/*
* 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.jts.spatialschema.geometry.primitive;
import java.util.ArrayList;
import java.util.List;
import junit.framework.TestCase;
import org.geotools.geometry.jts.spatialschema.PositionFactoryImpl;
import org.geotools.geometry.jts.spatialschema.geometry.geometry.JTSGeometryFactory;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.opengis.geometry.DirectPosition;
import org.opengis.geometry.coordinate.LineSegment;
import org.opengis.geometry.coordinate.PointArray;
import org.opengis.geometry.primitive.Curve;
import org.opengis.geometry.primitive.CurveSegment;
import org.opengis.geometry.primitive.OrientableCurve;
import org.opengis.geometry.primitive.Ring;
import org.opengis.geometry.primitive.Surface;
import org.opengis.geometry.primitive.SurfaceBoundary;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.Polygon;
/**
*
*
* @source $URL$
*/
public class SurfaceImplTest extends TestCase {
private PositionFactoryImpl postitionFactory;
private PrimitiveFactoryImpl primitiveFactory;
private JTSGeometryFactory geometryFactory;
protected void setUp() throws Exception {
postitionFactory = new PositionFactoryImpl( DefaultGeographicCRS.WGS84 );
primitiveFactory = new PrimitiveFactoryImpl( DefaultGeographicCRS.WGS84 );
geometryFactory = new JTSGeometryFactory( DefaultGeographicCRS.WGS84 );
// TODO Auto-generated method stub
super.setUp();
}
/** We need to create a large surface with 7000 points */
public void testLargeSurface(){
int NUMBER = 100000;
double delta = 360.0 / (double) NUMBER;
PointArray points = postitionFactory.createPointArray();
for( double angle = 0.0; angle < 360.0; angle += delta ){
double ordinates[] = new double[]{
Math.sin( Math.toRadians(angle) ),
Math.cos( Math.toRadians(angle) )
};
DirectPosition point = postitionFactory.createDirectPosition( ordinates );
points.add( point );
}
List<OrientableCurve> curves = new ArrayList<OrientableCurve>();
// A curve will be created
// - The curve will be set as parent curves for the Curve segments
// - Start and end params for the CurveSegments will be set
List<CurveSegment> segmentList = new ArrayList<CurveSegment>();
for( int i=0; i<points.size();i++){
int start = i;
int end = (i+1)%points.size();
DirectPosition point1 = points.getDirectPosition( start, null );
DirectPosition point2 = points.getDirectPosition( end, null );
LineSegment segment = geometryFactory.createLineSegment( point1, point2 );
segmentList.add( segment );
}
Curve curve = primitiveFactory.createCurve( segmentList );
curves.add( curve);
Ring ring = primitiveFactory.createRing( curves );
SurfaceBoundary boundary = primitiveFactory.createSurfaceBoundary(ring,new ArrayList());
SurfaceImpl surface = (SurfaceImpl) primitiveFactory.createSurface(boundary);
Geometry peer = surface.computeJTSPeer();
}
}