svn-gvsig-desktop / branches / v10 / extensions / DielmoOpenLidar / src / com / dielmo / gvsig / lidar / Strategies / LiDARStrategy.java @ 25419
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/* DielmoOpenLiDAR
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*
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* Copyright (C) 2008 DIELMO 3D S.L. (DIELMO) and Infrastructures
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* and Transports Department of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For more information, contact:
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*
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* DIELMO 3D S.L.
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* Plaza Vicente Andr?s Estell?s 1 Bajo E
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* 46950 Xirivella, Valencia
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* SPAIN
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*
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* +34 963137212
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* dielmo@dielmo.com
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* www.dielmo.com
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*
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* or
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*/
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/*
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* AUTHORS (In addition to DIELMO and CIT):
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*
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*/
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package com.dielmo.gvsig.lidar.Strategies; |
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import java.awt.Graphics2D; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import org.cresques.cts.ICoordTrans; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.core.FPoint2D; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.ISymbol; |
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import com.iver.cit.gvsig.fmap.drivers.DriverAttributes; |
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import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
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import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.ReadableVectorial; |
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import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.ClassifiableVectorial; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.SingleLayer; |
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import com.iver.cit.gvsig.fmap.operations.strategies.DefaultStrategy; |
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import com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor; |
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import com.iver.cit.gvsig.fmap.operations.strategies.VisitException; |
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import com.iver.cit.gvsig.fmap.rendering.VectorialLegend; |
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import com.iver.cit.gvsig.project.documents.view.gui.View; |
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import com.iver.utiles.swing.threads.Cancellable; |
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import com.iver.utiles.swing.threads.CancellableMonitorable; |
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/**
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* Esta clase se encargar? de dibujar las capas LiDAR
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*
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* @author Jos? Carlos Garcia
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*/
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public class LiDARStrategy extends DefaultStrategy { |
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int maxGrosor;
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ViewPort viewportCapa; |
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/**
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* Crea un nuevo LiDARStrategy.
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*
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* @param layer
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*/
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public LiDARStrategy(FLayer layer, int grosor) { |
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super(layer);
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viewportCapa = ((View) PluginServices.getMDIManager().getActiveWindow()).getMapControl().getViewPort();
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maxGrosor=grosor; |
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} |
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/**
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* Recorre las features de la capa vectorial invocando el m?todo visit del
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* visitador que se pasa como par?metro, que es el que realizar? la
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* operaci?n relacionada con la geometry.
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*
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* @param visitor
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* @param cancel
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* @throws DriverException
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* @throws VisitException
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*/
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public void process(FeatureVisitor visitor, CancellableMonitorable cancel) throws DriverException, VisitException { |
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try {
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FLayer capa = getCapa(); |
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if (visitor.start(capa)) {
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ReadableVectorial va = ((SingleLayer) capa).getSource(); |
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ICoordTrans ct = getCapa().getCoordTrans(); |
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va.start(); |
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if(va.getFullExtent().intersects(viewportCapa.getAdjustedExtent())){
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for (int i = 0; i < va.getShapeCount(); i++) { |
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if(cancel != null){ |
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cancel.reportStep(); |
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} |
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if(verifyCancelation(cancel, va, visitor))
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return;
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IGeometry geom = va.getShape(i); |
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if (ct != null) { |
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geom.reProject(ct); |
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} |
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visitor.visit(geom, i); |
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} |
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} |
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va.stop(); |
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// logger.info("visitor.stop()");
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visitor.stop(capa); |
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} |
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} catch (DriverIOException e) {
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throw new DriverException(e); |
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} |
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} |
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/**
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* Dibuja la capa vectorial asociada al Strategy en la imagen que se pasa
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* como par?metro.
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*
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* @param image
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* @param g
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* @param viewPort
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* @param cancel
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*
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* @throws DriverException
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*/
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public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
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Cancellable cancel) throws DriverException {
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try {
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ReadableVectorial rvLiDAR = ((SingleLayer) getCapa()).getSource(); |
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ICoordTrans ct = getCapa().getCoordTrans(); |
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// logger.info("adapter.start()");
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rvLiDAR.start(); |
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// logger.info("getCapa().getRecordset().start()");
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SelectableDataSource dsLidar = ((AlphanumericData) getCapa()) |
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.getRecordset(); |
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if (dsLidar != null) |
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dsLidar.start(); |
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int numRowsLidar;
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Rectangle2D extent = viewPort.getAdjustedExtent();
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Rectangle2D fullExtent = getCapa().getFullExtent();
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if (!extent.intersects(fullExtent))
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return;
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// ati = viewPort.getAffineTransform();
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numRowsLidar = rvLiDAR.getShapeCount(); |
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// TODO: A revisar si es o no conveniente este sistema
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// de comunicaci?n con los drivers.
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DriverAttributes attr = rvLiDAR.getDriverAttributes(); |
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boolean bMustClone = false; |
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if (attr != null) { |
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if (attr.isLoadedInMemory()) {
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bMustClone = attr.isLoadedInMemory(); |
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} |
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} |
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VectorialLegend l = (VectorialLegend) ((ClassifiableVectorial) getCapa()).getLegend(); |
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FBitSet bitSet = dsLidar.getSelection(); |
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//ajustamos el increment en funci?n del tama?o de pixel de la vista
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double resolucion = viewPort.getDist1pixel();
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int increment = 0; |
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if (resolucion < 25) |
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increment = (int) Math.floor(resolucion*(resolucion/3)); |
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else
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increment = (int) Math.ceil(numRowsLidar / ((fullExtent.getWidth()/resolucion) * (fullExtent.getHeight()/resolucion))*(resolucion/30)); |
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// if (incrementAux > increment)
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// increment = incrementAux;
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if (increment < 1) |
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increment = 1;
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//para que al menos pinte 5 puntos
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if (increment > numRowsLidar/5) |
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increment = (int) Math.floor(numRowsLidar/5); |
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int incrementAux = increment;
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int incrementFast = 400; |
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if (incrementFast < incrementAux)
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incrementFast = incrementAux; |
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// limites de incremento.
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int limiteIncremento = incrementFast*10; |
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int limiteIncrementoFast=incrementFast*11; |
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//ajustamos el grosor del punto en funci?n del tama?o de pixel de la vista
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int grosor;
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if (resolucion > 0 && resolucion < 25) |
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grosor = (int) Math.round(1/(resolucion*1.5)); |
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else
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if(resolucion >= 25 && resolucion < 250) |
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grosor=1;
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else
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if(resolucion >= 250) |
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grosor=0;
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else {
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grosor=maxGrosor; |
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} |
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// maximo 10 de grosor
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if (grosor > maxGrosor)
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grosor = maxGrosor; |
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// minimo 0 de grosor
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if(grosor<0) |
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grosor=0;
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int ii,jj,pixX,pixY;
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//contIN es el contador de puntos que caen dentro de la vista
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long contIN=0; |
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//contIN es el contador de puntos que caen fuera de la vista
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long contOUT=0; |
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// recorremos por incrementos
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for (int i = 0; i < numRowsLidar; i += increment) { |
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// si se cancela salir del bucle
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if (cancel.isCanceled()) {
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break;
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} |
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// obtener la geometria del punto i
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IGeometry geom = rvLiDAR.getShape(i); |
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if (geom == null) { |
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continue;
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} |
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if (ct != null) { |
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if (bMustClone)
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geom = geom.cloneGeometry(); |
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geom.reProject(ct); |
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} |
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ISymbol symbol = l.getSymbol(i); |
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if (symbol == null) |
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continue;
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if (bitSet != null) |
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if (bitSet.get(i)) {
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symbol = symbol.getSymbolForSelection(); |
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} |
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if (symbol != null) { |
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// geom.draw(g, viewPort, symbol);
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FPoint2D p = (FPoint2D) geom.getInternalShape(); |
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Point2D.Double pOrig = new Point2D.Double(p.getX(), p.getY()); |
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Point2D pDest, pDest2;
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pDest = viewPort.getAffineTransform().transform(pOrig,null);
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pDest2 = g.getTransform().transform(pDest, null);
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pixX = (int) pDest2.getX();
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pixY = (int) pDest2.getY();
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if (symbol == null) |
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continue;
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// pinta el pixel del grosor correspendiente
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if ((pixX > grosor) && (pixX < image.getWidth()-grosor) && (pixY > grosor) && (pixY < image.getHeight()-grosor)) {
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if (grosor == 0) |
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image.setRGB(pixX, pixY, symbol.getOnePointRgb()); |
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else{
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for (ii=-grosor;ii<=grosor;ii++){
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for (jj=-grosor;jj<=grosor;jj++){
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image.setRGB(pixX+ii, pixY+jj, symbol.getOnePointRgb()); |
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} |
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} |
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} |
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} |
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// si cae dentro de la vista
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if ((pixX > 1-incrementFast) && (pixX < image.getWidth()+incrementFast) && (pixY > 1-incrementFast) && (pixY < image.getHeight()-1+incrementFast)) { |
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// El primer punto despues de no entrar ningun punto tras limiteIncrementoFast cambiara el incremento
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// y retrasara el indice de recorrido de puntos.
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if (contIN == 0){ |
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increment = incrementAux; |
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if (i>limiteIncremento)
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i=i-limiteIncremento; |
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} |
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// si el punto cae dentro de la vista +/- incrementFast incrementamos contIN.
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contIN ++; |
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contOUT=0;
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} else { // si caen fuera de la vista y supera el limiteIncrementoFast indicado nos pasamos al incremento rapido |
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if (contOUT == limiteIncrementoFast){
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contIN=0;
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increment = incrementFast; |
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} |
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contOUT++; |
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} |
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} |
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} |
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/*
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increment = incrementAux;
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if (increment > 10)
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{
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for (int i = sc-increment/2; i > 0; i -= increment) {
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if (cancel.isCanceled()) {
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break;
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}
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IGeometry geom = adapter.getShape(i);
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if (geom == null) {
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continue;
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}
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if (ct != null) {
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if (bMustClone)
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geom = geom.cloneGeometry();
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geom.reProject(ct);
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}
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ISymbol symbol = l.getSymbol(i);
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if (symbol == null)
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continue;
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if (bitSet != null)
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if (bitSet.get(i)) {
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symbol = symbol.getSymbolForSelection();
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}
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if (symbol != null) {
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// geom.draw(g, viewPort, symbol);
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FPoint2D p = (FPoint2D) geom.getInternalShape();
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Point2D.Double pOrig = new Point2D.Double(p.getX(), p.getY());
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Point2D pDest, pDest2;
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pDest = viewPort.getAffineTransform().transform(pOrig,
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null);
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pDest2 = g.getTransform().transform(pDest, null);
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pixX = (int) pDest2.getX();
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pixY = (int) pDest2.getY();
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if (symbol == null)
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continue;
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if ((pixX > grosor) && (pixX < image.getWidth()-grosor) && (pixY > grosor) && (pixY < image.getHeight()-grosor))
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{
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for (ii=-grosor;ii<=grosor;ii++)
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{
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for (jj=-grosor;jj<=grosor;jj++)
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{
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image.setRGB(pixX+ii, pixY+jj, symbol.getOnePointRgb());
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}
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}
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}
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if ((pixX > 1-incrementFast) && (pixX < image.getWidth()+incrementFast) && (pixY > 1-incrementFast) && (pixY < image.getHeight()-1+incrementFast))
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{
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if (contIN == 0)
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{
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increment = incrementAux;
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if (i>incrementFast*10)
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i=i-incrementFast*10;
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}
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contIN ++;
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contOUT=0;
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}
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else
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{
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if (contOUT == incrementFast*11)
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{
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contIN=0;
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increment = incrementFast;
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}
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contOUT++;
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}
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}
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}
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}
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*/
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// logger.info("getCapa().getRecordset().stop()");
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if (dsLidar != null) |
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dsLidar.stop(); |
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// logger.debug("adapter.stop()");
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rvLiDAR.stop(); |
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// TODO: A revisar si es o no conveniente este sistema
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// de comunicaci?n con los drivers.
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// DriverAttributes attr = adapter.getDriverAttributes();
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/*
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* if (attr != null) { if (attr.isLoadedInMemory()) { // Quitamos lo
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* de la reproyecci?n al vuelo para que // solo se haga una vez.
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* getCapa().setCoordTrans(null); } }
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*/
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} catch (DriverIOException e) {
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throw new DriverException(e); |
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} catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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throw new DriverException(e); |
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} catch (DriverException e) {
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throw new DriverException(e); |
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} |
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} |
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} |