/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2006-2010, 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.postgis;
import java.awt.RenderingHints;
import org.geotools.data.DataUtilities;
import org.geotools.data.Query;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.data.store.ContentFeatureSource;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.factory.Hints;
import org.geotools.feature.FeatureCollection;
import org.geotools.feature.FeatureIterator;
import org.geotools.jdbc.JDBCDataStore;
import org.geotools.jdbc.JDBCGeographyTest;
import org.geotools.jdbc.JDBCGeographyTestSetup;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.filter.FilterFactory2;
import org.opengis.filter.expression.Literal;
import org.opengis.filter.expression.PropertyName;
import org.opengis.filter.spatial.DWithin;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryCollection;
import com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.Point;
/**
*
*
* @source $URL$
*/
public class PostgisGeographyTest extends JDBCGeographyTest {
@Override
protected JDBCGeographyTestSetup createTestSetup() {
return new PostgisGeographyTestSetup(new PostGISTestSetup());
}
@Override
public void testSchema() throws Exception {
super.testSchema();
if (!isGeographySupportAvailable()) {
return;
}
// extra check, pg specific: the native typename is actually geography
SimpleFeatureType ft = dataStore.getFeatureSource(tname("geopoint")).getSchema();
assertEquals("geography", ft.getGeometryDescriptor().getUserData().get(JDBCDataStore.JDBC_NATIVE_TYPENAME));
}
// As reported in GEOS-4384 (http://jira.codehaus.org/browse/GEOS-4384)
public void testDWithinOGCUnits() throws Exception {
validateOGCUnitUsage(10000, "m");
validateOGCUnitUsage(10000, "metre");
validateOGCUnitUsage(10000, "meters");
validateOGCUnitUsage(10000 * 1000, "mm");
validateOGCUnitUsage(10, "kilometers");
validateOGCUnitUsage(10, "km");
validateOGCUnitUsage(10, "kilometer");
validateOGCUnitUsage(10000 / 0.0254, "in");
validateOGCUnitUsage(10000 / 0.3048, "feet");
validateOGCUnitUsage(10000 / 0.3048, "foot");
validateOGCUnitUsage(10000 / 0.3048, "ft");
validateOGCUnitUsage(10000 / 1609.344, "mi");
validateOGCUnitUsage(10000 / 1609.344, "mile");
validateOGCUnitUsage(10000 / 1609.344, "miles");
validateOGCUnitUsage(10000 / 1852, "NM");
}
private void validateOGCUnitUsage(double distance, String unit) throws Exception {
Coordinate coordinate = new Coordinate(-110, 30);
GeometryFactory factory = new GeometryFactory();
Point point = factory.createPoint(coordinate);
Geometry[] geometries = {point};
GeometryCollection geometry = new GeometryCollection(geometries, factory );
FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
PropertyName geomName = ff.property(aname("geo"));
Literal lit = ff.literal(geometry);
DWithin dwithinGeomFilter = ((FilterFactory2) ff).dwithin(geomName, lit, distance, unit);
Query query = new Query(tname("geopoint"), dwithinGeomFilter);
SimpleFeatureCollection features = dataStore.getFeatureSource(tname("geopoint")).getFeatures(query);
assertEquals(1, features.size());
checkSingleResult(features, "Town");
}
protected void checkSingleResult(FeatureCollection features, String name) {
assertEquals(1, features.size());
FeatureIterator fr = features.features();
assertTrue(fr.hasNext());
SimpleFeature f = (SimpleFeature) fr.next();
assertNotNull(f);
assertEquals(name, f.getAttribute(aname("name")));
assertFalse(fr.hasNext());
fr.close();
}
public void testSimplifyGeography() throws Exception {
// try to simplify geometry, but ST_Simplify is not defined for geometry
Query query = new Query(tname("geoline"));
query.getHints().add(new RenderingHints(Hints.GEOMETRY_SIMPLIFICATION, 2.0));
// used to go boom here
ContentFeatureSource fs = dataStore.getFeatureSource(tname("geoline"));
SimpleFeatureCollection features = fs.getFeatures(query);
// check the geometry is what we expect (but make it so that if in the future we can simplify
// over geography, the test still passes
SimpleFeature sf = DataUtilities.first(features);
LineString ls = (LineString) sf.getDefaultGeometry();
assertEquals(0d, ls.getStartPoint().getX());
assertEquals(0d, ls.getStartPoint().getY());
assertEquals(4d, ls.getEndPoint().getX());
assertEquals(4d, ls.getEndPoint().getY());
}
}