/********************************************************************** * $Id: MultiLineString.cpp 1820 2006-09-06 16:54:23Z mloskot $ * * GEOS - Geometry Engine Open Source * http://geos.refractions.net * * Copyright (C) 2005-2006 Refractions Research Inc. * Copyright (C) 2001-2002 Vivid Solutions Inc. * * This is free software; you can redistribute and/or modify it under * the terms of the GNU Lesser General Public Licence as published * by the Free Software Foundation. * See the COPYING file for more information. * **********************************************************************/ #include #include #include #include #include #include #include #include #include #ifndef GEOS_INLINE # include "geos/geom/MultiLineString.inl" #endif using namespace std; using namespace geos::algorithm; //using namespace geos::operation; using namespace geos::geomgraph; namespace geos { namespace geom { // geos::geom /*protected*/ MultiLineString::MultiLineString(vector *newLines, const GeometryFactory *factory) : GeometryCollection(newLines,factory) { } MultiLineString::~MultiLineString(){} Dimension::DimensionType MultiLineString::getDimension() const { return Dimension::L; // line } int MultiLineString::getBoundaryDimension() const { if (isClosed()) { return Dimension::False; } return 0; } string MultiLineString::getGeometryType() const { return "MultiLineString"; } bool MultiLineString::isClosed() const { if (isEmpty()) { return false; } for (size_t i = 0; i < geometries->size(); i++) { if (!((LineString *)(*geometries)[i])->isClosed()) { return false; } } return true; } bool MultiLineString::isSimple() const { operation::IsSimpleOp iso; return iso.isSimple(this); } Geometry* MultiLineString::getBoundary() const { if (isEmpty()) { return getFactory()->createGeometryCollection(NULL); } //Geometry *in = toInternalGeometry(this); GeometryGraph gg(0, this); CoordinateSequence *pts=gg.getBoundaryPoints(); Geometry *ret = getFactory()->createMultiPoint(*pts); return ret; } bool MultiLineString::equalsExact(const Geometry *other, double tolerance) const { if (!isEquivalentClass(other)) { return false; } return GeometryCollection::equalsExact(other, tolerance); } GeometryTypeId MultiLineString::getGeometryTypeId() const { return GEOS_MULTILINESTRING; } MultiLineString* MultiLineString::reverse() const { size_t nLines = geometries->size(); Geometry::NonConstVect *revLines = new Geometry::NonConstVect(nLines); for (size_t i=0; i((*geometries)[i])); LineString *iLS = static_cast((*geometries)[i]); (*revLines)[nLines-1-i] = iLS->reverse(); } return getFactory()->createMultiLineString(revLines); } } // namespace geos::geom } // namespace geos /********************************************************************** * $Log$ * Revision 1.34 2006/06/12 10:10:39 strk * Fixed getGeometryN() to take size_t rather then int, changed unsigned int parameters to size_t. * * Revision 1.33 2006/05/04 15:49:39 strk * updated all Geometry::getDimension() methods to return Dimension::DimensionType (closes bug#93) * * Revision 1.32 2006/04/28 10:55:39 strk * Geometry constructors made protected, to ensure all constructions use GeometryFactory, * which has been made friend of all Geometry derivates. getNumPoints() changed to return * size_t. * * Revision 1.31 2006/03/24 09:52:41 strk * USE_INLINE => GEOS_INLINE * * Revision 1.30 2006/03/23 12:12:00 strk * Fixes to allow build with -DGEOS_INLINE * * Revision 1.29 2006/03/09 16:46:47 strk * geos::geom namespace definition, first pass at headers split * * Revision 1.28 2006/03/03 10:46:21 strk * Removed 'using namespace' from headers, added missing headers in .cpp files, removed useless includes in headers (bug#46) * * Revision 1.27 2006/02/23 11:54:20 strk * - MCIndexPointSnapper * - MCIndexSnapRounder * - SnapRounding BufferOp * - ScaledNoder * - GEOSException hierarchy cleanups * - SpatialIndex memory-friendly query interface * - GeometryGraph::getBoundaryNodes memory-friendly * - NodeMap::getBoundaryNodes memory-friendly * - Cleanups in geomgraph::Edge * - Added an XML test for snaprounding buffer (shows leaks, working on it) * * Revision 1.26 2006/02/19 19:46:49 strk * Packages <-> namespaces mapping for most GEOS internal code (uncomplete, but working). Dir-level libs for index/ subdirs. * * Revision 1.25 2006/02/08 17:18:28 strk * - New WKTWriter::toLineString and ::toPoint convenience methods * - New IsValidOp::setSelfTouchingRingFormingHoleValid method * - New Envelope::centre() * - New Envelope::intersection(Envelope) * - New Envelope::expandBy(distance, [ydistance]) * - New LineString::reverse() * - New MultiLineString::reverse() * - New Geometry::buffer(distance, quadSeg, endCapStyle) * - Obsoleted toInternalGeometry/fromInternalGeometry * - More const-correctness in Buffer "package" * * Revision 1.24 2006/01/31 19:07:33 strk * - Renamed DefaultCoordinateSequence to CoordinateArraySequence. * - Moved GetNumGeometries() and GetGeometryN() interfaces * from GeometryCollection to Geometry class. * - Added getAt(int pos, Coordinate &to) funtion to CoordinateSequence class. * - Reworked automake scripts to produce a static lib for each subdir and * then link all subsystem's libs togheter * - Moved C-API in it's own top-level dir capi/ * - Moved source/bigtest and source/test to tests/bigtest and test/xmltester * - Fixed PointLocator handling of LinearRings * - Changed CoordinateArrayFilter to reduce memory copies * - Changed UniqueCoordinateArrayFilter to reduce memory copies * - Added CGAlgorithms::isPointInRing() version working with * Coordinate::ConstVect type (faster!) * - Ported JTS-1.7 version of ConvexHull with big attention to * memory usage optimizations. * - Improved XMLTester output and user interface * - geos::geom::util namespace used for geom/util stuff * - Improved memory use in geos::geom::util::PolygonExtractor * - New ShortCircuitedGeometryVisitor class * - New operation/predicate package * * Revision 1.23 2004/09/12 03:51:27 pramsey * Casting changes to allow OS/X compilation. * * Revision 1.22 2004/07/22 08:45:50 strk * Documentation updates, memory leaks fixed. * * Revision 1.21 2004/07/08 19:34:49 strk * Mirrored JTS interface of CoordinateSequence, factory and * default implementations. * Added CoordinateArraySequenceFactory::instance() function. * * Revision 1.20 2004/07/06 17:58:22 strk * Removed deprecated Geometry constructors based on PrecisionModel and * SRID specification. Removed SimpleGeometryPrecisionReducer capability * of changing Geometry's factory. Reverted Geometry::factory member * to be a reference to external factory. * * Revision 1.19 2004/07/05 10:50:20 strk * deep-dopy construction taken out of Geometry and implemented only * in GeometryFactory. * Deep-copy geometry construction takes care of cleaning up copies * on exception. * Implemented clone() method for CoordinateSequence * Changed createMultiPoint(CoordinateSequence) signature to reflect * copy semantic (by-ref instead of by-pointer). * Cleaned up documentation. * * Revision 1.18 2004/07/02 13:28:26 strk * Fixed all #include lines to reflect headers layout change. * Added client application build tips in README. * * Revision 1.17 2004/07/01 14:12:44 strk * * Geometry constructors come now in two flavors: * - deep-copy args (pass-by-reference) * - take-ownership of args (pass-by-pointer) * Same functionality is available through GeometryFactory, * including buildGeometry(). * * Revision 1.16 2004/06/28 21:11:43 strk * Moved getGeometryTypeId() definitions from geom.h to each geometry module. * Added holes argument check in Polygon.cpp. * * Revision 1.15 2004/05/07 13:04:57 strk * leak removed in MultiLineString::getBoundary() * * Revision 1.14 2004/05/07 09:05:13 strk * Some const correctness added. Fixed bug in GeometryFactory::createMultiPoint * to handle NULL CoordinateSequence. * * Revision 1.13 2004/04/20 08:52:01 strk * GeometryFactory and Geometry const correctness. * Memory leaks removed from SimpleGeometryPrecisionReducer * and GeometryFactory. * * Revision 1.12 2004/04/01 10:44:33 ybychkov * All "geom" classes from JTS 1.3 upgraded to JTS 1.4 * * Revision 1.11 2003/11/07 01:23:42 pramsey * Add standard CVS headers licence notices and copyrights to all cpp and h * files. * * **********************************************************************/