/*
* 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.v.vectortransformer;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_AUTHORCONTACTS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_AUTHORNAMES;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_DOCUMENTATION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_KEYWORDS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_LABEL;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_LICENSE;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_NAME;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_STATUS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_IN_VECTOR_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_OUT_VECTOR_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_P_TRANS_X_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTRANSFORMER_P_TRANS_Y_DESCRIPTION;
import java.awt.geom.AffineTransform;
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.data.simple.SimpleFeatureCollection;
import org.geotools.feature.DefaultFeatureCollection;
import org.geotools.feature.FeatureIterator;
import org.geotools.geometry.jts.JTS;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.referencing.operation.transform.AffineTransform2D;
import org.jgrasstools.gears.libs.modules.JGTModel;
import org.jgrasstools.gears.utils.features.FeatureGeometrySubstitutor;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.referencing.operation.MathTransform;
import com.vividsolutions.jts.geom.Geometry;
@Description(OMSVECTORTRANSFORMER_DESCRIPTION)
@Documentation(OMSVECTORTRANSFORMER_DOCUMENTATION)
@Author(name = OMSVECTORTRANSFORMER_AUTHORNAMES, contact = OMSVECTORTRANSFORMER_AUTHORCONTACTS)
@Keywords(OMSVECTORTRANSFORMER_KEYWORDS)
@Label(OMSVECTORTRANSFORMER_LABEL)
@Name(OMSVECTORTRANSFORMER_NAME)
@Status(OMSVECTORTRANSFORMER_STATUS)
@License(OMSVECTORTRANSFORMER_LICENSE)
public class OmsVectorTransformer extends JGTModel {
@Description(OMSVECTORTRANSFORMER_IN_VECTOR_DESCRIPTION)
@In
public SimpleFeatureCollection inVector;
@Description(OMSVECTORTRANSFORMER_P_TRANS_X_DESCRIPTION)
@In
public double pTransX;
@Description(OMSVECTORTRANSFORMER_P_TRANS_Y_DESCRIPTION)
@In
public double pTransY;
@Description("The rotation angle in clockwise degrees.")
@In
public Double pRotate;
@Description(OMSVECTORTRANSFORMER_OUT_VECTOR_DESCRIPTION)
@Out
public SimpleFeatureCollection outVector = null;
@Execute
public void process() throws Exception {
if (!concatOr(outVector == null, doReset)) {
return;
}
outVector = new DefaultFeatureCollection();
SimpleFeatureType featureType = inVector.getSchema();
ReferencedEnvelope vectorBounds = inVector.getBounds();
double centerX = vectorBounds.getMinX() + (vectorBounds.getMaxX() - vectorBounds.getMinX()) / 2.0;
double centerY = vectorBounds.getMinY() + (vectorBounds.getMaxY() - vectorBounds.getMinY()) / 2.0;
double pAngle = 0;
MathTransform rotationTransform = null;
if (pRotate != null) {
pAngle = pRotate;
AffineTransform rotationAT = new AffineTransform();
rotationAT.translate(centerX, centerY);
rotationAT.rotate(Math.toRadians(-pAngle));
rotationAT.translate(-centerX, -centerY);
rotationTransform = new AffineTransform2D(rotationAT);
}
FeatureGeometrySubstitutor substitutor = new FeatureGeometrySubstitutor(featureType);
FeatureIterator<SimpleFeature> inFeatureIterator = inVector.features();
pm.beginTask("Transforming geometries...", inVector.size());
while( inFeatureIterator.hasNext() ) {
// copy the contents of each feature and transform the geometry
SimpleFeature feature = inFeatureIterator.next();
Geometry geometry = (Geometry) feature.getDefaultGeometry();
if (pRotate != null) {
geometry = JTS.transform(geometry, rotationTransform);
}
// m00 the X coordinate scaling element of the 3x3 matrix
// m10 the Y coordinate shearing element of the 3x3 matrix
// m01 the X coordinate shearing element of the 3x3 matrix
// m11 the Y coordinate scaling element of the 3x3 matrix
// m02 the X coordinate translation element of the 3x3 matrix
// m12 the Y coordinate translation element of the 3x3 matrix
// m00, m10, m01, m11, m02, m12
MathTransform transform = new AffineTransform2D(1.0, 0.0, 0.0, 1.0, pTransX, pTransY);
Geometry transformedGeometry = JTS.transform(geometry, transform);
SimpleFeature newFeature = substitutor.substituteGeometry(feature, transformedGeometry);
((DefaultFeatureCollection) outVector).add(newFeature);
pm.worked(1);
}
inFeatureIterator.close();
pm.done();
}
}