All Cadcorp SIS API Methods

TopoCombineNamedSeeds Method

Description

Creates a Named Seed object by using a Boolean operation on an existing Named Seed Object.

Syntax

Public Function TopoCombineNamedSeeds( _
   ByVal seedOutput As String, _
   ByVal seed1 As String, _
   ByVal seed2 As String, _
   ByVal boolop As Integer _
) As Integer

Parameters

seedOutput

The new Named Seed object, which will be a TopoPolygon item.

 

seed1

The Named Seed object, which must be a TopoPolygon Item in the same dataset, to combine.

 

seed2

The Named Seed object, which must be a TopoPolygon Item in the same dataset, to combine.

 

boolop

SIS_BOOLEAN_AND	Get the overlap Named Seed between the Named Seeds seed1 and seed2.
SIS_BOOLEAN_OR	Merge the Named Seeds seed1 and seed2 into a single Named Seed object.
SIS_BOOLEAN_XOR	Form the Named Seed made up of alternate overlapping sub-Named Seeds of the Named Seeds seed1 and seed2.
SIS_BOOLEAN_DIFF	Take bites out of seed1 using seed2.
SIS_REVERSE	Reverse seed1 (seed2 must be an empty string).
SIS_FORCE_POSITIVE	Reverse seed1 if it has a negative area (seed2 must be an empty string).

Remarks

Available: GEO MD OD SISpy

Group:

• Topology Methods

Example

sis.TopoCombineNamedSeeds ("County", "District1", "District2", SIS_BOOLEAN_OR)

Displays the named seed County. To display the newly created named seed County as a polygon, use the TopoCreatePolygon method.