/* * The JTS Topology Suite is a collection of Java classes that * implement the fundamental operations required to validate a given * geo-spatial data set to a known topological specification. * * Copyright (C) 2001 Vivid Solutions * * 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; either * version 2.1 of the License, or (at your option) any later version. * * 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. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * For more information, contact: * * Vivid Solutions * Suite #1A * 2328 Government Street * Victoria BC V8T 5G5 * Canada * * (250)385-6040 * www.vividsolutions.com */ package com.revolsys.geometry.noding; import java.util.ArrayList; import java.util.List; import com.revolsys.geometry.model.Geometry; import com.revolsys.geometry.model.LineString; /** * Utility methods for processing {@link SegmentString}s. * * @author Martin Davis * */ public class SegmentStringUtil { /** * Extracts all linear components from a given {@link Geometry} * to {@link SegmentString}s. * The SegmentString data item is set to be the source Geometry. * * @param geom the geometry to extract from * @return a List of SegmentStrings */ public static List<NodedSegmentString> extractSegmentStrings(final Geometry geom) { final List<NodedSegmentString> segments = new ArrayList<>(); final List<LineString> lines = geom.getGeometryComponents(LineString.class); for (final LineString line : lines) { final NodedSegmentString segment = new NodedSegmentString(line, geom); segments.add(segment); } return segments; } public static String toString(final List<? extends SegmentString> segments) { final StringBuilder buf = new StringBuilder(); for (final SegmentString segment : segments) { buf.append(segment.toString()); buf.append("\n"); } return buf.toString(); } }