Hi,I need to know if two TINs intersect each other and I am getting an Access Violation Exception: "Attempted to read or write protected memory this is often an indication that other memory is corrupt." when I use iRelationalOperator3D.disjoint3d or .IsNear3D in this code: Dim pTriangleED As IPolygon4
Dim pTinPolygonED As ITinPolygon
Dim pTriangleING As IPolygon4
Dim pTinPolygonING As ITinPolygon
Dim pRelOp3D As IRelationalOperator3D2
Dim intersection As Boolean
For i = 1 To pTinAdvTed.TriangleCount
If pTinAdvTed.GetTriangle(i).IsInsideDataArea Then
pTinPolygonED = pTinAdvTed.ExtractPolygon(pTinAdvTed.GetTriangle(i), Nothing, False)
pTriangleED = pTinPolygonED.AsPolygon(Nothing, True)
For j = 1 To pTinAdvTing.TriangleCount
If pTinAdvTing.GetTriangle(j).IsInsideDataArea Then
pTinPolygonING = pTinAdvTing.ExtractPolygon(pTinAdvTing.GetTriangle(i), Nothing, False)
pTriangleING = pTinPolygonING.AsPolygon(Nothing, True)
pRelOp3D = pTriangleED
intersection = pRelOp3D.IsNear3D(pTriangleING, 0)
MsgBox(intersection)
End If
Next
End If
Next
Any idea why???Thanks!!! Mar