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FuzzyPointLocator.h

00001 /**********************************************************************
00002  * $Id: FuzzyPointLocator.h 2780 2009-12-03 19:46:43Z mloskot $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2006 Refractions Research Inc.
00008  *
00009  * This is free software; you can redistribute and/or modify it under
00010  * the terms of the GNU Lesser General Public Licence as published
00011  * by the Free Software Foundation. 
00012  * See the COPYING file for more information.
00013  *
00014  ***********************************************************************
00015  *
00016  * Last port: operation/overlay/validate/FuzzyPointLocator.java rev. 1.1 (JTS-1.10)
00017  *
00018  **********************************************************************/
00019 
00020 #ifndef GEOS_OP_OVERLAY_FUZZYPOINTLOCATOR_H
00021 #define GEOS_OP_OVERLAY_FUZZYPOINTLOCATOR_H
00022 
00023 #include <geos/algorithm/PointLocator.h> // for composition
00024 #include <geos/geom/Geometry.h> // for auto_ptr visibility of dtor
00025 #include <geos/geom/Location.h> // for Location::Value enum
00026 
00027 #include <vector>
00028 #include <memory> // for auto_ptr
00029 
00030 // Forward declarations
00031 namespace geos {
00032         namespace geom {
00033                 class Geometry;
00034                 class Coordinate;
00035         }
00036 }
00037 
00038 namespace geos {
00039 namespace operation { // geos::operation
00040 namespace overlay { // geos::operation::overlay
00041 namespace validate { // geos::operation::overlay::validate
00042 
00053 class FuzzyPointLocator {
00054 
00055 public:
00056 
00057         FuzzyPointLocator(const geom::Geometry& geom, double nTolerance);
00058 
00059         geom::Location::Value getLocation(const geom::Coordinate& pt);
00060 
00061 private:
00062 
00063         const geom::Geometry& g;
00064 
00065         double tolerance;
00066 
00067         algorithm::PointLocator ptLocator;
00068 
00069         std::auto_ptr<geom::Geometry> linework;
00070 
00071         // this function has been obsoleted
00072         std::auto_ptr<geom::Geometry> getLineWork(const geom::Geometry& geom);
00073 
00075         //
00078         std::auto_ptr<geom::Geometry> extractLineWork(const geom::Geometry& geom);
00079 
00080     // Declare type as noncopyable
00081     FuzzyPointLocator(const FuzzyPointLocator& other);
00082     FuzzyPointLocator& operator=(const FuzzyPointLocator& rhs);
00083 };
00084 
00085 } // namespace geos::operation::overlay::validate
00086 } // namespace geos::operation::overlay
00087 } // namespace geos::operation
00088 } // namespace geos
00089 
00090 #endif // ndef GEOS_OP_OVERLAY_FUZZYPOINTLOCATOR_H
00091 
00092 /**********************************************************************
00093  * $Log$
00094  **********************************************************************/
00095 

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