AutoCAD Map 3D 2009 Geospatial Platform Reference

From AutoCAD Map 3D Geospatial Platform API

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GetGeometryType

SymetricDifference

virtual MgGeometry* MgGeometry::Difference ( MgGeometry * other ) [virtual]

Returns a geometry that represents a point set difference between this geometric entity and another.

.NET Syntax

virtual MgGeometry Difference(MgGeometry other);

Java Syntax

virtual MgGeometry Difference(MgGeometry other);

PHP Syntax

virtual MgGeometry Difference(MgGeometry other);

Parameters:

other

(MgGeometry) The MgGeometry to subtract from this one.

Returns:: An MgGeometry representing the difference.

Illustration

if (Geom1.Disjoint(Geom2) == True) then Geom1.Difference(Geom2) = Geom1.
if (Geom1.Touches(Geom2) == True) then Geom1.Difference(Geom2) = Geom1.
if (Geom1.Crosses(Geom2) == True) then

if (Geom1.Within(Geom2) == True) then

if (A.Overlaps(B) == True) then

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