A rectangle specified with double values.
Deletes the geometries in mCachedGeometries.
Extent for which there are cached geometries.
A geometry is the spatial representation of a feature.
bool geometry(QgsFeatureId fid, QgsGeometry &geometry)
fetch geometry from cache, return true if successful
Cache of the committed geometries retrieved for the current display
void cacheGeometry(QgsFeatureId fid, const QgsGeometry &geom)
store a geometry in the cache