geos::operation::distance::ConnectedElementLocationFilter Class Reference

A ConnectedElementPointFilter extracts a single point from each connected element in a Geometry (e.g. a polygon, linestring or point) and returns them in a list. Empty geometries do not provide a location item. More...

#include <ConnectedElementLocationFilter.h>

Inheritance diagram for geos::operation::distance::ConnectedElementLocationFilter:

Public Member Functions
void	filter_ro (const geom::Geometry *geom) override
void	filter_rw (geom::Geometry *geom) override

Static Public Member Functions
static std::vector< GeometryLocation >	getLocations (const geom::Geometry *geom)
	Returns a list containing a point from each Polygon, LineString, and Point found inside the specified geometry.

Detailed Description

A ConnectedElementPointFilter extracts a single point from each connected element in a Geometry (e.g. a polygon, linestring or point) and returns them in a list. Empty geometries do not provide a location item.

The elements of the list are GeometryLocation.

Empty geometries do not provide a location item.

Member Function Documentation

filter_ro()

void geos::operation::distance::ConnectedElementLocationFilter::filter_ro ( const geom::Geometry *  geom )

overridevirtual

Reimplemented from geos::geom::GeometryFilter.

filter_rw()

void geos::operation::distance::ConnectedElementLocationFilter::filter_rw ( geom::Geometry *  geom )

overridevirtual

Reimplemented from geos::geom::GeometryFilter.

getLocations()

static std::vector< GeometryLocation > geos::operation::distance::ConnectedElementLocationFilter::getLocations ( const geom::Geometry *  geom )

static

Returns a list containing a point from each Polygon, LineString, and Point found inside the specified geometry.

Thus, if the specified geometry is not a GeometryCollection, an empty list will be returned. The elements of the list are GeometryLocations.

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The documentation for this class was generated from the following file:

• ConnectedElementLocationFilter.h