/* * 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.vividsolutions.jts.index.intervalrtree; import com.vividsolutions.jts.index.*; public class IntervalRTreeBranchNode extends IntervalRTreeNode { private IntervalRTreeNode node1; private IntervalRTreeNode node2; public IntervalRTreeBranchNode(IntervalRTreeNode n1, IntervalRTreeNode n2) { node1 = n1; node2 = n2; buildExtent(node1, node2); } private void buildExtent(IntervalRTreeNode n1, IntervalRTreeNode n2) { min = Math.min(n1.min, n2.min); max = Math.max(n1.max, n2.max); } public void query(double queryMin, double queryMax, ItemVisitor visitor) { if (! intersects(queryMin, queryMax)) { // System.out.println("Does NOT Overlap branch: " + this); return; } // System.out.println("Overlaps branch: " + this); if (node1 != null) node1.query(queryMin, queryMax, visitor); if (node2 != null) node2.query(queryMin, queryMax, visitor); } }