Geode-solutions · BotellaA · Feb 13, 2026 · Jan 29, 2026 · Jan 29, 2026 · Jan 29, 2026
diff --git a/opengeodeweb_viewer_schemas.json b/opengeodeweb_viewer_schemas.json
@@ -87,16 +87,11 @@
             },
             "points": {
               "type": "array",
+              "description": "Flat array of [value, r, g, b, ...]",
               "items": {
-                "type": "array",
-                "description": "[value, r, g, b]",
-                "items": {
-                  "type": "number"
-                },
-                "minItems": 4,
-                "maxItems": 4
+                "type": "number"
               },
-              "minLength": 2
+              "minItems": 8
             }
           },
           "required": [
@@ -207,16 +202,11 @@
             },
             "points": {
               "type": "array",
+              "description": "Flat array of [value, r, g, b, ...]",
               "items": {
-                "type": "array",
-                "description": "[value, r, g, b]",
-                "items": {
-                  "type": "number"
-                },
-                "minItems": 4,
-                "maxItems": 4
+                "type": "number"
               },
-              "minLength": 2
+              "minItems": 8
             }
           },
           "required": [
@@ -319,16 +309,11 @@
             },
             "points": {
               "type": "array",
+              "description": "Flat array of [value, r, g, b, ...]",
               "items": {
-                "type": "array",
-                "description": "[value, r, g, b]",
-                "items": {
-                  "type": "number"
-                },
-                "minItems": 4,
-                "maxItems": 4
+                "type": "number"
               },
-              "minLength": 2
+              "minItems": 8
             }
           },
           "required": [
@@ -480,16 +465,11 @@
             },
             "points": {
               "type": "array",
+              "description": "Flat array of [value, r, g, b, ...]",
               "items": {
-                "type": "array",
-                "description": "[value, r, g, b]",
-                "items": {
-                  "type": "number"
-                },
-                "minItems": 4,
-                "maxItems": 4
+                "type": "number"
               },
-              "minLength": 2
+              "minItems": 8
             }
           },
           "required": [
@@ -640,16 +620,11 @@
             },
             "points": {
               "type": "array",
+              "description": "Flat array of [value, r, g, b, ...]",
               "items": {
-                "type": "array",
-                "description": "[value, r, g, b]",
-                "items": {
-                  "type": "number"
-                },
-                "minItems": 4,
-                "maxItems": 4
+                "type": "number"
               },
-              "minLength": 2
+              "minItems": 8
             }
           },
           "required": [
@@ -712,16 +687,11 @@
             },
             "points": {
               "type": "array",
+              "description": "Flat array of [value, r, g, b, ...]",
               "items": {
-                "type": "array",
-                "description": "[value, r, g, b]",
-                "items": {
-                  "type": "number"
-                },
-                "minItems": 4,
-                "maxItems": 4
+                "type": "number"
               },
-              "minLength": 2
+              "minItems": 8
             }
           },
           "required": [
@@ -853,16 +823,11 @@
             },
             "points": {
               "type": "array",
+              "description": "Flat array of [value, r, g, b, ...]",
               "items": {
-                "type": "array",
-                "description": "[value, r, g, b]",
-                "items": {
-                  "type": "number"
-                },
-                "minItems": 4,
-                "maxItems": 4
+                "type": "number"
               },
-              "minLength": 2
+              "minItems": 8
             }
           },
           "required": [
@@ -945,16 +910,11 @@
             },
             "points": {
               "type": "array",
+              "description": "Flat array of [value, r, g, b, ...]",
               "items": {
-                "type": "array",
-                "description": "[value, r, g, b]",
-                "items": {
-                  "type": "number"
-                },
-                "minItems": 4,
-                "maxItems": 4
+                "type": "number"
               },
-              "minLength": 2
+              "minItems": 8
             }
           },
           "required": [

diff --git a/requirements.txt b/requirements.txt
@@ -61,4 +61,3 @@ wslink==1.12.4
 yarl>=1
     # via aiohttp
 
-opengeodeweb-microservice==1.*,>=1.0.13rc1
diff --git a/src/opengeodeweb_viewer/rpc/mesh/cells/schemas/cell_color_map.json b/src/opengeodeweb_viewer/rpc/mesh/cells/schemas/cell_color_map.json
@@ -8,16 +8,11 @@
     },
     "points": {
       "type": "array",
+      "description": "Flat array of [value, r, g, b, ...]",
       "items": {
-        "type": "array",
-        "description": "[value, r, g, b]",
-        "items": {
-          "type": "number"
-        },
-        "minItems": 4,
-        "maxItems": 4
+        "type": "number"
       },
-      "minLength": 2
+      "minItems": 8
     }
   },
   "required": ["id", "points"],

diff --git a/src/opengeodeweb_viewer/rpc/mesh/cells/schemas/cell_color_map.py b/src/opengeodeweb_viewer/rpc/mesh/cells/schemas/cell_color_map.py
@@ -9,4 +9,5 @@ def __post_init__(self) -> None:
         print(self, flush=True)
 
     id: str
-    points: List[List[float]]
+    points: List[float]
+    """Flat array of [value, r, g, b, ...]"""
diff --git a/src/opengeodeweb_viewer/rpc/mesh/cells/schemas/vertex_color_map.json b/src/opengeodeweb_viewer/rpc/mesh/cells/schemas/vertex_color_map.json
@@ -8,16 +8,11 @@
     },
     "points": {
       "type": "array",
+      "description": "Flat array of [value, r, g, b, ...]",
       "items": {
-        "type": "array",
-        "description": "[value, r, g, b]",
-        "items": {
-          "type": "number"
-        },
-        "minItems": 4,
-        "maxItems": 4
+        "type": "number"
       },
-      "minLength": 2
+      "minItems": 8
     }
   },
   "required": ["id", "points"],

diff --git a/src/opengeodeweb_viewer/rpc/mesh/cells/schemas/vertex_color_map.py b/src/opengeodeweb_viewer/rpc/mesh/cells/schemas/vertex_color_map.py
@@ -9,4 +9,5 @@ def __post_init__(self) -> None:
         print(self, flush=True)
 
     id: str
-    points: List[List[float]]
+    points: List[float]
+    """Flat array of [value, r, g, b, ...]"""
diff --git a/src/opengeodeweb_viewer/rpc/mesh/edges/schemas/vertex_color_map.json b/src/opengeodeweb_viewer/rpc/mesh/edges/schemas/vertex_color_map.json
@@ -8,16 +8,11 @@
     },
     "points": {
       "type": "array",
+      "description": "Flat array of [value, r, g, b, ...]",
       "items": {
-        "type": "array",
-        "description": "[value, r, g, b]",
-        "items": {
-          "type": "number"
-        },
-        "minItems": 4,
-        "maxItems": 4
+        "type": "number"
       },
-      "minLength": 2
+      "minItems": 8
     }
   },
   "required": ["id", "points"],

diff --git a/src/opengeodeweb_viewer/rpc/mesh/edges/schemas/vertex_color_map.py b/src/opengeodeweb_viewer/rpc/mesh/edges/schemas/vertex_color_map.py
@@ -9,4 +9,5 @@ def __post_init__(self) -> None:
         print(self, flush=True)
 
     id: str
-    points: List[List[float]]
+    points: List[float]
+    """Flat array of [value, r, g, b, ...]"""
diff --git a/src/opengeodeweb_viewer/rpc/mesh/mesh_protocols.py b/src/opengeodeweb_viewer/rpc/mesh/mesh_protocols.py
@@ -141,7 +141,6 @@ def displayAttributeOnVertices(self, data_id: str, name: str) -> None:
         mapper = self.get_object(data_id).mapper
         mapper.ScalarVisibilityOn()
         mapper.SetScalarModeToUsePointData()
-        mapper.SetScalarRange(points.GetScalars().GetRange())
 
     def displayAttributeOnCells(self, data_id: str, name: str) -> None:
         reader = self.get_object(data_id).reader
@@ -150,31 +149,25 @@ def displayAttributeOnCells(self, data_id: str, name: str) -> None:
         mapper = self.get_object(data_id).mapper
         mapper.ScalarVisibilityOn()
         mapper.SetScalarModeToUseCellData()
-        mapper.SetScalarRange(cells.GetScalars().GetRange())
 
     def displayScalarRange(self, data_id: str, minimum: float, maximum: float) -> None:
         data = self.get_object(data_id)
         data.mapper.SetScalarRange(minimum, maximum)
-        if hasattr(data, "color_map_points") and data.color_map_points:
-            lut = vtkColorTransferFunction()
-            for ratio, red, green, blue in data.color_map_points:
-                scalar_value = minimum + ratio * (maximum - minimum)
-                lut.AddRGBPoint(scalar_value, red / 255, green / 255, blue / 255)
-            data.mapper.SetLookupTable(lut)
+        data.mapper.GetLookupTable().SetRange(minimum, maximum)
+        data.mapper.SetUseLookupTableScalarRange(False)
 
-    def setupColorMap(self, data_id: str, points: list[list[float]]) -> None:
+    def setupColorMap(self, data_id: str, points: list[float]) -> None:
         data = self.get_object(data_id)
-        sorted_points = sorted(points, key=lambda x: x[0])
-        points_min = sorted_points[0][0]
-        points_max = sorted_points[-1][0]
-        points_range = points_max - points_min if points_max != points_min else 1.0
+        lut = data.mapper.GetLookupTable()
+        if not isinstance(lut, vtkColorTransferFunction):
+            lut = vtkColorTransferFunction()
+            data.mapper.SetLookupTable(lut)
 
-        data.color_map_points = []
-        for point in sorted_points:
-            ratio = (point[0] - points_min) / points_range
-            data.color_map_points.append([ratio, *point[1:]])
+        lut.RemoveAllPoints()
+        for x, r, g, b in zip(*[iter(points)] * 4):
+            lut.AddRGBPoint(x, r, g, b)
 
+        minimum, maximum = points[0], points[-4]
+        data.mapper.SetScalarRange(minimum, maximum)
+        data.mapper.SetUseLookupTableScalarRange(False)
         data.mapper.InterpolateScalarsBeforeMappingOn()
-
-        minimum, maximum = data.mapper.GetScalarRange()
-        self.displayScalarRange(data_id, minimum, maximum)
diff --git a/src/opengeodeweb_viewer/rpc/mesh/points/schemas/vertex_color_map.json b/src/opengeodeweb_viewer/rpc/mesh/points/schemas/vertex_color_map.json
@@ -8,16 +8,11 @@
     },
     "points": {
       "type": "array",
+      "description": "Flat array of [value, r, g, b, ...]",
       "items": {
-        "type": "array",
-        "description": "[value, r, g, b]",
-        "items": {
-          "type": "number"
-        },
-        "minItems": 4,
-        "maxItems": 4
+        "type": "number"
       },
-      "minLength": 2
+      "minItems": 8
     }
   },
   "required": ["id", "points"],

diff --git a/src/opengeodeweb_viewer/rpc/mesh/points/schemas/vertex_color_map.py b/src/opengeodeweb_viewer/rpc/mesh/points/schemas/vertex_color_map.py
@@ -9,4 +9,5 @@ def __post_init__(self) -> None:
         print(self, flush=True)
 
     id: str
-    points: List[List[float]]
+    points: List[float]
+    """Flat array of [value, r, g, b, ...]"""
diff --git a/src/opengeodeweb_viewer/rpc/mesh/polygons/schemas/polygon_color_map.json b/src/opengeodeweb_viewer/rpc/mesh/polygons/schemas/polygon_color_map.json
@@ -8,16 +8,11 @@
     },
     "points": {
       "type": "array",
+      "description": "Flat array of [value, r, g, b, ...]",
       "items": {
-        "type": "array",
-        "description": "[value, r, g, b]",
-        "items": {
-          "type": "number"
-        },
-        "minItems": 4,
-        "maxItems": 4
+        "type": "number"
       },
-      "minLength": 2
+      "minItems": 8
     }
   },
   "required": ["id", "points"],

diff --git a/src/opengeodeweb_viewer/rpc/mesh/polygons/schemas/polygon_color_map.py b/src/opengeodeweb_viewer/rpc/mesh/polygons/schemas/polygon_color_map.py
@@ -9,4 +9,5 @@ def __post_init__(self) -> None:
         print(self, flush=True)
 
     id: str
-    points: List[List[float]]
+    points: List[float]
+    """Flat array of [value, r, g, b, ...]"""
diff --git a/src/opengeodeweb_viewer/rpc/mesh/polygons/schemas/vertex_color_map.json b/src/opengeodeweb_viewer/rpc/mesh/polygons/schemas/vertex_color_map.json
@@ -8,16 +8,11 @@
     },
     "points": {
       "type": "array",
+      "description": "Flat array of [value, r, g, b, ...]",
       "items": {
-        "type": "array",
-        "description": "[value, r, g, b]",
-        "items": {
-          "type": "number"
-        },
-        "minItems": 4,
-        "maxItems": 4
+        "type": "number"
       },
-      "minLength": 2
+      "minItems": 8
     }
   },
   "required": ["id", "points"],

diff --git a/src/opengeodeweb_viewer/rpc/mesh/polygons/schemas/vertex_color_map.py b/src/opengeodeweb_viewer/rpc/mesh/polygons/schemas/vertex_color_map.py
@@ -9,4 +9,5 @@ def __post_init__(self) -> None:
         print(self, flush=True)
 
     id: str
-    points: List[List[float]]
+    points: List[float]
+    """Flat array of [value, r, g, b, ...]"""
diff --git a/src/opengeodeweb_viewer/rpc/mesh/polyhedra/schemas/polyhedra_color_map.json b/src/opengeodeweb_viewer/rpc/mesh/polyhedra/schemas/polyhedra_color_map.json
@@ -8,16 +8,11 @@
     },
     "points": {
       "type": "array",
+      "description": "Flat array of [value, r, g, b, ...]",
       "items": {
-        "type": "array",
-        "description": "[value, r, g, b]",
-        "items": {
-          "type": "number"
-        },
-        "minItems": 4,
-        "maxItems": 4
+        "type": "number"
       },
-      "minLength": 2
+      "minItems": 8
     }
   },
   "required": ["id", "points"],
Original file line number	Diff line number	Diff line change
Expand Up		@@ -61,4 +61,3 @@ wslink==1.12.4
		yarl>=1
		# via aiohttp

		opengeodeweb-microservice==1.*,>=1.0.13rc1