Merge pull request #719 from CesiumGS/fix-property-table-access

Fix point cloud styling
CesiumGS · May 13, 2024 · 21b4708 · 21b4708
2 parents 2ec6838 + ea77be0
commit 21b4708
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diff --git a/CHANGES.md b/CHANGES.md
@@ -2,6 +2,7 @@
 
 ### v0.21.0 - 2024-06-03
 
+* Fixed point cloud styling.
 * Added read-only attribute `ecefToUsdTransform` to `CesiumGeoreferencePrim`. Previously this was stored in `/CesiumSession` which has since been removed.
 * Fixed crash when updating globe anchor when georeferencing is disabled.
 

diff --git a/exts/cesium.omniverse/mdl/cesium.mdl b/exts/cesium.omniverse/mdl/cesium.mdl
@@ -395,8 +395,9 @@ float4 finalize_float4(float4 raw_value, bool has_no_data, float4 no_data, float
 
 int2 get_property_table_pixel_index(int feature_id, uniform texture_2d property_table_texture) {
     auto width = tex::width(property_table_texture);
+    auto height = tex::height(property_table_texture);
     auto pixel_x = feature_id % width;
-    auto pixel_y = feature_id / width;
+    auto pixel_y = height - 1 - feature_id / width;
     return int2(pixel_x, pixel_y);
 }