GEOS: SIRtreePointInRing.h Source File

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# SIRtreePointInRing.h

    00001 /**********************************************************************
    00002  * $Id: SIRtreePointInRing.h 2556 2009-06-06 22:22:28Z strk $
    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/export.h>
    00021 #include <geos/algorithm/PointInRing.h> // for inheritance
    00022
    00023 #include <vector>
    00024
    00025 // Forward declarations
    00026 namespace geos {
    00027         namespace geom {
    00028                 class Coordinate;
    00029                 class LineSegment;
    00030                 class LinearRing;
    00031         }
    00032         namespace index {
    00033                 namespace strtree {
    00034                         class SIRtree;
    00035                 }
    00036         }
    00037 }
    00038
    00039
    00040 namespace geos {
    00041 namespace algorithm { // geos::algorithm
    00042
    00043 class GEOS_DLL SIRtreePointInRing: public PointInRing {
    00044 private:
    00045         geom::LinearRing *ring;
    00046         index::strtree::SIRtree *sirTree;
    00047         int crossings;  // number of segment/ray crossings
    00048         void buildIndex();
    00049         void testLineSegment(const geom::Coordinate& p,
    00050                         geom::LineSegment *seg);
    00051 public:
    00052         SIRtreePointInRing(geom::LinearRing *newRing);
    00053         bool isInside(const geom::Coordinate& pt);
    00054 };
    00055
    00056 } // namespace geos::algorithm
    00057 } // namespace geos
    00058
    00059
    00060 #endif // GEOS_ALGORITHM_SIRTREEPOINTINRING_H
    00061
    00062 /**********************************************************************
    00063  * $Log$
    00064  * Revision 1.2  2006/03/21 11:12:23  strk
    00065  * Cleanups: headers inclusion and Log section
    00066  *
    00067  * Revision 1.1  2006/03/09 16:46:48  strk
    00068  * geos::geom namespace definition, first pass at headers split
    00069  *
    00070  **********************************************************************/
    00071