Creates a Named Seed object by doing a fast Boolean operation with existing TopoPolygon Items.
Visual Basic |
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Public Function TopoCreateBoolean( _ ByVal seed As String, _ ByVal list As String, _ ByVal boolop As Integer _ ) As Integer |
SIS_BOOLEAN_AND
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Get the overlap Named Seed between the TopoPolygon Items in list. |
SIS_BOOLEAN_OR
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Merge the TopoPolygon Items in list into a single Named Seed object. |
SIS_BOOLEAN_XOR
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Form the Named Seed made up of alternate overlapping sub-areas of the TopoPolygon Items in list. |
SIS_BOOLEAN_DIFF
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Take bites out of the dominant TopoPolygon in list using the other TopoPolygon Items in list. |
Available: GEO ME MD OD SISpy
Group:
sis.TopoCreateBoolean ("County", "PolysFound", SIS_BOOLEAN_DIFF)
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