/* (c) 2014 Open Source Geospatial Foundation - all rights reserved
* (c) 2001 - 2013 OpenPlans
* This code is licensed under the GPL 2.0 license, available at the root
* application directory.
*/
package org.geoserver.wps.gs;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertTrue;
import org.geoserver.wps.WPSTestSupport;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.data.simple.SimpleFeatureIterator;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.feature.DefaultFeatureCollection;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
import org.geotools.process.vector.BufferFeatureCollection;
import org.junit.Test;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.filter.FilterFactory;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.LinearRing;
import com.vividsolutions.jts.geom.PrecisionModel;
public class BufferFeatureCollectionTest extends WPSTestSupport {
FilterFactory ff = CommonFactoryFinder.getFilterFactory(null);
@Test
public void testExecutePoint() throws Exception {
SimpleFeatureTypeBuilder tb = new SimpleFeatureTypeBuilder();
tb.setName("featureType");
tb.add("geometry", Geometry.class);
tb.add("integer", Integer.class);
GeometryFactory gf = new GeometryFactory();
SimpleFeatureBuilder b = new SimpleFeatureBuilder(tb.buildFeatureType());
DefaultFeatureCollection features = new DefaultFeatureCollection(null, b.getFeatureType());
for (int i = 0; i < 2; i++) {
b.add(gf.createPoint(new Coordinate(i, i)));
b.add(i);
features.add(b.buildFeature(i + ""));
}
Double distance = new Double(500);
BufferFeatureCollection process = new BufferFeatureCollection();
SimpleFeatureCollection output = process.execute(features, distance, null);
assertEquals(2, output.size());
SimpleFeatureIterator iterator = output.features();
for (int i = 0; i < 2; i++) {
Geometry expected = gf.createPoint(new Coordinate(i, i)).buffer(distance);
SimpleFeature sf = iterator.next();
assertTrue(expected.equals((Geometry) sf.getDefaultGeometry()));
}
}
@Test
public void testExecuteLineString() throws Exception {
SimpleFeatureTypeBuilder tb = new SimpleFeatureTypeBuilder();
tb.setName("featureType");
tb.add("geometry", Geometry.class);
tb.add("integer", Integer.class);
GeometryFactory gf = new GeometryFactory();
SimpleFeatureBuilder b = new SimpleFeatureBuilder(tb.buildFeatureType());
DefaultFeatureCollection features = new DefaultFeatureCollection(null, b.getFeatureType());
for (int numFeatures = 0; numFeatures < 5; numFeatures++) {
Coordinate array[] = new Coordinate[4];
int j = 0;
for (int i = 0 + numFeatures; i < 4 + numFeatures; i++) {
array[j] = new Coordinate(i, i);
j++;
}
b.add(gf.createLineString(array));
b.add(0);
features.add(b.buildFeature(numFeatures + ""));
}
Double distance = new Double(500);
BufferFeatureCollection process = new BufferFeatureCollection();
SimpleFeatureCollection output = process.execute(features, distance, null);
assertEquals(5, output.size());
SimpleFeatureIterator iterator = output.features();
for (int numFeatures = 0; numFeatures < 5; numFeatures++) {
Coordinate[] array = new Coordinate[4];
int j = 0;
for (int i = 0 + numFeatures; i < 4 + numFeatures; i++) {
array[j] = new Coordinate(i, i);
j++;
}
Geometry expected = gf.createLineString(array).buffer(distance);
SimpleFeature sf = iterator.next();
assertTrue(expected.equals((Geometry) sf.getDefaultGeometry()));
}
}
@Test
public void testExecutePolygon() throws Exception {
SimpleFeatureTypeBuilder tb = new SimpleFeatureTypeBuilder();
tb.setName("featureType");
tb.add("geometry", Geometry.class);
tb.add("integer", Integer.class);
GeometryFactory gf = new GeometryFactory();
SimpleFeatureBuilder b = new SimpleFeatureBuilder(tb.buildFeatureType());
DefaultFeatureCollection features = new DefaultFeatureCollection(null, b.getFeatureType());
for (int numFeatures = 0; numFeatures < 5; numFeatures++) {
Coordinate array[] = new Coordinate[4];
int j = 0;
for (int i = 0 + numFeatures; i < 3 + numFeatures; i++) {
array[j] = new Coordinate(i, i);
j++;
}
array[3] = new Coordinate(numFeatures, numFeatures);
LinearRing shell = new LinearRing(array, new PrecisionModel(), 0);
b.add(gf.createPolygon(shell, null));
b.add(0);
features.add(b.buildFeature(numFeatures + ""));
}
Double distance = new Double(500);
BufferFeatureCollection process = new BufferFeatureCollection();
SimpleFeatureCollection output = process.execute(features, distance, null);
assertEquals(5, output.size());
SimpleFeatureIterator iterator = output.features();
for (int numFeatures = 0; numFeatures < 5; numFeatures++) {
Coordinate[] array = new Coordinate[4];
int j = 0;
for (int i = 0 + numFeatures; i < 3 + numFeatures; i++) {
array[j] = new Coordinate(i, i);
j++;
}
array[3] = new Coordinate(numFeatures, numFeatures);
LinearRing shell = new LinearRing(array, new PrecisionModel(), 0);
Geometry expected = gf.createPolygon(shell, null).buffer(distance);
SimpleFeature sf = iterator.next();
assertTrue(expected.equals((Geometry) sf.getDefaultGeometry()));
}
}
@Test
public void testExecuteBufferAttribute() throws Exception {
SimpleFeatureTypeBuilder tb = new SimpleFeatureTypeBuilder();
tb.setName("featureType");
tb.add("geometry", Geometry.class);
tb.add("integer", Integer.class);
tb.add("buffer", Double.class);
GeometryFactory gf = new GeometryFactory();
SimpleFeatureBuilder b = new SimpleFeatureBuilder(tb.buildFeatureType());
DefaultFeatureCollection features = new DefaultFeatureCollection(null, b.getFeatureType());
for (int numFeatures = 0; numFeatures < 5; numFeatures++) {
Coordinate array[] = new Coordinate[4];
int j = 0;
for (int i = 0 + numFeatures; i < 3 + numFeatures; i++) {
array[j] = new Coordinate(i, i);
j++;
}
array[3] = new Coordinate(numFeatures, numFeatures);
LinearRing shell = new LinearRing(array, new PrecisionModel(), 0);
b.add(gf.createPolygon(shell, null));
b.add(0);
b.add(500);
features.add(b.buildFeature(numFeatures + ""));
}
BufferFeatureCollection process = new BufferFeatureCollection();
SimpleFeatureCollection output = process.execute(features, null, "buffer");
assertEquals(5, output.size());
SimpleFeatureIterator iterator = output.features();
for (int numFeatures = 0; numFeatures < 5; numFeatures++) {
Coordinate[] array = new Coordinate[4];
int j = 0;
for (int i = 0 + numFeatures; i < 3 + numFeatures; i++) {
array[j] = new Coordinate(i, i);
j++;
}
array[3] = new Coordinate(numFeatures, numFeatures);
LinearRing shell = new LinearRing(array, new PrecisionModel(), 0);
Geometry expected = gf.createPolygon(shell, null).buffer(500);
SimpleFeature sf = iterator.next();
assertTrue(expected.equals((Geometry) sf.getDefaultGeometry()));
}
}
}