/*
* 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.jtstest.function;
import org.locationtech.jts.algorithm.distance.*;
import org.locationtech.jts.geom.*;
import org.locationtech.jts.operation.distance.*;
public class DistanceFunctions {
public static double distance(Geometry a, Geometry b) {
return a.distance(b);
}
public static boolean isWithinDistance(Geometry a, Geometry b, double dist) {
return a.isWithinDistance(b, dist);
}
public static Geometry nearestPoints(Geometry a, Geometry b) {
Coordinate[] pts = DistanceOp.nearestPoints(a, b);
return a.getFactory().createLineString(pts);
}
public static Geometry discreteHausdorffDistanceLine(Geometry a, Geometry b)
{
DiscreteHausdorffDistance dist = new DiscreteHausdorffDistance(a, b);
dist.distance();
return a.getFactory().createLineString(dist.getCoordinates());
}
public static Geometry densifiedDiscreteHausdorffDistanceLine(Geometry a, Geometry b, double frac)
{
DiscreteHausdorffDistance hausDist = new DiscreteHausdorffDistance(a, b);
hausDist.setDensifyFraction(frac);
hausDist.distance();
return a.getFactory().createLineString(hausDist.getCoordinates());
}
public static Geometry discreteOrientedHausdorffDistanceLine(Geometry a, Geometry b)
{
DiscreteHausdorffDistance dist = new DiscreteHausdorffDistance(a, b);
dist.orientedDistance();
return a.getFactory().createLineString(dist.getCoordinates());
}
public static double discreteHausdorffDistance(Geometry a, Geometry b)
{
DiscreteHausdorffDistance dist = new DiscreteHausdorffDistance(a, b);
return dist.distance();
}
public static double discreteOrientedHausdorffDistance(Geometry a, Geometry b)
{
DiscreteHausdorffDistance dist = new DiscreteHausdorffDistance(a, b);
return dist.orientedDistance();
}
}