/* * 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; 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(); } }