30 return error.isEmpty();
@ AllowSelfTouchingHoles
Indicates that self-touching holes are permitted. OGC validity states that self-touching holes are NO...
QFlags< GeometryValidityFlag > GeometryValidityFlags
Geometry validity flags.
virtual void clearCache() const
Clears any cached parameters associated with the geometry, e.g., bounding boxes.
A 3-dimensional box composed of x, y, z coordinates.
Does vector analysis using the geos library and handles import, export, exception handling*.
void clearCache() const override
Clears any cached parameters associated with the geometry, e.g., bounding boxes.
QString mValidityFailureReason
bool isValid(QString &error, Qgis::GeometryValidityFlags flags=Qgis::GeometryValidityFlags()) const override
Checks validity of the geometry, and returns true if the geometry is valid.
Contains geos related utilities and functions.