FuzzyPointLocator.h

00001 /**********************************************************************
00002  * $Id: FuzzyPointLocator.h 1941 2006-12-13 10:55:55Z strk $
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
00017  * (we should move in GEOS too, probably)
00018  *
00019  **********************************************************************/
00020 
00021 #ifndef GEOS_OP_OVERLAY_FUZZYPOINTLOCATOR_H
00022 #define GEOS_OP_OVERLAY_FUZZYPOINTLOCATOR_H
00023 
00024 #include <geos/algorithm/PointLocator.h> // for composition
00025 #include <geos/geom/Geometry.h> // for auto_ptr visibility of dtor
00026 #include <geos/geom/Location.h> // for Location::Value enum
00027 
00028 #include <vector>
00029 #include <memory> // for auto_ptr
00030 
00031 // Forward declarations
00032 namespace geos {
00033         namespace geom {
00034                 class Geometry;
00035                 class Coordinate;
00036         }
00037 }
00038 
00039 namespace geos {
00040 namespace operation { // geos::operation
00041 namespace overlay { // geos::operation::overlay
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 
00081 };
00082 
00083 } // namespace geos::operation::overlay
00084 } // namespace geos::operation
00085 } // namespace geos
00086 
00087 #endif // ndef GEOS_OP_OVERLAY_FUZZYPOINTLOCATOR_H
00088 
00089 /**********************************************************************
00090  * $Log$
00091  **********************************************************************/
00092 

Generated on Fri Mar 27 04:52:42 2009 for GEOS by  doxygen 1.5.4