TopoCreateBoolean Method
Description
Creates a Named Seed object by doing a fast Boolean operation with existing TopoPolygon Items.
Syntax
Visual Basic |
---|
Public Function TopoCreateBoolean( _ ByVal seed As String, _ ByVal list As String, _ ByVal boolop As Integer _ ) As Integer |
Parameters
- seed
- The new Named Seed object, which will be a TopoPolygon item.
- list
- A Named List containing the TopoPolygon Items, which must all be in the same dataset, to combine.
- boolop
-
SIS_BOOLEAN_AND
Get the overlap Named Seed between the TopoPolygon Items in list. SIS_BOOLEAN_OR
Merge the TopoPolygon Items in list into a single Named Seed object. SIS_BOOLEAN_XOR
Form the Named Seed made up of alternate overlapping sub-areas of the TopoPolygon Items in list. SIS_BOOLEAN_DIFF
Take bites out of the dominant TopoPolygon in list using the other TopoPolygon Items in list.
Remarks
Available: GEO D OD SISpy
Group:
Example
sis.TopoCreateBoolean ("County", "PolysFound", SIS_BOOLEAN_DIFF)