/* * GeoTools - The Open Source Java GIS Toolkit * http://geotools.org * * (C) 2002-2008, Open Source Geospatial Foundation (OSGeo) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. */ package org.geotools.graph.build.line; import org.geotools.graph.build.basic.BasicDirectedGraphBuilder; /** * An implementation of GraphGenerator used to generate a graph representing a * directed line network. Graphs are generated by supplying the generator with * objects of type LineSegment via the add(Object) method. <BR> * <BR> * For each line segment added, an edge in the graph is created. The builder * records the end coordinates of each line added, and maintains a map of * coordinates to nodes, creating nodes when neccessary.<BR> * <BR> * Edges created by the generator are of type BasicDirectedEdge and contain an * object of type LineSegment.<BR> * Nodes created by the generator are of type BasicDirectedXYNode and contain * an object of type Coordinate. * * @see org.geotools.graph.structure.basic.BasicDirectedXYNode * @see org.geotools.graph.structure.basic.BasicDirectedEdge * @see com.vividsolutions.jts.geom.LineSegment * @see com.vividsolutions.jts.geom.Coordinate * * @author Justin Deoliveira, Refractions Research Inc, jdeolive@refractions.net * * * @source $URL$ */ public class BasicDirectedLineGraphGenerator extends BasicLineGraphGenerator { /** * Constructs a new BasicDirectedLineGraphGenerator. */ public BasicDirectedLineGraphGenerator() { super(); setGraphBuilder(new BasicDirectedGraphBuilder()); } }