Add a button to make value based selection in 3d clipping tool

docs/api-reference/index.md

@@ -79,7 +79,8 @@
    widgets.drawing.PointsTool
 
    widgets.clip3d.Clip3dTool
-   widgets.clip3d.ClippingPlanes
+   widgets.clip3d.ClipValueTool
+   widgets.clip3d.ClippingManager
 ```
 
 ## Backends

src/plopp/plotting/scatter3d.py

@@ -126,7 +126,7 @@ def scatter3d(
         A three-dimensional interactive scatter plot.
     """
     from ..graphics import scatter3dfigure
-    from ..widgets import ClippingPlanes, ToggleTool
+    from ..widgets import ClippingManager, ToggleTool
 
     if 'ax' in kwargs:
         raise ValueError(
@@ -160,11 +160,11 @@ def scatter3d(
         vmin=vmin,
         **kwargs,
     )
-    clip_planes = ClippingPlanes(fig)
+    clip_manager = ClippingManager(fig)
     fig.toolbar['cut3d'] = ToggleTool(
-        callback=clip_planes.toggle_visibility,
+        callback=clip_manager.toggle_visibility,
         icon='layer-group',
         tooltip='Hide/show spatial cutting tool',
     )
-    fig.bottom_bar.add(clip_planes)
+    fig.bottom_bar.add(clip_manager)
     return fig

src/plopp/widgets/__init__.pyi

@@ -3,7 +3,7 @@
 
 from .box import Box, HBar, VBar
 from .checkboxes import Checkboxes
-from .clip3d import Clip3dTool, ClippingPlanes
+from .clip3d import Clip3dTool, ClippingManager
 from .drawing import DrawingTool, PointsTool, PolygonTool
 from .linesave import LineSaveTool
 from .slice import RangeSliceWidget, SliceWidget, slice_dims
@@ -15,7 +15,7 @@ __all__ = [
     "ButtonTool",
     "Checkboxes",
     "Clip3dTool",
-    "ClippingPlanes",
+    "ClippingManager",
     "ColorTool",
     "DrawingTool",
     "HBar",