Revision 22876 trunk/libraries/libTopology/src/org/gvsig/jts/voronoi/ChewVoronoiStrategy.java
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*/ |
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package org.gvsig.jts.voronoi; |
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import java.awt.geom.Point2D; |
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import java.rmi.server.UID; |
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import java.util.ArrayList; |
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import java.util.List; |
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import org.gvsig.exceptions.BaseException; |
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import org.gvsig.fmap.core.NewFConverter; |
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import org.gvsig.jts.voronoi.Voronoier.VoronoiStrategy; |
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import org.gvsig.jts.voronoi.chew.ChewVoronoiList; |
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import org.gvsig.fmap.core.FGeometryUtil; |
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import org.gvsig.jts.voronoi.chew.DTriangulationForJTS; |
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import org.gvsig.topology.Messages; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueFactory; |
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import com.iver.cit.gvsig.fmap.core.DefaultFeature; |
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import com.iver.cit.gvsig.fmap.core.IFeature; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.utiles.swing.threads.CancellableProgressTask; |
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import com.vividsolutions.jts.geom.Geometry;
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import com.vividsolutions.jts.geom.Coordinate;
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public class ChewVoronoiStrategy implements VoronoiStrategy {
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//TODO Ahora mismo el parametro onlySelection se est? ignorando. |
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//Hay que modificar DTriangulationForJTS para que tenga en cuenta esto |
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public List<IFeature> createTin(VoronoiAndTinInputLyr inputLyr, boolean onlySelection, |
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CancellableProgressTask progressMonitor) throws BaseException {
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public class ChewVoronoiStrategy extends AbstractVoronoiStrategy {
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ChewVoronoiList pointList = new ChewVoronoiList(inputLyr); |
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DTriangulationForJTS ojVoronoi = new DTriangulationForJTS(pointList); |
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List<Geometry> delaunayEdges = ojVoronoi.getTinTriangles(progressMonitor); |
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return createFeatureCollection(delaunayEdges); |
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} |
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public List<IFeature> createThiessenPolygons(VoronoiAndTinInputLyr inputLyr, |
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boolean onlySelection,CancellableProgressTask progressMonitor) |
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public List<TriangleFeature> createTin(VoronoiAndTinInputLyr inputLyr, |
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boolean onlySelection, CancellableProgressTask progressMonitor) |
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throws BaseException {
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ChewVoronoiList pointList = new ChewVoronoiList(inputLyr); |
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DTriangulationForJTS ojVoronoi = new DTriangulationForJTS(pointList); |
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List<Geometry> thiessenPolygons = ojVoronoi.getThiessenPolys(progressMonitor); |
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return createFeatureCollection(thiessenPolygons); |
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DTriangulationForJTS ojVoronoi = new DTriangulationForJTS(inputLyr, |
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onlySelection); |
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List<Coordinate[]> delaunayEdges = ojVoronoi |
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.getTinTriangles(progressMonitor); |
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return createTinFeatureCollection(delaunayEdges); |
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} |
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private List<IFeature> createFeatureCollection(List<Geometry> geoms){
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List<IFeature> solution = new ArrayList<IFeature>();
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private List<TriangleFeature> createTinFeatureCollection( |
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List<Coordinate[]> geoms) {
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List<TriangleFeature> solution = new ArrayList<TriangleFeature>();
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for (int i = 0; i < geoms.size(); i++) {
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Geometry jtsGeom = geoms.get(i); |
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IGeometry geom = NewFConverter.toFMap(jtsGeom); |
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Coordinate[] jtsGeom = geoms.get(i); |
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Point2D[] points = FGeometryUtil.getCoordinatesAsPoint2D(jtsGeom); |
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FTriangle triangle = new FTriangle(points[0], points[1], points[2]); |
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Value fid = ValueFactory.createValue(i); |
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Value associatedVertex = ValueFactory.createValue(i); |
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Value[] values = new Value[] { fid, associatedVertex };
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DefaultFeature feature = new DefaultFeature(geom, values, new UID()
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.toString()); |
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TriangleFeature feature = new TriangleFeature(triangle, values,
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new UID().toString());
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solution.add(feature); |
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} |
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return solution; |
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} |
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public List<IFeature> createThiessenPolygons(VoronoiAndTinInputLyr inputLyr, |
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boolean onlySelection) |
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throws BaseException {
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return createThiessenPolygons(inputLyr, onlySelection, null); |
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public String getName() {
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return Messages.getText("Chew: Incremental TIN based in a bounding triangle");
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} |
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public List<IFeature> createTin(VoronoiAndTinInputLyr inputLyr, boolean onlySelection) |
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throws BaseException {
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return createTin(inputLyr, onlySelection, null); |
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} |
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} |
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