100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
/**********************************************************************
|
|
*
|
|
* GEOS - Geometry Engine Open Source
|
|
* http://geos.osgeo.org
|
|
*
|
|
* Copyright (C) 2013-2020 Sandro Santilli <strk@kbt.io>
|
|
* Copyright (C) 2006 Refractions Research Inc.
|
|
*
|
|
* This is free software; you can redistribute and/or modify it under
|
|
* the terms of the GNU Lesser General Public Licence as published
|
|
* by the Free Software Foundation.
|
|
* See the COPYING file for more information.
|
|
*
|
|
**********************************************************************
|
|
*
|
|
* Last port: ORIGINAL WORK
|
|
*
|
|
**********************************************************************/
|
|
|
|
#pragma once
|
|
|
|
#include <geos/export.h>
|
|
#include <geos/geom/Geometry.h>
|
|
#include <geos/geom/Dimension.h>
|
|
|
|
|
|
#include <memory> // for unique_ptr
|
|
#include <vector>
|
|
|
|
|
|
namespace geos {
|
|
namespace geom {
|
|
class Geometry;
|
|
class GeometryFactory;
|
|
}
|
|
}
|
|
|
|
|
|
namespace geos {
|
|
namespace geom { // geos::geom
|
|
|
|
std::unique_ptr<Geometry> GEOS_DLL
|
|
HeuristicOverlay(const Geometry* g0, const Geometry* g1, int opCode);
|
|
|
|
class StructuredCollection {
|
|
|
|
public:
|
|
|
|
StructuredCollection(const Geometry* g)
|
|
: factory(g->getFactory())
|
|
, pt_union(nullptr)
|
|
, line_union(nullptr)
|
|
, poly_union(nullptr)
|
|
{
|
|
readCollection(g);
|
|
unionByDimension();
|
|
};
|
|
|
|
StructuredCollection()
|
|
: factory(nullptr)
|
|
, pt_union(nullptr)
|
|
, line_union(nullptr)
|
|
, poly_union(nullptr)
|
|
{};
|
|
|
|
void readCollection(const Geometry* g);
|
|
const Geometry* getPolyUnion() const { return poly_union.get(); }
|
|
const Geometry* getLineUnion() const { return line_union.get(); }
|
|
const Geometry* getPointUnion() const { return pt_union.get(); }
|
|
|
|
std::unique_ptr<Geometry> doUnion(const StructuredCollection& a) const;
|
|
std::unique_ptr<Geometry> doIntersection(const StructuredCollection& a) const;
|
|
std::unique_ptr<Geometry> doSymDifference(const StructuredCollection& a) const;
|
|
std::unique_ptr<Geometry> doDifference(const StructuredCollection& a) const;
|
|
std::unique_ptr<Geometry> doUnaryUnion() const;
|
|
|
|
static void toVector(const Geometry* g, std::vector<const Geometry*>& v);
|
|
void unionByDimension(void);
|
|
|
|
|
|
private:
|
|
|
|
const GeometryFactory* factory;
|
|
std::vector<const Geometry*> pts;
|
|
std::vector<const Geometry*> lines;
|
|
std::vector<const Geometry*> polys;
|
|
std::unique_ptr<Geometry> pt_union;
|
|
std::unique_ptr<Geometry> line_union;
|
|
std::unique_ptr<Geometry> poly_union;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
} // namespace geos::geom
|
|
} // namespace geos
|
|
|