GEOS
3.4.2
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00001 /********************************************************************** 00002 * 00003 * GEOS - Geometry Engine Open Source 00004 * http://geos.osgeo.org 00005 * 00006 * Copyright (C) 2001-2002 Vivid Solutions Inc. 00007 * Copyright (C) 2005 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: geom/LinearRing.java r320 (JTS-1.12) 00017 * 00018 **********************************************************************/ 00019 00020 #ifndef GEOS_GEOS_LINEARRING_H 00021 #define GEOS_GEOS_LINEARRING_H 00022 00023 #include <geos/export.h> 00024 #include <string> 00025 #include <vector> 00026 #include <geos/platform.h> 00027 #include <geos/geom/LineString.h> 00028 00029 #include <geos/inline.h> 00030 00031 // Forward declarations 00032 namespace geos { 00033 namespace geom { // geos::geom 00034 class Coordinate; 00035 class CoordinateArraySequence; 00036 } 00037 } 00038 00039 namespace geos { 00040 namespace geom { // geos::geom 00041 00057 class GEOS_DLL LinearRing : public LineString { 00058 00059 public: 00060 00065 static const unsigned int MINIMUM_VALID_SIZE = 4; 00066 00067 LinearRing(const LinearRing &lr); 00068 00081 LinearRing(CoordinateSequence* points, 00082 const GeometryFactory *newFactory); 00083 00085 LinearRing(CoordinateSequence::AutoPtr points, 00086 const GeometryFactory *newFactory); 00087 00088 virtual Geometry *clone() const { return new LinearRing(*this); } 00089 00090 virtual ~LinearRing(); 00091 00098 int getBoundaryDimension() const; 00099 00108 bool isSimple() const; 00109 00110 bool isClosed() const; 00111 00112 std::string getGeometryType() const; 00113 00114 virtual GeometryTypeId getGeometryTypeId() const; 00115 00116 void setPoints(CoordinateSequence* cl); 00117 00118 Geometry* reverse() const; 00119 00120 private: 00121 00122 void validateConstruction(); 00123 }; 00124 00125 00126 } // namespace geos::geom 00127 } // namespace geos 00128 00129 #endif // ndef GEOS_GEOS_LINEARRING_H