/*
* 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.geom.*;
import org.locationtech.jts.linearref.LengthIndexedLine;
public class LinearReferencingFunctions
{
public static Geometry extractPoint(Geometry g, double index)
{
LengthIndexedLine ll = new LengthIndexedLine(g);
Coordinate p = ll.extractPoint(index);
return g.getFactory().createPoint(p);
}
public static Geometry extractLine(Geometry g, double start, double end)
{
LengthIndexedLine ll = new LengthIndexedLine(g);
return ll.extractLine(start, end);
}
public static Geometry project(Geometry g, Geometry g2)
{
LengthIndexedLine ll = new LengthIndexedLine(g);
double index = ll.project(g2.getCoordinate());
Coordinate p = ll.extractPoint(index);
return g.getFactory().createPoint(p);
}
public static double projectIndex(Geometry g, Geometry g2)
{
LengthIndexedLine ll = new LengthIndexedLine(g);
return ll.project(g2.getCoordinate());
}
}