UnclassedColorsRendererDefinition Constructor(String,CIMSymbolReference,CIMColorRamp,String,String,Double,Double)

In This Topic

Create a UnclassedColorsRendererDefinition.

Syntax

C#
Visual Basic (Declaration)

public UnclassedColorsRendererDefinition( 
   string field,
   CIMSymbolReference symbolTemplate,
   CIMColorRamp colorRamp,
   string upperLabel,
   string lowerLabel,
   double upperColorStop,
   double lowerColorStop
)

Public Function New( _
   ByVal field As String, _
   ByVal symbolTemplate As CIMSymbolReference, _
   ByVal colorRamp As CIMColorRamp, _
   ByVal upperLabel As String, _
   ByVal lowerLabel As String, _
   ByVal upperColorStop As Double, _
   ByVal lowerColorStop As Double _
)

Parameters

field: Name of the field used in the renderer.
symbolTemplate: A template for symbol used in the renderer.
colorRamp: A color ramp to apply to those classes.
upperLabel: A string used in the legend to denote the maximum value in the color scheme.
lowerLabel: A string used in the legend to denote the minimum value in the color scheme.
upperColorStop: The upper color stop for the histogram used in the renderer.
lowerColorStop: The lower color stop for the histogram used in the renderer.

Example

Create an Unclassed Renderer

string colorBrewerSchemesName = "ArcGIS Colors";
StyleProjectItem style = Project.Current.GetItems<StyleProjectItem>().First(s => s.Name == colorBrewerSchemesName);
string colorRampName = "Heat Map 4 - Semitransparent";
IList<ColorRampStyleItem> colorRampList = await QueuedTask.Run(() =>
{
  return style.SearchColorRamps(colorRampName);
});
ColorRampStyleItem colorRamp = colorRampList[0];

await QueuedTask.Run(() =>
{
  CIMPointSymbol pointSym = SymbolFactory.Instance.ConstructPointSymbol(ColorFactory.Instance.GreenRGB, 16.0, SimpleMarkerStyle.Diamond);
  CIMSymbolReference symbolPointTemplate = pointSym.MakeSymbolReference();

  //defining an unclassed renderer with custom upper and lower stops
  //all features with value >= 5,000,000 will be drawn with the upper color from the color ramp
  //all features with value <= 50,000 will be drawn with the lower color from the color ramp
  UnclassedColorsRendererDefinition unclassRndrDef = new UnclassedColorsRendererDefinition
                              ("Population", symbolPointTemplate, colorRamp.ColorRamp, "Highest", "Lowest", 5000000, 50000)
  {

    //drawing features with null values with a different symbol
    ShowNullValues = true,
    NullValueLabel = "Unknown"
  };
  CIMPointSymbol nullSym = SymbolFactory.Instance.ConstructPointSymbol(ColorFactory.Instance.RedRGB, 16.0, SimpleMarkerStyle.Circle);
  unclassRndrDef.NullValueSymbol = nullSym.MakeSymbolReference();
  FeatureLayer flyr = MapView.Active.Map.Layers[0] as FeatureLayer;
  CIMClassBreaksRenderer cbRndr = flyr.CreateRenderer(unclassRndrDef) as CIMClassBreaksRenderer;
  flyr.SetRenderer(cbRndr);
});

Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

Reference

UnclassedColorsRendererDefinition Class
UnclassedColorsRendererDefinition Members
Overload List

Send feedback