ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / SurfaceValues Class / AspectDegrees Property
Example Version

AspectDegrees Property
Gets the aspect in degrees.
Syntax
public double AspectDegrees {get;}
Remarks
Aspect is defined as the direction of steepest slope. The possible range of values falls between 0.0 and 360. 0.0 represents a north facing slope with increasing values changing aspect in a clockwise direction. For example, 90 degrees is due east, 180 degrees due south, and 270 degrees due west.
Example
Get Elevation, Slope, Aspect from TIN layer at a location
var tinLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<TinLayer>().FirstOrDefault();
await QueuedTask.Run(() =>
{
  // get elevation, slope and aspect values
  SurfaceValues values = tinLayer.GetSurfaceValues(mapPoint);
  var elev = values.Elevation;
  var slopeRadians = values.Slope;
  var slopeDegrees = values.SlopeDegrees;
  var slopePercent = values.SlopePercent;
  var aspectRadians = values.Aspect;
  var aspectDegrees = values.AspectDegrees;
});
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3.4 or higher.
See Also