| gvSIG desktop 1

/*

 * Created on 18-sep-2007

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id: MustNotHaveRepeatedPointsTest.java,v 1.2 2007/09/19 16:36:56 azabala Exp $

* $Log: MustNotHaveRepeatedPointsTest.java,v $

* Revision 1.2  2007/09/19 16:36:56  azabala

* added snap repeated points test

*

* Revision 1.1  2007/09/19 09:22:34  azabala

* first version in cvs

*

*

*/

package org.gvsig.topology.topologyrules;

import java.util.Collection;

import junit.framework.TestCase;

import org.gvsig.jts.RepeatedPointTester;

import org.gvsig.jts.SnapCoordinateList;

import org.gvsig.jts.SnapRepeatedPointTester;

import org.gvsig.topology.TopologyRuleDefinitionException;

import org.gvsig.topology.util.TestTopologyErrorContainer;

import com.iver.cit.gvsig.fmap.layers.FLyrVect;

import com.vividsolutions.jts.geom.Coordinate;

import com.vividsolutions.jts.geom.Geometry;

import com.vividsolutions.jts.geom.GeometryFactory;

import com.vividsolutions.jts.geom.PrecisionModel;

import com.vividsolutions.jts.io.ParseException;

import com.vividsolutions.jts.io.WKTReader;

public class MustNotHaveRepeatedPointsTest extends TestCase {

        PrecisionModel pm = new PrecisionModel(10000);

        GeometryFactory factory = new GeometryFactory(pm);

        WKTReader wktReader = new WKTReader(factory);

        Geometry multiPoint;

        Geometry multiPoint2;

        Geometry lineString;

        Geometry polygon;

        public void setUp() throws Exception{

                super.setUp();

                multiPoint = wktReader.read("MULTIPOINT (520 160, 540 180, 540 180, 540 180, 600 180, 580 140, 640 140, 640 140, 640 160)");

                multiPoint2 = wktReader.read("MULTIPOINT (520 160, 540 180, 600 180, 580 140, 640 140,  640 160)");

                lineString = wktReader.read("LINESTRING (520 120, 560 180, 560 180, 560 180, 620 160, 660 200, 700 140, 700 140, 700 140, 620 120)");

                polygon = wktReader.read("POLYGON ((600 180, 600 180, 600 180, 600 180, 540 200, 480 140, 540 120, 540 120, 680 160, 600 180, 600 180))");

        }

        public void tearDown() throws Exception{

                super.tearDown();

                multiPoint = null;

                lineString = null;

                polygon = null;

                pm = null;

                factory = null;

                wktReader = null;

        }

        public void testRepeatedPointTester() {

                RepeatedPointTester tester = new RepeatedPointTester();

                boolean bMultiPoint = tester.hasRepeatedPoint(multiPoint);

                Collection<Coordinate> mp = tester.getRepeatedCoordinates();

                tester.clear();

                boolean bLineString = tester.hasRepeatedPoint(lineString);

                Collection<Coordinate> mp2 = tester.getRepeatedCoordinates();

                tester.clear();

                boolean bPolygon = tester.hasRepeatedPoint(polygon);

                Collection<Coordinate> mp3 = tester.getRepeatedCoordinates();

                assertTrue(bMultiPoint);

                assertTrue(bLineString);

                assertTrue(bPolygon);

                assertTrue(mp.size() == 2);

                assertTrue(mp2.size() == 2);

                assertTrue(mp3.size() == 2);

        }

        public void testRemoveRepeatedPoints(){

                RepeatedPointTester tester = new RepeatedPointTester();

                multiPoint = tester.removeRepeatedPoints(multiPoint);

                lineString = tester.removeRepeatedPoints(lineString);

                polygon = tester.removeRepeatedPoints(polygon);

        }

        public void testMustNotHaveRepeatedPointsRule() throws ParseException{

                FLyrVect multiPointLayer = org.gvsig.topology.util.LayerFactory.getLyrWithRepeatedCoords();

                MustNotHaveRepeatedPoints rule = new MustNotHaveRepeatedPoints(multiPointLayer);

                TestTopologyErrorContainer errorContainer = new TestTopologyErrorContainer();

                rule.setTopologyErrorContainer(errorContainer);

                try {

                        rule.checkPreconditions();

                        rule.checkRule();

                        int numberOfErrors = errorContainer.getNumberOfErrors();

                        assertTrue(numberOfErrors == 1);

                } catch (TopologyRuleDefinitionException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

        }

        public void testSnapCoordinateList(){

                SnapCoordinateList coordList = new SnapCoordinateList(0.01);

                Coordinate coord1 = new Coordinate(100, 100);

                Coordinate coord2 = new Coordinate(200, 200);

                Coordinate coord3 = new Coordinate(300, 100);

                Coordinate coord4 = new Coordinate(400, 400);

                Coordinate coord5 = new Coordinate(400.001, 400.001);

                coordList.add(coord1, false);

                coordList.add(coord2, false);

                coordList.add(coord3, false);

                coordList.add(coord4, false);

                coordList.add(coord5, false);

                Coordinate[] coords = coordList.toCoordinateArray();

                assertTrue(coords.length == 4);

        }

        /**

         * The same test that testRepeatedPointTester with snapped coordinates

         * @throws ParseException

         */

        public void testSnapRepeatedPointTester() throws ParseException{

                Geometry multiPoint = wktReader.read("MULTIPOINT (520 160, 540 180, 540.002 179.999, 540.01 179.999, 600 180, 580 140, 640 140, 640 140, 640 160)");

                Geometry lineString = wktReader.read("LINESTRING (520 120, 560 180, 560 180.001, 560.001 180, 620 160, 660 200, 700 140, 700 140, 700 140, 620 120)");

                Geometry polygon = wktReader.read("POLYGON ((600 180, 600 179.999, 600.004 180, 600 180, 540 200, 480 140, 540 120, 540 120, 680 160, 600 180, 600 180))");

                SnapRepeatedPointTester tester = new SnapRepeatedPointTester(0.011);

                boolean bMultiPoint = tester.hasRepeatedPoint(multiPoint);

                Collection<Coordinate> mpA = tester.getRepeatedCoordinates();

                tester.clear();

                boolean bLineString = tester.hasRepeatedPoint(lineString);

                Collection<Coordinate> mpB = tester.getRepeatedCoordinates();

                tester.clear();

                boolean bPolygon = tester.hasRepeatedPoint(polygon);

                Collection<Coordinate> mpC = tester.getRepeatedCoordinates();

                assertTrue(bMultiPoint);

                assertTrue(bLineString);

                assertTrue(bPolygon);

                assertTrue(mpA.size() == 2);

                assertTrue(mpB.size() == 2);

                assertTrue(mpC.size() == 2);

                multiPoint = tester.removeRepeatedPoints(multiPoint);

                lineString = tester.removeRepeatedPoints(lineString);

                polygon = tester.removeRepeatedPoints(polygon);

        }

}