63 lines
1.5 KiB
C++
63 lines
1.5 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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*
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* Last port: noding/snap/SnappingPointIndex.java
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*
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**********************************************************************/
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#pragma once
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#include <geos/geom/Coordinate.h>
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#include <geos/index/kdtree/KdTree.h>
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#include <geos/index/kdtree/KdNode.h>
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namespace geos {
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namespace noding { // geos::noding
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namespace snap { // geos::noding::snap
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class GEOS_DLL SnappingPointIndex {
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/**
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* An index providing fast creation and lookup of snap points.
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* @author mdavis
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*/
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private:
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// double snapTolerance;
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std::unique_ptr<index::kdtree::KdTree> snapPointIndex;
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public:
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SnappingPointIndex(double p_snapTolerance);
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/**
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* Snaps a coordinate to an existing snap point,
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* if it is within the snap tolerance distance.
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* Otherwise adds the coordinate to the snap point index.
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*
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* @param p the point to snap
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* @return the point it snapped to, or the input point
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*/
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const geom::Coordinate& snap(const geom::Coordinate& p);
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};
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} // namespace geos::noding::snap
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} // namespace geos::noding
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} // namespace geos
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