/**
* Copyright (c) 2009-2011, chunquedong(YangJiandong)
*
* This file is part of ChunMap project
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE(Version >=3)
*
* History:
* 2010-05-05 Jed Young Creation
*/
package chunmap.model.relate.relateop;
import chunmap.model.geom.GeoPoint;
import chunmap.model.geom.Geometry;
import static chunmap.model.relate.IntersectionMatrix.*;
import chunmap.model.relate.ComputeIm;
/**
*
* @author chunquedong
*
*/
public class Point_Point extends ComputeIm {
public Point_Point(GeoPoint p1, GeoPoint p2) {
g1 = p1;
g2 = p2;
}
@Override
protected void computeIM() {
GeoPoint p1 = (GeoPoint) g1;
GeoPoint p2 = (GeoPoint) g2;
if (p1.equals(p2)) {
im.set(Inner, Inner, PointDim);
} else {
im.set(Inner, Inner, EmptyDim);
im.set(Inner, Outer, PointDim);
im.set(Outer, Inner, PointDim);
}
}
// 由于覆盖了computerIm方法，所以以下两方法未使用
@Override
protected int inner2innerDim(Geometry g1, Geometry g2) {
return 0;
}
@Override
protected boolean within(Geometry g1, Geometry g2) {
return false;
}
}