# 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