/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
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; either
version 2.1 of the License, or (at your option) any later version.
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.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53115 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.model.spatialschema;
import org.deegree.model.crs.CoordinateSystem;
/**
*
* Defining the iso geometry <code>SurfacePatch</code> which is used
* for building surfaces. A surface patch is made of one exterior ring
* and 0..n interior rings. By definition there can't be a surface patch
* with no exterior ring.
* A polygon is a specialized surface patch.
*
* -----------------------------------------------------
*
* @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
* @version $Revision: 1.6 $ $Date: 2006/07/12 14:46:15 $
*/
public interface SurfacePatch extends GenericSurface {
/**
* The interpolation determines the surface interpolation mechanism
* used for this SurfacePatch. This mechanism uses the control
* points and control parameters defined in the various subclasses
* to determine the position of this SurfacePatch.
*/
SurfaceInterpolation getInterpolation();
/**
* returns the exterior ring of the surface
*/
Position[] getExteriorRing();
/**
* returns the interior rings of the surface
*/
Position[][] getInteriorRings();
/**
* returns the coordinate system of the surface patch
*/
CoordinateSystem getCoordinateSystem();
/**
* The Boolean valued operation "intersects" shall return TRUE if this Geometry
* intersects another Geometry. Within a Complex, the Primitives do not
* intersect one another. In general, topologically structured data uses shared
* geometric objects to capture intersection information.
*/
boolean intersects(Geometry gmo);
/**
* The Boolean valued operation "contains" shall return TRUE if this Geometry
* contains another Geometry.
*/
boolean contains(Geometry gmo);
/**
* The operation "centroid" shall return the mathematical centroid for this
* Geometry. The result is not guaranteed to be on the object.
*/
public Point getCentroid();
/**
* The operation "area" shall return the area of this GenericSurface.
* The area of a 2 dimensional geometric object shall be a numeric
* measure of its surface area Since area is an accumulation (integral)
* of the product of two distances, its return value shall be in a unit
* of measure appropriate for measuring distances squared.
*/
public double getArea();
/**
* @link aggregationByValue
* @clientCardinality 1..*
*/
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: SurfacePatch.java,v $
Revision 1.6 2006/07/12 14:46:15 poth
comment footer added
********************************************************************** */