• Main Page
  • Related Pages
  • Namespaces
  • Classes
  • Files
  • File List

OffsetPointGenerator.h

00001 /**********************************************************************
00002  * $Id: OffsetPointGenerator.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/OffsetPointGenerator.java rev. 1.1 (JTS-1.10)
00017  *
00018  **********************************************************************/
00019 
00020 #ifndef GEOS_OP_OVERLAY_OFFSETPOINTGENERATOR_H
00021 #define GEOS_OP_OVERLAY_OFFSETPOINTGENERATOR_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/MultiPoint.h> // for auto_ptr visibility of dtor
00026 #include <geos/geom/Coordinate.h> // for use in vector
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 MultiPoint;
00036                 class LineString;
00037                 //class Coordinate;
00038         }
00039 }
00040 
00041 namespace geos {
00042 namespace operation { // geos::operation
00043 namespace overlay { // geos::operation::overlay
00044 namespace validate { // geos::operation::overlay::validate
00045 
00047 //
00048 class OffsetPointGenerator {
00049 
00050 public:
00051 
00052         OffsetPointGenerator(const geom::Geometry& geom, double offset);
00053 
00055         std::auto_ptr< std::vector<geom::Coordinate> > getPoints();
00056 
00057 private:
00058 
00059         const geom::Geometry& g;
00060 
00061         double offsetDistance;
00062 
00063         std::auto_ptr< std::vector<geom::Coordinate> > offsetPts;
00064 
00065         void extractPoints(const geom::LineString* line);
00066 
00067         void computeOffsets(const geom::Coordinate& p0,
00068                         const geom::Coordinate& p1);
00069 
00070     // Declare type as noncopyable
00071     OffsetPointGenerator(const OffsetPointGenerator& other);
00072     OffsetPointGenerator& operator=(const OffsetPointGenerator& rhs);
00073 };
00074 
00075 } // namespace geos::operation::overlay::validate
00076 } // namespace geos::operation::overlay
00077 } // namespace geos::operation
00078 } // namespace geos
00079 
00080 #endif // ndef GEOS_OP_OVERLAY_OFFSETPOINTGENERATOR_H
00081 
00082 /**********************************************************************
00083  * $Log$
00084  **********************************************************************/
00085 

Generated on Thu Jul 22 2010 for GEOS by  doxygen 1.7.1