/*
* 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.complex;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.geotools.geometry.iso.coordinate.EnvelopeImpl;
import org.geotools.geometry.iso.primitive.OrientableSurfaceImpl;
import org.opengis.geometry.DirectPosition;
import org.opengis.geometry.Envelope;
import org.opengis.geometry.complex.Complex;
import org.opengis.geometry.complex.CompositeSurface;
import org.opengis.geometry.primitive.OrientablePrimitive;
import org.opengis.geometry.primitive.OrientableSurface;
import org.opengis.geometry.primitive.Primitive;
import org.opengis.geometry.primitive.Surface;
import org.opengis.geometry.primitive.SurfaceBoundary;
/**
* A composite surface, CompositeSurface (Figure 29) shall be a Complex with all
* the geometric properties of a surface, and thus can be considered as a type
* of orientable surface (OrientableSurface). Essentially, a composite surface
* is a collection of oriented surfaces that join in pairs on common boundary
* curves and which, when considered as a whole, form a single surface.
*
* @author Jackson Roehrig & Sanjay Jena
*
*
* @source $URL$
*/
public class CompositeSurfaceImpl extends CompositeImpl<OrientableSurfaceImpl>
implements CompositeSurface {
private static final long serialVersionUID = 1764508224739439610L;
/**
* Generator The association role Composition::generator associates this
* CompositeSurface to the primitive Surfaces and OrientableSurfaces in its
* generating set, a list of the Surfaces that form the core of this
* complex. CompositeSurface::generator : Set<OrientableSurface>
*
* NOTE To get a full representation of the elements in the Complex, the
* Curves and Points on the boundary of the generator set of Surfaces would
* be added to the curves in the generator list.
* @param generator
*/
public CompositeSurfaceImpl(List<? extends OrientableSurface> generator) {
super(generator);
}
// /**
// * The method <code>dimension</code> returns the inherent dimension of
// * this Object, which is less than or equal to the coordinate dimension. The
// * dimension of a collection of geometric objects is the largest dimension
// * of any of its pieces. Points are 0-dimensional, curves are 1-dimensional,
// * surfaces are 2-dimensional, and solids are 3-dimensional. Locally, the
// * dimension of a geometric object at a point is the dimension of a local
// * neighborhood of the point - that is the dimension of any coordinate
// * neighborhood of the point. Dimension is unambiguously defined only for
// * DirectPositions interior to this Object. If the passed DirectPosition2D
// * is NULL, then the method returns the largest possible dimension for any
// * DirectPosition2D in this Object.
// *
// * @param point
// * a <code>DirectPosition2D</code> value
// * @return an <code>int</code> value
// */
// public int dimension(final DirectPositionImpl point) {
// return 2;
// }
/* (non-Javadoc)
* @see org.geotools.geometry.featgeom.complex.ComplexImpl#getElements()
*/
// public List<Primitive> getElements() {
// return super.getElements();
// }
/* (non-Javadoc)
* @see org.geotools.geometry.featgeom.root.GeometryImpl#getBoundary()
*/
public SurfaceBoundary getBoundary() {
// 6.3.3 ComplexBoundary
// The boundary operation for Complex objects shall return a
// ComplexBoundary, which is a collection of primitives and a
// Complex of dimension 1 less than the original object.
// TODO SJ: Since the CompositeSurface only contains Surfaces:
// Is the Boundary a collection of SurfaceBoundaries?
// The result must be a Complex again, could it be a CompositeCurve which contains all (exterior and interior)Rings of the SurfaceBoundaries of the Surfaces which are contained by the CompositeSurface?
return null;
}
/* (non-Javadoc)
* @see org.geotools.geometry.featgeom.complex.CompositeImpl#getGeneratorClass()
*/
public Class getGeneratorClass() {
return org.geotools.geometry.iso.primitive.OrientableSurfaceImpl.class;
}
/* (non-Javadoc)
* @see org.geotools.geometry.featgeom.complex.ComplexImpl#createBoundary()
*/
public Set<Complex> createBoundary() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see org.geotools.geometry.featgeom.root.GeometryImpl#clone()
*/
public CompositeSurfaceImpl clone() throws CloneNotSupportedException {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see org.opengis.geometry.complex.Composite#getGenerators()
*/
public Set<OrientableSurface> getGenerators() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see org.opengis.geometry.coordinate.root.Geometry#isSimple()
*/
public boolean isSimple() {
// TODO Auto-generated method stub
return false;
}
/* (non-Javadoc)
* @see org.opengis.geometry.primitive.OrientableSurface#getComposite()
*/
public CompositeSurface getComposite() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see org.opengis.geometry.primitive.OrientablePrimitive#getOrientation()
*/
public int getOrientation() {
// TODO Auto-generated method stub
return 0;
}
/* (non-Javadoc)
* @see org.opengis.geometry.primitive.OrientablePrimitive#getPrimitive()
*/
public Surface getPrimitive() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see org.opengis.geometry.primitive.Primitive#getContainedPrimitives()
*/
public Set getContainedPrimitives() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see org.opengis.geometry.primitive.Primitive#getContainingPrimitives()
*/
public Set getContainingPrimitives() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see org.opengis.geometry.primitive.Primitive#getComplexes()
*/
public Set getComplexes() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see org.opengis.geometry.primitive.Primitive#getProxy()
*/
public OrientablePrimitive[] getProxy() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see org.geotools.geometry.featgeom.root.GeometryImpl#getDimension(org.opengis.geometry.coordinate.DirectPosition)
*/
public int getDimension(DirectPosition point) {
// TODO Auto-generated method stub
return 2;
}
/* (non-Javadoc)
* @see org.geotools.geometry.featgeom.root.GeometryImpl#getEnvelope()
*/
public Envelope getEnvelope() {
// Test ok
Collection<Primitive> tmpSurfaces = (Collection<Primitive>) this.getElements();
Iterator<Primitive> surfIter = tmpSurfaces.iterator();
if (!surfIter.hasNext())
return null;
Surface actSurf = (Surface) surfIter.next();
/* Use envelope of the first Curve as base for the new envelope */
EnvelopeImpl rEnv = new EnvelopeImpl(actSurf.getEnvelope());
//EnvelopeImpl rEnv = this.getFeatGeometryFactory().getGeometryFactoryImpl().createEnvelope(actSurf.getEnvelope());
/* Add envelopes of the other Curves */
while (surfIter.hasNext()) {
actSurf = (Surface) surfIter.next();
rEnv.expand(actSurf.getEnvelope());
}
return rEnv;
}
/* (non-Javadoc)
* @see org.geotools.geometry.featgeom.root.GeometryImpl#getRepresentativePoint()
*/
public DirectPosition getRepresentativePoint() {
// Return the representative point of the first surface in this composite
return this.elements.get(0).getRepresentativePoint();
}
}