specifically mention desire to avoid unspecified uplight

PixarAnimationStudios · Aug 6, 2024 · e12942c · e12942c
1 parent e493051
commit e12942c
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/pxr/usd/usdLux/schema.usda b/pxr/usd/usdLux/schema.usda
@@ -380,8 +380,8 @@ class "LightAPI" (
         In the case of a spectral renderer, this color should be uplifted such
         that it round-trips to within the limit of numerical accuracy under the
         rendering illuminant.  We recommend the use of a rendering color space
-        well defined in terms of a Illuminant D illuminant.  See:
-        \\ref usdLux_quantities
+        well defined in terms of a Illuminant D illuminant, to avoid unspecified
+        uplift.  See: \\ref usdLux_quantities
         """
         customData = {
             token apiName = "color"
@@ -412,7 +412,9 @@ class "LightAPI" (
         transformed to the rendering color space.
 
         Spectral renderers should do the same and then uplift the resulting
-        color after multiplying with the `color` attribute.
+        color after multiplying with the `color` attribute.  We recommend the
+        use of a rendering color space well defined in terms of a Illuminant D
+        illuminant, to avoid unspecified uplift.  See: \\ref usdLux_quantities
         """
         customData = {
             token apiName = "colorTemperature"