput, States
+
+class Double_Inverted_Pendulum(Node):
+
+ # Initialise States :
+ theta_1_init = np.pi - (np.random.rand() - 0.5) / 2
+ theta_2_init = np.pi / 3
+
+ theta1_dot_init = 0.0
+ theta2_dot_init = 0.0
+
+ # Param/s
+ mass1 = 1.0 # grams
+ mass2 = 0.1 # grams
+ l1 = 1.0 # metres
+ l2 = 1.0 # metres
+ a = 0.05 # metres
+ g = 9.81 # m / sec ^ 2
+
+ state_update_frequency = 500
+ state_update_timeperiod = 1 / state_update_frequency
+
+ feedback_frequency = 50
+
+ def __init__ (self) :
+ super().__init__('main')
+
+ # Timers :
+ update_states_timer = self.create_timer(1 / self.state_update_frequency, self.Update_Pendulum_States)
+ feedback_timer = self.create_timer(1 / self.feedback_frequency, self.Feedback)
+
+ # Publishers :
+ self.visualizer1 = self.create_publisher(Marker, '/pendulum_viz1', 1)
+ self.visualizer2 = self.create_publisher(Marker, '/pendulum_viz2', 1)
+
+ self.feedback_pub1 = self.create_publisher(States, '/state_feedback1', 1)
+ self.feedback_pub2 = self.create_publisher(States, '/state_feedback2', 1)
+
+ # Attributes :
+ self.t_start = time.time()
+ self.t_prev = time.time() - 0.0001
+ self.obj_id = 0
+
+ # States :
+ self.theta1 = self.theta_1_init
+ self.theta2 = self.theta_2_init
+
+ self.theta1_dot = self.theta1_dot_init
+ self.theta2_dot = self.theta2_dot_init
+
+ def Update_Pendulum_States(self) :
+ dt = time.time() - self.t_prev
+ self.t_prev = time.time()
+
+ #Calculation of angular accelerations :)
+ Theta1_DoubleDot = (-self.g * (2 * self.mass1 + self.mass2) * np.sin(self.theta1)
+ - self.mass2 * self.g * np.sin(self.theta1 - 2 * self.theta2)
+ - 2 * np.sin(self.theta1 - self.theta2) * self.mass2 * (self.theta2_dot**2 * self.l2 + self.theta1_dot**2 * self.l1 * np.cos(self.theta1 - self.theta2))) / (self.l1 * (2 * self.mass1 + self.mass2 - self.mass2 * np.cos(2 * self.theta1 - 2 * self.theta2)))
+
+ Theta2_DoubleDot = (2 * np.sin(self.theta1 - self.theta2) *
+ (self.theta1_dot**2 * self.l1 * (self.mass1 + self.mass2)
+ + self.g * (self.mass1 + self.mass2) * np.cos(self.theta1)
+ + self.theta2_dot**2 * self.l2 * self.mass2 * np.cos(self.theta1 - self.theta2))) / (self.l2 * (2 * self.mass1 + self.mass2 - self.mass2 * np.cos(2 * self.theta1 - 2 * self.theta2)))
+
+ # Incrementing omegas
+ self.theta1_dot += Theta1_DoubleDot * dt
+ self.theta2_dot += Theta2_DoubleDot * dt
+
+ # Incrementing thetas
+ self.theta1 += self.theta1_dot * dt
+ self.theta2 += self.theta2_dot * dt
+
+ self.visualise_pendulum()
+
+ return
+
+ def Feedback(self):
+ states_msg1 = States()
+ states_msg1.theta = self.theta1
+ states_msg1.theta_dot = self.theta1_dot
+
+ states_msg2 = States()
+ states_msg2.theta = self.theta2
+ states_msg2.theta_dot = self.theta2_dot
+
+ self.feedback_pub1.publish(states_msg1)
+ self.feedback_pub2.publish(states_msg2)
+
+ return
+
+
+ def visualise_pendulum(self):
+ pendulum_marker1 = Marker()
+ pendulum_marker1.header.frame_id = "map"
+ pendulum_marker1.id = self.obj_id
+ pendulum_marker1.type = Marker.LINE_STRIP
+ pendulum_marker1.action = Marker.ADD
+ pendulum_marker1.pose.orientation.w = 1.0
+ pendulum_marker1.scale.x = 0.05 # Line width
+
+ # Set points
+ point_1 = Point()
+ point_1.x = 0.0
+ point_1.y = 0.0
+ point_1.z = 0.0
+
+ point_2 = Point()
+ point_2.x = self.l1 * sin(self.theta1)
+ point_2.y = - self.l1 * cos(self.theta1)
+ point_2.z = 0.0
+ pendulum_marker1.points = [point_1,
+ point_2
+ ]
+
+ pendulum_marker2 = Marker()
+ pendulum_marker2.header.frame_id = "map"
+ pendulum_marker2.id = self.obj_id
+ pendulum_marker2.type = Marker.LINE_STRIP
+ pendulum_marker2.action = Marker.ADD
+ pendulum_marker2.pose.orientation.w = 1.0
+ pendulum_marker2.scale.x = 0.05 # Line width
+
+ point_3 = Point()
+ point_3.x = point_2.x + (self.l2 * sin(self.theta2))
+ point_3.y = point_2.y + (self.l2 * cos(self.theta2))
+ point_3.z = 0.0
+ pendulum_marker2.points = [point_2,
+ point_3
+ ]
+ pendulum_marker1.color.b = 1.0
+ pendulum_marker1.color.g = 1.0
+ pendulum_marker1.color.a = 1.0 # Alpha value
+ Duration_of_pendulum_marker = Duration()
+ Duration_of_pendulum_marker.sec = 0
+ Duration_of_pendulum_marker.nanosec = int(self.state_update_timeperiod * 1e+9)
+ pendulum_marker1.lifetime = Duration_of_pendulum_marker # Permanent pendulum_marker
+ self.visualizer1.publish(pendulum_marker1)
+
+ pendulum_marker2.color.g = 1.0
+ pendulum_marker1.color.r = 1.0
+ pendulum_marker2.color.a = 1.0 # Alpha value
+ Duration_of_pendulum_marker = Duration()
+ Duration_of_pendulum_marker.sec = 0
+ Duration_of_pendulum_marker.nanosec = int(self.state_update_timeperiod * 1e+9)
+ pendulum_marker2.lifetime = Duration_of_pendulum_marker # Permanent pendulum_marker
+ self.visualizer2.publish(pendulum_marker2)
+
+ self.obj_id += 1
+
+def main(args = None):
+
+ rclpy.init(args = args)
+ pendulum = Double_Inverted_Pendulum()
+ rclpy.spin(pendulum)
+
+ pendulum.destroy_node()
+ rclpy.shutdown()
+
+if __name__ == '__main__':
+ main()
diff --git a/double_inverted/install/COLCON_IGNORE b/double_inverted/install/COLCON_IGNORE
new file mode 100644
index 0000000..e69de29
diff --git a/double_inverted/install/_local_setup_util_ps1.py b/double_inverted/install/_local_setup_util_ps1.py
new file mode 100644
index 0000000..83abe63
--- /dev/null
+++ b/double_inverted/install/_local_setup_util_ps1.py
@@ -0,0 +1,407 @@
+# Copyright 2016-2019 Dirk Thomas
+# Licensed under the Apache License, Version 2.0
+
+import argparse
+from collections import OrderedDict
+import os
+from pathlib import Path
+import sys
+
+
+FORMAT_STR_COMMENT_LINE = '# {comment}'
+FORMAT_STR_SET_ENV_VAR = 'Set-Item -Path "Env:{name}" -Value "{value}"'
+FORMAT_STR_USE_ENV_VAR = '$env:{name}'
+FORMAT_STR_INVOKE_SCRIPT = '_colcon_prefix_powershell_source_script "{script_path}"'
+FORMAT_STR_REMOVE_LEADING_SEPARATOR = ''
+FORMAT_STR_REMOVE_TRAILING_SEPARATOR = ''
+
+DSV_TYPE_APPEND_NON_DUPLICATE = 'append-non-duplicate'
+DSV_TYPE_PREPEND_NON_DUPLICATE = 'prepend-non-duplicate'
+DSV_TYPE_PREPEND_NON_DUPLICATE_IF_EXISTS = 'prepend-non-duplicate-if-exists'
+DSV_TYPE_SET = 'set'
+DSV_TYPE_SET_IF_UNSET = 'set-if-unset'
+DSV_TYPE_SOURCE = 'source'
+
+
+def main(argv=sys.argv[1:]): # noqa: D103
+ parser = argparse.ArgumentParser(
+ description='Output shell commands for the packages in topological '
+ 'order')
+ parser.add_argument(
+ 'primary_extension',
+ help='The file extension of the primary shell')
+ parser.add_argument(
+ 'additional_extension', nargs='?',
+ help='The additional file extension to be considered')
+ parser.add_argument(
+ '--merged-install', action='store_true',
+ help='All install prefixes are merged into a single location')
+ args = parser.parse_args(argv)
+
+ packages = get_packages(Path(__file__).parent, args.merged_install)
+
+ ordered_packages = order_packages(packages)
+ for pkg_name in ordered_packages:
+ if _include_comments():
+ print(
+ FORMAT_STR_COMMENT_LINE.format_map(
+ {'comment': 'Package: ' + pkg_name}))
+ prefix = os.path.abspath(os.path.dirname(__file__))
+ if not args.merged_install:
+ prefix = os.path.join(prefix, pkg_name)
+ for line in get_commands(
+ pkg_name, prefix, args.primary_extension,
+ args.additional_extension
+ ):
+ print(line)
+
+ for line in _remove_ending_separators():
+ print(line)
+
+
+def get_packages(prefix_path, merged_install):
+ """
+ Find packages based on colcon-specific files created during installation.
+
+ :param Path prefix_path: The install prefix path of all packages
+ :param bool merged_install: The flag if the packages are all installed
+ directly in the prefix or if each package is installed in a subdirectory
+ named after the package
+ :returns: A mapping from the package name to the set of runtime
+ dependencies
+ :rtype: dict
+ """
+ packages = {}
+ # since importing colcon_core isn't feasible here the following constant
+ # must match colcon_core.location.get_relative_package_index_path()
+ subdirectory = 'share/colcon-core/packages'
+ if merged_install:
+ # return if workspace is empty
+ if not (prefix_path / subdirectory).is_dir():
+ return packages
+ # find all files in the subdirectory
+ for p in (prefix_path / subdirectory).iterdir():
+ if not p.is_file():
+ continue
+ if p.name.startswith('.'):
+ continue
+ add_package_runtime_dependencies(p, packages)
+ else:
+ # for each subdirectory look for the package specific file
+ for p in prefix_path.iterdir():
+ if not p.is_dir():
+ continue
+ if p.name.startswith('.'):
+ continue
+ p = p / subdirectory / p.name
+ if p.is_file():
+ add_package_runtime_dependencies(p, packages)
+
+ # remove unknown dependencies
+ pkg_names = set(packages.keys())
+ for k in packages.keys():
+ packages[k] = {d for d in packages[k] if d in pkg_names}
+
+ return packages
+
+
+def add_package_runtime_dependencies(path, packages):
+ """
+ Check the path and if it exists extract the packages runtime dependencies.
+
+ :param Path path: The resource file containing the runtime dependencies
+ :param dict packages: A mapping from package names to the sets of runtime
+ dependencies to add to
+ """
+ content = path.read_text()
+ dependencies = set(content.split(os.pathsep) if content else [])
+ packages[path.name] = dependencies
+
+
+def order_packages(packages):
+ """
+ Order packages topologically.
+
+ :param dict packages: A mapping from package name to the set of runtime
+ dependencies
+ :returns: The package names
+ :rtype: list
+ """
+ # select packages with no dependencies in alphabetical order
+ to_be_ordered = list(packages.keys())
+ ordered = []
+ while to_be_ordered:
+ pkg_names_without_deps = [
+ name for name in to_be_ordered if not packages[name]]
+ if not pkg_names_without_deps:
+ reduce_cycle_set(packages)
+ raise RuntimeError(
+ 'Circular dependency between: ' + ', '.join(sorted(packages)))
+ pkg_names_without_deps.sort()
+ pkg_name = pkg_names_without_deps[0]
+ to_be_ordered.remove(pkg_name)
+ ordered.append(pkg_name)
+ # remove item from dependency lists
+ for k in list(packages.keys()):
+ if pkg_name in packages[k]:
+ packages[k].remove(pkg_name)
+ return ordered
+
+
+def reduce_cycle_set(packages):
+ """
+ Reduce the set of packages to the ones part of the circular dependency.
+
+ :param dict packages: A mapping from package name to the set of runtime
+ dependencies which is modified in place
+ """
+ last_depended = None
+ while len(packages) > 0:
+ # get all remaining dependencies
+ depended = set()
+ for pkg_name, dependencies in packages.items():
+ depended = depended.union(dependencies)
+ # remove all packages which are not dependent on
+ for name in list(packages.keys()):
+ if name not in depended:
+ del packages[name]
+ if last_depended:
+ # if remaining packages haven't changed return them
+ if last_depended == depended:
+ return packages.keys()
+ # otherwise reduce again
+ last_depended = depended
+
+
+def _include_comments():
+ # skipping comment lines when COLCON_TRACE is not set speeds up the
+ # processing especially on Windows
+ return bool(os.environ.get('COLCON_TRACE'))
+
+
+def get_commands(pkg_name, prefix, primary_extension, additional_extension):
+ commands = []
+ package_dsv_path = os.path.join(prefix, 'share', pkg_name, 'package.dsv')
+ if os.path.exists(package_dsv_path):
+ commands += process_dsv_file(
+ package_dsv_path, prefix, primary_extension, additional_extension)
+ return commands
+
+
+def process_dsv_file(
+ dsv_path, prefix, primary_extension=None, additional_extension=None
+):
+ commands = []
+ if _include_comments():
+ commands.append(FORMAT_STR_COMMENT_LINE.format_map({'comment': dsv_path}))
+ with open(dsv_path, 'r') as h:
+ content = h.read()
+ lines = content.splitlines()
+
+ basenames = OrderedDict()
+ for i, line in enumerate(lines):
+ # skip over empty or whitespace-only lines
+ if not line.strip():
+ continue
+ # skip over comments
+ if line.startswith('#'):
+ continue
+ try:
+ type_, remainder = line.split(';', 1)
+ except ValueError:
+ raise RuntimeError(
+ "Line %d in '%s' doesn't contain a semicolon separating the "
+ 'type from the arguments' % (i + 1, dsv_path))
+ if type_ != DSV_TYPE_SOURCE:
+ # handle non-source lines
+ try:
+ commands += handle_dsv_types_except_source(
+ type_, remainder, prefix)
+ except RuntimeError as e:
+ raise RuntimeError(
+ "Line %d in '%s' %s" % (i + 1, dsv_path, e)) from e
+ else:
+ # group remaining source lines by basename
+ path_without_ext, ext = os.path.splitext(remainder)
+ if path_without_ext not in basenames:
+ basenames[path_without_ext] = set()
+ assert ext.startswith('.')
+ ext = ext[1:]
+ if ext in (primary_extension, additional_extension):
+ basenames[path_without_ext].add(ext)
+
+ # add the dsv extension to each basename if the file exists
+ for basename, extensions in basenames.items():
+ if not os.path.isabs(basename):
+ basename = os.path.join(prefix, basename)
+ if os.path.exists(basename + '.dsv'):
+ extensions.add('dsv')
+
+ for basename, extensions in basenames.items():
+ if not os.path.isabs(basename):
+ basename = os.path.join(prefix, basename)
+ if 'dsv' in extensions:
+ # process dsv files recursively
+ commands += process_dsv_file(
+ basename + '.dsv', prefix, primary_extension=primary_extension,
+ additional_extension=additional_extension)
+ elif primary_extension in extensions and len(extensions) == 1:
+ # source primary-only files
+ commands += [
+ FORMAT_STR_INVOKE_SCRIPT.format_map({
+ 'prefix': prefix,
+ 'script_path': basename + '.' + primary_extension})]
+ elif additional_extension in extensions:
+ # source non-primary files
+ commands += [
+ FORMAT_STR_INVOKE_SCRIPT.format_map({
+ 'prefix': prefix,
+ 'script_path': basename + '.' + additional_extension})]
+
+ return commands
+
+
+def handle_dsv_types_except_source(type_, remainder, prefix):
+ commands = []
+ if type_ in (DSV_TYPE_SET, DSV_TYPE_SET_IF_UNSET):
+ try:
+ env_name, value = remainder.split(';', 1)
+ except ValueError:
+ raise RuntimeError(
+ "doesn't contain a semicolon separating the environment name "
+ 'from the value')
+ try_prefixed_value = os.path.join(prefix, value) if value else prefix
+ if os.path.exists(try_prefixed_value):
+ value = try_prefixed_value
+ if type_ == DSV_TYPE_SET:
+ commands += _set(env_name, value)
+ elif type_ == DSV_TYPE_SET_IF_UNSET:
+ commands += _set_if_unset(env_name, value)
+ else:
+ assert False
+ elif type_ in (
+ DSV_TYPE_APPEND_NON_DUPLICATE,
+ DSV_TYPE_PREPEND_NON_DUPLICATE,
+ DSV_TYPE_PREPEND_NON_DUPLICATE_IF_EXISTS
+ ):
+ try:
+ env_name_and_values = remainder.split(';')
+ except ValueError:
+ raise RuntimeError(
+ "doesn't contain a semicolon separating the environment name "
+ 'from the values')
+ env_name = env_name_and_values[0]
+ values = env_name_and_values[1:]
+ for value in values:
+ if not value:
+ value = prefix
+ elif not os.path.isabs(value):
+ value = os.path.join(prefix, value)
+ if (
+ type_ == DSV_TYPE_PREPEND_NON_DUPLICATE_IF_EXISTS and
+ not os.path.exists(value)
+ ):
+ comment = f'skip extending {env_name} with not existing ' \
+ f'path: {value}'
+ if _include_comments():
+ commands.append(
+ FORMAT_STR_COMMENT_LINE.format_map({'comment': comment}))
+ elif type_ == DSV_TYPE_APPEND_NON_DUPLICATE:
+ commands += _append_unique_value(env_name, value)
+ else:
+ commands += _prepend_unique_value(env_name, value)
+ else:
+ raise RuntimeError(
+ 'contains an unknown environment hook type: ' + type_)
+ return commands
+
+
+env_state = {}
+
+
+def _append_unique_value(name, value):
+ global env_state
+ if name not in env_state:
+ if os.environ.get(name):
+ env_state[name] = set(os.environ[name].split(os.pathsep))
+ else:
+ env_state[name] = set()
+ # append even if the variable has not been set yet, in case a shell script sets the
+ # same variable without the knowledge of this Python script.
+ # later _remove_ending_separators() will cleanup any unintentional leading separator
+ extend = FORMAT_STR_USE_ENV_VAR.format_map({'name': name}) + os.pathsep
+ line = FORMAT_STR_SET_ENV_VAR.format_map(
+ {'name': name, 'value': extend + value})
+ if value not in env_state[name]:
+ env_state[name].add(value)
+ else:
+ if not _include_comments():
+ return []
+ line = FORMAT_STR_COMMENT_LINE.format_map({'comment': line})
+ return [line]
+
+
+def _prepend_unique_value(name, value):
+ global env_state
+ if name not in env_state:
+ if os.environ.get(name):
+ env_state[name] = set(os.environ[name].split(os.pathsep))
+ else:
+ env_state[name] = set()
+ # prepend even if the variable has not been set yet, in case a shell script sets the
+ # same variable without the knowledge of this Python script.
+ # later _remove_ending_separators() will cleanup any unintentional trailing separator
+ extend = os.pathsep + FORMAT_STR_USE_ENV_VAR.format_map({'name': name})
+ line = FORMAT_STR_SET_ENV_VAR.format_map(
+ {'name': name, 'value': value + extend})
+ if value not in env_state[name]:
+ env_state[name].add(value)
+ else:
+ if not _include_comments():
+ return []
+ line = FORMAT_STR_COMMENT_LINE.format_map({'comment': line})
+ return [line]
+
+
+# generate commands for removing prepended underscores
+def _remove_ending_separators():
+ # do nothing if the shell extension does not implement the logic
+ if FORMAT_STR_REMOVE_TRAILING_SEPARATOR is None:
+ return []
+
+ global env_state
+ commands = []
+ for name in env_state:
+ # skip variables that already had values before this script started prepending
+ if name in os.environ:
+ continue
+ commands += [
+ FORMAT_STR_REMOVE_LEADING_SEPARATOR.format_map({'name': name}),
+ FORMAT_STR_REMOVE_TRAILING_SEPARATOR.format_map({'name': name})]
+ return commands
+
+
+def _set(name, value):
+ global env_state
+ env_state[name] = value
+ line = FORMAT_STR_SET_ENV_VAR.format_map(
+ {'name': name, 'value': value})
+ return [line]
+
+
+def _set_if_unset(name, value):
+ global env_state
+ line = FORMAT_STR_SET_ENV_VAR.format_map(
+ {'name': name, 'value': value})
+ if env_state.get(name, os.environ.get(name)):
+ line = FORMAT_STR_COMMENT_LINE.format_map({'comment': line})
+ return [line]
+
+
+if __name__ == '__main__': # pragma: no cover
+ try:
+ rc = main()
+ except RuntimeError as e:
+ print(str(e), file=sys.stderr)
+ rc = 1
+ sys.exit(rc)
diff --git a/double_inverted/install/_local_setup_util_sh.py b/double_inverted/install/_local_setup_util_sh.py
new file mode 100644
index 0000000..ff31198
--- /dev/null
+++ b/double_inverted/install/_local_setup_util_sh.py
@@ -0,0 +1,407 @@
+# Copyright 2016-2019 Dirk Thomas
+# Licensed under the Apache License, Version 2.0
+
+import argparse
+from collections import OrderedDict
+import os
+from pathlib import Path
+import sys
+
+
+FORMAT_STR_COMMENT_LINE = '# {comment}'
+FORMAT_STR_SET_ENV_VAR = 'export {name}="{value}"'
+FORMAT_STR_USE_ENV_VAR = '${name}'
+FORMAT_STR_INVOKE_SCRIPT = 'COLCON_CURRENT_PREFIX="{prefix}" _colcon_prefix_sh_source_script "{script_path}"'
+FORMAT_STR_REMOVE_LEADING_SEPARATOR = 'if [ "$(echo -n ${name} | head -c 1)" = ":" ]; then export {name}=${{{name}#?}} ; fi'
+FORMAT_STR_REMOVE_TRAILING_SEPARATOR = 'if [ "$(echo -n ${name} | tail -c 1)" = ":" ]; then export {name}=${{{name}%?}} ; fi'
+
+DSV_TYPE_APPEND_NON_DUPLICATE = 'append-non-duplicate'
+DSV_TYPE_PREPEND_NON_DUPLICATE = 'prepend-non-duplicate'
+DSV_TYPE_PREPEND_NON_DUPLICATE_IF_EXISTS = 'prepend-non-duplicate-if-exists'
+DSV_TYPE_SET = 'set'
+DSV_TYPE_SET_IF_UNSET = 'set-if-unset'
+DSV_TYPE_SOURCE = 'source'
+
+
+def main(argv=sys.argv[1:]): # noqa: D103
+ parser = argparse.ArgumentParser(
+ description='Output shell commands for the packages in topological '
+ 'order')
+ parser.add_argument(
+ 'primary_extension',
+ help='The file extension of the primary shell')
+ parser.add_argument(
+ 'additional_extension', nargs='?',
+ help='The additional file extension to be considered')
+ parser.add_argument(
+ '--merged-install', action='store_true',
+ help='All install prefixes are merged into a single location')
+ args = parser.parse_args(argv)
+
+ packages = get_packages(Path(__file__).parent, args.merged_install)
+
+ ordered_packages = order_packages(packages)
+ for pkg_name in ordered_packages:
+ if _include_comments():
+ print(
+ FORMAT_STR_COMMENT_LINE.format_map(
+ {'comment': 'Package: ' + pkg_name}))
+ prefix = os.path.abspath(os.path.dirname(__file__))
+ if not args.merged_install:
+ prefix = os.path.join(prefix, pkg_name)
+ for line in get_commands(
+ pkg_name, prefix, args.primary_extension,
+ args.additional_extension
+ ):
+ print(line)
+
+ for line in _remove_ending_separators():
+ print(line)
+
+
+def get_packages(prefix_path, merged_install):
+ """
+ Find packages based on colcon-specific files created during installation.
+
+ :param Path prefix_path: The install prefix path of all packages
+ :param bool merged_install: The flag if the packages are all installed
+ directly in the prefix or if each package is installed in a subdirectory
+ named after the package
+ :returns: A mapping from the package name to the set of runtime
+ dependencies
+ :rtype: dict
+ """
+ packages = {}
+ # since importing colcon_core isn't feasible here the following constant
+ # must match colcon_core.location.get_relative_package_index_path()
+ subdirectory = 'share/colcon-core/packages'
+ if merged_install:
+ # return if workspace is empty
+ if not (prefix_path / subdirectory).is_dir():
+ return packages
+ # find all files in the subdirectory
+ for p in (prefix_path / subdirectory).iterdir():
+ if not p.is_file():
+ continue
+ if p.name.startswith('.'):
+ continue
+ add_package_runtime_dependencies(p, packages)
+ else:
+ # for each subdirectory look for the package specific file
+ for p in prefix_path.iterdir():
+ if not p.is_dir():
+ continue
+ if p.name.startswith('.'):
+ continue
+ p = p / subdirectory / p.name
+ if p.is_file():
+ add_package_runtime_dependencies(p, packages)
+
+ # remove unknown dependencies
+ pkg_names = set(packages.keys())
+ for k in packages.keys():
+ packages[k] = {d for d in packages[k] if d in pkg_names}
+
+ return packages
+
+
+def add_package_runtime_dependencies(path, packages):
+ """
+ Check the path and if it exists extract the packages runtime dependencies.
+
+ :param Path path: The resource file containing the runtime dependencies
+ :param dict packages: A mapping from package names to the sets of runtime
+ dependencies to add to
+ """
+ content = path.read_text()
+ dependencies = set(content.split(os.pathsep) if content else [])
+ packages[path.name] = dependencies
+
+
+def order_packages(packages):
+ """
+ Order packages topologically.
+
+ :param dict packages: A mapping from package name to the set of runtime
+ dependencies
+ :returns: The package names
+ :rtype: list
+ """
+ # select packages with no dependencies in alphabetical order
+ to_be_ordered = list(packages.keys())
+ ordered = []
+ while to_be_ordered:
+ pkg_names_without_deps = [
+ name for name in to_be_ordered if not packages[name]]
+ if not pkg_names_without_deps:
+ reduce_cycle_set(packages)
+ raise RuntimeError(
+ 'Circular dependency between: ' + ', '.join(sorted(packages)))
+ pkg_names_without_deps.sort()
+ pkg_name = pkg_names_without_deps[0]
+ to_be_ordered.remove(pkg_name)
+ ordered.append(pkg_name)
+ # remove item from dependency lists
+ for k in list(packages.keys()):
+ if pkg_name in packages[k]:
+ packages[k].remove(pkg_name)
+ return ordered
+
+
+def reduce_cycle_set(packages):
+ """
+ Reduce the set of packages to the ones part of the circular dependency.
+
+ :param dict packages: A mapping from package name to the set of runtime
+ dependencies which is modified in place
+ """
+ last_depended = None
+ while len(packages) > 0:
+ # get all remaining dependencies
+ depended = set()
+ for pkg_name, dependencies in packages.items():
+ depended = depended.union(dependencies)
+ # remove all packages which are not dependent on
+ for name in list(packages.keys()):
+ if name not in depended:
+ del packages[name]
+ if last_depended:
+ # if remaining packages haven't changed return them
+ if last_depended == depended:
+ return packages.keys()
+ # otherwise reduce again
+ last_depended = depended
+
+
+def _include_comments():
+ # skipping comment lines when COLCON_TRACE is not set speeds up the
+ # processing especially on Windows
+ return bool(os.environ.get('COLCON_TRACE'))
+
+
+def get_commands(pkg_name, prefix, primary_extension, additional_extension):
+ commands = []
+ package_dsv_path = os.path.join(prefix, 'share', pkg_name, 'package.dsv')
+ if os.path.exists(package_dsv_path):
+ commands += process_dsv_file(
+ package_dsv_path, prefix, primary_extension, additional_extension)
+ return commands
+
+
+def process_dsv_file(
+ dsv_path, prefix, primary_extension=None, additional_extension=None
+):
+ commands = []
+ if _include_comments():
+ commands.append(FORMAT_STR_COMMENT_LINE.format_map({'comment': dsv_path}))
+ with open(dsv_path, 'r') as h:
+ content = h.read()
+ lines = content.splitlines()
+
+ basenames = OrderedDict()
+ for i, line in enumerate(lines):
+ # skip over empty or whitespace-only lines
+ if not line.strip():
+ continue
+ # skip over comments
+ if line.startswith('#'):
+ continue
+ try:
+ type_, remainder = line.split(';', 1)
+ except ValueError:
+ raise RuntimeError(
+ "Line %d in '%s' doesn't contain a semicolon separating the "
+ 'type from the arguments' % (i + 1, dsv_path))
+ if type_ != DSV_TYPE_SOURCE:
+ # handle non-source lines
+ try:
+ commands += handle_dsv_types_except_source(
+ type_, remainder, prefix)
+ except RuntimeError as e:
+ raise RuntimeError(
+ "Line %d in '%s' %s" % (i + 1, dsv_path, e)) from e
+ else:
+ # group remaining source lines by basename
+ path_without_ext, ext = os.path.splitext(remainder)
+ if path_without_ext not in basenames:
+ basenames[path_without_ext] = set()
+ assert ext.startswith('.')
+ ext = ext[1:]
+ if ext in (primary_extension, additional_extension):
+ basenames[path_without_ext].add(ext)
+
+ # add the dsv extension to each basename if the file exists
+ for basename, extensions in basenames.items():
+ if not os.path.isabs(basename):
+ basename = os.path.join(prefix, basename)
+ if os.path.exists(basename + '.dsv'):
+ extensions.add('dsv')
+
+ for basename, extensions in basenames.items():
+ if not os.path.isabs(basename):
+ basename = os.path.join(prefix, basename)
+ if 'dsv' in extensions:
+ # process dsv files recursively
+ commands += process_dsv_file(
+ basename + '.dsv', prefix, primary_extension=primary_extension,
+ additional_extension=additional_extension)
+ elif primary_extension in extensions and len(extensions) == 1:
+ # source primary-only files
+ commands += [
+ FORMAT_STR_INVOKE_SCRIPT.format_map({
+ 'prefix': prefix,
+ 'script_path': basename + '.' + primary_extension})]
+ elif additional_extension in extensions:
+ # source non-primary files
+ commands += [
+ FORMAT_STR_INVOKE_SCRIPT.format_map({
+ 'prefix': prefix,
+ 'script_path': basename + '.' + additional_extension})]
+
+ return commands
+
+
+def handle_dsv_types_except_source(type_, remainder, prefix):
+ commands = []
+ if type_ in (DSV_TYPE_SET, DSV_TYPE_SET_IF_UNSET):
+ try:
+ env_name, value = remainder.split(';', 1)
+ except ValueError:
+ raise RuntimeError(
+ "doesn't contain a semicolon separating the environment name "
+ 'from the value')
+ try_prefixed_value = os.path.join(prefix, value) if value else prefix
+ if os.path.exists(try_prefixed_value):
+ value = try_prefixed_value
+ if type_ == DSV_TYPE_SET:
+ commands += _set(env_name, value)
+ elif type_ == DSV_TYPE_SET_IF_UNSET:
+ commands += _set_if_unset(env_name, value)
+ else:
+ assert False
+ elif type_ in (
+ DSV_TYPE_APPEND_NON_DUPLICATE,
+ DSV_TYPE_PREPEND_NON_DUPLICATE,
+ DSV_TYPE_PREPEND_NON_DUPLICATE_IF_EXISTS
+ ):
+ try:
+ env_name_and_values = remainder.split(';')
+ except ValueError:
+ raise RuntimeError(
+ "doesn't contain a semicolon separating the environment name "
+ 'from the values')
+ env_name = env_name_and_values[0]
+ values = env_name_and_values[1:]
+ for value in values:
+ if not value:
+ value = prefix
+ elif not os.path.isabs(value):
+ value = os.path.join(prefix, value)
+ if (
+ type_ == DSV_TYPE_PREPEND_NON_DUPLICATE_IF_EXISTS and
+ not os.path.exists(value)
+ ):
+ comment = f'skip extending {env_name} with not existing ' \
+ f'path: {value}'
+ if _include_comments():
+ commands.append(
+ FORMAT_STR_COMMENT_LINE.format_map({'comment': comment}))
+ elif type_ == DSV_TYPE_APPEND_NON_DUPLICATE:
+ commands += _append_unique_value(env_name, value)
+ else:
+ commands += _prepend_unique_value(env_name, value)
+ else:
+ raise RuntimeError(
+ 'contains an unknown environment hook type: ' + type_)
+ return commands
+
+
+env_state = {}
+
+
+def _append_unique_value(name, value):
+ global env_state
+ if name not in env_state:
+ if os.environ.get(name):
+ env_state[name] = set(os.environ[name].split(os.pathsep))
+ else:
+ env_state[name] = set()
+ # append even if the variable has not been set yet, in case a shell script sets the
+ # same variable without the knowledge of this Python script.
+ # later _remove_ending_separators() will cleanup any unintentional leading separator
+ extend = FORMAT_STR_USE_ENV_VAR.format_map({'name': name}) + os.pathsep
+ line = FORMAT_STR_SET_ENV_VAR.format_map(
+ {'name': name, 'value': extend + value})
+ if value not in env_state[name]:
+ env_state[name].add(value)
+ else:
+ if not _include_comments():
+ return []
+ line = FORMAT_STR_COMMENT_LINE.format_map({'comment': line})
+ return [line]
+
+
+def _prepend_unique_value(name, value):
+ global env_state
+ if name not in env_state:
+ if os.environ.get(name):
+ env_state[name] = set(os.environ[name].split(os.pathsep))
+ else:
+ env_state[name] = set()
+ # prepend even if the variable has not been set yet, in case a shell script sets the
+ # same variable without the knowledge of this Python script.
+ # later _remove_ending_separators() will cleanup any unintentional trailing separator
+ extend = os.pathsep + FORMAT_STR_USE_ENV_VAR.format_map({'name': name})
+ line = FORMAT_STR_SET_ENV_VAR.format_map(
+ {'name': name, 'value': value + extend})
+ if value not in env_state[name]:
+ env_state[name].add(value)
+ else:
+ if not _include_comments():
+ return []
+ line = FORMAT_STR_COMMENT_LINE.format_map({'comment': line})
+ return [line]
+
+
+# generate commands for removing prepended underscores
+def _remove_ending_separators():
+ # do nothing if the shell extension does not implement the logic
+ if FORMAT_STR_REMOVE_TRAILING_SEPARATOR is None:
+ return []
+
+ global env_state
+ commands = []
+ for name in env_state:
+ # skip variables that already had values before this script started prepending
+ if name in os.environ:
+ continue
+ commands += [
+ FORMAT_STR_REMOVE_LEADING_SEPARATOR.format_map({'name': name}),
+ FORMAT_STR_REMOVE_TRAILING_SEPARATOR.format_map({'name': name})]
+ return commands
+
+
+def _set(name, value):
+ global env_state
+ env_state[name] = value
+ line = FORMAT_STR_SET_ENV_VAR.format_map(
+ {'name': name, 'value': value})
+ return [line]
+
+
+def _set_if_unset(name, value):
+ global env_state
+ line = FORMAT_STR_SET_ENV_VAR.format_map(
+ {'name': name, 'value': value})
+ if env_state.get(name, os.environ.get(name)):
+ line = FORMAT_STR_COMMENT_LINE.format_map({'comment': line})
+ return [line]
+
+
+if __name__ == '__main__': # pragma: no cover
+ try:
+ rc = main()
+ except RuntimeError as e:
+ print(str(e), file=sys.stderr)
+ rc = 1
+ sys.exit(rc)
diff --git a/double_inverted/install/double_inverted/lib/double_inverted/dyanamics b/double_inverted/install/double_inverted/lib/double_inverted/dyanamics
new file mode 100644
index 0000000..7e72561
--- /dev/null
+++ b/double_inverted/install/double_inverted/lib/double_inverted/dyanamics
@@ -0,0 +1,12 @@
+#!/usr/bin/python3
+# EASY-INSTALL-ENTRY-SCRIPT: 'double-inverted==0.0.0','console_scripts','dyanamics'
+__requires__ = 'double-inverted==0.0.0'
+import re
+import sys
+from pkg_resources import load_entry_point
+
+if __name__ == '__main__':
+ sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+ sys.exit(
+ load_entry_point('double-inverted==0.0.0', 'console_scripts', 'dyanamics')()
+ )
diff --git a/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/PKG-INFO b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/PKG-INFO
new file mode 100644
index 0000000..2029d33
--- /dev/null
+++ b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/PKG-INFO
@@ -0,0 +1,10 @@
+Metadata-Version: 1.2
+Name: double-inverted
+Version: 0.0.0
+Summary: TODO: Package description
+Home-page: UNKNOWN
+Maintainer: aryan
+Maintainer-email: aryankay1234@gmail.com
+License: TODO: License declaration
+Description: UNKNOWN
+Platform: UNKNOWN
diff --git a/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/SOURCES.txt b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/SOURCES.txt
new file mode 100644
index 0000000..414b498
--- /dev/null
+++ b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/SOURCES.txt
@@ -0,0 +1,16 @@
+package.xml
+setup.cfg
+setup.py
+build/double_inverted/double_inverted.egg-info/PKG-INFO
+build/double_inverted/double_inverted.egg-info/SOURCES.txt
+build/double_inverted/double_inverted.egg-info/dependency_links.txt
+build/double_inverted/double_inverted.egg-info/entry_points.txt
+build/double_inverted/double_inverted.egg-info/requires.txt
+build/double_inverted/double_inverted.egg-info/top_level.txt
+build/double_inverted/double_inverted.egg-info/zip-safe
+double_inverted/__init__.py
+double_inverted/double_inverted_dyanamics.py
+resource/double_inverted
+test/test_copyright.py
+test/test_flake8.py
+test/test_pep257.py
\ No newline at end of file
diff --git a/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/dependency_links.txt b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/dependency_links.txt
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/dependency_links.txt
@@ -0,0 +1 @@
+
diff --git a/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/entry_points.txt b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/entry_points.txt
new file mode 100644
index 0000000..9a6c5bf
--- /dev/null
+++ b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/entry_points.txt
@@ -0,0 +1,3 @@
+[console_scripts]
+dyanamics = double_inverted.double_inverted_dyanamics:main
+
diff --git a/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/requires.txt b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/requires.txt
new file mode 100644
index 0000000..49fe098
--- /dev/null
+++ b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/requires.txt
@@ -0,0 +1 @@
+setuptools
diff --git a/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/top_level.txt b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/top_level.txt
new file mode 100644
index 0000000..b224df2
--- /dev/null
+++ b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/top_level.txt
@@ -0,0 +1 @@
+double_inverted
diff --git a/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/zip-safe b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/zip-safe
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info/zip-safe
@@ -0,0 +1 @@
+
diff --git a/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__init__.py b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__pycache__/__init__.cpython-38.pyc b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__pycache__/__init__.cpython-38.pyc
new file mode 100644
index 0000000..e376436
Binary files /dev/null and b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__pycache__/__init__.cpython-38.pyc differ
diff --git a/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__pycache__/double_inverted_dyanamics.cpython-38.pyc b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__pycache__/double_inverted_dyanamics.cpython-38.pyc
new file mode 100644
index 0000000..7be8788
Binary files /dev/null and b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__pycache__/double_inverted_dyanamics.cpython-38.pyc differ
diff --git a/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/double_inverted_dyanamics.py b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/double_inverted_dyanamics.py
new file mode 100644
index 0000000..fe00916
--- /dev/null
+++ b/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/double_inverted_dyanamics.py
@@ -0,0 +1,82 @@
+import rclpy
+from rclpy.node import Node
+import numpy as np
+import matplotlib.pyplot as plt
+import matplotlib.animation as animation
+
+class DoubleInvertedPendulumSimulator(Node):
+ def __init__(self):
+ super().__init__("double_inverted_pendulum_simulator")
+
+ # Initialize pendulum parameters
+ self.length1 = 1.0 # Length of the first pendulum
+ self.length2 = 1.0 # Length of the second pendulum
+ self.mass1 = 1.0 # Mass of the first pendulum
+ self.mass2 = 1.0 # Mass of the second pendulum
+ self.gravity = 9.81 # Acceleration due to gravity
+
+ # Initial state [theta1, omega1, theta2, omega2]
+ self.state = np.array([np.pi / 2, 0, np.pi / 2, 0])
+
+ # Time step for the simulation
+ self.dt = 0.01
+
+ # Setup the figure and axis for visualization
+ self.fig, self.ax = plt.subplots()
+ self.line, = self.ax.plot([], [], 'o-', lw=2)
+ self.ax.set_xlim(-2, 2)
+ self.ax.set_ylim(-2, 2)
+ self.ax.grid()
+
+ self.ani = animation.FuncAnimation(self.fig, self.update_plot, interval=50, blit=True)
+ plt.show()
+
+ def equations_of_motion(self, state):
+ theta1, omega1, theta2, omega2 = state
+
+ delta = theta2 - theta1
+
+ denom1 = (self.mass1 + self.mass2) * self.length1 - self.mass2 * self.length1 * np.cos(delta) * np.cos(delta)
+ denom2 = (self.length2 / self.length1) * denom1
+
+ a1 = (self.mass2 * self.length1 * omega1 * omega1 * np.sin(delta) * np.cos(delta) +
+ self.mass2 * self.gravity * np.sin(theta2) * np.cos(delta) +
+ self.mass2 * self.length2 * omega2 * omega2 * np.sin(delta) -
+ (self.mass1 + self.mass2) * self.gravity * np.sin(theta1)) / denom1
+
+ a2 = (- self.mass2 * self.length2 * omega2 * omega2 * np.sin(delta) * np.cos(delta) +
+ (self.mass1 + self.mass2) * self.gravity * np.sin(theta1) * np.cos(delta) -
+ (self.mass1 + self.mass2) * self.length1 * omega1 * omega1 * np.sin(delta) -
+ (self.mass1 + self.mass2) * self.gravity * np.sin(theta2)) / denom2
+
+ return np.array([omega1, a1, omega2, a2])
+
+ def step(self):
+ self.state += self.equations_of_motion(self.state) * self.dt
+
+ def update_plot(self, frame):
+ self.step()
+
+ theta1, _, theta2, _ = self.state
+
+ x1 = self.length1 * np.sin(theta1)
+ y1 = -self.length1 * np.cos(theta1)
+ x2 = x1 + self.length2 * np.sin(theta2)
+ y2 = y1 - self.length2 * np.cos(theta2)
+
+ self.line.set_data([0, x1, x2], [0, y1, y2])
+ return self.line,
+
+def main(args=None):
+ rclpy.init(args=args)
+ node = DoubleInvertedPendulumSimulator()
+ try:
+ rclpy.spin(node)
+ except KeyboardInterrupt:
+ pass
+ finally:
+ node.destroy_node()
+ rclpy.shutdown()
+
+if __name__ == "__main__":
+ main()
diff --git a/double_inverted/install/double_inverted/share/ament_index/resource_index/packages/double_inverted b/double_inverted/install/double_inverted/share/ament_index/resource_index/packages/double_inverted
new file mode 100644
index 0000000..e69de29
diff --git a/double_inverted/install/double_inverted/share/colcon-core/packages/double_inverted b/double_inverted/install/double_inverted/share/colcon-core/packages/double_inverted
new file mode 100644
index 0000000..e69de29
diff --git a/double_inverted/install/double_inverted/share/double_inverted/hook/ament_prefix_path.dsv b/double_inverted/install/double_inverted/share/double_inverted/hook/ament_prefix_path.dsv
new file mode 100644
index 0000000..79d4c95
--- /dev/null
+++ b/double_inverted/install/double_inverted/share/double_inverted/hook/ament_prefix_path.dsv
@@ -0,0 +1 @@
+prepend-non-duplicate;AMENT_PREFIX_PATH;
diff --git a/double_inverted/install/double_inverted/share/double_inverted/hook/ament_prefix_path.ps1 b/double_inverted/install/double_inverted/share/double_inverted/hook/ament_prefix_path.ps1
new file mode 100644
index 0000000..26b9997
--- /dev/null
+++ b/double_inverted/install/double_inverted/share/double_inverted/hook/ament_prefix_path.ps1
@@ -0,0 +1,3 @@
+# generated from colcon_powershell/shell/template/hook_prepend_value.ps1.em
+
+colcon_prepend_unique_value AMENT_PREFIX_PATH "$env:COLCON_CURRENT_PREFIX"
diff --git a/double_inverted/install/double_inverted/share/double_inverted/hook/ament_prefix_path.sh b/double_inverted/install/double_inverted/share/double_inverted/hook/ament_prefix_path.sh
new file mode 100644
index 0000000..f3041f6
--- /dev/null
+++ b/double_inverted/install/double_inverted/share/double_inverted/hook/ament_prefix_path.sh
@@ -0,0 +1,3 @@
+# generated from colcon_core/shell/template/hook_prepend_value.sh.em
+
+_colcon_prepend_unique_value AMENT_PREFIX_PATH "$COLCON_CURRENT_PREFIX"
diff --git a/double_inverted/install/double_inverted/share/double_inverted/hook/pythonpath.dsv b/double_inverted/install/double_inverted/share/double_inverted/hook/pythonpath.dsv
new file mode 100644
index 0000000..84dbc4c
--- /dev/null
+++ b/double_inverted/install/double_inverted/share/double_inverted/hook/pythonpath.dsv
@@ -0,0 +1 @@
+prepend-non-duplicate;PYTHONPATH;lib/python3.8/site-packages
diff --git a/double_inverted/install/double_inverted/share/double_inverted/hook/pythonpath.ps1 b/double_inverted/install/double_inverted/share/double_inverted/hook/pythonpath.ps1
new file mode 100644
index 0000000..12877ef
--- /dev/null
+++ b/double_inverted/install/double_inverted/share/double_inverted/hook/pythonpath.ps1
@@ -0,0 +1,3 @@
+# generated from colcon_powershell/shell/template/hook_prepend_value.ps1.em
+
+colcon_prepend_unique_value PYTHONPATH "$env:COLCON_CURRENT_PREFIX\lib/python3.8/site-packages"
diff --git a/double_inverted/install/double_inverted/share/double_inverted/hook/pythonpath.sh b/double_inverted/install/double_inverted/share/double_inverted/hook/pythonpath.sh
new file mode 100644
index 0000000..ed8efd9
--- /dev/null
+++ b/double_inverted/install/double_inverted/share/double_inverted/hook/pythonpath.sh
@@ -0,0 +1,3 @@
+# generated from colcon_core/shell/template/hook_prepend_value.sh.em
+
+_colcon_prepend_unique_value PYTHONPATH "$COLCON_CURRENT_PREFIX/lib/python3.8/site-packages"
diff --git a/double_inverted/install/double_inverted/share/double_inverted/package.bash b/double_inverted/install/double_inverted/share/double_inverted/package.bash
new file mode 100644
index 0000000..b65fe64
--- /dev/null
+++ b/double_inverted/install/double_inverted/share/double_inverted/package.bash
@@ -0,0 +1,31 @@
+# generated from colcon_bash/shell/template/package.bash.em
+
+# This script extends the environment for this package.
+
+# a bash script is able to determine its own path if necessary
+if [ -z "$COLCON_CURRENT_PREFIX" ]; then
+ # the prefix is two levels up from the package specific share directory
+ _colcon_package_bash_COLCON_CURRENT_PREFIX="$(builtin cd "`dirname "${BASH_SOURCE[0]}"`/../.." > /dev/null && pwd)"
+else
+ _colcon_package_bash_COLCON_CURRENT_PREFIX="$COLCON_CURRENT_PREFIX"
+fi
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+# additional arguments: arguments to the script
+_colcon_package_bash_source_script() {
+ if [ -f "$1" ]; then
+ if [ -n "$COLCON_TRACE" ]; then
+ echo "# . \"$1\""
+ fi
+ . "$@"
+ else
+ echo "not found: \"$1\"" 1>&2
+ fi
+}
+
+# source sh script of this package
+_colcon_package_bash_source_script "$_colcon_package_bash_COLCON_CURRENT_PREFIX/share/double_inverted/package.sh"
+
+unset _colcon_package_bash_source_script
+unset _colcon_package_bash_COLCON_CURRENT_PREFIX
diff --git a/double_inverted/install/double_inverted/share/double_inverted/package.dsv b/double_inverted/install/double_inverted/share/double_inverted/package.dsv
new file mode 100644
index 0000000..93a272c
--- /dev/null
+++ b/double_inverted/install/double_inverted/share/double_inverted/package.dsv
@@ -0,0 +1,6 @@
+source;share/double_inverted/hook/pythonpath.ps1
+source;share/double_inverted/hook/pythonpath.dsv
+source;share/double_inverted/hook/pythonpath.sh
+source;share/double_inverted/hook/ament_prefix_path.ps1
+source;share/double_inverted/hook/ament_prefix_path.dsv
+source;share/double_inverted/hook/ament_prefix_path.sh
diff --git a/double_inverted/install/double_inverted/share/double_inverted/package.ps1 b/double_inverted/install/double_inverted/share/double_inverted/package.ps1
new file mode 100644
index 0000000..f1121fc
--- /dev/null
+++ b/double_inverted/install/double_inverted/share/double_inverted/package.ps1
@@ -0,0 +1,116 @@
+# generated from colcon_powershell/shell/template/package.ps1.em
+
+# function to append a value to a variable
+# which uses colons as separators
+# duplicates as well as leading separators are avoided
+# first argument: the name of the result variable
+# second argument: the value to be prepended
+function colcon_append_unique_value {
+ param (
+ $_listname,
+ $_value
+ )
+
+ # get values from variable
+ if (Test-Path Env:$_listname) {
+ $_values=(Get-Item env:$_listname).Value
+ } else {
+ $_values=""
+ }
+ $_duplicate=""
+ # start with no values
+ $_all_values=""
+ # iterate over existing values in the variable
+ if ($_values) {
+ $_values.Split(";") | ForEach {
+ # not an empty string
+ if ($_) {
+ # not a duplicate of _value
+ if ($_ -eq $_value) {
+ $_duplicate="1"
+ }
+ if ($_all_values) {
+ $_all_values="${_all_values};$_"
+ } else {
+ $_all_values="$_"
+ }
+ }
+ }
+ }
+ # append only non-duplicates
+ if (!$_duplicate) {
+ # avoid leading separator
+ if ($_all_values) {
+ $_all_values="${_all_values};${_value}"
+ } else {
+ $_all_values="${_value}"
+ }
+ }
+
+ # export the updated variable
+ Set-Item env:\$_listname -Value "$_all_values"
+}
+
+# function to prepend a value to a variable
+# which uses colons as separators
+# duplicates as well as trailing separators are avoided
+# first argument: the name of the result variable
+# second argument: the value to be prepended
+function colcon_prepend_unique_value {
+ param (
+ $_listname,
+ $_value
+ )
+
+ # get values from variable
+ if (Test-Path Env:$_listname) {
+ $_values=(Get-Item env:$_listname).Value
+ } else {
+ $_values=""
+ }
+ # start with the new value
+ $_all_values="$_value"
+ # iterate over existing values in the variable
+ if ($_values) {
+ $_values.Split(";") | ForEach {
+ # not an empty string
+ if ($_) {
+ # not a duplicate of _value
+ if ($_ -ne $_value) {
+ # keep non-duplicate values
+ $_all_values="${_all_values};$_"
+ }
+ }
+ }
+ }
+ # export the updated variable
+ Set-Item env:\$_listname -Value "$_all_values"
+}
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+# additional arguments: arguments to the script
+function colcon_package_source_powershell_script {
+ param (
+ $_colcon_package_source_powershell_script
+ )
+ # source script with conditional trace output
+ if (Test-Path $_colcon_package_source_powershell_script) {
+ if ($env:COLCON_TRACE) {
+ echo ". '$_colcon_package_source_powershell_script'"
+ }
+ . "$_colcon_package_source_powershell_script"
+ } else {
+ Write-Error "not found: '$_colcon_package_source_powershell_script'"
+ }
+}
+
+
+# a powershell script is able to determine its own path
+# the prefix is two levels up from the package specific share directory
+$env:COLCON_CURRENT_PREFIX=(Get-Item $PSCommandPath).Directory.Parent.Parent.FullName
+
+colcon_package_source_powershell_script "$env:COLCON_CURRENT_PREFIX\share/double_inverted/hook/pythonpath.ps1"
+colcon_package_source_powershell_script "$env:COLCON_CURRENT_PREFIX\share/double_inverted/hook/ament_prefix_path.ps1"
+
+Remove-Item Env:\COLCON_CURRENT_PREFIX
diff --git a/double_inverted/install/double_inverted/share/double_inverted/package.sh b/double_inverted/install/double_inverted/share/double_inverted/package.sh
new file mode 100644
index 0000000..e157970
--- /dev/null
+++ b/double_inverted/install/double_inverted/share/double_inverted/package.sh
@@ -0,0 +1,87 @@
+# generated from colcon_core/shell/template/package.sh.em
+
+# This script extends the environment for this package.
+
+# function to prepend a value to a variable
+# which uses colons as separators
+# duplicates as well as trailing separators are avoided
+# first argument: the name of the result variable
+# second argument: the value to be prepended
+_colcon_prepend_unique_value() {
+ # arguments
+ _listname="$1"
+ _value="$2"
+
+ # get values from variable
+ eval _values=\"\$$_listname\"
+ # backup the field separator
+ _colcon_prepend_unique_value_IFS=$IFS
+ IFS=":"
+ # start with the new value
+ _all_values="$_value"
+ # workaround SH_WORD_SPLIT not being set in zsh
+ if [ "$(command -v colcon_zsh_convert_to_array)" ]; then
+ colcon_zsh_convert_to_array _values
+ fi
+ # iterate over existing values in the variable
+ for _item in $_values; do
+ # ignore empty strings
+ if [ -z "$_item" ]; then
+ continue
+ fi
+ # ignore duplicates of _value
+ if [ "$_item" = "$_value" ]; then
+ continue
+ fi
+ # keep non-duplicate values
+ _all_values="$_all_values:$_item"
+ done
+ unset _item
+ # restore the field separator
+ IFS=$_colcon_prepend_unique_value_IFS
+ unset _colcon_prepend_unique_value_IFS
+ # export the updated variable
+ eval export $_listname=\"$_all_values\"
+ unset _all_values
+ unset _values
+
+ unset _value
+ unset _listname
+}
+
+# since a plain shell script can't determine its own path when being sourced
+# either use the provided COLCON_CURRENT_PREFIX
+# or fall back to the build time prefix (if it exists)
+_colcon_package_sh_COLCON_CURRENT_PREFIX="/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted"
+if [ -z "$COLCON_CURRENT_PREFIX" ]; then
+ if [ ! -d "$_colcon_package_sh_COLCON_CURRENT_PREFIX" ]; then
+ echo "The build time path \"$_colcon_package_sh_COLCON_CURRENT_PREFIX\" doesn't exist. Either source a script for a different shell or set the environment variable \"COLCON_CURRENT_PREFIX\" explicitly." 1>&2
+ unset _colcon_package_sh_COLCON_CURRENT_PREFIX
+ return 1
+ fi
+ COLCON_CURRENT_PREFIX="$_colcon_package_sh_COLCON_CURRENT_PREFIX"
+fi
+unset _colcon_package_sh_COLCON_CURRENT_PREFIX
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+# additional arguments: arguments to the script
+_colcon_package_sh_source_script() {
+ if [ -f "$1" ]; then
+ if [ -n "$COLCON_TRACE" ]; then
+ echo "# . \"$1\""
+ fi
+ . "$@"
+ else
+ echo "not found: \"$1\"" 1>&2
+ fi
+}
+
+# source sh hooks
+_colcon_package_sh_source_script "$COLCON_CURRENT_PREFIX/share/double_inverted/hook/pythonpath.sh"
+_colcon_package_sh_source_script "$COLCON_CURRENT_PREFIX/share/double_inverted/hook/ament_prefix_path.sh"
+
+unset _colcon_package_sh_source_script
+unset COLCON_CURRENT_PREFIX
+
+# do not unset _colcon_prepend_unique_value since it might be used by non-primary shell hooks
diff --git a/double_inverted/install/double_inverted/share/double_inverted/package.xml b/double_inverted/install/double_inverted/share/double_inverted/package.xml
new file mode 100644
index 0000000..d449295
--- /dev/null
+++ b/double_inverted/install/double_inverted/share/double_inverted/package.xml
@@ -0,0 +1,18 @@
+
+
+
+ double_inverted
+ 0.0.0
+ TODO: Package description
+ aryan
+ TODO: License declaration
+
+ ament_copyright
+ ament_flake8
+ ament_pep257
+ python3-pytest
+
+
+ ament_python
+
+
diff --git a/double_inverted/install/double_inverted/share/double_inverted/package.zsh b/double_inverted/install/double_inverted/share/double_inverted/package.zsh
new file mode 100644
index 0000000..ac54d6c
--- /dev/null
+++ b/double_inverted/install/double_inverted/share/double_inverted/package.zsh
@@ -0,0 +1,42 @@
+# generated from colcon_zsh/shell/template/package.zsh.em
+
+# This script extends the environment for this package.
+
+# a zsh script is able to determine its own path if necessary
+if [ -z "$COLCON_CURRENT_PREFIX" ]; then
+ # the prefix is two levels up from the package specific share directory
+ _colcon_package_zsh_COLCON_CURRENT_PREFIX="$(builtin cd -q "`dirname "${(%):-%N}"`/../.." > /dev/null && pwd)"
+else
+ _colcon_package_zsh_COLCON_CURRENT_PREFIX="$COLCON_CURRENT_PREFIX"
+fi
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+# additional arguments: arguments to the script
+_colcon_package_zsh_source_script() {
+ if [ -f "$1" ]; then
+ if [ -n "$COLCON_TRACE" ]; then
+ echo "# . \"$1\""
+ fi
+ . "$@"
+ else
+ echo "not found: \"$1\"" 1>&2
+ fi
+}
+
+# function to convert array-like strings into arrays
+# to workaround SH_WORD_SPLIT not being set
+colcon_zsh_convert_to_array() {
+ local _listname=$1
+ local _dollar="$"
+ local _split="{="
+ local _to_array="(\"$_dollar$_split$_listname}\")"
+ eval $_listname=$_to_array
+}
+
+# source sh script of this package
+_colcon_package_zsh_source_script "$_colcon_package_zsh_COLCON_CURRENT_PREFIX/share/double_inverted/package.sh"
+unset convert_zsh_to_array
+
+unset _colcon_package_zsh_source_script
+unset _colcon_package_zsh_COLCON_CURRENT_PREFIX
diff --git a/double_inverted/install/local_setup.bash b/double_inverted/install/local_setup.bash
new file mode 100644
index 0000000..03f0025
--- /dev/null
+++ b/double_inverted/install/local_setup.bash
@@ -0,0 +1,121 @@
+# generated from colcon_bash/shell/template/prefix.bash.em
+
+# This script extends the environment with all packages contained in this
+# prefix path.
+
+# a bash script is able to determine its own path if necessary
+if [ -z "$COLCON_CURRENT_PREFIX" ]; then
+ _colcon_prefix_bash_COLCON_CURRENT_PREFIX="$(builtin cd "`dirname "${BASH_SOURCE[0]}"`" > /dev/null && pwd)"
+else
+ _colcon_prefix_bash_COLCON_CURRENT_PREFIX="$COLCON_CURRENT_PREFIX"
+fi
+
+# function to prepend a value to a variable
+# which uses colons as separators
+# duplicates as well as trailing separators are avoided
+# first argument: the name of the result variable
+# second argument: the value to be prepended
+_colcon_prefix_bash_prepend_unique_value() {
+ # arguments
+ _listname="$1"
+ _value="$2"
+
+ # get values from variable
+ eval _values=\"\$$_listname\"
+ # backup the field separator
+ _colcon_prefix_bash_prepend_unique_value_IFS="$IFS"
+ IFS=":"
+ # start with the new value
+ _all_values="$_value"
+ _contained_value=""
+ # iterate over existing values in the variable
+ for _item in $_values; do
+ # ignore empty strings
+ if [ -z "$_item" ]; then
+ continue
+ fi
+ # ignore duplicates of _value
+ if [ "$_item" = "$_value" ]; then
+ _contained_value=1
+ continue
+ fi
+ # keep non-duplicate values
+ _all_values="$_all_values:$_item"
+ done
+ unset _item
+ if [ -z "$_contained_value" ]; then
+ if [ -n "$COLCON_TRACE" ]; then
+ if [ "$_all_values" = "$_value" ]; then
+ echo "export $_listname=$_value"
+ else
+ echo "export $_listname=$_value:\$$_listname"
+ fi
+ fi
+ fi
+ unset _contained_value
+ # restore the field separator
+ IFS="$_colcon_prefix_bash_prepend_unique_value_IFS"
+ unset _colcon_prefix_bash_prepend_unique_value_IFS
+ # export the updated variable
+ eval export $_listname=\"$_all_values\"
+ unset _all_values
+ unset _values
+
+ unset _value
+ unset _listname
+}
+
+# add this prefix to the COLCON_PREFIX_PATH
+_colcon_prefix_bash_prepend_unique_value COLCON_PREFIX_PATH "$_colcon_prefix_bash_COLCON_CURRENT_PREFIX"
+unset _colcon_prefix_bash_prepend_unique_value
+
+# check environment variable for custom Python executable
+if [ -n "$COLCON_PYTHON_EXECUTABLE" ]; then
+ if [ ! -f "$COLCON_PYTHON_EXECUTABLE" ]; then
+ echo "error: COLCON_PYTHON_EXECUTABLE '$COLCON_PYTHON_EXECUTABLE' doesn't exist"
+ return 1
+ fi
+ _colcon_python_executable="$COLCON_PYTHON_EXECUTABLE"
+else
+ # try the Python executable known at configure time
+ _colcon_python_executable="/usr/bin/python3"
+ # if it doesn't exist try a fall back
+ if [ ! -f "$_colcon_python_executable" ]; then
+ if ! /usr/bin/env python3 --version > /dev/null 2> /dev/null; then
+ echo "error: unable to find python3 executable"
+ return 1
+ fi
+ _colcon_python_executable=`/usr/bin/env python3 -c "import sys; print(sys.executable)"`
+ fi
+fi
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+_colcon_prefix_sh_source_script() {
+ if [ -f "$1" ]; then
+ if [ -n "$COLCON_TRACE" ]; then
+ echo "# . \"$1\""
+ fi
+ . "$1"
+ else
+ echo "not found: \"$1\"" 1>&2
+ fi
+}
+
+# get all commands in topological order
+_colcon_ordered_commands="$($_colcon_python_executable "$_colcon_prefix_bash_COLCON_CURRENT_PREFIX/_local_setup_util_sh.py" sh bash)"
+unset _colcon_python_executable
+if [ -n "$COLCON_TRACE" ]; then
+ echo "$(declare -f _colcon_prefix_sh_source_script)"
+ echo "# Execute generated script:"
+ echo "# <<<"
+ echo "${_colcon_ordered_commands}"
+ echo "# >>>"
+ echo "unset _colcon_prefix_sh_source_script"
+fi
+eval "${_colcon_ordered_commands}"
+unset _colcon_ordered_commands
+
+unset _colcon_prefix_sh_source_script
+
+unset _colcon_prefix_bash_COLCON_CURRENT_PREFIX
diff --git a/double_inverted/install/local_setup.ps1 b/double_inverted/install/local_setup.ps1
new file mode 100644
index 0000000..6f68c8d
--- /dev/null
+++ b/double_inverted/install/local_setup.ps1
@@ -0,0 +1,55 @@
+# generated from colcon_powershell/shell/template/prefix.ps1.em
+
+# This script extends the environment with all packages contained in this
+# prefix path.
+
+# check environment variable for custom Python executable
+if ($env:COLCON_PYTHON_EXECUTABLE) {
+ if (!(Test-Path "$env:COLCON_PYTHON_EXECUTABLE" -PathType Leaf)) {
+ echo "error: COLCON_PYTHON_EXECUTABLE '$env:COLCON_PYTHON_EXECUTABLE' doesn't exist"
+ exit 1
+ }
+ $_colcon_python_executable="$env:COLCON_PYTHON_EXECUTABLE"
+} else {
+ # use the Python executable known at configure time
+ $_colcon_python_executable="/usr/bin/python3"
+ # if it doesn't exist try a fall back
+ if (!(Test-Path "$_colcon_python_executable" -PathType Leaf)) {
+ if (!(Get-Command "python3" -ErrorAction SilentlyContinue)) {
+ echo "error: unable to find python3 executable"
+ exit 1
+ }
+ $_colcon_python_executable="python3"
+ }
+}
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+function _colcon_prefix_powershell_source_script {
+ param (
+ $_colcon_prefix_powershell_source_script_param
+ )
+ # source script with conditional trace output
+ if (Test-Path $_colcon_prefix_powershell_source_script_param) {
+ if ($env:COLCON_TRACE) {
+ echo ". '$_colcon_prefix_powershell_source_script_param'"
+ }
+ . "$_colcon_prefix_powershell_source_script_param"
+ } else {
+ Write-Error "not found: '$_colcon_prefix_powershell_source_script_param'"
+ }
+}
+
+# get all commands in topological order
+$_colcon_ordered_commands = & "$_colcon_python_executable" "$(Split-Path $PSCommandPath -Parent)/_local_setup_util_ps1.py" ps1
+
+# execute all commands in topological order
+if ($env:COLCON_TRACE) {
+ echo "Execute generated script:"
+ echo "<<<"
+ $_colcon_ordered_commands.Split([Environment]::NewLine, [StringSplitOptions]::RemoveEmptyEntries) | Write-Output
+ echo ">>>"
+}
+if ($_colcon_ordered_commands) {
+ $_colcon_ordered_commands.Split([Environment]::NewLine, [StringSplitOptions]::RemoveEmptyEntries) | Invoke-Expression
+}
diff --git a/double_inverted/install/local_setup.sh b/double_inverted/install/local_setup.sh
new file mode 100644
index 0000000..6251240
--- /dev/null
+++ b/double_inverted/install/local_setup.sh
@@ -0,0 +1,137 @@
+# generated from colcon_core/shell/template/prefix.sh.em
+
+# This script extends the environment with all packages contained in this
+# prefix path.
+
+# since a plain shell script can't determine its own path when being sourced
+# either use the provided COLCON_CURRENT_PREFIX
+# or fall back to the build time prefix (if it exists)
+_colcon_prefix_sh_COLCON_CURRENT_PREFIX="/home/aryan/Inverted-pendulum-problems/double_inverted/install"
+if [ -z "$COLCON_CURRENT_PREFIX" ]; then
+ if [ ! -d "$_colcon_prefix_sh_COLCON_CURRENT_PREFIX" ]; then
+ echo "The build time path \"$_colcon_prefix_sh_COLCON_CURRENT_PREFIX\" doesn't exist. Either source a script for a different shell or set the environment variable \"COLCON_CURRENT_PREFIX\" explicitly." 1>&2
+ unset _colcon_prefix_sh_COLCON_CURRENT_PREFIX
+ return 1
+ fi
+else
+ _colcon_prefix_sh_COLCON_CURRENT_PREFIX="$COLCON_CURRENT_PREFIX"
+fi
+
+# function to prepend a value to a variable
+# which uses colons as separators
+# duplicates as well as trailing separators are avoided
+# first argument: the name of the result variable
+# second argument: the value to be prepended
+_colcon_prefix_sh_prepend_unique_value() {
+ # arguments
+ _listname="$1"
+ _value="$2"
+
+ # get values from variable
+ eval _values=\"\$$_listname\"
+ # backup the field separator
+ _colcon_prefix_sh_prepend_unique_value_IFS="$IFS"
+ IFS=":"
+ # start with the new value
+ _all_values="$_value"
+ _contained_value=""
+ # iterate over existing values in the variable
+ for _item in $_values; do
+ # ignore empty strings
+ if [ -z "$_item" ]; then
+ continue
+ fi
+ # ignore duplicates of _value
+ if [ "$_item" = "$_value" ]; then
+ _contained_value=1
+ continue
+ fi
+ # keep non-duplicate values
+ _all_values="$_all_values:$_item"
+ done
+ unset _item
+ if [ -z "$_contained_value" ]; then
+ if [ -n "$COLCON_TRACE" ]; then
+ if [ "$_all_values" = "$_value" ]; then
+ echo "export $_listname=$_value"
+ else
+ echo "export $_listname=$_value:\$$_listname"
+ fi
+ fi
+ fi
+ unset _contained_value
+ # restore the field separator
+ IFS="$_colcon_prefix_sh_prepend_unique_value_IFS"
+ unset _colcon_prefix_sh_prepend_unique_value_IFS
+ # export the updated variable
+ eval export $_listname=\"$_all_values\"
+ unset _all_values
+ unset _values
+
+ unset _value
+ unset _listname
+}
+
+# add this prefix to the COLCON_PREFIX_PATH
+_colcon_prefix_sh_prepend_unique_value COLCON_PREFIX_PATH "$_colcon_prefix_sh_COLCON_CURRENT_PREFIX"
+unset _colcon_prefix_sh_prepend_unique_value
+
+# check environment variable for custom Python executable
+if [ -n "$COLCON_PYTHON_EXECUTABLE" ]; then
+ if [ ! -f "$COLCON_PYTHON_EXECUTABLE" ]; then
+ echo "error: COLCON_PYTHON_EXECUTABLE '$COLCON_PYTHON_EXECUTABLE' doesn't exist"
+ return 1
+ fi
+ _colcon_python_executable="$COLCON_PYTHON_EXECUTABLE"
+else
+ # try the Python executable known at configure time
+ _colcon_python_executable="/usr/bin/python3"
+ # if it doesn't exist try a fall back
+ if [ ! -f "$_colcon_python_executable" ]; then
+ if ! /usr/bin/env python3 --version > /dev/null 2> /dev/null; then
+ echo "error: unable to find python3 executable"
+ return 1
+ fi
+ _colcon_python_executable=`/usr/bin/env python3 -c "import sys; print(sys.executable)"`
+ fi
+fi
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+_colcon_prefix_sh_source_script() {
+ if [ -f "$1" ]; then
+ if [ -n "$COLCON_TRACE" ]; then
+ echo "# . \"$1\""
+ fi
+ . "$1"
+ else
+ echo "not found: \"$1\"" 1>&2
+ fi
+}
+
+# get all commands in topological order
+_colcon_ordered_commands="$($_colcon_python_executable "$_colcon_prefix_sh_COLCON_CURRENT_PREFIX/_local_setup_util_sh.py" sh)"
+unset _colcon_python_executable
+if [ -n "$COLCON_TRACE" ]; then
+ echo "_colcon_prefix_sh_source_script() {
+ if [ -f \"\$1\" ]; then
+ if [ -n \"\$COLCON_TRACE\" ]; then
+ echo \"# . \\\"\$1\\\"\"
+ fi
+ . \"\$1\"
+ else
+ echo \"not found: \\\"\$1\\\"\" 1>&2
+ fi
+ }"
+ echo "# Execute generated script:"
+ echo "# <<<"
+ echo "${_colcon_ordered_commands}"
+ echo "# >>>"
+ echo "unset _colcon_prefix_sh_source_script"
+fi
+eval "${_colcon_ordered_commands}"
+unset _colcon_ordered_commands
+
+unset _colcon_prefix_sh_source_script
+
+unset _colcon_prefix_sh_COLCON_CURRENT_PREFIX
diff --git a/double_inverted/install/local_setup.zsh b/double_inverted/install/local_setup.zsh
new file mode 100644
index 0000000..b648710
--- /dev/null
+++ b/double_inverted/install/local_setup.zsh
@@ -0,0 +1,134 @@
+# generated from colcon_zsh/shell/template/prefix.zsh.em
+
+# This script extends the environment with all packages contained in this
+# prefix path.
+
+# a zsh script is able to determine its own path if necessary
+if [ -z "$COLCON_CURRENT_PREFIX" ]; then
+ _colcon_prefix_zsh_COLCON_CURRENT_PREFIX="$(builtin cd -q "`dirname "${(%):-%N}"`" > /dev/null && pwd)"
+else
+ _colcon_prefix_zsh_COLCON_CURRENT_PREFIX="$COLCON_CURRENT_PREFIX"
+fi
+
+# function to convert array-like strings into arrays
+# to workaround SH_WORD_SPLIT not being set
+_colcon_prefix_zsh_convert_to_array() {
+ local _listname=$1
+ local _dollar="$"
+ local _split="{="
+ local _to_array="(\"$_dollar$_split$_listname}\")"
+ eval $_listname=$_to_array
+}
+
+# function to prepend a value to a variable
+# which uses colons as separators
+# duplicates as well as trailing separators are avoided
+# first argument: the name of the result variable
+# second argument: the value to be prepended
+_colcon_prefix_zsh_prepend_unique_value() {
+ # arguments
+ _listname="$1"
+ _value="$2"
+
+ # get values from variable
+ eval _values=\"\$$_listname\"
+ # backup the field separator
+ _colcon_prefix_zsh_prepend_unique_value_IFS="$IFS"
+ IFS=":"
+ # start with the new value
+ _all_values="$_value"
+ _contained_value=""
+ # workaround SH_WORD_SPLIT not being set
+ _colcon_prefix_zsh_convert_to_array _values
+ # iterate over existing values in the variable
+ for _item in $_values; do
+ # ignore empty strings
+ if [ -z "$_item" ]; then
+ continue
+ fi
+ # ignore duplicates of _value
+ if [ "$_item" = "$_value" ]; then
+ _contained_value=1
+ continue
+ fi
+ # keep non-duplicate values
+ _all_values="$_all_values:$_item"
+ done
+ unset _item
+ if [ -z "$_contained_value" ]; then
+ if [ -n "$COLCON_TRACE" ]; then
+ if [ "$_all_values" = "$_value" ]; then
+ echo "export $_listname=$_value"
+ else
+ echo "export $_listname=$_value:\$$_listname"
+ fi
+ fi
+ fi
+ unset _contained_value
+ # restore the field separator
+ IFS="$_colcon_prefix_zsh_prepend_unique_value_IFS"
+ unset _colcon_prefix_zsh_prepend_unique_value_IFS
+ # export the updated variable
+ eval export $_listname=\"$_all_values\"
+ unset _all_values
+ unset _values
+
+ unset _value
+ unset _listname
+}
+
+# add this prefix to the COLCON_PREFIX_PATH
+_colcon_prefix_zsh_prepend_unique_value COLCON_PREFIX_PATH "$_colcon_prefix_zsh_COLCON_CURRENT_PREFIX"
+unset _colcon_prefix_zsh_prepend_unique_value
+unset _colcon_prefix_zsh_convert_to_array
+
+# check environment variable for custom Python executable
+if [ -n "$COLCON_PYTHON_EXECUTABLE" ]; then
+ if [ ! -f "$COLCON_PYTHON_EXECUTABLE" ]; then
+ echo "error: COLCON_PYTHON_EXECUTABLE '$COLCON_PYTHON_EXECUTABLE' doesn't exist"
+ return 1
+ fi
+ _colcon_python_executable="$COLCON_PYTHON_EXECUTABLE"
+else
+ # try the Python executable known at configure time
+ _colcon_python_executable="/usr/bin/python3"
+ # if it doesn't exist try a fall back
+ if [ ! -f "$_colcon_python_executable" ]; then
+ if ! /usr/bin/env python3 --version > /dev/null 2> /dev/null; then
+ echo "error: unable to find python3 executable"
+ return 1
+ fi
+ _colcon_python_executable=`/usr/bin/env python3 -c "import sys; print(sys.executable)"`
+ fi
+fi
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+_colcon_prefix_sh_source_script() {
+ if [ -f "$1" ]; then
+ if [ -n "$COLCON_TRACE" ]; then
+ echo "# . \"$1\""
+ fi
+ . "$1"
+ else
+ echo "not found: \"$1\"" 1>&2
+ fi
+}
+
+# get all commands in topological order
+_colcon_ordered_commands="$($_colcon_python_executable "$_colcon_prefix_zsh_COLCON_CURRENT_PREFIX/_local_setup_util_sh.py" sh zsh)"
+unset _colcon_python_executable
+if [ -n "$COLCON_TRACE" ]; then
+ echo "$(declare -f _colcon_prefix_sh_source_script)"
+ echo "# Execute generated script:"
+ echo "# <<<"
+ echo "${_colcon_ordered_commands}"
+ echo "# >>>"
+ echo "unset _colcon_prefix_sh_source_script"
+fi
+eval "${_colcon_ordered_commands}"
+unset _colcon_ordered_commands
+
+unset _colcon_prefix_sh_source_script
+
+unset _colcon_prefix_zsh_COLCON_CURRENT_PREFIX
diff --git a/double_inverted/install/setup.bash b/double_inverted/install/setup.bash
new file mode 100644
index 0000000..85a3fd5
--- /dev/null
+++ b/double_inverted/install/setup.bash
@@ -0,0 +1,31 @@
+# generated from colcon_bash/shell/template/prefix_chain.bash.em
+
+# This script extends the environment with the environment of other prefix
+# paths which were sourced when this file was generated as well as all packages
+# contained in this prefix path.
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+_colcon_prefix_chain_bash_source_script() {
+ if [ -f "$1" ]; then
+ if [ -n "$COLCON_TRACE" ]; then
+ echo "# . \"$1\""
+ fi
+ . "$1"
+ else
+ echo "not found: \"$1\"" 1>&2
+ fi
+}
+
+# source chained prefixes
+# setting COLCON_CURRENT_PREFIX avoids determining the prefix in the sourced script
+COLCON_CURRENT_PREFIX="/opt/ros/galactic"
+_colcon_prefix_chain_bash_source_script "$COLCON_CURRENT_PREFIX/local_setup.bash"
+
+# source this prefix
+# setting COLCON_CURRENT_PREFIX avoids determining the prefix in the sourced script
+COLCON_CURRENT_PREFIX="$(builtin cd "`dirname "${BASH_SOURCE[0]}"`" > /dev/null && pwd)"
+_colcon_prefix_chain_bash_source_script "$COLCON_CURRENT_PREFIX/local_setup.bash"
+
+unset COLCON_CURRENT_PREFIX
+unset _colcon_prefix_chain_bash_source_script
diff --git a/double_inverted/install/setup.ps1 b/double_inverted/install/setup.ps1
new file mode 100644
index 0000000..538f397
--- /dev/null
+++ b/double_inverted/install/setup.ps1
@@ -0,0 +1,29 @@
+# generated from colcon_powershell/shell/template/prefix_chain.ps1.em
+
+# This script extends the environment with the environment of other prefix
+# paths which were sourced when this file was generated as well as all packages
+# contained in this prefix path.
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+function _colcon_prefix_chain_powershell_source_script {
+ param (
+ $_colcon_prefix_chain_powershell_source_script_param
+ )
+ # source script with conditional trace output
+ if (Test-Path $_colcon_prefix_chain_powershell_source_script_param) {
+ if ($env:COLCON_TRACE) {
+ echo ". '$_colcon_prefix_chain_powershell_source_script_param'"
+ }
+ . "$_colcon_prefix_chain_powershell_source_script_param"
+ } else {
+ Write-Error "not found: '$_colcon_prefix_chain_powershell_source_script_param'"
+ }
+}
+
+# source chained prefixes
+_colcon_prefix_chain_powershell_source_script "/opt/ros/galactic\local_setup.ps1"
+
+# source this prefix
+$env:COLCON_CURRENT_PREFIX=(Split-Path $PSCommandPath -Parent)
+_colcon_prefix_chain_powershell_source_script "$env:COLCON_CURRENT_PREFIX\local_setup.ps1"
diff --git a/double_inverted/install/setup.sh b/double_inverted/install/setup.sh
new file mode 100644
index 0000000..14f404b
--- /dev/null
+++ b/double_inverted/install/setup.sh
@@ -0,0 +1,45 @@
+# generated from colcon_core/shell/template/prefix_chain.sh.em
+
+# This script extends the environment with the environment of other prefix
+# paths which were sourced when this file was generated as well as all packages
+# contained in this prefix path.
+
+# since a plain shell script can't determine its own path when being sourced
+# either use the provided COLCON_CURRENT_PREFIX
+# or fall back to the build time prefix (if it exists)
+_colcon_prefix_chain_sh_COLCON_CURRENT_PREFIX=/home/aryan/Inverted-pendulum-problems/double_inverted/install
+if [ ! -z "$COLCON_CURRENT_PREFIX" ]; then
+ _colcon_prefix_chain_sh_COLCON_CURRENT_PREFIX="$COLCON_CURRENT_PREFIX"
+elif [ ! -d "$_colcon_prefix_chain_sh_COLCON_CURRENT_PREFIX" ]; then
+ echo "The build time path \"$_colcon_prefix_chain_sh_COLCON_CURRENT_PREFIX\" doesn't exist. Either source a script for a different shell or set the environment variable \"COLCON_CURRENT_PREFIX\" explicitly." 1>&2
+ unset _colcon_prefix_chain_sh_COLCON_CURRENT_PREFIX
+ return 1
+fi
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+_colcon_prefix_chain_sh_source_script() {
+ if [ -f "$1" ]; then
+ if [ -n "$COLCON_TRACE" ]; then
+ echo "# . \"$1\""
+ fi
+ . "$1"
+ else
+ echo "not found: \"$1\"" 1>&2
+ fi
+}
+
+# source chained prefixes
+# setting COLCON_CURRENT_PREFIX avoids relying on the build time prefix of the sourced script
+COLCON_CURRENT_PREFIX="/opt/ros/galactic"
+_colcon_prefix_chain_sh_source_script "$COLCON_CURRENT_PREFIX/local_setup.sh"
+
+
+# source this prefix
+# setting COLCON_CURRENT_PREFIX avoids relying on the build time prefix of the sourced script
+COLCON_CURRENT_PREFIX="$_colcon_prefix_chain_sh_COLCON_CURRENT_PREFIX"
+_colcon_prefix_chain_sh_source_script "$COLCON_CURRENT_PREFIX/local_setup.sh"
+
+unset _colcon_prefix_chain_sh_COLCON_CURRENT_PREFIX
+unset _colcon_prefix_chain_sh_source_script
+unset COLCON_CURRENT_PREFIX
diff --git a/double_inverted/install/setup.zsh b/double_inverted/install/setup.zsh
new file mode 100644
index 0000000..4122da9
--- /dev/null
+++ b/double_inverted/install/setup.zsh
@@ -0,0 +1,31 @@
+# generated from colcon_zsh/shell/template/prefix_chain.zsh.em
+
+# This script extends the environment with the environment of other prefix
+# paths which were sourced when this file was generated as well as all packages
+# contained in this prefix path.
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+_colcon_prefix_chain_zsh_source_script() {
+ if [ -f "$1" ]; then
+ if [ -n "$COLCON_TRACE" ]; then
+ echo "# . \"$1\""
+ fi
+ . "$1"
+ else
+ echo "not found: \"$1\"" 1>&2
+ fi
+}
+
+# source chained prefixes
+# setting COLCON_CURRENT_PREFIX avoids determining the prefix in the sourced script
+COLCON_CURRENT_PREFIX="/opt/ros/galactic"
+_colcon_prefix_chain_zsh_source_script "$COLCON_CURRENT_PREFIX/local_setup.zsh"
+
+# source this prefix
+# setting COLCON_CURRENT_PREFIX avoids determining the prefix in the sourced script
+COLCON_CURRENT_PREFIX="$(builtin cd -q "`dirname "${(%):-%N}"`" > /dev/null && pwd)"
+_colcon_prefix_chain_zsh_source_script "$COLCON_CURRENT_PREFIX/local_setup.zsh"
+
+unset COLCON_CURRENT_PREFIX
+unset _colcon_prefix_chain_zsh_source_script
diff --git a/double_inverted/launch/double.launch.py b/double_inverted/launch/double.launch.py
new file mode 100644
index 0000000..e5d958d
--- /dev/null
+++ b/double_inverted/launch/double.launch.py
@@ -0,0 +1,28 @@
+from launch import LaunchDescription
+from launch.actions import DeclareLaunchArgument
+from launch.substitutions import LaunchConfiguration
+from launch_ros.actions import Node
+import os
+
+def generate_launch_description():
+
+ package_dir = os.path.dirname(os.path.abspath(__file__))
+ rviz_config_file = os.path.join(package_dir, '..', 'config', 'config.rviz')
+
+ visualizer = Node(
+ package = 'rviz2',
+ executable = 'rviz2',
+ # name='rviz2',
+ arguments = ['-d', rviz_config_file]
+
+ )
+
+ dynamics = Node(
+ package = 'double_inverted',
+ executable = 'dyanamics'
+ )
+
+ return LaunchDescription([
+ visualizer,
+ dynamics
+ ])
\ No newline at end of file
diff --git a/double_inverted/log/COLCON_IGNORE b/double_inverted/log/COLCON_IGNORE
new file mode 100644
index 0000000..e69de29
diff --git a/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/command.log b/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/command.log
new file mode 100644
index 0000000..5f859ea
--- /dev/null
+++ b/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/command.log
@@ -0,0 +1,2 @@
+Invoking command in '/home/aryan/Inverted-pendulum-problems/double_inverted': PYTHONPATH=/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/prefix_override:/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages:${PYTHONPATH} /usr/bin/python3 -W ignore:setup.py install is deprecated setup.py egg_info --egg-base build/double_inverted build --build-base /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build install --record /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/install.log --single-version-externally-managed install_data
+Invoked command in '/home/aryan/Inverted-pendulum-problems/double_inverted' returned '0': PYTHONPATH=/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/prefix_override:/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages:${PYTHONPATH} /usr/bin/python3 -W ignore:setup.py install is deprecated setup.py egg_info --egg-base build/double_inverted build --build-base /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build install --record /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/install.log --single-version-externally-managed install_data
diff --git a/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/stderr.log b/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/stderr.log
new file mode 100644
index 0000000..e69de29
diff --git a/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/stdout.log b/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/stdout.log
new file mode 100644
index 0000000..b37a75f
--- /dev/null
+++ b/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/stdout.log
@@ -0,0 +1,35 @@
+running egg_info
+creating build/double_inverted/double_inverted.egg-info
+writing build/double_inverted/double_inverted.egg-info/PKG-INFO
+writing dependency_links to build/double_inverted/double_inverted.egg-info/dependency_links.txt
+writing entry points to build/double_inverted/double_inverted.egg-info/entry_points.txt
+writing requirements to build/double_inverted/double_inverted.egg-info/requires.txt
+writing top-level names to build/double_inverted/double_inverted.egg-info/top_level.txt
+writing manifest file 'build/double_inverted/double_inverted.egg-info/SOURCES.txt'
+reading manifest file 'build/double_inverted/double_inverted.egg-info/SOURCES.txt'
+writing manifest file 'build/double_inverted/double_inverted.egg-info/SOURCES.txt'
+running build
+running build_py
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted
+copying double_inverted/double_inverted_dyanamics.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted
+copying double_inverted/__init__.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted
+running install
+running install_lib
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted
+copying /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted/double_inverted_dyanamics.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted
+copying /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted/__init__.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted
+byte-compiling /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/double_inverted_dyanamics.py to double_inverted_dyanamics.cpython-38.pyc
+byte-compiling /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__init__.py to __init__.cpython-38.pyc
+running install_data
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index/packages
+copying resource/double_inverted -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index/packages
+copying package.xml -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted
+running install_egg_info
+Copying build/double_inverted/double_inverted.egg-info to /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info
+running install_scripts
+Installing dyanamics script to /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/double_inverted
+writing list of installed files to '/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/install.log'
diff --git a/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/stdout_stderr.log b/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/stdout_stderr.log
new file mode 100644
index 0000000..b37a75f
--- /dev/null
+++ b/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/stdout_stderr.log
@@ -0,0 +1,35 @@
+running egg_info
+creating build/double_inverted/double_inverted.egg-info
+writing build/double_inverted/double_inverted.egg-info/PKG-INFO
+writing dependency_links to build/double_inverted/double_inverted.egg-info/dependency_links.txt
+writing entry points to build/double_inverted/double_inverted.egg-info/entry_points.txt
+writing requirements to build/double_inverted/double_inverted.egg-info/requires.txt
+writing top-level names to build/double_inverted/double_inverted.egg-info/top_level.txt
+writing manifest file 'build/double_inverted/double_inverted.egg-info/SOURCES.txt'
+reading manifest file 'build/double_inverted/double_inverted.egg-info/SOURCES.txt'
+writing manifest file 'build/double_inverted/double_inverted.egg-info/SOURCES.txt'
+running build
+running build_py
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted
+copying double_inverted/double_inverted_dyanamics.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted
+copying double_inverted/__init__.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted
+running install
+running install_lib
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted
+copying /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted/double_inverted_dyanamics.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted
+copying /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted/__init__.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted
+byte-compiling /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/double_inverted_dyanamics.py to double_inverted_dyanamics.cpython-38.pyc
+byte-compiling /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__init__.py to __init__.cpython-38.pyc
+running install_data
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index
+creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index/packages
+copying resource/double_inverted -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index/packages
+copying package.xml -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted
+running install_egg_info
+Copying build/double_inverted/double_inverted.egg-info to /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info
+running install_scripts
+Installing dyanamics script to /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/double_inverted
+writing list of installed files to '/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/install.log'
diff --git a/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/streams.log b/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/streams.log
new file mode 100644
index 0000000..5345f37
--- /dev/null
+++ b/double_inverted/log/build_2024-05-28_12-57-24/double_inverted/streams.log
@@ -0,0 +1,37 @@
+[0.345s] Invoking command in '/home/aryan/Inverted-pendulum-problems/double_inverted': PYTHONPATH=/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/prefix_override:/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages:${PYTHONPATH} /usr/bin/python3 -W ignore:setup.py install is deprecated setup.py egg_info --egg-base build/double_inverted build --build-base /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build install --record /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/install.log --single-version-externally-managed install_data
+[0.456s] running egg_info
+[0.456s] creating build/double_inverted/double_inverted.egg-info
+[0.456s] writing build/double_inverted/double_inverted.egg-info/PKG-INFO
+[0.456s] writing dependency_links to build/double_inverted/double_inverted.egg-info/dependency_links.txt
+[0.456s] writing entry points to build/double_inverted/double_inverted.egg-info/entry_points.txt
+[0.456s] writing requirements to build/double_inverted/double_inverted.egg-info/requires.txt
+[0.456s] writing top-level names to build/double_inverted/double_inverted.egg-info/top_level.txt
+[0.457s] writing manifest file 'build/double_inverted/double_inverted.egg-info/SOURCES.txt'
+[0.475s] reading manifest file 'build/double_inverted/double_inverted.egg-info/SOURCES.txt'
+[0.475s] writing manifest file 'build/double_inverted/double_inverted.egg-info/SOURCES.txt'
+[0.475s] running build
+[0.475s] running build_py
+[0.475s] creating /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build
+[0.475s] creating /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib
+[0.475s] creating /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted
+[0.476s] copying double_inverted/double_inverted_dyanamics.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted
+[0.476s] copying double_inverted/__init__.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted
+[0.476s] running install
+[0.476s] running install_lib
+[0.476s] creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted
+[0.476s] copying /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted/double_inverted_dyanamics.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted
+[0.477s] copying /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted/__init__.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted
+[0.477s] byte-compiling /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/double_inverted_dyanamics.py to double_inverted_dyanamics.cpython-38.pyc
+[0.478s] byte-compiling /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__init__.py to __init__.cpython-38.pyc
+[0.478s] running install_data
+[0.478s] creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index
+[0.478s] creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index
+[0.478s] creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index/packages
+[0.478s] copying resource/double_inverted -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index/packages
+[0.478s] copying package.xml -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted
+[0.478s] running install_egg_info
+[0.479s] Copying build/double_inverted/double_inverted.egg-info to /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info
+[0.479s] running install_scripts
+[0.488s] Installing dyanamics script to /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/double_inverted
+[0.488s] writing list of installed files to '/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/install.log'
+[0.499s] Invoked command in '/home/aryan/Inverted-pendulum-problems/double_inverted' returned '0': PYTHONPATH=/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/prefix_override:/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages:${PYTHONPATH} /usr/bin/python3 -W ignore:setup.py install is deprecated setup.py egg_info --egg-base build/double_inverted build --build-base /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build install --record /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/install.log --single-version-externally-managed install_data
diff --git a/double_inverted/log/build_2024-05-28_12-57-24/events.log b/double_inverted/log/build_2024-05-28_12-57-24/events.log
new file mode 100644
index 0000000..373b54b
--- /dev/null
+++ b/double_inverted/log/build_2024-05-28_12-57-24/events.log
@@ -0,0 +1,47 @@
+[0.000000] (-) TimerEvent: {}
+[0.000086] (double_inverted) JobQueued: {'identifier': 'double_inverted', 'dependencies': OrderedDict()}
+[0.000545] (double_inverted) JobStarted: {'identifier': 'double_inverted'}
+[0.099951] (-) TimerEvent: {}
+[0.200365] (-) TimerEvent: {}
+[0.300730] (-) TimerEvent: {}
+[0.343258] (double_inverted) Command: {'cmd': ['/usr/bin/python3', '-W', 'ignore:setup.py install is deprecated', 'setup.py', 'egg_info', '--egg-base', 'build/double_inverted', 'build', '--build-base', '/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build', 'install', '--record', '/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/install.log', '--single-version-externally-managed', 'install_data'], 'cwd': '/home/aryan/Inverted-pendulum-problems/double_inverted', 'env': {'LESSOPEN': '| /usr/bin/lesspipe %s', 'LANGUAGE': 'en_IN:en', 'USER': 'aryan', 'SSH_AGENT_PID': '1607', 'XDG_SESSION_TYPE': 'x11', 'SHLVL': '1', 'LD_LIBRARY_PATH': '/opt/ros/galactic/opt/yaml_cpp_vendor/lib:/opt/ros/galactic/opt/rviz_ogre_vendor/lib:/opt/ros/galactic/lib/x86_64-linux-gnu:/opt/ros/galactic/lib', 'HOME': '/home/aryan', 'DESKTOP_SESSION': 'ubuntu', 'ROS_PYTHON_VERSION': '3', 'GNOME_SHELL_SESSION_MODE': 'ubuntu', 'GTK_MODULES': 'gail:atk-bridge', 'MANAGERPID': '1509', 'DBUS_STARTER_BUS_TYPE': 'session', 'DBUS_SESSION_BUS_ADDRESS': 'unix:path=/run/user/1000/bus,guid=76d3d2a54a87fb7fcc1215e866556bb3', 'COLORTERM': 'truecolor', 'IM_CONFIG_PHASE': '1', 'ROS_DISTRO': 'galactic', 'LOGNAME': 'aryan', 'JOURNAL_STREAM': '8:45890', '_': '/usr/bin/colcon', 'ROS_VERSION': '2', 'XDG_SESSION_CLASS': 'user', 'USERNAME': 'aryan', 'TERM': 'xterm-256color', 'GNOME_DESKTOP_SESSION_ID': 'this-is-deprecated', 'ROS_LOCALHOST_ONLY': '0', 'WINDOWPATH': '2', 'PATH': '/opt/ros/galactic/bin:/home/aryan/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin', 'SESSION_MANAGER': 'local/aryan-Vivobook-ASUSLaptop-X1502ZA-X1502ZA:@/tmp/.ICE-unix/1647,unix/aryan-Vivobook-ASUSLaptop-X1502ZA-X1502ZA:/tmp/.ICE-unix/1647', 'INVOCATION_ID': '685ce25ff4a54ba8a5f8e9295eb0a1ac', 'XDG_MENU_PREFIX': 'gnome-', 'GNOME_TERMINAL_SCREEN': '/org/gnome/Terminal/screen/25509364_879c_490d_a838_26e8c09adf24', 'XDG_RUNTIME_DIR': '/run/user/1000', 'DISPLAY': ':0', 'LANG': 'en_IN', 'XDG_CURRENT_DESKTOP': 'ubuntu:GNOME', 'XMODIFIERS': '@im=ibus', 'XDG_SESSION_DESKTOP': 'ubuntu', 'XAUTHORITY': '/run/user/1000/gdm/Xauthority', 'LS_COLORS': 'rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:', 'GNOME_TERMINAL_SERVICE': ':1.643', 'SSH_AUTH_SOCK': '/run/user/1000/keyring/ssh', 'AMENT_PREFIX_PATH': '/opt/ros/galactic', 'SHELL': '/bin/bash', 'QT_ACCESSIBILITY': '1', 'GDMSESSION': 'ubuntu', 'LESSCLOSE': '/usr/bin/lesspipe %s %s', 'GPG_AGENT_INFO': '/run/user/1000/gnupg/S.gpg-agent:0:1', 'QT_IM_MODULE': 'ibus', 'PWD': '/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted', 'XDG_CONFIG_DIRS': '/etc/xdg/xdg-ubuntu:/etc/xdg', 'DBUS_STARTER_ADDRESS': 'unix:path=/run/user/1000/bus,guid=76d3d2a54a87fb7fcc1215e866556bb3', 'XDG_DATA_DIRS': '/usr/share/ubuntu:/usr/local/share/:/usr/share/:/var/lib/snapd/desktop', 'PYTHONPATH': '/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/prefix_override:/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages:/opt/ros/galactic/lib/python3.8/site-packages', 'COLCON': '1', 'VTE_VERSION': '6003'}, 'shell': False}
+[0.400921] (-) TimerEvent: {}
+[0.456369] (double_inverted) StdoutLine: {'line': b'running egg_info\n'}
+[0.456610] (double_inverted) StdoutLine: {'line': b'creating build/double_inverted/double_inverted.egg-info\n'}
+[0.456681] (double_inverted) StdoutLine: {'line': b'writing build/double_inverted/double_inverted.egg-info/PKG-INFO\n'}
+[0.456837] (double_inverted) StdoutLine: {'line': b'writing dependency_links to build/double_inverted/double_inverted.egg-info/dependency_links.txt\n'}
+[0.456904] (double_inverted) StdoutLine: {'line': b'writing entry points to build/double_inverted/double_inverted.egg-info/entry_points.txt\n'}
+[0.456936] (double_inverted) StdoutLine: {'line': b'writing requirements to build/double_inverted/double_inverted.egg-info/requires.txt\n'}
+[0.456966] (double_inverted) StdoutLine: {'line': b'writing top-level names to build/double_inverted/double_inverted.egg-info/top_level.txt\n'}
+[0.457447] (double_inverted) StdoutLine: {'line': b"writing manifest file 'build/double_inverted/double_inverted.egg-info/SOURCES.txt'\n"}
+[0.475216] (double_inverted) StdoutLine: {'line': b"reading manifest file 'build/double_inverted/double_inverted.egg-info/SOURCES.txt'\n"}
+[0.475830] (double_inverted) StdoutLine: {'line': b"writing manifest file 'build/double_inverted/double_inverted.egg-info/SOURCES.txt'\n"}
+[0.475900] (double_inverted) StdoutLine: {'line': b'running build\n'}
+[0.475936] (double_inverted) StdoutLine: {'line': b'running build_py\n'}
+[0.475966] (double_inverted) StdoutLine: {'line': b'creating /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build\n'}
+[0.475995] (double_inverted) StdoutLine: {'line': b'creating /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib\n'}
+[0.476023] (double_inverted) StdoutLine: {'line': b'creating /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted\n'}
+[0.476050] (double_inverted) StdoutLine: {'line': b'copying double_inverted/double_inverted_dyanamics.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted\n'}
+[0.476081] (double_inverted) StdoutLine: {'line': b'copying double_inverted/__init__.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted\n'}
+[0.476110] (double_inverted) StdoutLine: {'line': b'running install\n'}
+[0.476428] (double_inverted) StdoutLine: {'line': b'running install_lib\n'}
+[0.476971] (double_inverted) StdoutLine: {'line': b'creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted\n'}
+[0.477042] (double_inverted) StdoutLine: {'line': b'copying /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted/double_inverted_dyanamics.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted\n'}
+[0.477078] (double_inverted) StdoutLine: {'line': b'copying /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build/lib/double_inverted/__init__.py -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted\n'}
+[0.477230] (double_inverted) StdoutLine: {'line': b'byte-compiling /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/double_inverted_dyanamics.py to double_inverted_dyanamics.cpython-38.pyc\n'}
+[0.478329] (double_inverted) StdoutLine: {'line': b'byte-compiling /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted/__init__.py to __init__.cpython-38.pyc\n'}
+[0.478400] (double_inverted) StdoutLine: {'line': b'running install_data\n'}
+[0.478435] (double_inverted) StdoutLine: {'line': b'creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index\n'}
+[0.478465] (double_inverted) StdoutLine: {'line': b'creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index\n'}
+[0.478493] (double_inverted) StdoutLine: {'line': b'creating /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index/packages\n'}
+[0.478520] (double_inverted) StdoutLine: {'line': b'copying resource/double_inverted -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/ament_index/resource_index/packages\n'}
+[0.478547] (double_inverted) StdoutLine: {'line': b'copying package.xml -> /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted\n'}
+[0.478576] (double_inverted) StdoutLine: {'line': b'running install_egg_info\n'}
+[0.479301] (double_inverted) StdoutLine: {'line': b'Copying build/double_inverted/double_inverted.egg-info to /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages/double_inverted-0.0.0-py3.8.egg-info\n'}
+[0.479587] (double_inverted) StdoutLine: {'line': b'running install_scripts\n'}
+[0.488828] (double_inverted) StdoutLine: {'line': b'Installing dyanamics script to /home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/double_inverted\n'}
+[0.488899] (double_inverted) StdoutLine: {'line': b"writing list of installed files to '/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/install.log'\n"}
+[0.499375] (double_inverted) CommandEnded: {'returncode': 0}
+[0.501024] (-) TimerEvent: {}
+[0.504529] (double_inverted) JobEnded: {'identifier': 'double_inverted', 'rc': 0}
+[0.505049] (-) EventReactorShutdown: {}
diff --git a/double_inverted/log/build_2024-05-28_12-57-24/logger_all.log b/double_inverted/log/build_2024-05-28_12-57-24/logger_all.log
new file mode 100644
index 0000000..ac9e566
--- /dev/null
+++ b/double_inverted/log/build_2024-05-28_12-57-24/logger_all.log
@@ -0,0 +1,89 @@
+[0.104s] DEBUG:colcon:Command line arguments: ['/usr/bin/colcon', 'build']
+[0.104s] DEBUG:colcon:Parsed command line arguments: Namespace(allow_overriding=[], ament_cmake_args=None, base_paths=['.'], build_base='build', catkin_cmake_args=None, catkin_skip_building_tests=False, cmake_args=None, cmake_clean_cache=False, cmake_clean_first=False, cmake_force_configure=False, cmake_target=None, cmake_target_skip_unavailable=False, continue_on_error=False, event_handlers=None, executor='parallel', ignore_user_meta=False, install_base='install', log_base=None, log_level=None, main=>, merge_install=False, metas=['./colcon.meta'], packages_above=None, packages_above_and_dependencies=None, packages_above_depth=None, packages_end=None, packages_ignore=None, packages_ignore_regex=None, packages_select=None, packages_select_build_failed=False, packages_select_by_dep=None, packages_select_regex=None, packages_select_test_failures=False, packages_skip=None, packages_skip_build_finished=False, packages_skip_by_dep=None, packages_skip_regex=None, packages_skip_test_passed=False, packages_skip_up_to=None, packages_start=None, packages_up_to=None, packages_up_to_regex=None, parallel_workers=16, paths=None, symlink_install=False, test_result_base=None, verb_extension=, verb_name='build', verb_parser=)
+[0.184s] Level 1:colcon.colcon_core.package_discovery:discover_packages(colcon_meta) check parameters
+[0.185s] Level 1:colcon.colcon_core.package_discovery:discover_packages(recursive) check parameters
+[0.185s] Level 1:colcon.colcon_core.package_discovery:discover_packages(ignore) check parameters
+[0.185s] Level 1:colcon.colcon_core.package_discovery:discover_packages(path) check parameters
+[0.185s] Level 1:colcon.colcon_core.package_discovery:discover_packages(colcon_meta) discover
+[0.185s] Level 1:colcon.colcon_core.package_discovery:discover_packages(recursive) discover
+[0.185s] INFO:colcon.colcon_core.package_discovery:Crawling recursively for packages in '/home/aryan/Inverted-pendulum-problems/double_inverted'
+[0.185s] Level 1:colcon.colcon_core.package_identification:_identify(.) by extensions ['ignore', 'ignore_ament_install']
+[0.185s] Level 1:colcon.colcon_core.package_identification:_identify(.) by extension 'ignore'
+[0.185s] Level 1:colcon.colcon_core.package_identification:_identify(.) by extension 'ignore_ament_install'
+[0.185s] Level 1:colcon.colcon_core.package_identification:_identify(.) by extensions ['colcon_pkg']
+[0.185s] Level 1:colcon.colcon_core.package_identification:_identify(.) by extension 'colcon_pkg'
+[0.185s] Level 1:colcon.colcon_core.package_identification:_identify(.) by extensions ['colcon_meta']
+[0.185s] Level 1:colcon.colcon_core.package_identification:_identify(.) by extension 'colcon_meta'
+[0.185s] Level 1:colcon.colcon_core.package_identification:_identify(.) by extensions ['ros']
+[0.185s] Level 1:colcon.colcon_core.package_identification:_identify(.) by extension 'ros'
+[0.192s] DEBUG:colcon.colcon_core.package_identification:Package '.' with type 'ros.ament_python' and name 'double_inverted'
+[0.196s] Level 1:colcon.colcon_core.package_discovery:discover_packages(recursive) using defaults
+[0.196s] Level 1:colcon.colcon_core.package_discovery:discover_packages(ignore) discover
+[0.196s] Level 1:colcon.colcon_core.package_discovery:discover_packages(ignore) using defaults
+[0.196s] Level 1:colcon.colcon_core.package_discovery:discover_packages(path) discover
+[0.196s] Level 1:colcon.colcon_core.package_discovery:discover_packages(path) using defaults
+[0.204s] Level 1:colcon.colcon_core.package_discovery:discover_packages(prefix_path) check parameters
+[0.204s] Level 1:colcon.colcon_core.package_discovery:discover_packages(prefix_path) discover
+[0.205s] DEBUG:colcon.colcon_installed_package_information.package_discovery:Found 270 installed packages in /opt/ros/galactic
+[0.212s] Level 1:colcon.colcon_core.package_discovery:discover_packages(prefix_path) using defaults
+[0.243s] Level 5:colcon.colcon_core.verb:set package 'double_inverted' build argument 'cmake_args' from command line to 'None'
+[0.243s] Level 5:colcon.colcon_core.verb:set package 'double_inverted' build argument 'cmake_target' from command line to 'None'
+[0.243s] Level 5:colcon.colcon_core.verb:set package 'double_inverted' build argument 'cmake_target_skip_unavailable' from command line to 'False'
+[0.243s] Level 5:colcon.colcon_core.verb:set package 'double_inverted' build argument 'cmake_clean_cache' from command line to 'False'
+[0.243s] Level 5:colcon.colcon_core.verb:set package 'double_inverted' build argument 'cmake_clean_first' from command line to 'False'
+[0.243s] Level 5:colcon.colcon_core.verb:set package 'double_inverted' build argument 'cmake_force_configure' from command line to 'False'
+[0.243s] Level 5:colcon.colcon_core.verb:set package 'double_inverted' build argument 'ament_cmake_args' from command line to 'None'
+[0.243s] Level 5:colcon.colcon_core.verb:set package 'double_inverted' build argument 'catkin_cmake_args' from command line to 'None'
+[0.243s] Level 5:colcon.colcon_core.verb:set package 'double_inverted' build argument 'catkin_skip_building_tests' from command line to 'False'
+[0.243s] DEBUG:colcon.colcon_core.verb:Building package 'double_inverted' with the following arguments: {'ament_cmake_args': None, 'build_base': '/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted', 'catkin_cmake_args': None, 'catkin_skip_building_tests': False, 'cmake_args': None, 'cmake_clean_cache': False, 'cmake_clean_first': False, 'cmake_force_configure': False, 'cmake_target': None, 'cmake_target_skip_unavailable': False, 'install_base': '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted', 'merge_install': False, 'path': '/home/aryan/Inverted-pendulum-problems/double_inverted', 'symlink_install': False, 'test_result_base': None}
+[0.243s] INFO:colcon.colcon_core.executor:Executing jobs using 'parallel' executor
+[0.244s] DEBUG:colcon.colcon_parallel_executor.executor.parallel:run_until_complete
+[0.244s] INFO:colcon.colcon_ros.task.ament_python.build:Building ROS package in '/home/aryan/Inverted-pendulum-problems/double_inverted' with build type 'ament_python'
+[0.244s] Level 1:colcon.colcon_core.shell:create_environment_hook('double_inverted', 'ament_prefix_path')
+[0.245s] INFO:colcon.colcon_core.plugin_system:Skipping extension 'colcon_core.shell.bat': Not used on non-Windows systems
+[0.245s] INFO:colcon.colcon_core.shell:Creating environment hook '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted/hook/ament_prefix_path.ps1'
+[0.245s] INFO:colcon.colcon_core.shell:Creating environment descriptor '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted/hook/ament_prefix_path.dsv'
+[0.246s] INFO:colcon.colcon_core.shell:Creating environment hook '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted/hook/ament_prefix_path.sh'
+[0.246s] INFO:colcon.colcon_core.shell:Skip shell extension 'powershell' for command environment: Not usable outside of PowerShell
+[0.246s] DEBUG:colcon.colcon_core.shell:Skip shell extension 'dsv' for command environment
+[0.371s] INFO:colcon.colcon_core.task.python.build:Building Python package in '/home/aryan/Inverted-pendulum-problems/double_inverted'
+[0.371s] INFO:colcon.colcon_core.shell:Skip shell extension 'powershell' for command environment: Not usable outside of PowerShell
+[0.371s] DEBUG:colcon.colcon_core.shell:Skip shell extension 'dsv' for command environment
+[0.589s] DEBUG:colcon.colcon_core.event_handler.log_command:Invoking command in '/home/aryan/Inverted-pendulum-problems/double_inverted': PYTHONPATH=/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/prefix_override:/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages:${PYTHONPATH} /usr/bin/python3 -W ignore:setup.py install is deprecated setup.py egg_info --egg-base build/double_inverted build --build-base /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build install --record /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/install.log --single-version-externally-managed install_data
+[0.743s] DEBUG:colcon.colcon_core.event_handler.log_command:Invoked command in '/home/aryan/Inverted-pendulum-problems/double_inverted' returned '0': PYTHONPATH=/home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/prefix_override:/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages:${PYTHONPATH} /usr/bin/python3 -W ignore:setup.py install is deprecated setup.py egg_info --egg-base build/double_inverted build --build-base /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/build install --record /home/aryan/Inverted-pendulum-problems/double_inverted/build/double_inverted/install.log --single-version-externally-managed install_data
+[0.744s] Level 1:colcon.colcon_core.environment:checking '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted' for CMake module files
+[0.745s] Level 1:colcon.colcon_core.environment:checking '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted' for CMake config files
+[0.745s] Level 1:colcon.colcon_core.environment:checking '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib'
+[0.745s] Level 1:colcon.colcon_core.environment:checking '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/bin'
+[0.745s] Level 1:colcon.colcon_core.environment:checking '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/pkgconfig/double_inverted.pc'
+[0.745s] Level 1:colcon.colcon_core.environment:checking '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/lib/python3.8/site-packages'
+[0.745s] Level 1:colcon.colcon_core.shell:create_environment_hook('double_inverted', 'pythonpath')
+[0.746s] INFO:colcon.colcon_core.shell:Creating environment hook '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted/hook/pythonpath.ps1'
+[0.746s] INFO:colcon.colcon_core.shell:Creating environment descriptor '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted/hook/pythonpath.dsv'
+[0.746s] INFO:colcon.colcon_core.shell:Creating environment hook '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted/hook/pythonpath.sh'
+[0.746s] Level 1:colcon.colcon_core.environment:checking '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/bin'
+[0.746s] Level 1:colcon.colcon_core.environment:create_environment_scripts_only(double_inverted)
+[0.746s] INFO:colcon.colcon_core.shell:Creating package script '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted/package.ps1'
+[0.747s] INFO:colcon.colcon_core.shell:Creating package descriptor '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted/package.dsv'
+[0.747s] INFO:colcon.colcon_core.shell:Creating package script '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted/package.sh'
+[0.747s] INFO:colcon.colcon_core.shell:Creating package script '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted/package.bash'
+[0.748s] INFO:colcon.colcon_core.shell:Creating package script '/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/double_inverted/package.zsh'
+[0.748s] Level 1:colcon.colcon_core.environment:create_file_with_runtime_dependencies(/home/aryan/Inverted-pendulum-problems/double_inverted/install/double_inverted/share/colcon-core/packages/double_inverted)
+[0.748s] DEBUG:colcon.colcon_parallel_executor.executor.parallel:closing loop
+[0.748s] DEBUG:colcon.colcon_parallel_executor.executor.parallel:loop closed
+[0.748s] DEBUG:colcon.colcon_parallel_executor.executor.parallel:run_until_complete finished with '0'
+[0.748s] DEBUG:colcon.colcon_core.event_reactor:joining thread
+[0.752s] INFO:colcon.colcon_core.plugin_system:Skipping extension 'colcon_notification.desktop_notification.terminal_notifier': Not used on non-Darwin systems
+[0.752s] INFO:colcon.colcon_core.plugin_system:Skipping extension 'colcon_notification.desktop_notification.win32': Not used on non-Windows systems
+[0.752s] INFO:colcon.colcon_notification.desktop_notification:Sending desktop notification using 'notify2'
+[0.766s] DEBUG:colcon.colcon_core.event_reactor:joined thread
+[0.766s] INFO:colcon.colcon_core.shell:Creating prefix script '/home/aryan/Inverted-pendulum-problems/double_inverted/install/local_setup.ps1'
+[0.767s] INFO:colcon.colcon_core.shell:Creating prefix util module '/home/aryan/Inverted-pendulum-problems/double_inverted/install/_local_setup_util_ps1.py'
+[0.767s] INFO:colcon.colcon_core.shell:Creating prefix chain script '/home/aryan/Inverted-pendulum-problems/double_inverted/install/setup.ps1'
+[0.768s] INFO:colcon.colcon_core.shell:Creating prefix script '/home/aryan/Inverted-pendulum-problems/double_inverted/install/local_setup.sh'
+[0.768s] INFO:colcon.colcon_core.shell:Creating prefix util module '/home/aryan/Inverted-pendulum-problems/double_inverted/install/_local_setup_util_sh.py'
+[0.768s] INFO:colcon.colcon_core.shell:Creating prefix chain script '/home/aryan/Inverted-pendulum-problems/double_inverted/install/setup.sh'
+[0.769s] INFO:colcon.colcon_core.shell:Creating prefix script '/home/aryan/Inverted-pendulum-problems/double_inverted/install/local_setup.bash'
+[0.769s] INFO:colcon.colcon_core.shell:Creating prefix chain script '/home/aryan/Inverted-pendulum-problems/double_inverted/install/setup.bash'
+[0.769s] INFO:colcon.colcon_core.shell:Creating prefix script '/home/aryan/Inverted-pendulum-problems/double_inverted/install/local_setup.zsh'
+[0.770s] INFO:colcon.colcon_core.shell:Creating prefix chain script '/home/aryan/Inverted-pendulum-problems/double_inverted/install/setup.zsh'
diff --git a/double_inverted/package.xml b/double_inverted/package.xml
new file mode 100644
index 0000000..d449295
--- /dev/null
+++ b/double_inverted/package.xml
@@ -0,0 +1,18 @@
+
+
+
+ double_inverted
+ 0.0.0
+ TODO: Package description
+ aryan
+ TODO: License declaration
+
+ ament_copyright
+ ament_flake8
+ ament_pep257
+ python3-pytest
+
+
+ ament_python
+
+
diff --git a/double_inverted/resource/double_inverted b/double_inverted/resource/double_inverted
new file mode 100644
index 0000000..e69de29
diff --git a/double_inverted/setup.cfg b/double_inverted/setup.cfg
new file mode 100644
index 0000000..2daf2b6
--- /dev/null
+++ b/double_inverted/setup.cfg
@@ -0,0 +1,4 @@
+[develop]
+script_dir=$base/lib/double_inverted
+[install]
+install_scripts=$base/lib/double_inverted
diff --git a/double_inverted/setup.py b/double_inverted/setup.py
new file mode 100644
index 0000000..ee8bcb9
--- /dev/null
+++ b/double_inverted/setup.py
@@ -0,0 +1,32 @@
+from setuptools import setup
+import os
+from glob import glob
+
+package_name = 'double_inverted'
+
+setup(
+ name=package_name,
+ version='0.0.0',
+ packages=[package_name],
+ data_files=[
+ ('share/ament_index/resource_index/packages',
+ ['resource/' + package_name]),
+ ('share/' + package_name, ['package.xml']),
+ (os.path.join('share', package_name, 'launch/'),
+ glob('launch/*launch.[pxy][yma]*')),
+ (os.path.join('share', package_name, 'config/'),
+ glob('config/**'))
+ ],
+ install_requires=['setuptools'],
+ zip_safe=True,
+ maintainer='aryan',
+ maintainer_email='aryankay1234@gmail.com',
+ description='TODO: Package description',
+ license='TODO: License declaration',
+ tests_require=['pytest'],
+ entry_points={
+ 'console_scripts': [
+ 'dyanamics = double_inverted.double_inverted_dyanamics:main'
+ ],
+ },
+)
diff --git a/double_inverted/test/test_copyright.py b/double_inverted/test/test_copyright.py
new file mode 100644
index 0000000..cc8ff03
--- /dev/null
+++ b/double_inverted/test/test_copyright.py
@@ -0,0 +1,23 @@
+# Copyright 2015 Open Source Robotics Foundation, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from ament_copyright.main import main
+import pytest
+
+
+@pytest.mark.copyright
+@pytest.mark.linter
+def test_copyright():
+ rc = main(argv=['.', 'test'])
+ assert rc == 0, 'Found errors'
diff --git a/double_inverted/test/test_flake8.py b/double_inverted/test/test_flake8.py
new file mode 100644
index 0000000..27ee107
--- /dev/null
+++ b/double_inverted/test/test_flake8.py
@@ -0,0 +1,25 @@
+# Copyright 2017 Open Source Robotics Foundation, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from ament_flake8.main import main_with_errors
+import pytest
+
+
+@pytest.mark.flake8
+@pytest.mark.linter
+def test_flake8():
+ rc, errors = main_with_errors(argv=[])
+ assert rc == 0, \
+ 'Found %d code style errors / warnings:\n' % len(errors) + \
+ '\n'.join(errors)
diff --git a/double_inverted/test/test_pep257.py b/double_inverted/test/test_pep257.py
new file mode 100644
index 0000000..b234a38
--- /dev/null
+++ b/double_inverted/test/test_pep257.py
@@ -0,0 +1,23 @@
+# Copyright 2015 Open Source Robotics Foundation, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from ament_pep257.main import main
+import pytest
+
+
+@pytest.mark.linter
+@pytest.mark.pep257
+def test_pep257():
+ rc = main(argv=['.', 'test'])
+ assert rc == 0, 'Found code style errors / warnings'
diff --git a/single_inverted/launch/single_inverted_pendulum.launch.py b/single_inverted/launch/single_inverted_pendulum.launch.py
index 0e7c01b..0eedd27 100644
--- a/single_inverted/launch/single_inverted_pendulum.launch.py
+++ b/single_inverted/launch/single_inverted_pendulum.launch.py
@@ -22,7 +22,25 @@ def generate_launch_description():
executable = 'dynamics_sim'
)
+ interface = Node(
+ package = 'single_inverted',
+ executable = 'interface'
+ )
+
+ balance = Node(
+ package = 'single_inverted',
+ executable = 'balancer'
+ )
+
+ swingup = Node(
+ package = 'single_inverted',
+ executable = 'swingup'
+ )
+
return LaunchDescription([
visualizer,
- dynamics
- ])
\ No newline at end of file
+ dynamics,
+ #interface,
+ #balance,
+ swingup
+ ])
diff --git a/single_inverted/setup.py b/single_inverted/setup.py
index d02acd7..c16557a 100644
--- a/single_inverted/setup.py
+++ b/single_inverted/setup.py
@@ -26,7 +26,10 @@
tests_require=['pytest'],
entry_points={
'console_scripts': [
- 'dynamics_sim = single_inverted.dynamics_sim:main'
+ 'dynamics_sim = single_inverted.dynamics_sim:main',
+ 'balancer = single_inverted.Single_Inverted_Balance:main',
+ 'interface = single_inverted.Single_Inverted_Interface:main',
+ 'swingup = single_inverted.Single_Inverted_SwingUp:main'
],
},
)
diff --git a/single_inverted/single_inverted/Single_Inverted_Balance.py b/single_inverted/single_inverted/Single_Inverted_Balance.py
new file mode 100644
index 0000000..7950d9b
--- /dev/null
+++ b/single_inverted/single_inverted/Single_Inverted_Balance.py
@@ -0,0 +1,120 @@
+import rclpy
+from rclpy.node import Node
+from rclpy.time import Time
+import numpy as np
+from math import pi
+import matplotlib.pyplot as plt
+from custom_msgs.msg import States, TorqueInput
+
+class Single_Inverted(Node):
+
+ # Param/s
+ mass = 1.0
+ g = 9.81
+ l = 1.0
+ state_update_frequency = 3000
+ state_update_timeperiod = 1 / state_update_frequency
+
+ feedback_frequency = 50
+ # feedback_timeperiod = 1 / feedback_frequency
+
+ inertia = mass * l * l
+
+ def __init__(self):
+ super().__init__('Pendulum_Node')
+ self.subscription = self.create_subscription(
+ States,
+ '/state_feedback',
+ self.talker_callback,
+ 10
+ )
+
+ self.publisher = self.create_publisher(
+ TorqueInput,
+ '/torque_input',
+ 10
+ )
+
+ # PID gains
+ self.kp = 0.15
+ self.ki = 0.002
+ self.kd = 4.0
+
+ # Initialize PID controller state
+ self.integral_error = 0.0
+ self.previous_error = 0.0
+ self.prev_time = self.get_clock().now()
+
+ # Initialize lists to store theta and time data for plotting
+ self.theta_data = []
+ self.time_data = []
+
+ def Time_Diff(self, t1: Time, t2: Time) -> float:
+ t1_msg = t1.to_msg()
+ t2_msg = t2.to_msg()
+ sec_diff = t1_msg.sec - t2_msg.sec
+ nanosec_diff = t1_msg.nanosec - t2_msg.nanosec
+ return sec_diff + nanosec_diff / 1e9
+
+ def talker_callback(self, msg: States):
+ Theta_Meas = abs(msg.theta)
+ curr_time = self.get_clock().now()
+
+ # Compute error terms
+ error = np.pi - Theta_Meas
+ self.integral_error += error
+ self.derivative_error = (error - self.previous_error) / self.Time_Diff(curr_time, self.prev_time)
+
+ # Compute the control torque
+ control_torque = (
+ self.kp * error
+ + self.ki * self.integral_error
+ + self.kd * self.derivative_error
+ )
+
+ # Updating errors
+ self.previous_error = error
+ self.prev_time = curr_time
+
+ # Store theta and time data for plotting
+ self.theta_data.append(Theta_Meas)
+ self.time_data.append(curr_time.seconds_nanoseconds()[0] + curr_time.seconds_nanoseconds()[1] / 1e9)
+
+ # Publish the control torque
+ Torque_msg = TorqueInput()
+
+ Torque_msg.torque_value = control_torque + Theta_Meas
+ if msg.theta < 0 : Torque_msg.torque_value *= -1
+
+ # Setting limits on Torque value
+ if Torque_msg.torque_value > 5 : Torque_msg.torque_value = 5.0
+ if Torque_msg.torque_value < -5 : Torque_msg.torque_value = -5.0
+ self.publisher.publish(Torque_msg)
+
+ def plot_theta_vs_time(self):
+ plt.plot(self.time_data, self.theta_data, label='Theta vs Time')
+ plt.xlabel('Time (seconds)')
+ plt.ylabel('Theta (radians)')
+ plt.title('Theta vs Time')
+ plt.legend()
+ plt.grid(True)
+ plt.show()
+
+def main(args=None):
+ rclpy.init(args=args)
+
+ Pendulum_Node = Single_Inverted()
+ try:
+ rclpy.spin(Pendulum_Node)
+ except KeyboardInterrupt:
+ pass
+
+ # Plot theta vs time after shutting down the node
+ Pendulum_Node.plot_theta_vs_time()
+
+ Pendulum_Node.destroy_node()
+ rclpy.shutdown()
+
+if __name__ == '__main__':
+ main()
+
diff --git a/single_inverted/single_inverted/Single_Inverted_Interface.py b/single_inverted/single_inverted/Single_Inverted_Interface.py
new file mode 100644
index 0000000..ae265a3
--- /dev/null
+++ b/single_inverted/single_inverted/Single_Inverted_Interface.py
@@ -0,0 +1,60 @@
+import rclpy
+from rclpy.node import Node
+from rclpy.time import Time
+import numpy as np
+from math import pi
+import matplotlib.pyplot as plt
+from custom_msgs.msg import States, TorqueInput
+
+class Single_Inverted(Node):
+
+ # Param/s
+ mass = 1.0
+ g = 9.81
+ l = 1.0
+ state_update_frequency = 3000
+ state_update_timeperiod = 1 / state_update_frequency
+
+ feedback_frequency = 50
+ # feedback_timeperiod = 1 / feedback_frequency
+
+ inertia = mass * l * l
+
+ def __init__(self):
+ super().__init__('Pendulum_Node')
+ self.subscription = self.create_subscription(
+ States,
+ '/state_feedback',
+ self.talker_callback,
+ 10
+ )
+
+ self.publisher = self.create_publisher(
+ TorqueInput,
+ '/torque_input',
+ 10
+ )
+
+ def talker_callback(self, msg: States):
+ Theta_Meas = abs(msg.theta)
+
+ # Publish the control torque
+ Torque_msg = TorqueInput()
+
+ if Theta_Meas > 0 : Torque_msg.torque_value = 1.0 * self.inertia
+ else : Torque_msg.torque_value = -1.0
+
+ self.publisher.publish(Torque_msg)
+
+def main(args=None):
+ rclpy.init(args=args)
+
+ Pendulum_Node = Single_Inverted()
+ rclpy.spin(Pendulum_Node)
+
+ Pendulum_Node.destroy_node()
+ rclpy.shutdown()
+
+if __name__ == '__main__':
+ main()
+
diff --git a/single_inverted/single_inverted/Single_Inverted_SwingUp.py b/single_inverted/single_inverted/Single_Inverted_SwingUp.py
new file mode 100644
index 0000000..3c51d40
--- /dev/null
+++ b/single_inverted/single_inverted/Single_Inverted_SwingUp.py
@@ -0,0 +1,96 @@
+from typing import List
+
+import rclpy
+from rclpy.node import Node
+from rclpy.time import Time
+import numpy as np
+import time
+
+from custom_msgs.msg import States, TorqueInput
+
+class Single_Inverted_Swing_Up(Node):
+
+ # Setting Limits
+ Target_Value = np.pi
+ Torque_Max = 5.0
+
+ # Setting terms for errors
+ Theta_prev = 0.0
+ Torque_prev = Torque_Max
+
+ # Setting terms for PID
+ prev_error = 0.0
+ Integral_Total = 0.0
+
+ def __init__(self):
+ super().__init__("swing_up_pendulum")
+
+ self.create_subscription(
+ States,
+ "/state_feedback",
+ self.handle_state_msg,
+ 10
+ )
+ self.torque_publisher = self.create_publisher(
+ TorqueInput,
+ "/torque_input",
+ 10
+ )
+
+ self.prev_time = time.time()
+
+ def handle_state_msg(self, msg: States):
+ Theta_meas = abs(msg.theta)
+ curr_time = time.time()
+
+ Torque_msg = TorqueInput()
+ error = self.Target_Value - Theta_meas
+
+ Kp = 0.15
+ Ki = 0.002
+ Kd = 4.0
+
+ # If the chnage i angle is greater than 0.1 radian, Troque = 0
+ if abs(Theta_meas - self.Theta_prev) >= 0.1:
+ Torque_msg.torque_value = 0.0
+
+ # If absolute angle is less than 135 deg, and change in angle is less than 0.001 rad, Reverse Torque
+ elif abs(Theta_meas) < 3 * np.pi / 4:
+ if abs(Theta_meas - self.Theta_prev) < 0.001:
+ self.Torque_prev *= -1
+
+ Torque_msg.torque_value = self.Torque_prev
+
+ # Else PID :)
+ else:
+ dt = curr_time - self.prev_time
+
+ self.Integral_Total += error
+ derivative = (error - self.prev_error) / dt
+
+ PIDvalue = Kp * error + Ki * self.Integral_Total + Kd * derivative
+
+ Torque_msg.torque_value = Theta_meas + PIDvalue
+ if msg.theta < 0:
+ Torque_msg.torque_value *= -1
+
+ self.torque_publisher.publish(Torque_msg)
+
+ # Set all current values to previous for next error calculations
+ self.Theta_prev = Theta_meas
+ self.prev_error = error
+ self.prev_time = curr_time
+
+
+def main(args=None):
+ rclpy.init(args=args)
+
+ node = Single_Inverted_Swing_Up()
+ rclpy.spin(node)
+ node.destroy_node()
+
+ rclpy.shutdown()
+
+
+if __name__ == "__main__":
+ main()