ArcObjects Library Reference (GeoDatabase)  

ITinAdvanced2.GetLeftTriangleIndex Method

Gets left triangle index of the specified edge.

[Visual Basic .NET]
Public Function GetLeftTriangleIndex ( _
    ByVal edgeIndex As Integer _
) As Integer
public int GetLeftTriangleIndex (
    int edgeIndex
HRESULT GetLeftTriangleIndex(
  long edgeIndex,
  long* pTriangle


edgeIndex [in]   edgeIndex is a parameter of type long pTriangle [out, retval]   pTriangle is a parameter of type long

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.


Returns the index of the triangle on the left side of the specified edge. Note that edges of triangles are ordered clockwise.

If the edge is on the extreme perimeter of the TIN, the returned index will equal 0, meaning no triangle, as the base index for triangles is 1.

See Also

ITinAdvanced2 Interface