org.hortonmachine.gears.modules.v.vectoroverlayoperators.OmsVectorIntersector Maven / Gradle / Ivy
/*
* 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 .
*/
/*
* 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.v.vectoroverlayoperators;
import static org.hortonmachine.gears.i18n.GearsMessages.OMSHYDRO_AUTHORCONTACTS;
import static org.hortonmachine.gears.i18n.GearsMessages.OMSHYDRO_AUTHORNAMES;
import static org.hortonmachine.gears.i18n.GearsMessages.OMSHYDRO_DRAFT;
import static org.hortonmachine.gears.i18n.GearsMessages.OMSHYDRO_LICENSE;
import static org.hortonmachine.gears.modules.v.vectoroverlayoperators.OmsVectorOverlayOperators.OMSVECTOROVERLAYOPERATORS_inMap1_DESCRIPTION;
import static org.hortonmachine.gears.modules.v.vectoroverlayoperators.OmsVectorOverlayOperators.OMSVECTOROVERLAYOPERATORS_inMap2_DESCRIPTION;
import static org.hortonmachine.gears.modules.v.vectoroverlayoperators.OmsVectorOverlayOperators.OMSVECTOROVERLAYOPERATORS_outMap_DESCRIPTION;
import java.util.List;
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.Out;
import oms3.annotations.Status;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.feature.DefaultFeatureCollection;
import org.hortonmachine.gears.libs.exceptions.ModelsIllegalargumentException;
import org.hortonmachine.gears.libs.modules.HMConstants;
import org.hortonmachine.gears.libs.modules.HMModel;
import org.hortonmachine.gears.utils.features.FeatureGeometrySubstitutor;
import org.hortonmachine.gears.utils.features.FeatureUtilities;
import org.hortonmachine.gears.utils.geometry.EGeometryType;
import org.hortonmachine.gears.utils.geometry.GeometryUtilities;
import org.opengis.feature.simple.SimpleFeature;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryCollection;
import com.vividsolutions.jts.geom.prep.PreparedGeometry;
import com.vividsolutions.jts.geom.prep.PreparedGeometryFactory;
@Description(OmsVectorIntersector.DESCRIPTION)
@Author(name = OMSHYDRO_AUTHORNAMES, contact = OMSHYDRO_AUTHORCONTACTS)
@Keywords(OmsVectorIntersector.KEYWORDS)
@Label(HMConstants.VECTORPROCESSING)
@Name("_" + OmsVectorIntersector.NAME)
@Status(OMSHYDRO_DRAFT)
@License(OMSHYDRO_LICENSE)
public class OmsVectorIntersector extends HMModel {
@Description(OMSVECTOROVERLAYOPERATORS_inMap1_DESCRIPTION)
@In
public SimpleFeatureCollection inMap1 = null;
@Description(OMSVECTOROVERLAYOPERATORS_inMap2_DESCRIPTION)
@In
public SimpleFeatureCollection inMap2 = null;
@Description(KEEP_FIRST_ATTRIBUTES)
@In
public boolean doKeepFirstAttributes = true;
@Description(OMSVECTOROVERLAYOPERATORS_outMap_DESCRIPTION)
@Out
public SimpleFeatureCollection outMap = null;
// START VARS DOC
public static final String NAME = "vectorintersctor";
public static final String DESCRIPTION = "Vector layer intersector with maintaining of attributes.";
public static final String KEYWORDS = "vector, intersect, attributes";
public static final String KEEP_FIRST_ATTRIBUTES = "If enabled attributes of map 1 are kept, else of map 2.";
// END VARS DOC
@Execute
public void process() throws Exception {
checkNull(inMap1, inMap2);
outMap = new DefaultFeatureCollection();
if (!doKeepFirstAttributes) {
SimpleFeatureCollection inMapTmp = inMap1;
inMap1 = inMap2;
inMap2 = inMapTmp;
}
List geometries = FeatureUtilities.featureCollectionToGeometriesList(inMap2, false, null);
GeometryCollection geometryCollection = new GeometryCollection(geometries.toArray(new Geometry[geometries.size()]), gf);
Geometry intersectionGeometry = geometryCollection.buffer(0);
PreparedGeometry preparedIntersectionGeometry = PreparedGeometryFactory.prepare(intersectionGeometry);
List mainFeatures = FeatureUtilities.featureCollectionToList(inMap1);
if (mainFeatures.size() == 0) {
throw new ModelsIllegalargumentException("No features found in the layer.", this);
}
EGeometryType geometryType = EGeometryType.forGeometry((Geometry) mainFeatures.get(0).getDefaultGeometry());
Class< ? > multiClazz = geometryType.getMultiClazz();
EGeometryType newGeometryType = EGeometryType.forClass(multiClazz);
FeatureGeometrySubstitutor sub = new FeatureGeometrySubstitutor(inMap1.getSchema(), multiClazz);
pm.beginTask("Performing intersection...", mainFeatures.size());
for( SimpleFeature feature : mainFeatures ) {
Geometry geometry = (Geometry) feature.getDefaultGeometry();
if (preparedIntersectionGeometry.intersects(geometry)) {
Geometry intersection = geometry.intersection(intersectionGeometry);
EGeometryType intersectionGeometryType = EGeometryType.forGeometry(intersection);
if (intersectionGeometryType.isCompatibleWith(newGeometryType)) {
SimpleFeature newFeature = sub.substituteGeometry(feature, intersection);
((DefaultFeatureCollection) outMap).add(newFeature);
} else {
pm.errorMessage("Could not add intersection result geometry to layer due to incompatibility: " + intersection);
}
}
pm.worked(1);
}
pm.done();
}
}