/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2006-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.geometry.iso.primitive;
import java.util.List;
import org.geotools.geometry.iso.complex.CompositeSurfaceImpl;
import org.opengis.geometry.primitive.OrientableSurface;
import org.opengis.geometry.primitive.Shell;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
/**
*
* A Shell is used to represent a single connected component of a SolidBoundary.
* It consists of a number of references to OrientableSurfaces connected in a
* topological cycle (an object whose boundary is empty). Unlike a Ring, a
* Shell's elements have no natural sort order. Like Rings, Shells are simple.
* Shell: {isSimple() = TRUE}
*
* @author Jackson Roehrig & Sanjay Jena
*
*
*
* @source $URL$
*/
public class ShellImpl extends CompositeSurfaceImpl implements Shell {
/**
* @param crs
* @param generator
*/
public ShellImpl(CoordinateReferenceSystem crs,
List<OrientableSurface> generator) {
super(generator);
}
/*
* (non-Javadoc)
*
* @see org.geotools.geometry.featgeom.complex.CompositeSurfaceImpl#isSimple()
*/
public boolean isSimple() {
// Implementation ok
// Shells are always simple
return true;
}
/*
* (non-Javadoc)
*
* @see org.geotools.geometry.featgeom.complex.CompositeSurfaceImpl#isCycle()
*/
public boolean isCycle() {
// Implementation ok
// Shells are always simple
return true;
}
}