/*
* 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.lesto.modules.vegetation;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSHYDRO_AUTHORCONTACTS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSHYDRO_AUTHORNAMES;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSHYDRO_DRAFT;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSHYDRO_LICENSE;
import static org.jgrasstools.lesto.modules.vegetation.OmsPointCloudMaximaFinder.*;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import oms3.annotations.Author;
import oms3.annotations.Description;
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.Status;
import oms3.annotations.UI;
import org.geotools.coverage.grid.GridCoverage2D;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.feature.DefaultFeatureCollection;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.jgrasstools.gears.io.las.ALasDataManager;
import org.jgrasstools.gears.io.las.core.LasRecord;
import org.jgrasstools.gears.io.las.utils.LasUtils;
import org.jgrasstools.gears.libs.exceptions.ModelsIllegalargumentException;
import org.jgrasstools.gears.libs.modules.JGTConstants;
import org.jgrasstools.gears.libs.modules.JGTModel;
import org.jgrasstools.gears.utils.RegionMap;
import org.jgrasstools.gears.utils.StringUtilities;
import org.jgrasstools.gears.utils.coverage.CoverageUtilities;
import org.jgrasstools.gears.utils.features.FeatureUtilities;
import org.jgrasstools.lesto.modules.vegetation.OmsPointCloudMaximaFinder.DsmDtmDiffHelper;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.Polygon;
@Description(DESCR)
@Author(name = OMSHYDRO_AUTHORNAMES, contact = OMSHYDRO_AUTHORCONTACTS)
@Keywords(KEYWORDS)
@Label(LABEL)
@Name(NAME)
@Status(OMSHYDRO_DRAFT)
@License(OMSHYDRO_LICENSE)
@SuppressWarnings("nls")
public class PointCloudMaximaFinder extends JGTModel {
@Description(inLas_DESCR)
@UI(JGTConstants.FILEIN_UI_HINT)
@In
public String inLas = null;
@Description(inDtm_DESCR)
@UI(JGTConstants.FILEIN_UI_HINT)
@In
public String inDtm;
@Description(inRoi_DESCR)
@UI(JGTConstants.FILEIN_UI_HINT)
@In
public String inRoi;
@Description(inDsmDtmDiff_DESCR)
@In
public GridCoverage2D inDsmDtmDiff;
@Description(pMaxRadius_DESCR)
@In
public double pMaxRadius = -1.0;
@Description(doDynamicRadius_DESCR)
@In
public boolean doDynamicRadius = true;
@Description(pElevDiffThres_DESCR)
@In
public double pElevDiffThres = 3.5;
@Description(pThreshold_DESCR)
@In
public double pThreshold = 0.0;
@Description(pClass_DESCR)
@In
public String pClass = null;
@Description(outTops_DESCR)
@UI(JGTConstants.FILEOUT_UI_HINT)
@In
public String outTops = null;
private AtomicInteger featureIndex = new AtomicInteger();
@Execute
public void process() throws Exception {
checkNull(inLas);
if (inRoi == null && inDtm == null) {
throw new ModelsIllegalargumentException("At least one of raster or vector roi is necessary.", this);
}
GridCoverage2D inDtmGC = null;
CoordinateReferenceSystem crs = null;
List<Geometry> regionGeometries = new ArrayList<Geometry>();
if (inRoi != null) {
SimpleFeatureCollection inRoiFC = getVector(inRoi);
regionGeometries = FeatureUtilities.featureCollectionToGeometriesList(inRoiFC, true, null);
crs = inRoiFC.getBounds().getCoordinateReferenceSystem();
} else {
// use the dtm bounds
inDtmGC = getRaster(inDtm);
Polygon polygon = CoverageUtilities.getRegionPolygon(inDtmGC);
regionGeometries.add(polygon);
crs = inDtmGC.getCoordinateReferenceSystem();
}
DsmDtmDiffHelper helper = null;
if (inDsmDtmDiff != null) {
helper = new DsmDtmDiffHelper();
helper.pElevDiffThres = pElevDiffThres;
helper.gridGeometry = inDsmDtmDiff.getGridGeometry();
RegionMap regionMap = CoverageUtilities.getRegionParamsFromGridCoverage(inDsmDtmDiff);
helper.cols = regionMap.getCols();
helper.rows = regionMap.getRows();
helper.xres = regionMap.getXres();
helper.yres = regionMap.getYres();
helper.dsmDtmDiffIter = CoverageUtilities.getRandomIterator(inDsmDtmDiff);
}
try (ALasDataManager lasData = ALasDataManager.getDataManager(new File(inLas), inDtmGC, pThreshold, crs)) {
lasData.open();
if (pClass != null) {
double[] classes = StringUtilities.stringToDoubleArray(pClass, ",");
lasData.setClassesConstraint(classes);
}
DefaultFeatureCollection outTopsFC = new DefaultFeatureCollection();
SimpleFeatureBuilder lasBuilder = LasUtils.getLasFeatureBuilder(crs);
final int roiNum = regionGeometries.size();
int index = 1;
for( final Geometry regionGeometry : regionGeometries ) {
StringBuilder sb = new StringBuilder();
sb.append("\nProcessing geometry N.");
sb.append(index);
sb.append(" of ");
sb.append(roiNum);
sb.append("\n");
pm.message(sb.toString());
// remove holes
LineString exteriorRing = ((Polygon) regionGeometry).getExteriorRing();
final Polygon regionPolygon = gf.createPolygon(gf.createLinearRing(exteriorRing.getCoordinates()));
List<LasRecord> pointsInTile = lasData.getPointsInGeometry(regionPolygon, false);
final int size = pointsInTile.size();
if (size == 0) {
pm.errorMessage("No points processed in tile: " + regionPolygon);
continue;
}
try {
doProcess(pointsInTile, pMaxRadius, doDynamicRadius, helper, outTopsFC, lasBuilder, featureIndex, pm);
} catch (Exception e) {
e.printStackTrace();
}
}
dumpVector(outTopsFC, outTops);
}
if (helper != null)
helper.dsmDtmDiffIter.done();
}
}