117 lines
2.9 KiB
C++
117 lines
2.9 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 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 <geos/geom/Envelope.h> // for unique_ptr
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#include <geos/geom/Coordinate.h> // for composition
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#include <geos/algorithm/LineIntersector.h>
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#include <geos/noding/snapround/HotPixel.h>
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#include <geos/geom/PrecisionModel.h>
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#include <geos/util/IllegalArgumentException.h>
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#include <geos/io/WKTWriter.h>
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#include <geos/index/kdtree/KdTree.h>
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#include <geos/index/kdtree/KdNodeVisitor.h>
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#include <geos/util.h>
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#include <array>
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#include <map>
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#include <memory>
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
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#endif
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// Forward declarations
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namespace geos {
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namespace algorithm {
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class LineIntersector;
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}
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namespace index {
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class ItemVisitor;
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}
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namespace noding {
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namespace snapround {
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class HotPixel;
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}
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}
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}
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namespace geos {
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namespace noding { // geos::noding
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namespace snapround { // geos::noding::snapround
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class GEOS_DLL HotPixelIndex {
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private:
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/* members */
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const geom::PrecisionModel* pm;
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double scaleFactor;
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std::unique_ptr<geos::index::kdtree::KdTree> index;
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std::deque<HotPixel> hotPixelQue;
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/* methods */
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template<typename CoordType>
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geom::CoordinateXYZM round(const CoordType& pt) {
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geom::CoordinateXYZM p2(pt);
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pm->makePrecise(p2);
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return p2;
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}
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HotPixel* find(const geom::Coordinate& pixelPt);
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public:
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HotPixelIndex(const geom::PrecisionModel* p_pm);
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HotPixel* addRounded(const geom::CoordinateXYZM& pt);
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template<typename CoordType>
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HotPixel* add(const CoordType& p) {
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static_assert(std::is_base_of<geom::CoordinateXY, CoordType>(), "Only valid for Coordinate types");
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auto pRound = round(p);
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return addRounded(pRound);
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}
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void add(const geom::CoordinateSequence* pts);
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void add(const std::vector<geom::Coordinate>& pts);
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void addNodes(const geom::CoordinateSequence* pts);
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void addNodes(const std::vector<geom::Coordinate>& pts);
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/**
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* Visits all the hot pixels which may intersect a segment (p0-p1).
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* The visitor must determine whether each hot pixel actually intersects
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* the segment.
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*/
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void query(const geom::CoordinateXY& p0, const geom::CoordinateXY& p1,
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index::kdtree::KdNodeVisitor& visitor);
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};
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} // namespace geos::noding::snapround
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} // namespace geos::noding
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} // namespace geos
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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