/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2004-2008, 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.iso.primitive;
import java.util.ArrayList;
import java.util.List;
import junit.framework.TestCase;
import org.geotools.geometry.GeometryBuilder;
import org.geotools.geometry.iso.coordinate.EnvelopeImpl;
import org.geotools.geometry.iso.coordinate.GeometryFactoryImpl;
import org.geotools.geometry.iso.coordinate.DirectPositionImpl;
import org.geotools.geometry.iso.coordinate.PositionImpl;
import org.geotools.geometry.iso.primitive.CurveImpl;
import org.geotools.geometry.iso.primitive.PrimitiveFactoryImpl;
import org.geotools.geometry.iso.primitive.RingImpl;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.opengis.geometry.DirectPosition;
import org.opengis.geometry.coordinate.Position;
import org.opengis.geometry.primitive.CurveBoundary;
import org.opengis.geometry.primitive.CurveSegment;
import org.opengis.geometry.primitive.OrientableCurve;
import org.opengis.geometry.primitive.Ring;
import org.opengis.geometry.primitive.SurfaceBoundary;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
/**
* @author sanjay
*
*
*
*
*
* @source $URL$
*/
public class BoundaryTest extends TestCase {
private CoordinateReferenceSystem crs;
public void testMain() {
GeometryBuilder builder = new GeometryBuilder(DefaultGeographicCRS.WGS84);
this.crs = DefaultGeographicCRS.WGS84;
this._testCurveBoundary1(builder);
this._testSurfaceBoundary1(builder);
}
private void _testCurveBoundary1(GeometryBuilder builder) {
GeometryFactoryImpl tCoordFactory = (GeometryFactoryImpl) builder.getGeometryFactory();
PrimitiveFactoryImpl tPrimitiveFactory = (PrimitiveFactoryImpl) builder.getPrimitiveFactory();
DirectPosition dp1 = tCoordFactory.createDirectPosition(new double[] {0, 0});
DirectPosition dp2 = tCoordFactory.createDirectPosition(new double[] {100, 100});
CurveBoundary curveBoundary1 = tPrimitiveFactory.createCurveBoundary(dp1, dp2);
//System.out.println(curveBoundary1);
// RepresentativePoint()
DirectPosition dp = curveBoundary1.getRepresentativePoint();
assertTrue(dp.getOrdinate(0) == 0);
assertTrue(dp.getOrdinate(1) == 0);
assertTrue(curveBoundary1.isCycle() == true);
// Test creating a curve boundary with the same start and end point (should result in
// an exception).
PointImpl point1 = new PointImpl(dp1);
try {
CurveBoundaryImpl b2 = new CurveBoundaryImpl(this.crs, point1, point1);
// fail if we get here, the above should throw an exception
fail();
}
catch (IllegalArgumentException expected) {
}
// test clone
PointImpl point2 = new PointImpl(dp2);
CurveBoundaryImpl b2 = new CurveBoundaryImpl(curveBoundary1.getCoordinateReferenceSystem(), point1, point2);
try {
CurveBoundaryImpl expected = ((CurveBoundaryImpl) curveBoundary1).clone();
assertTrue(b2.equals(expected));
} catch (CloneNotSupportedException e) {
e.printStackTrace();
fail();
}
// test toString
String toS = b2.toString();
assertTrue(toS != null);
assertTrue(toS.length() > 0);
// test getEnvelope
EnvelopeImpl env = b2.getEnvelope();
EnvelopeImpl exp_env = new EnvelopeImpl(dp1, dp2);
assertTrue(env.equals(exp_env));
// test isSimple
assertTrue(b2.isSimple());
// test obj equals and hashcode
assertTrue(b2.equals((Object) curveBoundary1));
assertTrue(b2.equals((Object) b2));
assertFalse(b2.equals((Object) dp1));
assertFalse(b2.equals((Object) null));
DirectPosition dp3 = tCoordFactory.createDirectPosition(new double[] {3, 3});
PointImpl point3 = new PointImpl(dp3);
assertFalse(b2.equals((Object) new CurveBoundaryImpl(this.crs, point1, point3)));
assertFalse(b2.hashCode() == ((CurveBoundaryImpl) curveBoundary1).hashCode());
}
private void _testSurfaceBoundary1(GeometryBuilder builder) {
GeometryFactoryImpl tCoordFactory = (GeometryFactoryImpl) builder.getGeometryFactory();
PrimitiveFactoryImpl tPrimFactory = (PrimitiveFactoryImpl) builder.getPrimitiveFactory();
/* Defining Positions for LineStrings */
ArrayList<Position> line1 = new ArrayList<Position>();
line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{50, 20})));
line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{30, 30})));
line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{20, 50})));
line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{20, 70})));
ArrayList<Position> line2 = new ArrayList<Position>();
line2.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{20, 70})));
line2.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{40, 80})));
line2.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{70, 80})));
ArrayList<Position> line3 = new ArrayList<Position>();
line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{70, 80})));
line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{90, 70})));
line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{100, 60})));
line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{100, 40})));
ArrayList<Position> line4 = new ArrayList<Position>();
line4.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{100, 40})));
line4.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{80, 30})));
line4.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{50, 20})));
/* Setting up Array of these LineStrings */
ArrayList<CurveSegment> tLineList1 = new ArrayList<CurveSegment>();
tLineList1.add(tCoordFactory.createLineString(line1));
tLineList1.add(tCoordFactory.createLineString(line2));
ArrayList<CurveSegment> tLineList2 = new ArrayList<CurveSegment>();
tLineList2.add(tCoordFactory.createLineString(line3));
tLineList2.add(tCoordFactory.createLineString(line4));
/* Build Curve */
CurveImpl curve1 = tPrimFactory.createCurve(tLineList1);
CurveImpl curve2 = tPrimFactory.createCurve(tLineList2);
/* Build Ring */
ArrayList<OrientableCurve> curveList = new ArrayList<OrientableCurve>();
curveList.add(curve1);
curveList.add(curve2);
Ring exteriorring1 = tPrimFactory.createRing(curveList);
//System.out.println(exteriorring1);
List<Ring> interiors = new ArrayList<Ring>();
SurfaceBoundary surfaceBoundary1 = tPrimFactory.createSurfaceBoundary(exteriorring1, interiors);
//System.out.println(surfaceBoundary1);
assertTrue(surfaceBoundary1.isCycle() == true);
// clone()
SurfaceBoundary surfaceBoundary2 = null;
try {
surfaceBoundary2 = (SurfaceBoundary) surfaceBoundary1.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(surfaceBoundary1 != surfaceBoundary2);
assertTrue(surfaceBoundary1.getExterior() != surfaceBoundary2.getExterior());
if (surfaceBoundary1.getInteriors().size() > 0) {
assertTrue(surfaceBoundary1.getInteriors().get(0) != surfaceBoundary2.getInteriors().get(0));
}
// RepresentativePoint()
DirectPosition dp = surfaceBoundary1.getRepresentativePoint();
assertTrue(dp.getOrdinate(0) == 50);
assertTrue(dp.getOrdinate(1) == 20);
}
}