Revision 43
| org.gvsig.sextante/trunk/org.gvsig.sextante.app/org.gvsig.sextante.app.algorithm/org.gvsig.sextante.app.algorithm.buffer/src/main/java/org/gvsig/sextante/app/algorithm/buffer/InOutBufferOperation.java | ||
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/* |
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* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana |
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* |
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* Copyright (C) 2010 Generalitat Valenciana. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. |
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* |
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*/ |
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package org.gvsig.sextante.app.algorithm.buffer; |
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import java.util.ArrayList; |
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import java.util.Stack; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.sextante.app.algorithm.base.util.GeometryUtil; |
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import org.gvsig.sextante.app.algorithm.base.util.JTSFacade; |
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import org.gvsig.sextante.app.extension.core.MapTools; |
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import com.vividsolutions.jts.geom.Geometry; |
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import com.vividsolutions.jts.geom.GeometryCollection; |
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import com.vividsolutions.jts.geom.GeometryFactory; |
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import com.vividsolutions.jts.geom.MultiPolygon; |
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import com.vividsolutions.jts.geom.Polygon; |
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import com.vividsolutions.jts.operation.buffer.BufferOp; |
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import com.vividsolutions.jts.operation.buffer.BufferParameters; |
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import es.unex.sextante.core.Sextante; |
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import es.unex.sextante.dataObjects.IVectorLayer; |
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/** |
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* Buffer operation |
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* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a> |
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*/ |
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public class InOutBufferOperation extends BufferOperation {
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/** |
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* Builds an instance of this operation. |
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* @param distance |
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* @param layer |
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* @param userDistance |
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*/ |
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public InOutBufferOperation(IDistance distance, IVectorLayer layer, double userDistance) {
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super(distance, layer, userDistance); |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.sextante.app.algorithm.base.core.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.dal.feature.Feature) |
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*/ |
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@SuppressWarnings("unchecked")
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public EditableFeature invoke(org.gvsig.fmap.geom.Geometry g, Feature feature) {
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GeometryFactory geomFact = new GeometryFactory(); |
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Geometry newGeom = null; |
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Geometry previousExteriorRing = null; |
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Geometry previousInteriorRing = null; |
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Geometry inputParam = GeometryUtil.geomToJTS(g); |
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distance.setFeature(feature); |
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double bufferDistance = distance.getBufferDistance(userDistance, projection, MapTools.getDistanceUnits(), MapTools.getMapUnits()); |
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for(int i = 1; i <= numberOfRadialBuffers; i++) {
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double distRing = i * bufferDistance; |
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BufferOp bufOp = new BufferOp(inputParam); |
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bufOp.setEndCapStyle(capBuffer == CAP_ROUND ? BufferParameters.CAP_ROUND : BufferParameters.CAP_SQUARE); |
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Geometry out = bufOp.getResultGeometry(distRing); |
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Geometry in = bufOp.getResultGeometry(-1 * distRing); |
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boolean collapsedInterior = verifyNilGeometry(in); |
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if(previousExteriorRing == null || previousInteriorRing == null){
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if(collapsedInterior) |
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newGeom = out; |
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else |
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newGeom = JTSFacade.difference(out, in); |
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} else {
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if(collapsedInterior) |
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newGeom = JTSFacade.difference(out, previousExteriorRing); |
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else {
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Geometry outRing = JTSFacade.difference(out, previousExteriorRing); |
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Geometry inRing = JTSFacade.difference(previousInteriorRing, in); |
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Geometry[] geomArray = new Geometry[]{outRing, inRing};
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newGeom = geomFact.createGeometryCollection(geomArray); |
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//FMap doesnt work with GeometryCollection, so we try to pass to a MultiPolygon. |
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ArrayList polygons = new ArrayList(); |
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Stack stack = new Stack(); |
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stack.push(newGeom); |
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while(stack.size() != 0) {
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GeometryCollection geCol = (GeometryCollection) stack.pop(); |
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for(int j = 0; j < geCol.getNumGeometries(); j++) {
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Geometry geometry = geCol.getGeometryN(j); |
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if(geometry instanceof GeometryCollection) |
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stack.push(geometry); |
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if(geometry instanceof Polygon) |
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polygons.add(geometry); |
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} |
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} |
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Polygon[] pols = new Polygon[polygons.size()]; |
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polygons.toArray(pols); |
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MultiPolygon newSolution = geomFact.createMultiPolygon(pols); |
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newGeom = newSolution; |
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} |
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} |
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try {
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lastEditFeature = persister.addFeature(feature, newGeom); |
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} catch (CreateGeometryException e) {
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Sextante.addErrorToLog(e); |
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} catch (DataException e) {
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Sextante.addErrorToLog(e); |
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} |
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previousExteriorRing = out; |
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if(!collapsedInterior) |
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previousInteriorRing = in; |
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} |
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return lastEditFeature; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.sextante.app.algorithm.base.core.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.dal.feature.EditableFeature) |
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*/ |
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public void invoke(org.gvsig.fmap.geom.Geometry g, EditableFeature feature) {
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invoke(g, (Feature)feature); |
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} |
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} |
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| org.gvsig.sextante/trunk/org.gvsig.sextante.app/org.gvsig.sextante.app.algorithm/org.gvsig.sextante.app.algorithm.buffer/src/main/java/org/gvsig/sextante/app/algorithm/buffer/BufferOperation.java | ||
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*/ |
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package org.gvsig.sextante.app.algorithm.buffer; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.sextante.app.algorithm.base.core.DALFeaturePersister; |
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import org.gvsig.sextante.app.algorithm.base.core.GeometryOperation; |
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import org.gvsig.sextante.app.algorithm.base.util.GeometryUtil; |
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import com.vividsolutions.jts.geom.Geometry; |
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import com.vividsolutions.jts.geom.GeometryCollection; |
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import es.unex.sextante.dataObjects.IVectorLayer; |
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/** |
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* Buffer operation |
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* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a> |
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*/ |
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public class BufferOperation extends GeometryOperation {
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public BufferOperation() {
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public abstract class BufferOperation extends GeometryOperation {
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public static final byte CAP_SQUARE = 0; |
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public static final byte CAP_ROUND = 1; |
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protected byte capBuffer = CAP_ROUND; |
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protected int numberOfRadialBuffers = 1; |
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protected IDistance distance = null; |
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protected IVectorLayer layer = null; |
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protected IProjection projection = null; |
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protected double userDistance = 0D; |
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public BufferOperation(IDistance distance, IVectorLayer layer, double userDistance) {
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this.distance = distance; |
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this.layer = layer; |
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this.projection = (IProjection)layer.getCRS(); |
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this.userDistance = userDistance; |
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} |
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/** |
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} |
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public EditableFeature invoke(org.gvsig.fmap.geom.Geometry g, Feature feature) {
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return lastEditFeature; |
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/** |
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* Verifys if a geometry buffer is null. |
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* It is useful when you're working with internal buffers. If the internal |
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* buffer distance is greater than the geometry radius, the buffer result |
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* will be null. |
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* |
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* @param newGeometry |
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* @return |
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*/ |
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protected boolean verifyNilGeometry(Geometry newGeometry){
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if(newGeometry instanceof GeometryCollection){
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if(((GeometryCollection)newGeometry).getNumGeometries() == 0){
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//we have collapsed initial geometry |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Adds a new feature |
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* @param feature |
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* @param newGeom |
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* @throws CreateGeometryException |
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* @throws DataException |
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* @deprecated No es necesario porque no hay diferencia entre las llamadas entre ambos invoke |
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*/ |
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protected void addFeature(Feature feature, Geometry newGeom) throws CreateGeometryException, DataException {
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if(!(feature instanceof EditableFeature)) |
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lastEditFeature = persister.addFeature(feature, newGeom); |
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else {
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org.gvsig.fmap.geom.Geometry g = GeometryUtil.jtsToGeom(newGeom); |
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persister.addGeometryToExistingFeature((EditableFeature)feature, g); |
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} |
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} |
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/** |
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* Sets type of cap flag |
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* @param typeOfCap |
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*/ |
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public void setTypeOfCap(byte typeOfCap) {
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capBuffer = typeOfCap; |
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} |
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/** |
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* Sets number of radial rings buffers |
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* @param number |
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*/ |
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public void setNumberOfRadialBuffers(int number) {
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numberOfRadialBuffers = number; |
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} |
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public void invoke(org.gvsig.fmap.geom.Geometry g, EditableFeature feature) {
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} |
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} |
| org.gvsig.sextante/trunk/org.gvsig.sextante.app/org.gvsig.sextante.app.algorithm/org.gvsig.sextante.app.algorithm.buffer/src/main/java/org/gvsig/sextante/app/algorithm/buffer/FieldDistance.java | ||
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package org.gvsig.sextante.app.algorithm.buffer; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.sextante.app.extension.core.MapTools; |
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/** |
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* Computes a constant size of each geometry built |
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* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a> |
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*/ |
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public class FieldDistance implements IDistance {
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private Feature feature = null; |
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private int attributePosition = 0; |
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public FieldDistance(int attributePosition) {
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this.attributePosition = attributePosition; |
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} |
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public void setFeature(Feature feature) {
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this.feature = feature; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.sextante.app.algorithm.buffer.IDistance#getBufferDistance(double, org.cresques.cts.IProjection, int, int) |
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*/ |
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public double getBufferDistance(double distance, IProjection viewProj,
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public double getBufferDistance(double distance, IProjection projection,
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int distanceUnits, int mapUnits) {
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return 0; |
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double attr = 0D; |
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Object obj = feature.get(attributePosition); |
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if(obj instanceof Double) |
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attr = ((Double)obj).doubleValue(); |
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else if(obj instanceof Integer) |
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attr = ((Integer)obj).doubleValue(); |
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else if(obj instanceof Float) |
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attr = ((Float)obj).doubleValue(); |
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else return 0; |
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return MapTools.getInInternalUnits(attr, projection, distanceUnits, mapUnits); |
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} |
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} |
| org.gvsig.sextante/trunk/org.gvsig.sextante.app/org.gvsig.sextante.app.algorithm/org.gvsig.sextante.app.algorithm.buffer/src/main/java/org/gvsig/sextante/app/algorithm/buffer/BufferAlgorithm.java | ||
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*/ |
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package org.gvsig.sextante.app.algorithm.buffer; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.sextante.app.algorithm.base.panel.AlgorithmOutputPanel; |
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import org.gvsig.sextante.app.extension.core.gvGeoAlgorithm; |
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import org.gvsig.sextante.app.extension.core.gvVectorLayer; |
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import es.unex.sextante.additionalInfo.AdditionalInfoNumericalValue; |
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import es.unex.sextante.core.Sextante; |
| ... | ... | |
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m_Parameters.addNumericalValue(DISTANCE, Sextante.getText("Distance"), 0, AdditionalInfoNumericalValue.NUMERICAL_VALUE_DOUBLE);
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m_Parameters.addTableField(FIELD, Sextante.getText("Field"), "LAYER");
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m_Parameters.addBoolean(DISSOLVE, Sextante.getText("Dissolve_entities"), false);
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m_Parameters.addBoolean(ROUND_BORDER, Sextante.getText("Round_border"), false);
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m_Parameters.addBoolean(ROUND_BORDER, Sextante.getText("Round_border"), true);
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m_Parameters.addSelection(AREA, Sextante.getText("Builds_influence_area"), sOptions);
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m_Parameters.addSelection(RING_NUMBER, Sextante.getText("Number_of_rings"), new String[]{"1", "2", "3"});
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setExternalParameters((Object)new AlgorithmOutputPanel()); |
| ... | ... | |
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* @see es.unex.sextante.core.GeoAlgorithm#processAlgorithm() |
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*/ |
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public boolean processAlgorithm() throws GeoAlgorithmExecutionException {
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IVectorLayer layer = m_Parameters.getParameterValueAsVectorLayer(LAYER); |
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boolean selectedGeom = m_Parameters.getParameter(SELECTED_GEOM).getParameterValueAsBoolean(); |
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double dist = m_Parameters.getParameter(DISTANCE).getParameterValueAsDouble(); |
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int attributePosition = m_Parameters.getParameterValueAsInt(FIELD); |
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boolean dissolve = m_Parameters.getParameter(DISSOLVE).getParameterValueAsBoolean(); |
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boolean round_border = m_Parameters.getParameter(ROUND_BORDER).getParameterValueAsBoolean(); |
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int inflArea = m_Parameters.getParameterValueAsInt(AREA); |
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int rings = m_Parameters.getParameterValueAsInt(RING_NUMBER); |
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FeatureStore storeLayer = null; |
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if(layer instanceof gvVectorLayer) |
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storeLayer = ((gvVectorLayer)layer).getFeatureStore(); |
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else |
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return false; |
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|
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try {
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FeatureSet features = null; |
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features = storeLayer.getFeatureSet(); |
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FeatureType featureType = features.getDefaultFeatureType(); |
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|
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//Object to compute the distance |
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IDistance distance = null; |
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if(dist == 0) |
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distance = new FieldDistance(attributePosition); |
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else |
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distance = new ConstantDistance(); |
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|
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//Object to compute the buffer operation |
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BufferOperation operation = null; |
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switch (inflArea) {
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case 0: |
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operation = new OutBufferOperation(distance, layer, dist); |
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break; |
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case 1: |
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operation = new InBufferOperation(distance, layer, dist); |
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break; |
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case 2: |
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operation = new InOutBufferOperation(distance, layer, dist); |
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break; |
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} |
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operation.setTypeOfCap(round_border ? BufferOperation.CAP_ROUND : BufferOperation.CAP_SQUARE); |
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operation.setNumberOfRadialBuffers(rings + 1); |
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|
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//Builds the output FeatureStore |
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FeatureStore outFeatStore = buildOutPutStore(featureType, org.gvsig.fmap.geom.Geometry.TYPES.SURFACE, Sextante.getText("Buffer"), RESULT);
|
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|
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//Computes the operation |
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operation.computesGeometryOperation(storeLayer, outFeatStore, attrNames, selectedGeom, true); |
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} catch (DataException e) {
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Sextante.addErrorToLog(e); |
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return false; |
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} |
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|
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if(dissolve) {
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//TODO: Dissolve operation |
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} |
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|
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return true; |
| 98 | 159 |
} |
| 99 | 160 |
|
| org.gvsig.sextante/trunk/org.gvsig.sextante.app/org.gvsig.sextante.app.algorithm/org.gvsig.sextante.app.algorithm.buffer/src/main/java/org/gvsig/sextante/app/algorithm/buffer/InBufferOperation.java | ||
|---|---|---|
| 1 |
/* |
|
| 2 |
* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana |
|
| 3 |
* |
|
| 4 |
* Copyright (C) 2010 Generalitat Valenciana. |
|
| 5 |
* |
|
| 6 |
* This program is free software; you can redistribute it and/or |
|
| 7 |
* modify it under the terms of the GNU General Public License |
|
| 8 |
* as published by the Free Software Foundation; either version 2 |
|
| 9 |
* of the License, or (at your option) any later version. |
|
| 10 |
* |
|
| 11 |
* This program is distributed in the hope that it will be useful, |
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 14 |
* GNU General Public License for more details. |
|
| 15 |
* |
|
| 16 |
* You should have received a copy of the GNU General Public License |
|
| 17 |
* along with this program; if not, write to the Free Software |
|
| 18 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. |
|
| 19 |
* |
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| 20 |
*/ |
|
| 21 |
package org.gvsig.sextante.app.algorithm.buffer; |
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|
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| 23 |
import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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| 25 |
import org.gvsig.fmap.dal.feature.Feature; |
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| 26 |
import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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| 27 |
import org.gvsig.sextante.app.algorithm.base.util.GeometryUtil; |
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| 28 |
import org.gvsig.sextante.app.algorithm.base.util.JTSFacade; |
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| 29 |
import org.gvsig.sextante.app.extension.core.MapTools; |
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| 30 |
|
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import com.vividsolutions.jts.geom.Geometry; |
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import com.vividsolutions.jts.operation.buffer.BufferOp; |
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import com.vividsolutions.jts.operation.buffer.BufferParameters; |
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|
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import es.unex.sextante.core.Sextante; |
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| 36 |
import es.unex.sextante.dataObjects.IVectorLayer; |
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| 37 |
|
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| 38 |
/** |
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| 39 |
* Buffer operation |
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| 40 |
* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a> |
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| 41 |
*/ |
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| 42 |
public class InBufferOperation extends BufferOperation {
|
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| 43 |
|
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| 44 |
/** |
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* Builds an instance of this operation. |
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* @param distance |
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* @param layer |
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| 48 |
* @param userDistance |
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| 49 |
*/ |
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| 50 |
public InBufferOperation(IDistance distance, IVectorLayer layer, double userDistance) {
|
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| 51 |
super(distance, layer, userDistance); |
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| 52 |
} |
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| 53 |
|
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| 54 |
/* |
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| 55 |
* (non-Javadoc) |
|
| 56 |
* @see org.gvsig.sextante.app.algorithm.base.core.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.dal.feature.Feature) |
|
| 57 |
*/ |
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| 58 |
public EditableFeature invoke(org.gvsig.fmap.geom.Geometry g, Feature feature) {
|
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| 59 |
//if we have radial internal buffers, we start by most interior buffer |
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Geometry newGeom = null; |
|
| 61 |
Geometry previousInteriorRing = null; |
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| 62 |
Geometry inputParam = GeometryUtil.geomToJTS(g); |
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| 63 |
distance.setFeature(feature); |
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double bufferDistance = distance.getBufferDistance(userDistance, projection, MapTools.getDistanceUnits(), MapTools.getMapUnits()); |
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| 65 |
|
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| 66 |
for(int i = numberOfRadialBuffers; i >= 1; i--) {
|
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double distRing = i * bufferDistance; |
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| 68 |
BufferOp bufOp = new BufferOp(inputParam); |
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| 69 |
bufOp.setEndCapStyle(capBuffer == CAP_ROUND ? BufferParameters.CAP_ROUND : BufferParameters.CAP_SQUARE); |
|
| 70 |
Geometry newGeometry = bufOp.getResultGeometry(-1 * distRing); |
|
| 71 |
|
|
| 72 |
if(verifyNilGeometry(newGeometry)) |
|
| 73 |
return lastEditFeature; |
|
| 74 |
|
|
| 75 |
if(previousInteriorRing != null) |
|
| 76 |
newGeom = JTSFacade.difference(newGeometry, previousInteriorRing); |
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| 77 |
else |
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| 78 |
newGeom = newGeometry; |
|
| 79 |
|
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| 80 |
try {
|
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| 81 |
lastEditFeature = persister.addFeature(feature, newGeom); |
|
| 82 |
} catch (CreateGeometryException e) {
|
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| 83 |
Sextante.addErrorToLog(e); |
|
| 84 |
} catch (DataException e) {
|
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| 85 |
Sextante.addErrorToLog(e); |
|
| 86 |
} |
|
| 87 |
} |
|
| 88 |
return lastEditFeature; |
|
| 89 |
} |
|
| 90 |
|
|
| 91 |
/* |
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| 92 |
* (non-Javadoc) |
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| 93 |
* @see org.gvsig.sextante.app.algorithm.base.core.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.dal.feature.EditableFeature) |
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| 94 |
*/ |
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| 95 |
public void invoke(org.gvsig.fmap.geom.Geometry g, EditableFeature feature) {
|
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| 96 |
invoke(g, (Feature)feature); |
|
| 97 |
} |
|
| 98 |
} |
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| 0 | 99 | |
| org.gvsig.sextante/trunk/org.gvsig.sextante.app/org.gvsig.sextante.app.algorithm/org.gvsig.sextante.app.algorithm.buffer/src/main/java/org/gvsig/sextante/app/algorithm/buffer/OutBufferOperation.java | ||
|---|---|---|
| 1 |
/* |
|
| 2 |
* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana |
|
| 3 |
* |
|
| 4 |
* Copyright (C) 2010 Generalitat Valenciana. |
|
| 5 |
* |
|
| 6 |
* This program is free software; you can redistribute it and/or |
|
| 7 |
* modify it under the terms of the GNU General Public License |
|
| 8 |
* as published by the Free Software Foundation; either version 2 |
|
| 9 |
* of the License, or (at your option) any later version. |
|
| 10 |
* |
|
| 11 |
* This program is distributed in the hope that it will be useful, |
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 14 |
* GNU General Public License for more details. |
|
| 15 |
* |
|
| 16 |
* You should have received a copy of the GNU General Public License |
|
| 17 |
* along with this program; if not, write to the Free Software |
|
| 18 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. |
|
| 19 |
* |
|
| 20 |
*/ |
|
| 21 |
package org.gvsig.sextante.app.algorithm.buffer; |
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| 22 |
|
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| 23 |
import org.gvsig.fmap.dal.exception.DataException; |
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| 24 |
import org.gvsig.fmap.dal.feature.EditableFeature; |
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| 25 |
import org.gvsig.fmap.dal.feature.Feature; |
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| 26 |
import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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| 27 |
import org.gvsig.sextante.app.algorithm.base.util.GeometryUtil; |
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| 28 |
import org.gvsig.sextante.app.algorithm.base.util.JTSFacade; |
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| 29 |
import org.gvsig.sextante.app.extension.core.MapTools; |
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| 30 |
|
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| 31 |
import com.vividsolutions.jts.geom.Geometry; |
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| 32 |
import com.vividsolutions.jts.operation.buffer.BufferOp; |
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| 33 |
import com.vividsolutions.jts.operation.buffer.BufferParameters; |
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| 34 |
|
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| 35 |
import es.unex.sextante.core.Sextante; |
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| 36 |
import es.unex.sextante.dataObjects.IVectorLayer; |
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| 37 |
|
|
| 38 |
/** |
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| 39 |
* Buffer operation |
|
| 40 |
* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a> |
|
| 41 |
*/ |
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| 42 |
public class OutBufferOperation extends BufferOperation {
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| 43 |
|
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| 44 |
/** |
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| 45 |
* Builds an instance of this operation. |
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| 46 |
* @param distance |
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| 47 |
* @param layer |
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| 48 |
* @param userDistance |
|
| 49 |
*/ |
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| 50 |
public OutBufferOperation(IDistance distance, IVectorLayer layer, double userDistance) {
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| 51 |
super(distance, layer, userDistance); |
|
| 52 |
} |
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| 53 |
|
|
| 54 |
/* |
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| 55 |
* (non-Javadoc) |
|
| 56 |
* @see org.gvsig.sextante.app.algorithm.base.core.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.dal.feature.Feature) |
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| 57 |
*/ |
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| 58 |
public EditableFeature invoke(org.gvsig.fmap.geom.Geometry g, Feature feature) {
|
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| 59 |
Geometry newGeom = null; |
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| 60 |
Geometry previousExteriorRing = null; |
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| 61 |
Geometry inputParam = GeometryUtil.geomToJTS(g); |
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| 62 |
distance.setFeature(feature); |
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| 63 |
double bufferDistance = distance.getBufferDistance(userDistance, projection, MapTools.getDistanceUnits(), MapTools.getMapUnits()); |
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| 64 |
|
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| 65 |
for(int i = 1; i <= numberOfRadialBuffers; i++) {
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| 66 |
double distRing = i * bufferDistance; |
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| 67 |
BufferOp bufOp = new BufferOp(inputParam); |
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| 68 |
bufOp.setEndCapStyle(capBuffer == CAP_ROUND ? BufferParameters.CAP_ROUND : BufferParameters.CAP_SQUARE); |
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| 69 |
Geometry newGeometry = bufOp.getResultGeometry(distRing); |
|
| 70 |
if(previousExteriorRing != null) |
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| 71 |
newGeom = JTSFacade.difference(newGeometry, previousExteriorRing); |
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| 72 |
else |
|
| 73 |
newGeom = newGeometry; |
|
| 74 |
|
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| 75 |
try {
|
|
| 76 |
lastEditFeature = persister.addFeature(feature, newGeom); |
|
| 77 |
} catch (CreateGeometryException e) {
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|
| 78 |
Sextante.addErrorToLog(e); |
|
| 79 |
} catch (DataException e) {
|
|
| 80 |
Sextante.addErrorToLog(e); |
|
| 81 |
} |
|
| 82 |
} |
|
| 83 |
return lastEditFeature; |
|
| 84 |
} |
|
| 85 |
|
|
| 86 |
/* |
|
| 87 |
* (non-Javadoc) |
|
| 88 |
* @see org.gvsig.sextante.app.algorithm.base.core.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.dal.feature.EditableFeature) |
|
| 89 |
*/ |
|
| 90 |
public void invoke(org.gvsig.fmap.geom.Geometry g, EditableFeature feature) {
|
|
| 91 |
invoke(g, (Feature)feature); |
|
| 92 |
} |
|
| 93 |
} |
|
| 0 | 94 | |
| org.gvsig.sextante/trunk/org.gvsig.sextante.app/org.gvsig.sextante.app.algorithm/org.gvsig.sextante.app.algorithm.buffer/src/main/java/org/gvsig/sextante/app/algorithm/buffer/IDistance.java | ||
|---|---|---|
| 21 | 21 |
package org.gvsig.sextante.app.algorithm.buffer; |
| 22 | 22 |
|
| 23 | 23 |
import org.cresques.cts.IProjection; |
| 24 |
import org.gvsig.fmap.dal.feature.Feature; |
|
| 24 | 25 |
|
| 25 | 26 |
/** |
| 26 | 27 |
* Computes a size of each geometry built |
| ... | ... | |
| 29 | 30 |
public interface IDistance {
|
| 30 | 31 |
|
| 31 | 32 |
/** |
| 33 |
* Sets the current feature |
|
| 34 |
* @param feature |
|
| 35 |
*/ |
|
| 36 |
public void setFeature(Feature feature); |
|
| 37 |
|
|
| 38 |
/** |
|
| 32 | 39 |
* Gets the distance using the specific method |
| 33 | 40 |
* @param distance |
| 34 | 41 |
* distace |
| org.gvsig.sextante/trunk/org.gvsig.sextante.app/org.gvsig.sextante.app.algorithm/org.gvsig.sextante.app.algorithm.buffer/src/main/java/org/gvsig/sextante/app/algorithm/buffer/ConstantDistance.java | ||
|---|---|---|
| 21 | 21 |
package org.gvsig.sextante.app.algorithm.buffer; |
| 22 | 22 |
|
| 23 | 23 |
import org.cresques.cts.IProjection; |
| 24 |
import org.gvsig.fmap.dal.feature.Feature; |
|
| 25 |
import org.gvsig.sextante.app.extension.core.MapTools; |
|
| 24 | 26 |
|
| 25 | 27 |
/** |
| 26 | 28 |
* Computes a constant size of each geometry built |
| ... | ... | |
| 32 | 34 |
* (non-Javadoc) |
| 33 | 35 |
* @see org.gvsig.sextante.app.algorithm.buffer.IDistance#getBufferDistance(double, org.cresques.cts.IProjection, int, int) |
| 34 | 36 |
*/ |
| 35 |
public double getBufferDistance(double distance, IProjection viewProj,
|
|
| 37 |
public double getBufferDistance(double distance, IProjection projection,
|
|
| 36 | 38 |
int distanceUnits, int mapUnits) {
|
| 37 |
return 0;
|
|
| 39 |
return MapTools.getInInternalUnits(distance, projection, distanceUnits, mapUnits);
|
|
| 38 | 40 |
} |
| 39 | 41 |
|
| 42 |
public void setFeature(Feature feature) {
|
|
| 43 |
} |
|
| 44 |
|
|
| 40 | 45 |
} |
| org.gvsig.sextante/trunk/org.gvsig.sextante.app/org.gvsig.sextante.app.algorithm/org.gvsig.sextante.app.algorithm.buffer/pom.xml | ||
|---|---|---|
| 18 | 18 |
<artifactId>org.gvsig.sextante.app.algorithm.base</artifactId> |
| 19 | 19 |
<version>0.55.0-SNAPSHOT</version> |
| 20 | 20 |
</dependency> |
| 21 |
<dependency> |
|
| 22 |
<groupId>org.gvsig</groupId> |
|
| 23 |
<artifactId>org.gvsig.sextante.app.algorithm.dissolve</artifactId> |
|
| 24 |
<version>0.55.0-SNAPSHOT</version> |
|
| 25 |
</dependency> |
|
| 21 | 26 |
</dependencies> |
| 22 | 27 |
</project> |
| org.gvsig.sextante/trunk/org.gvsig.sextante.app/org.gvsig.sextante.app.algorithm/org.gvsig.sextante.app.algorithm.base/src/main/java/org/gvsig/sextante/app/algorithm/base/util/UnitUtils.java | ||
|---|---|---|
| 1 |
/* |
|
| 2 |
* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana |
|
| 3 |
* |
|
| 4 |
* Copyright (C) 2010 Generalitat Valenciana. |
|
| 5 |
* |
|
| 6 |
* This program is free software; you can redistribute it and/or |
|
| 7 |
* modify it under the terms of the GNU General Public License |
|
| 8 |
* as published by the Free Software Foundation; either version 2 |
|
| 9 |
* of the License, or (at your option) any later version. |
|
| 10 |
* |
|
| 11 |
* This program is distributed in the hope that it will be useful, |
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 14 |
* GNU General Public License for more details. |
|
| 15 |
* |
|
| 16 |
* You should have received a copy of the GNU General Public License |
|
| 17 |
* along with this program; if not, write to the Free Software |
|
| 18 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. |
|
| 19 |
* |
|
| 20 |
*/ |
|
| 21 |
package org.gvsig.sextante.app.algorithm.base.util; |
|
| 22 |
|
|
| 23 |
import org.cresques.cts.IProjection; |
|
| 24 |
import org.gvsig.fmap.mapcontext.MapContext; |
|
| 25 |
|
|
| 26 |
/** |
|
| 27 |
* Utility methods to manage distances |
|
| 28 |
* (conversion from user entries to internal units, |
|
| 29 |
* verifying if projection is planar or we are |
|
| 30 |
* working with geographic coordinates, etc.) |
|
| 31 |
* @author azabala |
|
| 32 |
* |
|
| 33 |
*/ |
|
| 34 |
public class UnitUtils {
|
|
| 35 |
|
|
| 36 |
public static final double EARTH_RADIUS = 6378137d; |
|
| 37 |
|
|
| 38 |
/** |
|
| 39 |
* For computing with geodetic coordinates: |
|
| 40 |
* returns the angular measure (in radians) |
|
| 41 |
* for a distance over the earth along a |
|
| 42 |
* meridiam. |
|
| 43 |
* Because this consideration is an approximation, |
|
| 44 |
* we consideer the eart like an sphere (not an |
|
| 45 |
* ellipsoid) |
|
| 46 |
* @param dist distance in meters |
|
| 47 |
* @return arc of meridian whose length is the specified |
|
| 48 |
* distance |
|
| 49 |
*/ |
|
| 50 |
public static double toSexaAngularMeasure(double dist) {
|
|
| 51 |
/* |
|
| 52 |
* dist = 6378km(terrestrial radius) -> 2PI |
|
| 53 |
* passed distance -> incognite |
|
| 54 |
*/ |
|
| 55 |
return Math.toDegrees((2 * Math.PI * dist)/EARTH_RADIUS); |
|
| 56 |
} |
|
| 57 |
|
|
| 58 |
/** |
|
| 59 |
* Converts a distance entered by user in the GUI in the same distance |
|
| 60 |
* in internal units (measure units) |
|
| 61 |
* |
|
| 62 |
* */ |
|
| 63 |
public static double getInInternalUnits(double userEntryDistance, |
|
| 64 |
IProjection proj, |
|
| 65 |
int distanceUnits, |
|
| 66 |
int mapUnits) {
|
|
| 67 |
// VCN he modificado esto a como creo que deber?a de estar, |
|
| 68 |
//as? tiene en cuenta para calcular la distancia tanto las unidades |
|
| 69 |
//en las que se encuentra la cartograf?a como las unidades de medida |
|
| 70 |
//seleccionadas por el usuario. |
|
| 71 |
double[] trans2Meter = MapContext.getDistanceTrans2Meter(); |
|
| 72 |
double distInInternalUnits = (userEntryDistance/trans2Meter[mapUnits]) * |
|
| 73 |
trans2Meter[distanceUnits]; |
|
| 74 |
|
|
| 75 |
//if layer's projections is in geographics coords, pass distance to a angular measure |
|
| 76 |
|
|
| 77 |
if( (proj != null) && !(proj.isProjected())) {
|
|
| 78 |
distInInternalUnits = |
|
| 79 |
UnitUtils.toSexaAngularMeasure(distInInternalUnits); |
|
| 80 |
} |
|
| 81 |
return distInInternalUnits; |
|
| 82 |
} |
|
| 83 |
} |
|
| 84 |
|
|
| org.gvsig.sextante/trunk/org.gvsig.sextante.app/org.gvsig.sextante.app.extension/src/main/java/org/gvsig/sextante/app/extension/core/MapTools.java | ||
|---|---|---|
| 1 |
/* |
|
| 2 |
* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana |
|
| 3 |
* |
|
| 4 |
* Copyright (C) 2010 Generalitat Valenciana. |
|
| 5 |
* |
|
| 6 |
* This program is free software; you can redistribute it and/or |
|
| 7 |
* modify it under the terms of the GNU General Public License |
|
| 8 |
* as published by the Free Software Foundation; either version 2 |
|
| 9 |
* of the License, or (at your option) any later version. |
|
| 10 |
* |
|
| 11 |
* This program is distributed in the hope that it will be useful, |
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 14 |
* GNU General Public License for more details. |
|
| 15 |
* |
|
| 16 |
* You should have received a copy of the GNU General Public License |
|
| 17 |
* along with this program; if not, write to the Free Software |
|
| 18 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. |
|
| 19 |
* |
|
| 20 |
*/ |
|
| 21 |
package org.gvsig.sextante.app.extension.core; |
|
| 22 |
|
|
| 23 |
import org.cresques.cts.IProjection; |
|
| 24 |
import org.gvsig.andami.PluginServices; |
|
| 25 |
import org.gvsig.andami.ui.mdiManager.IWindow; |
|
| 26 |
import org.gvsig.app.project.documents.view.gui.AbstractViewPanel; |
|
| 27 |
import org.gvsig.fmap.mapcontext.MapContext; |
|
| 28 |
|
|
| 29 |
|
|
| 30 |
/** |
|
| 31 |
* Map utilities |
|
| 32 |
* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a> |
|
| 33 |
*/ |
|
| 34 |
public class MapTools {
|
|
| 35 |
public static final double EARTH_RADIUS = 6378137d; |
|
| 36 |
|
|
| 37 |
/** |
|
| 38 |
* For computing with geodetic coordinates: |
|
| 39 |
* returns the angular measure (in radians) |
|
| 40 |
* for a distance over the earth along a |
|
| 41 |
* meridiam. |
|
| 42 |
* Because this consideration is an approximation, |
|
| 43 |
* we consideer the eart like an sphere (not an |
|
| 44 |
* ellipsoid) |
|
| 45 |
* @param dist distance in meters |
|
| 46 |
* @return arc of meridian whose length is the specified |
|
| 47 |
* distance |
|
| 48 |
*/ |
|
| 49 |
public static double toSexaAngularMeasure(double dist) {
|
|
| 50 |
/* |
|
| 51 |
* dist = 6378km(terrestrial radius) -> 2PI |
|
| 52 |
* passed distance -> incognite |
|
| 53 |
*/ |
|
| 54 |
return Math.toDegrees((2 * Math.PI * dist) / EARTH_RADIUS); |
|
| 55 |
} |
|
| 56 |
|
|
| 57 |
/** |
|
| 58 |
* Converts a distance entered by user in the GUI in the same distance |
|
| 59 |
* in internal units (measure units) |
|
| 60 |
* |
|
| 61 |
* */ |
|
| 62 |
public static double getInInternalUnits(double userEntryDistance, |
|
| 63 |
IProjection proj, |
|
| 64 |
int distanceUnits, |
|
| 65 |
int mapUnits) {
|
|
| 66 |
double[] trans2Meter = MapContext.getDistanceTrans2Meter(); |
|
| 67 |
double distInInternalUnits = (userEntryDistance/trans2Meter[mapUnits]) * |
|
| 68 |
trans2Meter[distanceUnits]; |
|
| 69 |
|
|
| 70 |
if( (proj != null) && !(proj.isProjected())) |
|
| 71 |
distInInternalUnits = toSexaAngularMeasure(distInInternalUnits); |
|
| 72 |
|
|
| 73 |
return distInInternalUnits; |
|
| 74 |
} |
|
| 75 |
|
|
| 76 |
/** |
|
| 77 |
* <p>Gets the measurement unit used by this view port for the map.</p> |
|
| 78 |
* |
|
| 79 |
* @return Returns the current map measure unit |
|
| 80 |
*/ |
|
| 81 |
public static int getMapUnits() {
|
|
| 82 |
IWindow w = PluginServices.getMDIManager().getActiveWindow(); |
|
| 83 |
if(!(w instanceof AbstractViewPanel)) {
|
|
| 84 |
IWindow[] wList = PluginServices.getMDIManager().getAllWindows(); |
|
| 85 |
for (int i = 0; i < wList.length; i++) {
|
|
| 86 |
if(wList[i] instanceof AbstractViewPanel) |
|
| 87 |
w = (IWindow)wList[i]; |
|
| 88 |
} |
|
| 89 |
} |
|
| 90 |
|
|
| 91 |
if(w != null && w instanceof AbstractViewPanel) {
|
|
| 92 |
IProjection proj = ((AbstractViewPanel)w).getMapControl().getViewPort().getProjection(); |
|
| 93 |
if(proj.isProjected()) |
|
| 94 |
return ((AbstractViewPanel)w).getMapControl().getViewPort().getMapUnits(); |
|
| 95 |
} |
|
| 96 |
return 1; |
|
| 97 |
} |
|
| 98 |
|
|
| 99 |
/** |
|
| 100 |
* <p>Returns the measurement unit of this view port used for measuring distances and displaying information.</p> |
|
| 101 |
* |
|
| 102 |
* @return the measurement unit of this view used for measuring distances and displaying information |
|
| 103 |
*/ |
|
| 104 |
public static int getDistanceUnits() {
|
|
| 105 |
IWindow w = PluginServices.getMDIManager().getActiveWindow(); |
|
| 106 |
if(!(w instanceof AbstractViewPanel)) {
|
|
| 107 |
IWindow[] wList = PluginServices.getMDIManager().getAllWindows(); |
|
| 108 |
for (int i = 0; i < wList.length; i++) {
|
|
| 109 |
if(wList[i] instanceof AbstractViewPanel) |
|
| 110 |
w = (IWindow)wList[i]; |
|
| 111 |
} |
|
| 112 |
} |
|
| 113 |
|
|
| 114 |
if(w != null && w instanceof AbstractViewPanel) |
|
| 115 |
return ((AbstractViewPanel)w).getMapControl().getViewPort().getDistanceUnits(); |
|
| 116 |
else |
|
| 117 |
return 1; |
|
| 118 |
} |
|
| 119 |
|
|
| 120 |
} |
|
| 0 | 121 | |
Also available in: Unified diff