Fix 404: colorbar discretising colors issue in SIFT

ssec · Feb 26, 2025 · ba5ad44 · ba5ad44
1 parent 975e3ca
commit ba5ad44
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/uwsift/view/scene_graph.py b/uwsift/view/scene_graph.py
@@ -86,6 +86,12 @@
 )
 DEFAULT_TEXTURE_SHAPE = (4, 16)
 
+class CustomImage(Image):
+    """Custom image override to fix issue #404."""
+
+    def _init_texture(self, data, texture_format, **texture_kwargs):
+        return super()._init_texture(data, texture_format, internalformat="r32f")
+
 
 class Markers2(Markers):
     pass
@@ -952,7 +958,7 @@ def add_node_for_image_dataset(self, layer: LayerItem, product_dataset: ProductD
             image.determine_reference_points()
         elif IMAGE_DISPLAY_MODE == ImageDisplayMode.SIMPLE_GEOLOCATED:
             grid = self._calc_subdivision_grid(product_dataset.info)
-            image = Image(
+            image = CustomImage(
                 image_data,
                 name=str(product_dataset.uuid),
                 interpolation="nearest",
@@ -965,7 +971,7 @@ def add_node_for_image_dataset(self, layer: LayerItem, product_dataset: ProductD
                 translate=(product_dataset.info[Info.ORIGIN_X], product_dataset.info[Info.ORIGIN_Y], 0),
             )
         else:
-            image = Image(
+            image = CustomImage(
                 image_data,
                 name=str(product_dataset.uuid),
                 interpolation="nearest",