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LinearGeometryBuilder.h

00001 /**********************************************************************
00002  * $Id: LinearGeometryBuilder.h 2809 2009-12-06 01:05:24Z mloskot $
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  * Last port: linearref/LinearGeometryBuilder.java rev. 1.1
00018  *
00019  **********************************************************************/
00020 
00021 #ifndef GEOS_LINEARREF_LINEARGEOMETRYBUILDER_H
00022 #define GEOS_LINEARREF_LINEARGEOMETRYBUILDER_H
00023 
00024 #include <geos/geom/Coordinate.h>
00025 #include <geos/geom/CoordinateList.h>
00026 #include <geos/geom/Geometry.h>
00027 #include <geos/geom/GeometryFactory.h>
00028 #include <geos/linearref/LinearLocation.h>
00029 
00030 #include <vector>
00031 
00032 namespace geos
00033 {
00034 namespace linearref   // geos::linearref
00035 {
00036 
00043 class LinearGeometryBuilder
00044 {
00045 private:
00046         const geom::GeometryFactory* geomFact;
00047 
00048         typedef std::vector<geom::Geometry *> GeomPtrVect;
00049 
00050         // Geometry elements owned by this class
00051         GeomPtrVect lines;
00052 
00053         bool ignoreInvalidLines;
00054         bool fixInvalidLines;
00055         geom::CoordinateSequence* coordList;
00056 
00057         geom::Coordinate lastPt;
00058 
00059 public:
00060         LinearGeometryBuilder(const geom::GeometryFactory* geomFact);
00061 
00062         ~LinearGeometryBuilder();
00063 
00071         void setIgnoreInvalidLines(bool ignoreInvalidLines);
00072 
00080         void setFixInvalidLines(bool fixInvalidLines);
00081 
00087         void add(const geom::Coordinate& pt);
00088 
00094         void add(const geom::Coordinate& pt, bool allowRepeatedPoints);
00095 
00097         geom::Coordinate getLastCoordinate() const;
00098 
00100         void endLine();
00101 
00102         geom::Geometry *getGeometry();
00103 };
00104 
00105 } // namespace geos.linearref
00106 } // namespace geos
00107 
00108 #endif

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