Triangle.java

/*
	Copyright 2008-2014 Fraunhofer IGD, http://www.igd.fraunhofer.de
	Fraunhofer-Gesellschaft - Institute for Computer Graphics Research
	
	See the NOTICE file distributed with this work for additional 
	information regarding copyright ownership
	
	Licensed under the Apache License, Version 2.0 (the "License");
	you may not use this file except in compliance with the License.
	You may obtain a copy of the License at
	
	  http://www.apache.org/licenses/LICENSE-2.0
	
	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	See the License for the specific language governing permissions and
	limitations under the License.
 */
package org.universAAL.ontology.shape;

import java.util.Vector;

import org.universAAL.ontology.location.position.Point;

/**
 * Ontological representation of a triangle in a tri-dimensional space. Methods
 * included in this class are the mandatory ones for representing an ontological
 * concept in Java classes for uAAL. Usually it includes getters and setters for
 * most of its properties.
 * 
 * @author chwirth
 * 
 */

public class Triangle extends Polygon {

    public static final String MY_URI = ShapeOntology.NAMESPACE + "Triangle";

    /**
     * Creates a Triangle object
     * 
     * @param uri
     *            the object URI
     */
    public Triangle(String uri) {
	super(uri);
    }

    /**
     * Creates a Polygon object
     */
    public Triangle() {
	super();
    }

    /**
     * Creates a triangle object. All vertices have to be in the same coordinate
     * system
     * 
     * @param uri
     *            this value can also be a null object
     * @param verts
     *            an array of all vertices in counter clockwise order
     */
    public Triangle(String uri, Point[] verts) {
	super(uri);
	setVertices(verts);
	checkValid();
	setLocalCoordinateSystem(verts[0].getCoordinateSystem());
    }

    public Triangle(Point[] verts) {
	super();
	setVertices(verts);
	checkValid();
	setLocalCoordinateSystem(verts[0].getCoordinateSystem());
    }

    public String getClassURI() {
	return MY_URI;
    }

    public void setVertices(Point[] verts) {
	if (verts == null)
	    throw new IllegalArgumentException();
	if (verts.length != 3)
	    throw new IllegalArgumentException("Must have 3 vertices");
	Vector vmapper = new Vector();
	for (int i = 0; i < verts.length; i++)
	    vmapper.add(verts[i]);
	props.put(PROP_VERTICES, vmapper);
	checkValid();
    }
}