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/*
* This file is part of HortonMachine (http://www.hortonmachine.org)
* (C) HydroloGIS - www.hydrologis.com
*
* The HortonMachine 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 .
*/
package org.hortonmachine.gears.modules.r.cutout;
import static org.hortonmachine.gears.libs.modules.HMConstants.RASTERPROCESSING;
import static org.hortonmachine.gears.libs.modules.HMConstants.isNovalue;
import java.awt.image.RenderedImage;
import java.awt.image.WritableRaster;
import javax.media.jai.iterator.RandomIter;
import javax.media.jai.iterator.RandomIterFactory;
import javax.media.jai.iterator.WritableRandomIter;
import org.geotools.coverage.grid.GridCoverage2D;
import org.hortonmachine.gears.libs.modules.HMConstants;
import org.hortonmachine.gears.libs.modules.multiprocessing.GridMultiProcessing;
import org.hortonmachine.gears.utils.RegionMap;
import org.hortonmachine.gears.utils.coverage.CoverageUtilities;
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;
@Description(OmsCutOut.OMSCUTOUT_DESCRIPTION)
@Documentation(OmsCutOut.OMSCUTOUT_DOCUMENTATION)
@Author(name = OmsCutOut.OMSCUTOUT_AUTHORNAMES, contact = OmsCutOut.OMSCUTOUT_AUTHORCONTACTS)
@Keywords(OmsCutOut.OMSCUTOUT_KEYWORDS)
@Label(OmsCutOut.OMSCUTOUT_LABEL)
@Name(OmsCutOut.OMSCUTOUT_NAME)
@Status(OmsCutOut.OMSCUTOUT_STATUS)
@License(OmsCutOut.OMSCUTOUT_LICENSE)
public class OmsCutOut extends GridMultiProcessing {
@Description(OMSCUTOUT_IN_RASTER_DESCRIPTION)
@In
public GridCoverage2D inRaster;
@Description(OMSCUTOUT_IN_MASK_DESCRIPTION)
@In
public GridCoverage2D inMask;
@Description(OMSCUTOUT_P_MAX_DESCRIPTION)
@In
public Double pMax;
@Description(OMSCUTOUT_P_MIN_DESCRIPTION)
@In
public Double pMin;
@Description(OMSCUTOUT_DO_INVERSE_DESCRIPTION)
@In
public boolean doInverse = false;
@Description(OMSCUTOUT_OUT_RASTER_DESCRIPTION)
@Out
public GridCoverage2D outRaster = null;
public static final String OMSCUTOUT_DESCRIPTION = "Module for raster thresholding and masking.";
public static final String OMSCUTOUT_DOCUMENTATION = "OmsCutOut.html";
public static final String OMSCUTOUT_KEYWORDS = "Raster, Threshold, OmsMapcalc";
public static final String OMSCUTOUT_LABEL = RASTERPROCESSING;
public static final String OMSCUTOUT_NAME = "cutout";
public static final int OMSCUTOUT_STATUS = 40;
public static final String OMSCUTOUT_LICENSE = "General Public License Version 3 (GPLv3)";
public static final String OMSCUTOUT_AUTHORNAMES = "Silvia Franceschi, Andrea Antonello";
public static final String OMSCUTOUT_AUTHORCONTACTS = "http://www.hydrologis.com";
public static final String OMSCUTOUT_IN_RASTER_DESCRIPTION = "The map that has to be processed.";
public static final String OMSCUTOUT_IN_MASK_DESCRIPTION = "The map to use as mask.";
public static final String OMSCUTOUT_P_MAX_DESCRIPTION = "The upper threshold value.";
public static final String OMSCUTOUT_P_MIN_DESCRIPTION = "The lower threshold value.";
public static final String OMSCUTOUT_DO_INVERSE_DESCRIPTION = "Switch for doing extraction of the mask area or the inverse (negative). Default is false and extract the mask area.";
public static final String OMSCUTOUT_OUT_RASTER_DESCRIPTION = "The processed map.";
private RandomIter maskIter;
private boolean doMax = false;
private boolean doMin = false;
private double max = -1;
private double min = -1;
@Execute
public void process() throws Exception {
if (!concatOr(outRaster == null, doReset)) {
return;
}
// do autoboxing only once
if (pMax != null) {
max = pMax;
doMax = true;
}
if (pMin != null) {
min = pMin;
doMin = true;
}
RegionMap regionMap = CoverageUtilities.getRegionParamsFromGridCoverage(inRaster);
int nCols = regionMap.getCols();
int nRows = regionMap.getRows();
RenderedImage geodataRI = inRaster.getRenderedImage();
RandomIter geodataIter = RandomIterFactory.create(geodataRI, null);
if (inMask != null) {
RenderedImage maskRI = inMask.getRenderedImage();
maskIter = RandomIterFactory.create(maskRI, null);
}
WritableRaster outWR = CoverageUtilities.renderedImage2WritableRaster(geodataRI, false);
WritableRandomIter outIter = RandomIterFactory.createWritable(outWR, null);
try {
pm.beginTask("Processing map...", nRows * nCols);
processGrid(nCols, nRows, false, ( c, r ) -> {
if (pm.isCanceled()) {
return;
}
pm.worked(1);
if (maskIter != null) {
double maskValue = maskIter.getSampleDouble(c, r, 0);
if (!doInverse) {
if (isNovalue(maskValue)) {
outIter.setSample(c, r, 0, HMConstants.doubleNovalue);
return;
}
} else {
if (!isNovalue(maskValue)) {
outIter.setSample(c, r, 0, HMConstants.doubleNovalue);
return;
}
}
}
double value = geodataIter.getSampleDouble(c, r, 0);
if (doMax && value > max) {
outIter.setSample(c, r, 0, HMConstants.doubleNovalue);
return;
}
if (doMin && value < min) {
outIter.setSample(c, r, 0, HMConstants.doubleNovalue);
}
});
pm.done();
} finally {
geodataIter.done();
outIter.done();
if (maskIter != null) {
maskIter.done();
}
}
outRaster = CoverageUtilities.buildCoverage("cutout", outWR, regionMap, inRaster.getCoordinateReferenceSystem());
}
/**
* Cut a raster on a mask using the default parameters.
*
* @param raster the raster to cut.
* @param mask the mask to apply.
* @return the cut map.
* @throws Exception
*/
public static GridCoverage2D cut( GridCoverage2D raster, GridCoverage2D mask ) throws Exception {
OmsCutOut cutDrain = new OmsCutOut();
cutDrain.inRaster = raster;
cutDrain.inMask = mask;
cutDrain.process();
return cutDrain.outRaster;
}
}
