com.vividsolutions.jts.index.intervalrtree.IntervalRTreeBranchNode Maven / Gradle / Ivy
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/*
* 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);
}
}