/*
* 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.r.rastervaluerounder;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSRASTERVALUEROUNDER_AUTHORCONTACTS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSRASTERVALUEROUNDER_AUTHORNAMES;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSRASTERVALUEROUNDER_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSRASTERVALUEROUNDER_DOCUMENTATION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSRASTERVALUEROUNDER_KEYWORDS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSRASTERVALUEROUNDER_LABEL;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSRASTERVALUEROUNDER_LICENSE;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSRASTERVALUEROUNDER_NAME;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSRASTERVALUEROUNDER_STATUS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSRASTERVALUEROUNDER_IN_RASTER_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSRASTERVALUEROUNDER_OUT_RASTER_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSRASTERVALUEROUNDER_P_PATTERN_DESCRIPTION;
import static org.jgrasstools.gears.libs.modules.JGTConstants.doubleNovalue;
import static org.jgrasstools.gears.libs.modules.JGTConstants.isNovalue;
import java.awt.image.WritableRaster;
import java.text.DecimalFormat;
import javax.media.jai.iterator.RandomIter;
import javax.media.jai.iterator.WritableRandomIter;
import oms3.annotations.Author;
import oms3.annotations.Description;
import oms3.annotations.Documentation;
import oms3.annotations.Execute;
import oms3.annotations.In;
import oms3.annotations.Keywords;
import oms3.annotations.Label;
import oms3.annotations.License;
import oms3.annotations.Name;
import oms3.annotations.Out;
import oms3.annotations.Status;
import org.geotools.coverage.grid.GridCoverage2D;
import org.jgrasstools.gears.libs.modules.JGTModel;
import org.jgrasstools.gears.utils.RegionMap;
import org.jgrasstools.gears.utils.coverage.CoverageUtilities;
@Description(OMSRASTERVALUEROUNDER_DESCRIPTION)
@Documentation(OMSRASTERVALUEROUNDER_DOCUMENTATION)
@Author(name = OMSRASTERVALUEROUNDER_AUTHORNAMES, contact = OMSRASTERVALUEROUNDER_AUTHORCONTACTS)
@Keywords(OMSRASTERVALUEROUNDER_KEYWORDS)
@Label(OMSRASTERVALUEROUNDER_LABEL)
@Name(OMSRASTERVALUEROUNDER_NAME)
@Status(OMSRASTERVALUEROUNDER_STATUS)
@License(OMSRASTERVALUEROUNDER_LICENSE)
public class OmsRasterValueRounder extends JGTModel {
@Description(OMSRASTERVALUEROUNDER_IN_RASTER_DESCRIPTION)
@In
public GridCoverage2D inRaster;
@Description(OMSRASTERVALUEROUNDER_P_PATTERN_DESCRIPTION)
@In
public String pPattern = null;
@Description(OMSRASTERVALUEROUNDER_OUT_RASTER_DESCRIPTION)
@Out
public GridCoverage2D outRaster;
private DecimalFormat formatter = null;
@Execute
public void process() throws Exception {
if (!concatOr(outRaster == null, doReset)) {
return;
}
checkNull(inRaster, pPattern);
formatter = new DecimalFormat(pPattern);
RegionMap regionMap = CoverageUtilities.getRegionParamsFromGridCoverage(inRaster);
int rows = regionMap.getRows();
int cols = regionMap.getCols();
WritableRaster outWR = CoverageUtilities.createDoubleWritableRaster(cols, rows, null, null, null);
RandomIter inRasterIter = CoverageUtilities.getRandomIterator(inRaster);
WritableRandomIter outIter = CoverageUtilities.getWritableRandomIterator(outWR);
pm.beginTask("Rounding data...", cols);
for( int c = 0; c < cols; c++ ) {
if (isCanceled(pm)) {
return;
}
for( int r = 0; r < rows; r++ ) {
double value = inRasterIter.getSampleDouble(c, r, 0);
if (!isNovalue(value)) {
String formatted = formatter.format(value);
value = Double.parseDouble(formatted);
outIter.setSample(c, r, 0, value);
} else {
outIter.setSample(c, r, 0, doubleNovalue);
}
}
pm.worked(1);
}
pm.done();
outIter.done();
outRaster = CoverageUtilities.buildCoverage("rounded", outWR, regionMap, inRaster.getCoordinateReferenceSystem());
}
}