/*
* 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.hull;
import java.util.List;
import org.locationtech.jts.geom.Geometry;
import org.locationtech.jts.triangulate.DelaunayTriangulationBuilder;
import org.locationtech.jts.triangulate.quadedge.QuadEdgeSubdivision;
import org.locationtech.jts.triangulate.quadedge.QuadEdgeTriangle;
public class ConcaveHull {
private Geometry geom;
private double tolerance;
public ConcaveHull(Geometry geom, double tolerance) {
this.geom = geom;
this.tolerance = tolerance;
}
public Geometry getResult() {
QuadEdgeSubdivision subdiv = buildDelaunay();
List tris = extractTriangles(subdiv);
Geometry hull = computeHull(tris);
return hull;
}
private List extractTriangles(QuadEdgeSubdivision subdiv) {
List qeTris = QuadEdgeTriangle.createOn(subdiv);
return qeTris;
}
private Geometry computeHull(List tris) {
return null;
}
private QuadEdgeSubdivision buildDelaunay() {
DelaunayTriangulationBuilder builder = new DelaunayTriangulationBuilder();
builder.setSites(geom);
return builder.getSubdivision();
}
}