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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) 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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* Last port: noding/IntersectionFinderAdder.java rev. 1.5 (JTS-1.9) |
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**********************************************************************/ |
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#ifndef GEOS_NODING_INTERSECTIONFINDERADDER_H |
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#define GEOS_NODING_INTERSECTIONFINDERADDER_H |
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#include |
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#include |
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#include |
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#include |
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#include // for use in vector |
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#include // for inheritance |
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// Forward declarations |
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namespace geos { |
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namespace geom { |
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class Coordinate; |
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} |
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namespace noding { |
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class SegmentString; |
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} |
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namespace algorithm { |
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class LineIntersector; |
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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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/** \brief |
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* Finds proper and interior intersections in a set of SegmentStrings, |
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* and adds them as nodes. |
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* |
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*/ |
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class GEOS_DLL IntersectionFinderAdder: public SegmentIntersector { |
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public: |
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/** |
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* Creates an intersection finder which finds all proper intersections |
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* and stores them in the provided Coordinate array |
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* |
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* @param li the LineIntersector to use |
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* @param v the Vector to push interior intersections to |
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*/ |
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IntersectionFinderAdder(algorithm::LineIntersector& newLi, |
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std::vector& v) |
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: |
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li(newLi), |
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interiorIntersections(v) |
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{} |
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/** |
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* This method is called by clients |
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* of the {@link SegmentIntersector} class to process |
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* intersections for two segments of the {@link SegmentStrings} |
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* being intersected. |
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* Note that some clients (such as {@link MonotoneChain}s) may |
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* optimize away this call for segment pairs which they have |
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* determined do not intersect |
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* (e.g. by an disjoint envelope test). |
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*/ |
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void processIntersections( |
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SegmentString* e0, int segIndex0, |
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SegmentString* e1, int segIndex1) override; |
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std::vector& getInteriorIntersections() { |
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return interiorIntersections; |
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} |
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/** |
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* Always process all intersections |
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* |
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* @return false always |
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*/ |
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bool isDone() const override { |
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return false; |
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} |
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private: |
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algorithm::LineIntersector& li; |
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std::vector& interiorIntersections; |
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// Declare type as noncopyable |
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IntersectionFinderAdder(const IntersectionFinderAdder& other) = delete; |
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IntersectionFinderAdder& operator=(const IntersectionFinderAdder& rhs) = delete; |
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}; |
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} // namespace geos.noding |
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} // namespace geos |
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#endif // GEOS_NODING_INTERSECTIONFINDERADDER_H |