TerrainDirtyAreaRendererDefinition Class
Represents a simple renderer definition to draw dirty areas in a surface layer with a common symbol.
Create a TerrainLayer with renderers
//Must be on the QueuedTask.Run()
var terrainCP_renderers = new TerrainLayerCreationParams(terrain);
terrainCP_renderers.Name = "My LAS Layer";
terrainCP_renderers.IsVisible = true;
// define the edge type renderer - use defaults
var edgeRD = new TinBreaklineRendererDefinition();
// define the face/surface renderer
var faceRD = new TinFaceClassBreaksRendererDefinition();
faceRD.ClassificationMethod = ClassificationMethod.NaturalBreaks;
// accept default color ramp, breakCount
// define the dirty area renderer - use defaults
var dirtyAreaRD = new TerrainDirtyAreaRendererDefinition();
// add renderers to dictionary
var t_dict = new Dictionary<SurfaceRendererTarget, TinRendererDefinition>();
t_dict.Add(SurfaceRendererTarget.Edges, edgeRD);
t_dict.Add(SurfaceRendererTarget.Surface, faceRD);
t_dict.Add(SurfaceRendererTarget.DirtyArea, dirtyAreaRD);
// assign dictionary to creation params
terrainCP_renderers.RendererDefinitions = t_dict;
//Create the layer to the terrain
var terrainLayer_rd = LayerFactory.Instance.CreateLayer<TerrainLayer>(terrainCP_renderers, map);
Dirty Area Renderer
// applies to Terrain layers only
var dirtyAreaRendererDef = new TerrainDirtyAreaRendererDefinition();
// accept default labels, symbolTemplate
var terrainLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<TerrainLayer>().FirstOrDefault();
if (terrainLayer == null)
return;
if (terrainLayer.CanCreateRenderer(dirtyAreaRendererDef))
{
CIMTinRenderer renderer = terrainLayer.CreateRenderer(dirtyAreaRendererDef);
if (terrainLayer.CanSetRenderer(renderer, SurfaceRendererTarget.DirtyArea))
terrainLayer.SetRenderer(renderer, SurfaceRendererTarget.DirtyArea);
}
Target Platforms: Windows 11, Windows 10
ArcGIS Pro version: 3.2 or higher.