/*
* 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 java.util.HashMap;
import org.geotools.coverage.grid.GridCoverage2D;
import org.jgrasstools.gears.libs.modules.Variables;
import org.jgrasstools.gears.modules.r.transformer.OmsRasterResolutionResampler;
import org.jgrasstools.gears.utils.HMTestCase;
import org.jgrasstools.gears.utils.HMTestMaps;
import org.jgrasstools.gears.utils.coverage.CoverageUtilities;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
/**
* Test {@link OmsRasterResolutionResampler}.
*
* @author Andrea Antonello (www.hydrologis.com)
*/
public class TestRasterResolutionResampler extends HMTestCase {
public void testRasterResolutionResampler() throws Exception {
double[][] flowData = HMTestMaps.flowData;
HashMap<String, Double> envelopeParams = HMTestMaps.getEnvelopeparams();
CoordinateReferenceSystem crs = HMTestMaps.getCrs();
GridCoverage2D flowCoverage = CoverageUtilities.buildCoverage("flow", flowData, envelopeParams, crs, true);
OmsRasterResolutionResampler transformer = new OmsRasterResolutionResampler();
transformer.inGeodata = flowCoverage;
transformer.pInterpolation = Variables.NEAREST_NEIGHTBOUR;
transformer.pXres = 60.0;
transformer.pYres = 60.0;
transformer.process();
GridCoverage2D outCoverage = transformer.outGeodata;
double value = CoverageUtilities.getValue(outCoverage, 1, 1);
assertEquals(7.0, value, 0.000000001);
}
}