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geoIsValid( "Well Known Text" geometryValue ), Tests whether the left geometry is topologically valid, according to the OGC SFS specifications. |
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If passed a string the geometry functions will automatically convert it into a geometry object.
Syntax
geoIsValid( "Well Known Text" geometryValue )
| Argument | Type | Description |
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| Well Known TextgeometryValue | WTK String Well known text (WKT) is a text mark-up language for representing vector geometry objectsor Geometry Object | The geometry used by the calculation to determine if it is topologically valid. |
Examples
geoIsValid(30.10"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.
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