ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / LasStretchRendererDefinition Class / NumberOfStandardDeviations Property
Example Version

NumberOfStandardDeviations Property
The number of standard deviations. Default value is 2.0.
Syntax
public double NumberOfStandardDeviations {get; set;}
Remarks
Example
LAS Points Elevation Stretch Renderer
// applies to LAS dataset layers only

var elevLasStretchRendererDef = new LasStretchRendererDefinition(ArcGIS.Core.CIM.LASStretchAttribute.Elevation);
// accept the defaults for color ramp, etc

if (lasDatasetLayer.CanCreateRenderer(elevLasStretchRendererDef))
{
  CIMTinRenderer renderer = lasDatasetLayer.CreateRenderer(elevLasStretchRendererDef);
  if (lasDatasetLayer.CanSetRenderer(renderer, SurfaceRendererTarget.Points))
    lasDatasetLayer.SetRenderer(renderer, SurfaceRendererTarget.Points);
}


// OR use a stretch renderer with stretchType standard Deviations
var elevLasStretchStdDevRendererDef = new LasStretchRendererDefinition(ArcGIS.Core.CIM.LASStretchAttribute.Elevation);
elevLasStretchStdDevRendererDef.StretchType = LASStretchType.StandardDeviations;
elevLasStretchStdDevRendererDef.NumberOfStandardDeviations = 2;
// accept the defaults for color ramp,  etc

if (lasDatasetLayer.CanCreateRenderer(elevLasStretchStdDevRendererDef))
{
  CIMTinRenderer renderer = lasDatasetLayer.CreateRenderer(elevLasStretchStdDevRendererDef);
  if (lasDatasetLayer.CanSetRenderer(renderer, SurfaceRendererTarget.Points))
    lasDatasetLayer.SetRenderer(renderer, SurfaceRendererTarget.Points);
}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3.2 or higher.
See Also