GEOS 3.13.1
geos::geom::util::PolygonExtracter Class Reference

#include <PolygonExtracter.h>

Inheritance diagram for geos::geom::util::PolygonExtracter:
geos::geom::GeometryFilter

Public Member Functions

 PolygonExtracter (std::vector< const Polygon * > &newComps)
void filter_rw (Geometry *geom) override
void filter_ro (const Geometry *geom) override

Static Public Member Functions

static void getPolygons (const Geometry &geom, std::vector< const Polygon * > &ret)

Detailed Description

Extracts all the 2-dimensional (Polygon) components from a Geometry.

Constructor & Destructor Documentation

◆ PolygonExtracter()

geos::geom::util::PolygonExtracter::PolygonExtracter ( std::vector< const Polygon * > & newComps)

Constructs a PolygonExtracterFilter with a list in which to store Polygons found.

References PolygonExtracter().

Referenced by PolygonExtracter().

Member Function Documentation

◆ filter_ro()

void geos::geom::util::PolygonExtracter::filter_ro ( const Geometry * geom)
overridevirtual

Reimplemented from geos::geom::GeometryFilter.

◆ filter_rw()

void geos::geom::util::PolygonExtracter::filter_rw ( Geometry * geom)
overridevirtual

Reimplemented from geos::geom::GeometryFilter.

◆ getPolygons()

void geos::geom::util::PolygonExtracter::getPolygons ( const Geometry & geom,
std::vector< const Polygon * > & ret )
static

Pushes the Polygon components from a single geometry into the provided vector. If more than one geometry is to be processed, it is more efficient to create a single PolygonExtracterFilter instance and pass it to multiple geometries.


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