GEOS 3.11.1
ConnectedElementLocationFilter.h
1/**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2006 Refractions Research Inc.
7 *
8 * This is free software; you can redistribute and/or modify it under
9 * the terms of the GNU Lesser General Public Licence as published
10 * by the Free Software Foundation.
11 * See the COPYING file for more information.
12 *
13 **********************************************************************
14 *
15 * Last port: operation/distance/ConnectedElementLocationFilter.java b98e8234
16 *
17 **********************************************************************/
18
19#pragma once
20
21#include <geos/export.h>
22
23#include <geos/geom/GeometryFilter.h> // for inheritance
24#include <geos/operation/distance/GeometryLocation.h>
25
26#include <memory>
27#include <vector>
28
29// Forward declarations
30namespace geos {
31namespace geom {
32class Geometry;
33}
34}
35
36
37namespace geos {
38namespace operation { // geos::operation
39namespace distance { // geos::operation::distance
40
51private:
52
53 std::vector<std::unique_ptr<GeometryLocation>> locations;
57public:
66 static std::vector<std::unique_ptr<GeometryLocation>> getLocations(const geom::Geometry* geom);
67
68 void filter_ro(const geom::Geometry* geom) override;
69 void filter_rw(geom::Geometry* geom) override;
70};
71
72
73} // namespace geos::operation::distance
74} // namespace geos::operation
75} // namespace geos
76
Geometry classes support the concept of applying a Geometry filter to the Geometry.
Definition: GeometryFilter.h:45
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:186
A ConnectedElementPointFilter extracts a single point from each connected element in a Geometry (e....
Definition: ConnectedElementLocationFilter.h:50
static std::vector< std::unique_ptr< GeometryLocation > > getLocations(const geom::Geometry *geom)
Returns a list containing a point from each Polygon, LineString, and Point found inside the specified...
Basic namespace for all GEOS functionalities.
Definition: geos.h:39