71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/**********************************************************************
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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) 2020 Sandro Santilli <strk@kbt.io>
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* Copyright (C) 2006 Refractions Research Inc.
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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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**********************************************************************
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*
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* Last port: geom/prep/PreparedLineString.java rev 1.3 (JTS-1.10)
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*
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**********************************************************************/
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#pragma once
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#include <geos/geom/prep/BasicPreparedGeometry.h> // for inheritance
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#include <geos/noding/SegmentString.h>
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#include <geos/noding/FastSegmentSetIntersectionFinder.h>
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#include <geos/operation/distance/IndexedFacetDistance.h>
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#include <memory>
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namespace geos {
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namespace geom { // geos::geom
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namespace prep { // geos::geom::prep
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/**
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* \brief
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* A prepared version of {@link LinearRing}, {@link LineString} or {@link MultiLineString} geometries.
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*
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* @author mbdavis
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*
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*/
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class PreparedLineString : public BasicPreparedGeometry {
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private:
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std::unique_ptr<noding::FastSegmentSetIntersectionFinder> segIntFinder;
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mutable noding::SegmentString::ConstVect segStrings;
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mutable std::unique_ptr<operation::distance::IndexedFacetDistance> indexedDistance;
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protected:
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public:
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PreparedLineString(const Geometry* geom)
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:
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BasicPreparedGeometry(geom),
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segIntFinder(nullptr)
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{ }
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~PreparedLineString() override;
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noding::FastSegmentSetIntersectionFinder* getIntersectionFinder();
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bool intersects(const geom::Geometry* g) const override;
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std::unique_ptr<geom::CoordinateSequence> nearestPoints(const geom::Geometry* g) const override;
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double distance(const geom::Geometry* g) const override;
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bool isWithinDistance(const geom::Geometry* g, double d) const override;
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operation::distance::IndexedFacetDistance* getIndexedFacetDistance() const;
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};
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} // namespace geos::geom::prep
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} // namespace geos::geom
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} // namespace geos
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