/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, 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.data.shapefile.shp;
import java.awt.Rectangle;
import java.awt.geom.AffineTransform;
import java.net.URL;
import junit.framework.TestCase;
import org.geotools.data.Query;
import org.geotools.data.shapefile.ShapefileDataStore;
import org.geotools.data.shapefile.ShapefileDataStoreFactory;
import org.geotools.data.shapefile.ShapefileRendererUtil;
import org.geotools.map.DefaultMapContext;
import org.geotools.map.MapContext;
import org.geotools.referencing.CRS;
import org.geotools.referencing.ReferencingFactoryFinder;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.geotools.referencing.operation.matrix.GeneralMatrix;
import org.geotools.referencing.operation.transform.IdentityTransform;
import org.geotools.renderer.lite.RendererUtilities;
import org.geotools.renderer.shape.LabelingTest;
import org.geotools.renderer.shape.ShapefileRenderer;
import org.geotools.renderer.shape.SimpleGeometry;
import org.geotools.renderer.shape.TestUtilites;
import org.geotools.styling.Style;
import org.geotools.test.TestData;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.opengis.referencing.operation.MathTransform;
import com.vividsolutions.jts.geom.Envelope;
/**
* Tests multilinehandler class
*
* @author jeichar
* @since 2.1.x
*
*
* @source $URL$
*/
public class SimpleMultiLineHandlerTest extends TestCase {
private static final boolean INTERACTIVE = false;
public void testRead() throws Exception{
URL url=TestData.getResource(LabelingTest.class, "streams.shp");
ShapefileDataStore ds=(ShapefileDataStore) new ShapefileDataStoreFactory().createDataStore(url);
Envelope env=ds.getFeatureSource().getBounds();
MathTransform mt=null;
AffineTransform transform = RendererUtilities.worldToScreenTransform(env, new Rectangle(512,512));
MathTransform at = ReferencingFactoryFinder.getMathTransformFactory(null)
.createAffineTransform(new GeneralMatrix(transform));
if (mt == null) {
mt = at;
} else {
mt = ReferencingFactoryFinder.getMathTransformFactory(null)
.createConcatenatedTransform(mt, at);
}
ShapefileReader reader=new ShapefileReader(ShapefileRendererUtil.getShpFiles(ds), false, false);
reader.setHandler(new org.geotools.renderer.shape.shapehandler.simple.MultiLineHandler(reader.getHeader().getShapeType(), env,
mt, false, new Rectangle(512,512) ));
Object shape=reader.nextRecord().shape();
assertNotNull( shape );
assertTrue( shape instanceof SimpleGeometry);
int i=0;
while( reader.hasNext() ){
i++;
shape=reader.nextRecord().shape();
assertNotNull( shape );
assertTrue( shape instanceof SimpleGeometry);
if( i==0 ){
SimpleGeometry geom=(SimpleGeometry) shape;
assertEquals(13, geom.coords[0].length);
}
}
assertEquals(ds.getFeatureSource().getCount(Query.ALL)-1, i);
}
public void testDecimation() throws Exception{
URL url=TestData.getResource(LabelingTest.class, "theme1.shp");
ShapefileDataStore ds=(ShapefileDataStore) new ShapefileDataStoreFactory().createDataStore(url);
Envelope env=new Envelope(-7.105552354197932,8.20555235419793,-3.239388966356115,4.191388966388683);
CoordinateReferenceSystem crs=DefaultGeographicCRS.WGS84;
MathTransform mt=CRS.findMathTransform(crs, DefaultGeographicCRS.WGS84);
AffineTransform at=RendererUtilities.worldToScreenTransform(env,new Rectangle(300,300));
MathTransform worldToScreen=ReferencingFactoryFinder.getMathTransformFactory(null)
.createAffineTransform(new GeneralMatrix(at));
mt = ReferencingFactoryFinder.getMathTransformFactory(null)
.createConcatenatedTransform(mt,worldToScreen);
ShapefileReader reader=new ShapefileReader(ShapefileRendererUtil.getShpFiles(ds), false, false);
reader.setHandler(new org.geotools.renderer.shape.shapehandler.simple.MultiLineHandler(reader.getHeader().getShapeType(), env, mt, false,new Rectangle(300,300)));
SimpleGeometry shape=(SimpleGeometry) reader.nextRecord().shape();
assertEquals( 6, shape.coords[0].length );
shape=(SimpleGeometry) reader.nextRecord().shape();
assertEquals( 4, shape.coords[0].length );
shape=(SimpleGeometry) reader.nextRecord().shape();
assertEquals( 4, shape.coords[0].length);
//
// assertEquals( shape.coords[0][0], 0, 0.00001 );
// assertEquals( shape.coords[0][1], 0, 0.00001 );
}
public void disabledtestFeatureNearBoundry() throws Exception{
ShapefileDataStore ds=(ShapefileDataStore) TestUtilites.getDataStore("theme1.shp");
Style style=TestUtilites.createTestStyle(null,"theme1");
assertNotNull(style);
MapContext map = new DefaultMapContext();
map.addLayer(ds.getFeatureSource(), style);
ShapefileRenderer renderer = new ShapefileRenderer(map);
Envelope env = new Envelope(-5,6,-1.4,0);
TestUtilites.INTERACTIVE=INTERACTIVE;
TestUtilites.showRender("testLineLabeling", renderer, 2000, env);
}
public void testBBoxIntersectSegment() throws Exception{
org.geotools.renderer.shape.shapehandler.simple.MultiLineHandler handler=
new org.geotools.renderer.shape.shapehandler.simple.MultiLineHandler(ShapeType.ARC, new Envelope(0,10,0,10),
IdentityTransform.create(2), false,
new Rectangle(0,0,10,10));
assertTrue("point contained in bbox", handler.bboxIntersectSegment(false, new double[]{1,1}, 2));
assertFalse("point outside of bbox",handler.bboxIntersectSegment(false, new double[]{-1,1}, 2));
assertTrue("Line enters bbox", handler.bboxIntersectSegment(false, new double[]{-1,1, 1,1}, 4));
assertTrue("line crosses bbox, no vertices contained",
handler.bboxIntersectSegment(false, new double[]{-1,1, 11,1}, 4));
assertFalse("line misses bbox", handler.bboxIntersectSegment(false, new double[]{-1,-1, 11,-1}, 4));
assertTrue("line diagonally crosses bbox, no vertices contained",
handler.bboxIntersectSegment(false, new double[]{2,-2, 12,6}, 4));
assertFalse("diagonal line misses bbox, no vertices contained",
handler.bboxIntersectSegment(false, new double[]{8,-4, 14,2}, 4));
}
}