gdlFindNextPolygonOverlapPercentage - geographicdeterminationlibrary - 2024.00

Geographic Determination Library Reference for Windows and z/OS

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GeoStan Geocoding Suite > Geographic Determination Library
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2024.00
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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 percentage polygon overlap has occurred, returning the polygon and the percentage overlap with the input polygon.

Syntax

intl gdlFindNextPolygonOverlapPercentage( gdlFileHandle hFile, gdlShape* output, double* overlap );

Arguments

hFile

The gdlFileHandle returned by gdlOpenSpatialFile. Input.

output

A pointer to the overlapping polygon. Output.

overlap

The percentage of overlap. Output.

Return values

GDL_NOT_FOUND

GDL_ERROR

GDL_OK

Prerequisites

gdlFindPolygonOverlapPercentage

Alternates

gdlFindNextPolygonOverlap

Notes

The percentage overlap determines the confidence rating.

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.