/// <summary>
/// Applies the Unique Value colorizer to the basic raster layer.
/// </summary>
/// <param name="basicRasterLayer">The basic raster layer is either a raster or image service layer, or the image sub-layer of the mosaic layer.</param>
/// <returns></returns>
public static async Task SetToUniqueValueColorizer(BasicRasterLayer basicRasterLayer)
{
// Creates a new UV Colorizer Definition using the default constructor.
UniqueValueColorizerDefinition UVColorizerDef = new UniqueValueColorizerDefinition();
// Creates a new UV colorizer using the colorizer definition created above.
CIMRasterUniqueValueColorizer newColorizer = await basicRasterLayer.CreateColorizerAsync(UVColorizerDef) as CIMRasterUniqueValueColorizer;
// Sets the newly created colorizer on the layer.
await QueuedTask.Run(() =>
{
basicRasterLayer.SetColorizer(newColorizer);
});
}
public static async Task SetToUniqueValueColorizer(string layerName, string styleCategory,
string styleName, string fieldName)
{
// Get the layer we want to symbolize from the map
Layer oLayer =
MapView.Active.Map.Layers.FirstOrDefault <Layer>(m => m.Name.Equals(layerName, StringComparison.CurrentCultureIgnoreCase));
if (oLayer == null)
{
return;
}
RasterLayer rasterLayer = (RasterLayer)oLayer;
StyleProjectItem style =
Project.Current.GetItems <StyleProjectItem>().FirstOrDefault(s => s.Name == styleCategory);
if (style == null)
{
return;
}
var colorRampList = await QueuedTask.Run(() => style.SearchColorRamps(styleName));
if (colorRampList == null || colorRampList.Count == 0)
{
return;
}
CIMColorRamp cimColorRamp = colorRampList[0].ColorRamp;
// Creates a new UV Colorizer Definition using the default constructor.
UniqueValueColorizerDefinition UVColorizerDef = new UniqueValueColorizerDefinition(fieldName, cimColorRamp);
// Creates a new UV colorizer using the colorizer definition created above.
CIMRasterUniqueValueColorizer newColorizer = await rasterLayer.CreateColorizerAsync(UVColorizerDef) as CIMRasterUniqueValueColorizer;
// Sets the newly created colorizer on the layer.
await QueuedTask.Run(() =>
{
rasterLayer.SetColorizer(MapTools.RecalculateColorizer(newColorizer));
});
}
