From e390e3f5d414e1bb0fe7e6f9c3e3cd7a0186ba03 Mon Sep 17 00:00:00 2001
From: Jamie Portsmouth <jamie.portsmouth@autodesk.com>
Date: Mon, 8 Dec 2025 17:57:33 +0000
Subject: [PATCH] Improved UI names for (phase function) anisotropy of
 transmission/subsurface

---
 parametrization.md.html         | 4 ++--
 reference/open_pbr_surface.mtlx | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/parametrization.md.html b/parametrization.md.html
index 1bcf38b3..f317a1cc 100644
--- a/parametrization.md.html
+++ b/parametrization.md.html
@@ -37,7 +37,7 @@
 | `transmission_color`                  | Color               | `color3`  | $ [0, 1]^3      $ |               | $ (1, 1, 1)        $ |                  |
 | `transmission_depth`                  | Depth               | `float`   | $ [0, \infty)   $ | $ [0, 1]    $ | $ 0                $ | length           |
 | `transmission_scatter`                | Scatter             | `color3`  | $ [0, 1]^3      $ |               | $ (0, 0, 0)        $ |                  |
-| `transmission_scatter_anisotropy`     | Anisotropy          | `float`   | $ [-1,  1]      $ |               | $ 0                $ |                  |
+| `transmission_scatter_anisotropy`     | Scatter Anisotropy  | `float`   | $ [-1,  1]      $ |               | $ 0                $ |                  |
 | `transmission_dispersion_scale`       | Dispersion scale    | `float`   | $ [0,  1]       $ |               | $ 0                $ |                  |
 | `transmission_dispersion_abbe_number` | Abbe number         | `float`   | $ (0, \infty)   $ | $ [9, 91]   $ | $ 20               $ |                  |
 | **Subsurface**                                                                                                                                        |
@@ -45,7 +45,7 @@
 | `subsurface_color`                    | Color               | `color3`  | $ [0, 1]        $ |               | $ (0.8, 0.8, 0.8)  $ |                  |
 | `subsurface_radius`                   | Radius              | `float`   | $ [0, \infty)   $ | $ [0, 1]    $ | $ 1                $ | length           |
 | `subsurface_radius_scale`             | Radius scale        | `color3`  | $ [0, 1]^3      $ |               | $ (1.0, 0.5, 0.25) $ |                  |
-| `subsurface_scatter_anisotropy`       | Anisotropy          | `float`   | $ [-1, 1]       $ |               | $ 0                $ |                  |
+| `subsurface_scatter_anisotropy`       | Scatter Anisotropy  | `float`   | $ [-1, 1]       $ |               | $ 0                $ |                  |
 | **Coat**                                                                                                                                              |
 | `coat_weight`                         | Weight              | `float`   | $ [0, 1]        $ |               | $ 0                $ |                  |
 | `coat_color`                          | Color               | `color3`  | $ [0, 1]^3      $ |               | $ (1, 1, 1)        $ |                  |
diff --git a/reference/open_pbr_surface.mtlx b/reference/open_pbr_surface.mtlx
index 8203486c..4b51caa2 100644
--- a/reference/open_pbr_surface.mtlx
+++ b/reference/open_pbr_surface.mtlx
@@ -31,7 +31,7 @@
            doc="Specifies the distance light travels inside the transparent base before it becomes exactly the transmission_color according to Beer's law." />
     <input name="transmission_scatter" type="color3" value="0, 0, 0" uimin="0,0,0" uimax="1,1,1" uiname="Transmission Scatter" uifolder="Transmission" uiadvanced="true"
            doc="Controls the color of light volumetrically scattered inside the transparent base. Suitable for materials with visually significant scattering such as honey, fruit juice, murky water, opalescent glass, or milky glass." />
-    <input name="transmission_scatter_anisotropy" type="float" value="0.0" uimin="-1.0" uimax="1.0" uiname="Transmission Anisotropy" uifolder="Transmission" uiadvanced="true"
+    <input name="transmission_scatter_anisotropy" type="float" value="0.0" uimin="-1.0" uimax="1.0" uiname="Transmission Scatter Anisotropy" uifolder="Transmission" uiadvanced="true"
            doc="The amount of directional bias, or anisotropy, of the volumetric scattering in the transparent base." />
     <input name="transmission_dispersion_scale" type="float" value="0.0" uimin="0.0" uimax="1.0" uiname="Transmission Dispersion Scale" uifolder="Transmission" uiadvanced="true"
            doc="Linearly scales the amount of dispersion." />
@@ -45,7 +45,7 @@
            doc="Length scale of the subsurface scattering mean free path." />
     <input name="subsurface_radius_scale" type="color3" value="1.0, 0.5, 0.25" uimin="0,0,0" uimax="1,1,1" uiname="Subsurface Radius Scale" uifolder="Subsurface" uiadvanced="true"
            doc="RGB multiplier to subsurface_radius, giving the per-channel scattering mean-free-paths." />
-    <input name="subsurface_scatter_anisotropy" type="float" value="0.0" uimin="-1.0" uimax="1.0" uiname="Subsurface Anisotropy" uifolder="Subsurface" uiadvanced="true"
+    <input name="subsurface_scatter_anisotropy" type="float" value="0.0" uimin="-1.0" uimax="1.0" uiname="Subsurface Scatter Anisotropy" uifolder="Subsurface" uiadvanced="true"
            doc="Controls the phase-function of subsurface scattering, where zero scatters light evenly, positive values scatter forwards, and negative values scatter backwards." />
     <input name="fuzz_weight" type="float" value="0.0" uimin="0.0" uimax="1.0" uiname="Fuzz Weight" uifolder="Fuzz" uiadvanced="true"
            doc="The presence weight of a fuzz layer that can be used to approximate microfibers, for fabrics such as velvet and satin as well as dust grains." />