gdlFindNextPolygonOverlap - geographicdeterminationlibrary - 2024.00

Geographic Determination Library Reference for Windows and z/OS

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GeoStan Geocoding Suite
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GeoStan Geocoding Suite > Geographic Determination Library
Version
2024.00
Language
English
Product name
GeoStan Geocoding Suite
Title
Geographic Determination Library Reference for Windows and z/OS
Topic type
Reference
Copyright
2024
First publish date
1994
ft:lastEdition
2024-05-09
ft:lastPublication
2024-05-09T00:55:21.277227

Determines if another binary polygon overlap has occurred and, if so, returns the polygon that is in overlap with the input polygon.

Syntax

intl gdlFindNextPolygonOverlap( gdlFileHandle hFile, gdlShape* output );

Arguments

hFile

The gdlFileHandle returned by gdlOpenSpatialFile. Input.

output

A pointer to the overlapping polygon. Output.

Return values

GDL_NOT_FOUND

GDL_ERROR

GDL_OK

Prerequisites

gdlFindPolygonOverlap

Alternates

gdlFindNextPolygonOverlapPercentage

Notes

Following instances of this function, you should call gdlShapeFree with the output polygon when you are finished using the output polygon to release system resources.