78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
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/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2022 Paul Ramsey <pramsey@cleverelephant.ca>
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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**********************************************************************/
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#pragma once
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#include <geos/export.h>
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#include <vector>
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#include <memory>
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// Forward declarations
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namespace geos {
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namespace geom {
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class Geometry;
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}
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}
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using geos::geom::Geometry;
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namespace geos { // geos
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namespace coverage { // geos::coverage
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/**
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* Unions a polygonal coverage in an efficient way.
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*
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* Valid polygonal coverage topology allows merging polygons in a very efficient way.
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*
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* @author Martin Davis
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*
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*/
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class GEOS_DLL CoverageUnion {
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private:
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public:
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/**
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* Unions a polygonal coverage.
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*
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* @param coverage a vector of polygons in the coverage
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* @return the union of the coverage polygons
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*/
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static std::unique_ptr<Geometry> Union(std::vector<const Geometry*>& coverage);
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/**
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* Unions a polygonal coverage.
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*
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* @param coverage a collection of the polygons in the coverage
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* @return the union of the coverage polygons
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*/
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static std::unique_ptr<Geometry> Union(const Geometry* coverage);
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};
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} // namespace geos::coverage
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} // namespace geos
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