/*
* This file is part of JGrasstools (http://www.jgrasstools.org)
* (C) HydroloGIS - www.hydrologis.com
*
* JGrasstools 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 3 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, see <http://www.gnu.org/licenses/>.
*/
package org.jgrasstools.gears.modules;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.feature.DefaultFeatureCollection;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.jgrasstools.gears.modules.v.vectorfieldrounder.OmsVectorFieldRounder;
import org.jgrasstools.gears.utils.HMTestCase;
import org.jgrasstools.gears.utils.features.FeatureUtilities;
import org.jgrasstools.gears.utils.geometry.GeometryUtilities;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Point;
/**
* Test {@link OmsVectorFieldRounder}.
*
* @author Andrea Antonello (www.hydrologis.com)
*/
public class TestVectorFieldRounder extends HMTestCase {
public void testVectorFieldRounder() throws Exception {
SimpleFeatureTypeBuilder b = new SimpleFeatureTypeBuilder();
b.setName("test");
b.setCRS(DefaultGeographicCRS.WGS84);
b.add("the_geom", Point.class);
b.add("area", Double.class);
DefaultFeatureCollection newCollection = new DefaultFeatureCollection();
SimpleFeatureType type = b.buildFeatureType();
SimpleFeatureBuilder builder = new SimpleFeatureBuilder(type);
Point point = GeometryUtilities.gf().createPoint(new Coordinate(0, 0));
Object[] values = new Object[]{point, 123.456789};
builder.addAll(values);
SimpleFeature feature = builder.buildFeature(type.getTypeName() + ".0");
newCollection.add(feature);
OmsVectorFieldRounder rounder = new OmsVectorFieldRounder();
rounder.inVector = newCollection;
rounder.fRound = "area";
rounder.pPattern = ".##";
rounder.process();
SimpleFeatureCollection outFeatures = rounder.outVector;
SimpleFeature f = FeatureUtilities.featureCollectionToList(outFeatures).get(0);
String areaStr = f.getAttribute("area").toString();
assertTrue(areaStr.equals("123.46"));
}
}