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Excerpt
hiddentrue

geoIsValid(Geometry value), Tests whether the left geometry is topologically valid, according to the OGC SFS specifications.

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ArgumentTypeDescription
geometryValue

WTK String or

Geometry Object

The geometry used by the calculation to determine if it is topologically valid.

Examples

geoIsValid("POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))")

Returns a Boolean true if the geometry is topologically valid, according to the OGC SFS specifications.


See Also