/*
* 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.geomgraph.index;
import com.revolsys.geometry.geomgraph.Edge;
/**
* @version 1.7
*/
public class SweepLineSegment {
private final Edge edge;
private final int ptIndex;
public SweepLineSegment(final Edge edge, final int ptIndex) {
this.edge = edge;
this.ptIndex = ptIndex;
}
public void computeIntersections(final SweepLineSegment ss, final SegmentIntersector si) {
si.addIntersections(this.edge, this.ptIndex, ss.edge, ss.ptIndex);
}
public double getMaxX() {
final double x1 = this.edge.getPoint(this.ptIndex).getX();
final double x2 = this.edge.getPoint(this.ptIndex + 1).getX();
return x1 > x2 ? x1 : x2;
}
public double getMinX() {
final double x1 = this.edge.getPoint(this.ptIndex).getX();
final double x2 = this.edge.getPoint(this.ptIndex + 1).getX();
return x1 < x2 ? x1 : x2;
}
}