gvsig-raster / org.gvsig.raster.georeferencing / trunk / org.gvsig.raster.georeferencing / org.gvsig.raster.georeferencing.app / org.gvsig.raster.georeferencing.app.georeferencingclient / src / main / java / org / gvsig / raster / georeferencing / app / georeferencingclient / listener / ViewRasterRequestManager.java @ 1724
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* 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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*/
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package org.gvsig.raster.georeferencing.app.georeferencingclient.listener; |
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import java.awt.Color; |
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import java.awt.Dimension; |
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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.gvsig.fmap.dal.coverage.store.RasterDataStore; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException; |
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import org.gvsig.raster.fmap.layers.DefaultFLyrRaster; |
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import org.gvsig.raster.fmap.layers.FLyrRaster; |
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import org.gvsig.raster.georeferencing.swing.exception.InvalidRequestException; |
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import org.gvsig.raster.georeferencing.swing.impl.GeoreferencingSwingImplLibrary; |
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import org.gvsig.raster.georeferencing.swing.view.GeoreferencingView; |
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import org.gvsig.raster.georeferencing.swing.view.IGraphicLayer; |
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import org.gvsig.raster.georeferencing.swing.view.IViewRequestManager; |
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/**
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class ViewRasterRequestManager implements IViewRequestManager { |
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private GeometryManager geomManager = GeometryLocator.getGeometryManager();
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private GeoreferencingView view = null; |
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private RasterDataStore store = null; |
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private Color backGroundColor = null; |
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private FLyrRaster lyr = null; |
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/**
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* Asigna la capa a georreferenciar de donde se obtienen los datos.
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* @param lyr
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*/
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public ViewRasterRequestManager(GeoreferencingView view, RasterDataStore store) {
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this.store = store;
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this.view = view;
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lyr = new DefaultFLyrRaster();
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try {
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((DefaultFLyrRaster)lyr).setDataStore(store); |
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} catch (LoadLayerException e) {
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GeoreferencingSwingImplLibrary.messageBoxError("error_setview_preview", null, e); |
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} |
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} |
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/**
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* Calcula la extensi?n que contendr? la vista a partir del extent
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* m?ximo de la capa/s que contienen . Tienen en cuenta las distintan proporciones
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* entre vista y petici?n
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* @param Rectangle2D
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*/
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public Rectangle2D initRequest(Rectangle2D extent) throws InvalidRequestException { |
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double x = extent.getX();
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double y = extent.getY();
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double w = extent.getWidth();
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double h = extent.getHeight();
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//Calculamos la extensi?n de la vista para el extent m?ximo que va a contener
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//teniendo en cuenta las proporciones de ambos.
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if(extent.getWidth() < extent.getHeight()) {
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if(((double)view.getCanvasWidth() / (double)view.getCanvasHeight()) <= (extent.getWidth() / extent.getHeight())) { |
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h = (view.getCanvasHeight() * w) / view.getCanvasWidth(); |
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y = extent.getCenterY() - (h / 2);
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} else { //p1 < p2 |
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w = (view.getCanvasWidth() * h) / view.getCanvasHeight(); |
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x = extent.getCenterX() - (w / 2);
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} |
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} else {
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if(((double)view.getCanvasWidth() / (double)view.getCanvasHeight()) >= (extent.getWidth() / extent.getHeight())) { |
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w = (view.getCanvasWidth() * h) / view.getCanvasHeight(); |
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x = extent.getCenterX() - (w / 2);
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} else { //p1 < p2 |
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h = (view.getCanvasHeight() * w) / view.getCanvasWidth(); |
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y = extent.getCenterY() - (h / 2);
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} |
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} |
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Rectangle2D r = new Rectangle2D.Double(x, y, w, h); |
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setDrawParams(null, r);
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request(r); |
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return r;
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} |
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/**
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* Asigna los par?metros para el control de zoom del mapa
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* @param img BufferedImage
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* @param vp ViewPort
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*/
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public void setDrawParams(BufferedImage img, Rectangle2D extBuf) { |
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if(view != null) { |
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if(img != null) |
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view.setDrawParams(img, extBuf, extBuf.getWidth()/img.getWidth(), new Point2D.Double(extBuf.getCenterX(), extBuf.getCenterY())); |
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else
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view.setDrawParams(img, extBuf, extBuf.getWidth()/view.getCanvasWidth(), new Point2D.Double(extBuf.getCenterX(), extBuf.getCenterY())); |
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} |
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} |
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/**
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* Obtiene el color de fondo
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* @return
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*/
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public Color getBackGroundColor() { |
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return backGroundColor;
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} |
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/**
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* Asigna el color de fondo
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* @param backGroundColor
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*/
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public void setBackGroundColor(Color backGroundColor) { |
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this.backGroundColor = backGroundColor;
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} |
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public void fullExtent() throws InvalidRequestException { |
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this.initRequest(store.getExtent().toRectangle2D());
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} |
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public Rectangle2D request(Rectangle2D extent) throws InvalidRequestException { |
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if(extent == null) |
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return store.getExtent().toRectangle2D();
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if(store.getExtent() == null) { |
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GeoreferencingSwingImplLibrary.messageBoxError("error_set_view", this, null); |
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return null; |
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} |
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//Ajustamos el extent al del raster
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/*Extent ext = null;
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//Extent extSelection = null;
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if(view.getCanvas().getMinxMaxyUL()) {
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ext = RasterLocator.getManager().getDataStructFactory().createExtent(extent);
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//extSelection = RasterLocator.getManager().getRasterUtils().calculateAdjustedView(ext, lyr.getFullRasterExtent());
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} else {
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ext = RasterLocator.getManager().getDataStructFactory().createExtent(extent.getMinX(), extent.getMinY(), extent.getMaxX(), extent.getMaxY());
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//extSelection = RasterLocator.getManager().getRasterUtils().calculateAdjustedView(ext, lyr.getFullRasterExtent());
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}*/
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try {
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ViewPort vp = new ViewPort();
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vp.setImageSize(new Dimension(view.getCanvasWidth(), view.getCanvasHeight())); |
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Envelope env = geomManager.createEnvelope( |
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extent.getMinX(), |
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extent.getMinY(), |
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extent.getMaxX(), |
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extent.getMaxY(), |
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SUBTYPES.GEOM2D); |
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//Envelope env = geomManager.createEnvelope(ext.getMin().getX(), ext.getMin().getY(), ext.getMax().getX(), ext.getMax().getY(), SUBTYPES.GEOM2D);
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vp.setEnvelope(env); |
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//Dibujamos a trav?s del render de la capa en un graphics como el de la vista
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BufferedImage initImg = new BufferedImage(view.getCanvasWidth(), view.getCanvasHeight(), BufferedImage.TYPE_INT_ARGB); |
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Graphics2D g2d = ((Graphics2D)initImg.getGraphics()); |
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if(backGroundColor != null && backGroundColor != Color.BLACK) { |
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g2d.setColor(backGroundColor); |
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g2d.fillRect(0, 0, view.getCanvasWidth(), view.getCanvasHeight()); |
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} |
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lyr.draw(initImg, g2d, vp, null, 1); |
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setDrawParams(initImg, extent); |
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//if(graphicLayer != null)
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//graphicLayer.recalcPixelDrawCoordinates();
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} catch (ReadException e) {
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throw new InvalidRequestException("Error en al acceso al fichero", e); |
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} catch (CreateEnvelopeException e) {
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throw new InvalidRequestException("Error asignando el ?rea de la petici?n", e); |
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} |
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return extent;
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} |
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public void setGCPsGraphicLayer(IGraphicLayer gl) { |
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} |
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} |