Application: gvSIG desktop

package org.gvsig.fmap.mapcontrol.tools;

import java.awt.geom.Point2D;

import junit.framework.TestCase;

import org.cresques.cts.IProjection;

import org.gvsig.fmap.crs.CRSFactory;

import org.gvsig.fmap.geom.impl.DefaultGeometryLibrary;

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontext.ViewPort;

import org.gvsig.fmap.mapcontrol.MapControl;

public class AreaListenerTest extends TestCase{

        private IProjection projectionUTM = CRSFactory.getCRS("EPSG:23030");

        private IProjection projectionGeo = CRSFactory.getCRS("EPSG:4230");

        /* (non-Javadoc)

         * @see junit.framework.TestCase#setUp()

         */

        @Override

        protected void setUp() throws Exception {

                super.setUp();

                register();

        }

        /**

         * Registers the libraries

         */

        protected void register() {

                //Initializes the geometries library

                DefaultGeometryLibrary lib = new DefaultGeometryLibrary();                

                lib.initialize();

                lib.postInitialize();                        

        }

        public void test1() {

                AreaListenerImpl areaListenerUTM=new AreaListenerImpl(newMapControlUTM());

                AreaListenerImpl areaListenerGeo=new AreaListenerImpl(newMapControlGeo());

                Double[] xsUTM=new Double[] {new Double(731292),new Double(731901),new Double(730138)};

                Double[] ysUTM=new Double[] {new Double(4351223),new Double(4350768),new Double(4349232)};

                double areaUTM=areaListenerUTM.returnCoordsArea(xsUTM,ysUTM,new Point2D.Double(730138,4349232));

                Double[] xsGeo=new Double[] {new Double(-0.31888183),new Double(-0.31173131),new Double(-0.33268401)};

                Double[] ysGeo=new Double[] {new Double(39.27871741),new Double(39.27464327),new Double(39.26117368)};

                double areaGeo=areaListenerGeo.returnGeoCArea(xsGeo,ysGeo,new Point2D.Double(-0.33268401,39.26117368));

                assertTrue("Area UTM igual a Geo",areaUTM<(areaGeo+1000)&& areaUTM>(areaGeo-1000));

        }

        private MapControl newMapControlUTM() {

                ViewPort vp = new ViewPort(projectionUTM);

                MapControl mc=new MapControl();

                mc.setMapContext(new MapContext(vp));

                return mc;

        }

        private MapControl newMapControlGeo() {

                ViewPort vp = new ViewPort(projectionGeo);

                MapControl mc=new MapControl();

                mc.setMapContext(new MapContext(vp));

                return mc;

        }

}