isEmpty property

bool isEmpty

True if this geometry is considered empty without data or coordinates.

Emptiness is a concept of geospatial data. A geometry object is non-null but without data or coordinates set to meaningful values. In practice try to avoid having empty geometry primitives (like point, linestring, polygon), but if a data source contains them you can use geometries with isEmpty flag set to true for such objects. For series of geometries emptiness means that a series contains zero items.

See also WKT for description of EMPTY geometries.

Implementation

bool get isEmpty;