ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Data.Analyst3D Namespace / TinEdge Class / GetPreviousEdgeInTriangle Method
Example Version

GetPreviousEdgeInTriangle Method
Gets the previous edge in the triangle. The previous edge is counter-clockwise to this TIN edge. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public TinEdge GetPreviousEdgeInTriangle()

Return Value

Exceptions
ExceptionDescription
This method or property must be called within the lambda passed to QueuedTask.Run
Example
TIN Edges
// nodes of the edge
var nodes = edge.Nodes;

// edge geometry
var polyline = edge.ToPolyline();
// edge length
var length = edge.Length;
// is the edge "inside"
var isInsideEdge = edge.IsInsideDataArea;
// edge type - regular/hard/soft
var edgeType = edge.EdgeType;

// get next (clockwise) edge in the triangle
var nextEdge = edge.GetNextEdgeInTriangle();
// get previous (anti-clockwise) edge in the triangle
var prevEdge = edge.GetPreviousEdgeInTriangle();

// get opposite edge
var oppEdge = edge.GeNeighbor();

// get left triangle
var leftTriangle = edge.LeftTriangle;
// get right triangle
var rightTriangle = edge.RightTriangle;
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3.2 or higher.
See Also