/*
* Copyright (c) 2016 Vivid Solutions.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v. 1.0 which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
*
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package org.locationtech.jts.index.chain;
import org.locationtech.jts.geom.Envelope;
import org.locationtech.jts.geom.LineSegment;
/**
* The action for the internal iterator for performing
* overlap queries on a MonotoneChain
*
* @version 1.7
*/
public class MonotoneChainOverlapAction
{
// these envelopes are used during the MonotoneChain search process
Envelope tempEnv1 = new Envelope();
Envelope tempEnv2 = new Envelope();
protected LineSegment overlapSeg1 = new LineSegment();
protected LineSegment overlapSeg2 = new LineSegment();
/**
* This function can be overridden if the original chains are needed
*
* @param start1 the index of the start of the overlapping segment from mc1
* @param start2 the index of the start of the overlapping segment from mc2
*/
public void overlap(MonotoneChain mc1, int start1, MonotoneChain mc2, int start2)
{
mc1.getLineSegment(start1, overlapSeg1);
mc2.getLineSegment(start2, overlapSeg2);
overlap(overlapSeg1, overlapSeg2);
}
/**
* This is a convenience function which can be overridden to obtain the actual
* line segments which overlap
* @param seg1
* @param seg2
*/
public void overlap(LineSegment seg1, LineSegment seg2)
{
}
}