Conditional render option and HAG colormap (#94)

* Add conditions on mosaic info render options
* Add lidar hag alternative colormap

pccommon/pccommon/config/collections.py

@@ -138,6 +138,22 @@ class LegendConfig(CamelModel):
     scale_factor: Optional[float]
 
 
+class RenderOptionCondition(CamelModel):
+    """
+    Defines a property/value condition for a render config to be enabled
+
+    Attributes
+    ----------
+    property:
+        The property to check.
+    value:
+        The value to check against.
+    """
+
+    property: str
+    value: Any
+
+
 class RenderOptions(CamelModel):
     """
     Defines a set of map-tile render options for a collection.
@@ -158,13 +174,17 @@ class RenderOptions(CamelModel):
         Zoom level at which to start rendering the layer.
     legend:
         An optional legend configuration.
+    conditions:
+        A list of property/value conditions that must be in the active mosaic
+        CQL for this render option to be enabled
     """
 
     name: str
     description: Optional[str] = None
     options: str
     min_zoom: int
     legend: Optional[LegendConfig] = None
+    conditions: Optional[List[RenderOptionCondition]] = None
 
 
 class DefaultLocation(CamelModel):

pccommon/tests/config/test_mosaic_info.py

@@ -21,6 +21,7 @@ def test_parse() -> None:
                 "description": "Elevation...",
                 "options": "assets=data&rescale=-1000,4000&colormap_name=terrain",
                 "minZoom": 8,
+                "conditions": [{"property": "mode", "value": "Q"}],
             },
             {
                 "name": "Elevation (viridis)",

pctiler/pctiler/colormaps/lidarusgs.py

@@ -49,6 +49,24 @@
         ((6, 7), (10, 84, 158, 255)),
         ((7, 100), (8, 48, 107, 255)),
     ],
+    "lidar-hag-alternative": [
+        ((-900, 0), (0, 0, 0, 0)),
+        ((0, 1), (11, 44, 122, 255)),
+        ((1, 2), (19, 87, 133, 255)),
+        ((2, 4), (26, 129, 143, 255)),
+        ((4, 6), (31, 156, 137, 255)),
+        ((6, 8), (22, 181, 104, 255)),
+        ((8, 10), (10, 204, 46, 255)),
+        ((10, 12), (33, 222, 0, 255)),
+        ((12, 14), (123, 237, 0, 255)),
+        ((14, 16), (221, 250, 0, 255)),
+        ((16, 18), (250, 229, 5, 255)),
+        ((18, 20), (242, 192, 12, 255)),
+        ((20, 22), (237, 164, 19, 255)),
+        ((22, 25), (224, 129, 34, 255)),
+        ((25, 30), (209, 102, 48, 255)),
+        ((30, 100), (194, 82, 60, 255)),
+    ],
     "lidar-intensity": [
         ((-900, 1), (0, 0, 0, 0)),
         ((1, 2), (16, 16, 16, 255)),