SIRtreePointInRing.h

00001 /**********************************************************************
00002  * $Id: SIRtreePointInRing.h 1820 2006-09-06 16:54:23Z mloskot $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2005-2006 Refractions Research Inc.
00008  * Copyright (C) 2001-2002 Vivid Solutions Inc.
00009  *
00010  * This is free software; you can redistribute and/or modify it under
00011  * the terms of the GNU Lesser General Public Licence as published
00012  * by the Free Software Foundation. 
00013  * See the COPYING file for more information.
00014  *
00015  **********************************************************************/
00016 
00017 #ifndef GEOS_ALGORITHM_SIRTREEPOINTINRING_H
00018 #define GEOS_ALGORITHM_SIRTREEPOINTINRING_H
00019 
00020 #include <geos/algorithm/PointInRing.h> // for inheritance
00021 
00022 #include <vector>
00023 
00024 // Forward declarations
00025 namespace geos {
00026         namespace geom {
00027                 class Coordinate;
00028                 class LineSegment;
00029                 class LinearRing;
00030         }
00031         namespace index {
00032                 namespace strtree {
00033                         class SIRtree;
00034                 }
00035         }
00036 }
00037 
00038 
00039 namespace geos {
00040 namespace algorithm { // geos::algorithm
00041 
00042 class SIRtreePointInRing: public PointInRing {
00043 private:
00044         geom::LinearRing *ring;
00045         index::strtree::SIRtree *sirTree;
00046         int crossings;  // number of segment/ray crossings
00047         void buildIndex();
00048         void testLineSegment(const geom::Coordinate& p,
00049                         geom::LineSegment *seg);
00050 public:
00051         SIRtreePointInRing(geom::LinearRing *newRing);
00052         bool isInside(const geom::Coordinate& pt);
00053 };
00054 
00055 } // namespace geos::algorithm
00056 } // namespace geos
00057 
00058 
00059 #endif // GEOS_ALGORITHM_SIRTREEPOINTINRING_H
00060 
00061 /**********************************************************************
00062  * $Log$
00063  * Revision 1.2  2006/03/21 11:12:23  strk
00064  * Cleanups: headers inclusion and Log section
00065  *
00066  * Revision 1.1  2006/03/09 16:46:48  strk
00067  * geos::geom namespace definition, first pass at headers split
00068  *
00069  **********************************************************************/
00070 

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