gvsig-raster / org.gvsig.raster / branches / org.gvsig.raster_dataaccess_refactoring / org.gvsig.raster.lib / org.gvsig.raster.lib.impl / src / main / java / org / gvsig / raster / impl / grid / render / DefaultRender.java @ 2236
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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.impl.grid.render; |
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import java.awt.Graphics2D; |
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import java.awt.Image; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Dimension2D; |
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import java.awt.geom.NoninvertibleTransformException; |
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import java.awt.geom.Point2D; |
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import java.util.ArrayList; |
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import org.cresques.cts.ICoordTrans; |
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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.fmap.dal.coverage.RasterManager; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.datastruct.Params; |
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import org.gvsig.fmap.dal.coverage.datastruct.ViewPortData; |
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import org.gvsig.fmap.dal.coverage.exception.FilterManagerException; |
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import org.gvsig.fmap.dal.coverage.exception.FilterTypeException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.QueryException; |
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import org.gvsig.fmap.dal.coverage.grid.FilterListChangeEvent; |
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import org.gvsig.fmap.dal.coverage.grid.FilterListChangeListener; |
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import org.gvsig.fmap.dal.coverage.grid.Grid; |
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import org.gvsig.fmap.dal.coverage.grid.RasterFilter; |
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import org.gvsig.fmap.dal.coverage.grid.RasterFilterList; |
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import org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager; |
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import org.gvsig.fmap.dal.coverage.grid.render.Render; |
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import org.gvsig.fmap.dal.coverage.grid.render.VisualPropertyEvent; |
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import org.gvsig.fmap.dal.coverage.grid.render.VisualPropertyListener; |
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import org.gvsig.fmap.dal.coverage.store.RasterDataStore; |
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import org.gvsig.fmap.dal.coverage.store.RasterQuery; |
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import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation; |
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import org.gvsig.fmap.dal.coverage.store.props.ColorTable; |
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import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
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import org.gvsig.fmap.dal.coverage.util.PropertyEvent; |
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import org.gvsig.fmap.dal.coverage.util.PropertyListener; |
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import org.gvsig.fmap.dal.coverage.util.RasterUtils; |
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import org.gvsig.raster.cache.tile.Tile; |
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import org.gvsig.raster.cache.tile.exception.TileGettingException; |
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import org.gvsig.raster.cache.tile.provider.TileListener; |
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import org.gvsig.raster.impl.buffer.DefaultRasterQuery; |
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import org.gvsig.raster.impl.datastruct.DefaultViewPortData; |
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import org.gvsig.raster.impl.datastruct.ExtentImpl; |
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import org.gvsig.raster.impl.grid.GridImpl; |
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import org.gvsig.raster.impl.grid.filter.band.ColorTableFilter; |
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import org.gvsig.raster.impl.store.properties.DataStoreColorInterpretation; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dynobject.DynStruct; |
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import org.gvsig.tools.persistence.PersistenceManager; |
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import org.gvsig.tools.persistence.Persistent; |
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import org.gvsig.tools.persistence.PersistentState; |
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import org.gvsig.tools.persistence.exception.PersistenceException; |
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import org.gvsig.tools.task.TaskStatus; |
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import org.slf4j.LoggerFactory; |
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/**
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* Esta clase se encarga de la gesti?n del dibujado de datos le?dos desde la capa
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* "dataaccess" sobre objetos java. Para ello necesita una fuente de datos que tipicamente
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* es un buffer (RasterBuffer) y un objeto que realice la funci?n de escritura de datos a
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* partir de un estado inicial.
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* Esta capa del renderizado gestiona Extents, rotaciones, tama?os de vista pero la escritura
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* de datos desde el buffer al objeto image es llevada a cabo por ImageDrawer.
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*
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* Par?metros de control de la visualizaci?n:
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* <UL>
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* <LI>renderBands: Orden de visualizado de las bands.</LI>
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* <LI>replicateBands: Para visualizaci?n de raster de una banda. Dice si se replica sobre las otras dos bandas
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* de visualizaci?n o se ponen a 0.</LI>
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* <LI>enhanced: aplicaci?n de filtro de realce</LI>
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* <LI>removeEnds: Eliminar extremos en el filtro de realce. Uso del segundo m?ximo y m?nimo</LI>
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* <LI>tailTrim: Aplicacion de recorte de colas en el realce. Es un valor decimal que representa el porcentaje del recorte entre 100.
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* Es decir, 0.1 significa que el recorte es de un 10%</LI>
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* </UL>
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class DefaultRender implements Render, PropertyListener, FilterListChangeListener, Persistent, TileListener { |
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/**
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* Grid para la gesti?n del buffer
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*/
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private Grid grid = null; |
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/**
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* Fuente de datos para el renderizado
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*/
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private RasterDataStore dataStore = null; |
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/**
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* N?mero de bandas a renderizar y en el orden que se har?. Esto es asignado
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* por el usuario de la renderizaci?n.
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*/
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private int[] renderBands = { 0, 1, 2 }; |
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private ImageDrawerImpl drawer = null; |
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/**
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* Ultima transparencia aplicada en la visualizaci?n que es obtenida desde el
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* grid
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*/
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private Transparency lastTransparency = null; |
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private int lastAlphaBand = -1; |
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/**
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* Lista de filtros aplicada en la renderizaci?n
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*/
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private RasterFilterList filterList = null; |
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/**
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* Ancho y alto del objeto Image en una petici?n de dibujado a un raster
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* raster
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*/
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private double widthImage, heightImage; |
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private Point2D ulPxRequest, lrPxRequest; |
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/**
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* Array de listeners que ser?n informados cuando cambia una propiedad en la visualizaci?n
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*/
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private ArrayList<VisualPropertyListener> |
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visualPropertyListener = new ArrayList<VisualPropertyListener>(); |
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private RasterUtils util = RasterLocator.getManager().getRasterUtils();
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private boolean isDrawing = false; |
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private Graphics2D lastGraphics = null; |
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private ViewPortData lastViewPortData = null; |
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private Dimension2D viewDimension = null; |
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private RasterRenderReprojection
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reprojectionOnTheFly = null;
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private RasterManager rManager = null; |
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/**
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* Constructor
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* @param grid
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*/
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public DefaultRender() {
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} |
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/**
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* Constructor
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* @param grid
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*/
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public DefaultRender(RasterDataStore ds) {
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this.dataStore = ds;
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init(); |
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} |
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private RasterManager getRasterManager() {
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if(rManager == null) |
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rManager = RasterLocator.getManager(); |
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return rManager;
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} |
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public void createReprojectionOnTheFly( |
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RasterDataStore store, |
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ICoordTrans coordTrans, |
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TaskStatus status) {
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reprojectionOnTheFly = new RasterRenderReprojection(
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store, coordTrans, status); |
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} |
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public boolean isReprojectingOnTheFly() { |
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return reprojectionOnTheFly != null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getDataStore()
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*/
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public RasterDataStore getDataStore() {
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return this.dataStore; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setDataStore(org.gvsig.fmap.dal.coverage.store.RasterDataStore)
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*/
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public void setDataStore(RasterDataStore dataStore) { |
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this.dataStore = dataStore;
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init(); |
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} |
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private void init() { |
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if(dataStore == null || dataStore.getDataType() == null) |
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return;
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drawer = new ImageDrawerImpl();
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if (dataStore == null) { |
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setRenderBands(new int[] { 0, 1, 2 }); |
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return;
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} |
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//Bandas que se dibujan por defecto si la interpretaci?n de color no tiene valores
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switch (dataStore.getBandCount()) {
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case 1: |
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setRenderBands(new int[] { 0, 0, 0 }); |
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break;
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case 2: |
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setRenderBands(new int[] { 0, 1, 1 }); |
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break;
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default:
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setRenderBands(new int[] { 0, 1, 2 }); |
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break;
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} |
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//---------------------------------------------------
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//INICIALIZACI?N DE LA INTERPRETACI?N DE COLOR
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//Inicializaci?n de la asignaci?n de bandas en el renderizado
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//Leemos el objeto metadata para obtener la interpretaci?n de color asociada al raster
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ColorInterpretation colorInterpr = dataStore.getColorInterpretation(); |
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if (colorInterpr != null) |
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if (colorInterpr.getBand(DataStoreColorInterpretation.PAL_BAND) == -1) { |
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if (colorInterpr.isUndefined())
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return;
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int[] result = new int[] { -1, -1, -1 }; |
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int gray = colorInterpr.getBand(DataStoreColorInterpretation.GRAY_BAND);
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if (gray != -1) |
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result[0] = result[1] = result[2] = gray; |
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else {
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int r = colorInterpr.getBand(DataStoreColorInterpretation.RED_BAND);
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if (r != -1) |
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result[0] = r;
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int g = colorInterpr.getBand(DataStoreColorInterpretation.GREEN_BAND);
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if (g != -1) |
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result[1] = g;
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int b = colorInterpr.getBand(DataStoreColorInterpretation.BLUE_BAND);
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if (b != -1) |
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result[2] = b;
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} |
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setRenderBands(result); |
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} |
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} |
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/**
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* Asigna un listener a la lista que ser? informado cuando cambie una
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* propiedad visual en la renderizaci?n.
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* @param listener VisualPropertyListener
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*/
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public void addVisualPropertyListener(VisualPropertyListener listener) { |
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visualPropertyListener.add(listener); |
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} |
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/**
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* M?todo llamado cuando hay un cambio en una propiedad de visualizaci?n
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*/
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private void callVisualPropertyChanged(Object obj) { |
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if(visualPropertyListener != null) { |
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for (int i = 0; i < visualPropertyListener.size(); i++) { |
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VisualPropertyEvent ev = new VisualPropertyEvent(obj);
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((VisualPropertyListener)visualPropertyListener.get(i)).visualPropertyValueChanged(ev); |
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} |
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} |
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} |
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/**
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* Thread de dibujado
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*/
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public void run() { |
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try {
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draw(lastGraphics, lastViewPortData, null);
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} catch (QueryException e) {
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LoggerFactory.getLogger(getClass()).debug("Error in a query", e);
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} catch (ProcessInterruptedException e) {
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} |
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} |
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public void setGraphicInfo(Graphics2D g, ViewPortData vp) { |
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this.lastGraphics = g;
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this.lastViewPortData = vp;
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} |
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public void drawThread(Graphics2D g, ViewPortData vp) { |
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//Se dibuja si cae dentro de la vista
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if(util.isOutside(vp.getExtent(), dataStore.getExtent()))
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return;
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setReading(true);
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setGraphicInfo(g, vp); |
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new Thread(this).start(); |
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while(isReading()) {
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try {
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Thread.sleep(50); |
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} catch (InterruptedException e) { |
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break;
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} |
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} |
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} |
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public synchronized void drawTiledService(Graphics2D g, |
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ViewPortData vp, |
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Dimension2D viewDimension,
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TaskStatus taskStatus) |
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throws QueryException, ProcessInterruptedException {
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lastGraphics = g; |
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lastViewPortData = vp; |
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this.viewDimension = viewDimension;
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if(util.isOutside(vp.getExtent(), dataStore.getExtent())) {
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endReading(); |
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return;
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} |
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if (dataStore != null) { |
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if(getLastTransparency().getAlphaBandNumber() == -1) |
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getLastTransparency().setTransparencyBand(dataStore.getTransparency().getAlphaBandNumber()); |
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lastAlphaBand = getLastTransparency().getAlphaBandNumber(); |
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// Asignamos la banda de transparencia si existe esta
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RasterQuery query = getRasterManager().createQuery(); |
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query.setTaskStatus(taskStatus); |
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query.setTime(vp.getTime()); |
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query.setSupersamplingOption(false); // Desactivamos el supersampleo en la carga del buffer. |
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query.setDrawableBands(getRenderBands()); |
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query.setAlphaBand(getLastTransparency().getAlphaBandNumber()); |
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query.setAreaOfInterest(vp.getExtent(), |
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(int)Math.round(vp.getWidth()), |
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(int)Math.round(vp.getHeight()), this); |
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dataStore.query(query); |
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query.setSupersamplingOption(true);
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} else
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return;
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} |
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public synchronized Buffer getLastRenderBuffer() |
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throws QueryException, ProcessInterruptedException {
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return draw(null, lastViewPortData, null); |
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} |
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public synchronized Buffer draw(Graphics2D g, ViewPortData vp, TaskStatus taskStatus) |
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throws QueryException, ProcessInterruptedException {
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lastGraphics = g; |
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lastViewPortData = vp; |
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if(util.isOutside(vp.getExtent(), dataStore.getExtent())) {
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endReading(); |
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return null; |
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} |
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Extent adjustedRotedRequest = request(vp, dataStore); |
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if ((widthImage <= 0) || (heightImage <= 0)) { |
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endReading(); |
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return null; |
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} |
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if (dataStore == null) |
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return null; |
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Buffer buf = null; |
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double[] step = null; |
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if(reprojectionOnTheFly != null) { |
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buf = reprojectionOnTheFly.warp(adjustedRotedRequest, |
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(int)Math.round(widthImage), |
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(int)Math.round(heightImage), |
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vp.getTime(), |
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renderBands, |
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getLastTransparency()); |
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} else {
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if (getLastTransparency().getAlphaBandNumber() != -1) { |
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RasterQuery query = getRasterManager().createQuery(); |
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//query.setReadOnly(true);
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//query.setMemoryBuffer(true); //Ojo! con buffers remotos
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query.setTaskStatus(taskStatus); |
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query.setTime(vp.getTime()); |
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query.setAreaOfInterest(adjustedRotedRequest, (int)Math.round(widthImage), (int)Math.round(heightImage)); |
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query.setDrawableBands(new int[] { getLastTransparency().getAlphaBandNumber()}); |
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getLastTransparency().setAlphaBand(dataStore.query(query)); |
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} |
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lastAlphaBand = getLastTransparency().getAlphaBandNumber(); |
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RasterQuery query = getRasterManager().createQuery(); |
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//query.setReadOnly(true);
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//query.setMemoryBuffer(true); //Ojo! con buffers remotos
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query.setTaskStatus(taskStatus); |
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query.setTime(vp.getTime()); |
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query.setAreaOfInterest(adjustedRotedRequest, (int)Math.round(widthImage), (int)Math.round(heightImage)); |
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query.setDrawableBands(getRenderBands()); |
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buf = dataStore.query(query); |
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step = query.getStep(); |
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} |
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if(drawer == null) { |
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init(); |
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} |
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return drawBufferOnImage(lastGraphics,
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lastViewPortData, |
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buf, |
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step, |
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dataStore.getAffineTransform(), |
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adjustedRotedRequest); |
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} |
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private synchronized Buffer drawBufferOnImage(Graphics2D g, ViewPortData vp, Buffer buf, double[] step, AffineTransform transf, Extent adjustedRotedRequest) |
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throws QueryException, ProcessInterruptedException {
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grid = bufferPreprocessing(buf, lastTransparency); |
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//Buffer filtrado para renderizar
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buf = grid.getRasterBuf(); |
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if(g == null) |
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return buf;
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drawer.setBuffer(buf); // Buffer de datos a renderizar
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drawer.setSupersamplingOn(step); // Desplazamiento para supersampleo
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drawer.setOutputSize((int)Math.round(widthImage), (int)Math.round(heightImage)); // Ancho y alto del buffer |
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drawer.setLastTransparency(getLastTransparency()); |
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Image geoImage = drawer.drawBufferOverImageObject(); // Acci?n de renderizado |
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drawer.dispose(); |
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// Borramos el buffer de transparencia para que siempre se tenga que regenerar.
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getLastTransparency().setAlphaBand(null);
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//En el caso de no tenga rotaci?n y el tama?o de pixel sea positivo en X y negativo en Y no aplicamos ninguna
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//transformaci?n. Esto no es necesario hacerlo, sin ello se visualiza igual. Unicamente se hace porque de esta
|
| 439 |
//forma el raster resultante mejora un poco en calidad en ciertos niveles de zoom ya que al aplicar transformaciones
|
| 440 |
//sobre el Graphics parece que pierde algo de calidad.
|
| 441 |
if(transf.getScaleX() > 0 && transf.getScaleY() < 0 && transf.getShearX() == 0 && transf.getShearY() == 0) { |
| 442 |
Point2D lastGraphicOffset = new Point2D.Double(adjustedRotedRequest.getULX(), adjustedRotedRequest.getULY()); |
| 443 |
((DefaultViewPortData)vp).mat.transform(lastGraphicOffset, lastGraphicOffset); |
| 444 |
g.drawImage(geoImage, (int) Math.round(lastGraphicOffset.getX()), (int) Math.round(lastGraphicOffset.getY()), null); |
| 445 |
return buf;
|
| 446 |
} |
| 447 |
|
| 448 |
/*
|
| 449 |
* Tenemos una matriz con la transformaci?n de la coordenadas de la vista a coordenadas reales vp.mat, adem?s tenemos
|
| 450 |
* la transformaci?n de coordenadas reales a coordenadas pixel (transf). Con ambas podemos obtener una matriz de trasformacion
|
| 451 |
* entre coordenadas de la vista a coordenadas pixel (transf X vp.mat). As? obtenemos la transformaci?n entre coordenadas
|
| 452 |
* de la vista y coordenadas pixel del raster. El problema es que a cada zoom la escala de la petici?n del raster varia
|
| 453 |
* por lo que habr? que calcular una matriz con la escala (escale). escale X transf X vp.mat
|
| 454 |
*/
|
| 455 |
double sX = Math.abs(ulPxRequest.getX() - lrPxRequest.getX()) / widthImage; |
| 456 |
double sY = Math.abs(ulPxRequest.getY() - lrPxRequest.getY()) / heightImage; |
| 457 |
AffineTransform scale = new AffineTransform(sX, 0, 0, sY, 0, 0); |
| 458 |
|
| 459 |
try {
|
| 460 |
AffineTransform at = (AffineTransform)scale.clone(); |
| 461 |
at.preConcatenate(transf); |
| 462 |
at.preConcatenate(vp.getMat()); |
| 463 |
g.transform(at); |
| 464 |
Point2D.Double pt = null; |
| 465 |
//El punto sobre el que rota la imagen depende del signo de los tama?os del pixel
|
| 466 |
if(transf.getScaleX() < 0 && transf.getScaleY() < 0) |
| 467 |
pt = new Point2D.Double(adjustedRotedRequest.maxX(), adjustedRotedRequest.maxY()); |
| 468 |
else if(transf.getScaleX() > 0 && transf.getScaleY() > 0) |
| 469 |
pt = new Point2D.Double(adjustedRotedRequest.minX(), adjustedRotedRequest.minY()); |
| 470 |
else if(transf.getScaleX() < 0 && transf.getScaleY() > 0) |
| 471 |
pt = new Point2D.Double(adjustedRotedRequest.maxX(), adjustedRotedRequest.minY()); |
| 472 |
else
|
| 473 |
pt = new Point2D.Double(adjustedRotedRequest.getULX(), adjustedRotedRequest.getULY()); |
| 474 |
vp.getMat().transform(pt, pt); |
| 475 |
at.inverseTransform(pt, pt); |
| 476 |
g.drawImage(geoImage, (int) Math.round(pt.getX()), (int) Math.round(pt.getY()), null); |
| 477 |
g.transform(at.createInverse()); |
| 478 |
} catch (NoninvertibleTransformException e) { |
| 479 |
LoggerFactory.getLogger(getClass()).debug("Transformation error", e);
|
| 480 |
} |
| 481 |
|
| 482 |
return buf;
|
| 483 |
// long t2 = new Date().getTime();
|
| 484 |
// System.out.println("Renderizando Raster: " + ((t2 - t1) / 1000D) + ", secs.");
|
| 485 |
} |
| 486 |
|
| 487 |
public synchronized void tileReady(Tile loadedTile) throws TileGettingException { |
| 488 |
boolean crash = false; |
| 489 |
Boolean tiling = (Boolean)loadedTile.getDownloaderParams("Tiling"); |
| 490 |
double[] step = (double[])loadedTile.getDownloaderParams("Step"); |
| 491 |
AffineTransform transf = (AffineTransform)loadedTile.getDownloaderParams("AffineTransform"); |
| 492 |
|
| 493 |
Extent e = getRasterManager().getDataStructFactory(). |
| 494 |
createExtent(loadedTile.getUl().getX(), |
| 495 |
loadedTile.getUl().getY(), |
| 496 |
loadedTile.getLr().getX(), |
| 497 |
loadedTile.getLr().getY()); |
| 498 |
|
| 499 |
Buffer buf = (loadedTile.getData() != null && loadedTile.getData().length > 0) ? (Buffer)loadedTile.getData()[0] : null; |
| 500 |
Buffer transparencyBuffer = (loadedTile.getData() != null && loadedTile.getData().length > 1) |
| 501 |
? (Buffer)loadedTile.getData()[1] : null; |
| 502 |
|
| 503 |
if(!loadedTile.dataIsLoaded()) {
|
| 504 |
if(loadedTile.getCrashImage() == null) |
| 505 |
return;
|
| 506 |
crash = true;
|
| 507 |
buf = (Buffer)loadedTile.getCrashImage()[0]; |
| 508 |
transparencyBuffer = (Buffer)loadedTile.getCrashImage()[1]; |
| 509 |
transparencyBuffer.setDataExtent(e.toRectangle2D()); |
| 510 |
} else {
|
| 511 |
if(buf == null) |
| 512 |
return;
|
| 513 |
ColorTable tileColorTable = (loadedTile.getData() != null && loadedTile.getData().length > 2) ? (ColorTable)loadedTile.getData()[2] : null; |
| 514 |
if(tiling == null || tiling.booleanValue()) { |
| 515 |
if(filterList != null) |
| 516 |
addTileColorTable(tileColorTable); |
| 517 |
} |
| 518 |
} |
| 519 |
|
| 520 |
if(tiling == null || tiling.booleanValue()) { |
| 521 |
lastTransparency.setAlphaBand(transparencyBuffer); |
| 522 |
Grid grid = null;
|
| 523 |
try {
|
| 524 |
grid = bufferPreprocessing(buf, lastTransparency); |
| 525 |
} catch (ProcessInterruptedException e3) {
|
| 526 |
return;
|
| 527 |
} |
| 528 |
buf = grid.getRasterBuf(); |
| 529 |
} |
| 530 |
|
| 531 |
if(tiling == null || tiling.booleanValue()) { |
| 532 |
//Reescalado de los tiles. El tama?o en pixels de un tile no tiene pq coincidir con el de la vista.
|
| 533 |
double w = lastViewPortData.getWidth();
|
| 534 |
double h = lastViewPortData.getHeight();
|
| 535 |
if(viewDimension != null) { |
| 536 |
w = viewDimension.getWidth(); |
| 537 |
h = viewDimension.getHeight(); |
| 538 |
} |
| 539 |
double viewScaleW = lastViewPortData.getExtent().width() / w;
|
| 540 |
double tileScaleW = e.width() / (double)buf.getWidth(); |
| 541 |
double scaleW = viewScaleW / tileScaleW;
|
| 542 |
double viewScaleH = lastViewPortData.getExtent().height() / h;
|
| 543 |
double tileScaleH = e.height() / (double)buf.getHeight(); |
| 544 |
double scaleH = viewScaleH / tileScaleH;
|
| 545 |
|
| 546 |
ImageDrawerImpl d = new ImageDrawerImpl();
|
| 547 |
d.setBuffer(buf); |
| 548 |
d.setSupersamplingOn(null);
|
| 549 |
d.setOutputSize(buf.getWidth(), buf.getHeight()); |
| 550 |
d.setLastTransparency(getLastTransparency()); |
| 551 |
Image geoImage;
|
| 552 |
try {
|
| 553 |
geoImage = d.drawBufferOverImageObject(); |
| 554 |
} catch (ProcessInterruptedException e2) {
|
| 555 |
return;
|
| 556 |
} |
| 557 |
d.dispose(); |
| 558 |
|
| 559 |
lastTransparency.setAlphaBand(null);
|
| 560 |
|
| 561 |
AffineTransform at = new AffineTransform(); |
| 562 |
at.scale(1/scaleW, 1/scaleH); |
| 563 |
|
| 564 |
try {
|
| 565 |
Point2D pt = new Point2D.Double(e.getULX(), e.getULY()); |
| 566 |
((DefaultViewPortData)lastViewPortData).mat.transform(pt, pt); |
| 567 |
at.inverseTransform(pt, pt); |
| 568 |
|
| 569 |
lastGraphics.transform(at); |
| 570 |
lastGraphics.drawImage(geoImage, (int) Math.round(pt.getX()), (int) Math.round(pt.getY()), null); |
| 571 |
lastGraphics.transform(at.createInverse()); |
| 572 |
|
| 573 |
} catch (NoninvertibleTransformException e1) { |
| 574 |
e1.printStackTrace(); |
| 575 |
} |
| 576 |
} else {
|
| 577 |
try {
|
| 578 |
drawBufferOnImage(lastGraphics, lastViewPortData, buf, step, transf, e); |
| 579 |
} catch (QueryException e1) {
|
| 580 |
LoggerFactory.getLogger(getClass()).debug("Error loading data", e1);
|
| 581 |
} catch (ProcessInterruptedException e1) {
|
| 582 |
} |
| 583 |
} |
| 584 |
|
| 585 |
if(!crash) { //Las im?genes de crash no se liberan ya que est?n en un hashmap global |
| 586 |
if(buf != null) |
| 587 |
buf.dispose(); |
| 588 |
if(transparencyBuffer != null) |
| 589 |
transparencyBuffer.dispose(); |
| 590 |
} |
| 591 |
} |
| 592 |
|
| 593 |
/**
|
| 594 |
* Applies filters and transparency on the buffer and returns the grid with the modified buffer.
|
| 595 |
* @param buf
|
| 596 |
* @param transparency
|
| 597 |
* @throws ProcessInterruptedException
|
| 598 |
*/
|
| 599 |
private Grid bufferPreprocessing(Buffer buf, Transparency transparency) throws ProcessInterruptedException { |
| 600 |
if (dataStore != null) { |
| 601 |
//Asignamos los datos al objeto transparencia antes de aplicar la pila de filtros para que el valor NoData sea efectivo
|
| 602 |
if (dataStore.getTransparency().getNoData().isNoDataTransparent() || transparency.existAlphaBand())
|
| 603 |
transparency.setDataBuffer(buf); |
| 604 |
else {
|
| 605 |
transparency.setDataBuffer(null);
|
| 606 |
} |
| 607 |
transparency.activeTransparency(); |
| 608 |
} else
|
| 609 |
return null; |
| 610 |
|
| 611 |
//Aplicamos los filtros
|
| 612 |
grid = new GridImpl(buf, dataStore, true); |
| 613 |
if(filterList != null) { |
| 614 |
filterList.addEnvParam("Transparency", transparency);
|
| 615 |
grid.setFilterList(filterList); |
| 616 |
grid.applyFilters(); |
| 617 |
} |
| 618 |
|
| 619 |
//Si la lista de filtros genera bandas de transparencia se mezclan con la actual
|
| 620 |
if(grid.getFilterList().getAlphaBand() != null) { |
| 621 |
Buffer t = grid.getFilterList().getAlphaBand();
|
| 622 |
if(transparency.getAlphaBand() != null) |
| 623 |
t = getRasterManager().getColorConversion().mergeTransparencyBuffers(t, transparency.getAlphaBand()); |
| 624 |
transparency.setAlphaBand(t); |
| 625 |
transparency.activeTransparency(); |
| 626 |
} |
| 627 |
|
| 628 |
return grid;
|
| 629 |
} |
| 630 |
|
| 631 |
/**
|
| 632 |
* When tiles are renderized the color table in each tile could be diferent.
|
| 633 |
* In this case the color table must be replaced
|
| 634 |
*/
|
| 635 |
//@deprecated one color table by tiled layer
|
| 636 |
private void addTileColorTable(ColorTable tileColorTable) { |
| 637 |
if(tileColorTable == null) |
| 638 |
return;
|
| 639 |
else {
|
| 640 |
if(filterList.getFilterClassByID("ColorTable") == null) { |
| 641 |
try {
|
| 642 |
RasterFilterListManager colorTableManager = filterList.getManagerByID("ColorTable");
|
| 643 |
Params params = filterList.createEmptyFilterParams(); |
| 644 |
params.setParam("colorTable", tileColorTable);
|
| 645 |
colorTableManager.addFilter(params); |
| 646 |
} catch (FilterManagerException e) {
|
| 647 |
e.printStackTrace(); |
| 648 |
} catch (FilterTypeException e) {
|
| 649 |
e.printStackTrace(); |
| 650 |
} |
| 651 |
} |
| 652 |
} |
| 653 |
/*ColorTable colorTable = null;
|
| 654 |
if(tileColorTable == null)
|
| 655 |
colorTable = dataStore.getColorTable();
|
| 656 |
else
|
| 657 |
colorTable = tileColorTable;
|
| 658 |
if(colorTable != null) {
|
| 659 |
RasterFilterListManager colorTableManager;
|
| 660 |
try {
|
| 661 |
filterList.remove("enhanced_stretch");
|
| 662 |
colorTableManager = filterList.getManagerByID("ColorTable");
|
| 663 |
Params params = filterList.createEmptyFilterParams();
|
| 664 |
params.setParam("colorTable", colorTable);
|
| 665 |
colorTableManager.addFilter(params);
|
| 666 |
} catch (FilterManagerException e) {
|
| 667 |
e.printStackTrace();
|
| 668 |
} catch (FilterTypeException e) {
|
| 669 |
e.printStackTrace();
|
| 670 |
}
|
| 671 |
}*/
|
| 672 |
} |
| 673 |
|
| 674 |
/*
|
| 675 |
* (non-Javadoc)
|
| 676 |
* @see org.gvsig.raster.impl.grid.render.TileListener#endReading()
|
| 677 |
*/
|
| 678 |
public void endReading() { |
| 679 |
isDrawing = false;
|
| 680 |
} |
| 681 |
|
| 682 |
/*
|
| 683 |
* (non-Javadoc)
|
| 684 |
* @see org.gvsig.raster.impl.grid.render.TileListener#isReading()
|
| 685 |
*/
|
| 686 |
public boolean isReading() { |
| 687 |
return isDrawing;
|
| 688 |
} |
| 689 |
|
| 690 |
/*
|
| 691 |
* (non-Javadoc)
|
| 692 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setReading(boolean)
|
| 693 |
*/
|
| 694 |
public void setReading(boolean reading) { |
| 695 |
isDrawing = reading; |
| 696 |
} |
| 697 |
|
| 698 |
/**
|
| 699 |
* Calculamos la petici?n en coordenadas del mundo real con la transformaci?n del raster. Esto
|
| 700 |
* permite obtener las coordenadas de la petici?n con la rotaci?n, si la tiene.
|
| 701 |
* @param vp
|
| 702 |
* @param ldatastore
|
| 703 |
* @return
|
| 704 |
*/
|
| 705 |
private Extent request(ViewPortData vp, RasterDataStore ldatastore) {
|
| 706 |
if (ldatastore.isRotated()) {
|
| 707 |
//Obtenemos las cuatro esquinas de la selecci?n que hemos hecho en la vista
|
| 708 |
Point2D ul = new Point2D.Double(vp.getExtent().minX(), vp.getExtent().maxY()); |
| 709 |
Point2D ur = new Point2D.Double(vp.getExtent().maxX(), vp.getExtent().maxY()); |
| 710 |
Point2D ll = new Point2D.Double(vp.getExtent().minX(), vp.getExtent().minY()); |
| 711 |
Point2D lr = new Point2D.Double(vp.getExtent().maxX(), vp.getExtent().minY()); |
| 712 |
|
| 713 |
//Las pasamos a coordenadas pixel del raster
|
| 714 |
ul = ldatastore.worldToRaster(ul); |
| 715 |
ur = ldatastore.worldToRaster(ur); |
| 716 |
ll = ldatastore.worldToRaster(ll); |
| 717 |
lr = ldatastore.worldToRaster(lr); |
| 718 |
|
| 719 |
//Obtenemos los valores pixel m?ximos y m?nimos para X e Y
|
| 720 |
double pxMaxX = Math.max(Math.max(ul.getX(), ur.getX()), Math.max(ll.getX(), lr.getX())); |
| 721 |
double pxMaxY = Math.max(Math.max(ul.getY(), ur.getY()), Math.max(ll.getY(), lr.getY())); |
| 722 |
double pxMinX = Math.min(Math.min(ul.getX(), ur.getX()), Math.min(ll.getX(), lr.getX())); |
| 723 |
double pxMinY = Math.min(Math.min(ul.getY(), ur.getY()), Math.min(ll.getY(), lr.getY())); |
| 724 |
|
| 725 |
//Ajustamos las coordenadas pixel al ?rea m?xima del raster
|
| 726 |
pxMinX = Math.max(pxMinX, 0); |
| 727 |
pxMinY = Math.max(pxMinY, 0); |
| 728 |
pxMaxX = Math.min(pxMaxX, ldatastore.getWidth());
|
| 729 |
pxMaxY = Math.min(pxMaxY, ldatastore.getHeight());
|
| 730 |
|
| 731 |
//Petici?n en coordenadas pixel
|
| 732 |
ulPxRequest = new Point2D.Double(pxMinX, pxMinY); |
| 733 |
lrPxRequest = new Point2D.Double(pxMaxX, pxMaxY); |
| 734 |
|
| 735 |
//Calculamos el ancho y alto del buffer sobre el que se escribe la petici?n
|
| 736 |
widthImage = ((Math.abs(lrPxRequest.getX() - ulPxRequest.getX()) * vp
|
| 737 |
.getWidth()) / Math.abs(pxMaxX - pxMinX));
|
| 738 |
heightImage = ((Math.abs(lrPxRequest.getY() - ulPxRequest.getY()) * vp
|
| 739 |
.getHeight()) / Math.abs(pxMaxY - pxMinY));
|
| 740 |
|
| 741 |
//Convertimos la petici?n en coordenadas pixel a petici?n en coordenadas reales.
|
| 742 |
Point2D ulWC = ldatastore.rasterToWorld(ulPxRequest);
|
| 743 |
Point2D lrWC = ldatastore.rasterToWorld(lrPxRequest);
|
| 744 |
|
| 745 |
//Ajustamos la petici?n a los limites del raster, teniendo en cuenta la rotaci?n de este.
|
| 746 |
return new ExtentImpl(ulWC, lrWC); |
| 747 |
} |
| 748 |
Extent adjustedRotedExtent = util.calculateAdjustedView(vp.getExtent(), ldatastore.getAffineTransform(), ldatastore.getWidth(), ldatastore.getHeight()); |
| 749 |
widthImage = (int)Math.round(Math.abs(adjustedRotedExtent.width() * vp.getMat().getScaleX())); |
| 750 |
heightImage = (int)Math.round(Math.abs(adjustedRotedExtent.height() * vp.getMat().getScaleY())); |
| 751 |
Point2D ul = new Point2D.Double(adjustedRotedExtent.getULX(), adjustedRotedExtent.getULY()); |
| 752 |
Point2D lr = new Point2D.Double(adjustedRotedExtent.getLRX(), adjustedRotedExtent.getLRY()); |
| 753 |
ul = ldatastore.worldToRaster(ul); |
| 754 |
lr = ldatastore.worldToRaster(lr); |
| 755 |
ulPxRequest = new Point2D.Double(ul.getX(), ul.getY()); |
| 756 |
lrPxRequest = new Point2D.Double(lr.getX(), lr.getY()); |
| 757 |
return adjustedRotedExtent;
|
| 758 |
} |
| 759 |
|
| 760 |
/*
|
| 761 |
* (non-Javadoc)
|
| 762 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getRenderBands()
|
| 763 |
*/
|
| 764 |
public int[] getRenderBands() { |
| 765 |
return renderBands;
|
| 766 |
} |
| 767 |
|
| 768 |
/*
|
| 769 |
* (non-Javadoc)
|
| 770 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#isRenderingAsGray()
|
| 771 |
*/
|
| 772 |
public boolean isRenderingAsGray() { |
| 773 |
int[] renderBands = getRenderBands(); |
| 774 |
if ((renderBands != null) && (renderBands.length == 3) && (renderBands[0] >= 0) && |
| 775 |
(renderBands[0] == renderBands[1]) && (renderBands[1] == renderBands[2])) |
| 776 |
return true; |
| 777 |
return false; |
| 778 |
} |
| 779 |
|
| 780 |
/**
|
| 781 |
* Asigna el n?mero de bandas y el orden de renderizado. Cada posici?n del vector es una banda
|
| 782 |
* del buffer y el contenido de esa posici?n es la banda de la imagen que se dibujar?
|
| 783 |
* sobre ese buffer. A la hora de renderizar hay que tener en cuenta que solo se renderizan las
|
| 784 |
* tres primeras bandas del buffer por lo que solo se tienen en cuenta los tres primeros
|
| 785 |
* elementos. Por ejemplo, el array {1, 0, 3} dibujar? sobre el Graphics las bandas 1,0 y 3 de un
|
| 786 |
* raster que tiene al menos 4 bandas. La notaci?n con -1 en alguna posici?n del vector solo tiene sentido
|
| 787 |
* en la visualizaci?n pero no se puede as?gnar una banda del buffer a null.
|
| 788 |
* Algunos ejemplos:
|
| 789 |
* <P>
|
| 790 |
* {-1, 0, -1} Dibuja la banda 0 del raster en la G de la visualizaci?n.
|
| 791 |
* Si replicateBand es true R = G = B sino R = B = 0
|
| 792 |
* {1, 0, 3} La R = banda 1 del raster, G = 0 y B = 3
|
| 793 |
* {0} La R = banda 0 del raster. Si replicateBand es true R = G = B sino G = B = 0
|
| 794 |
* </P>
|
| 795 |
*
|
| 796 |
*
|
| 797 |
* @param renderBands: bandas y su posici?n
|
| 798 |
*/
|
| 799 |
public void setRenderBands(int[] renderBands) { |
| 800 |
if( renderBands[0] != this.renderBands[0] || |
| 801 |
renderBands[1] != this.renderBands[1] || |
| 802 |
renderBands[2] != this.renderBands[2]) |
| 803 |
callVisualPropertyChanged(renderBands); |
| 804 |
this.renderBands = renderBands;
|
| 805 |
if (filterList != null) |
| 806 |
for (int i = 0; i < filterList.lenght(); i++) |
| 807 |
(filterList.get(i)).addParam("renderBands", renderBands);
|
| 808 |
} |
| 809 |
|
| 810 |
/**
|
| 811 |
* Dado que la notaci?n de bandas para renderizado admite posiciones con -1 y la notaci?n del
|
| 812 |
* buffer no ya que no tendria sentido. Esta funci?n adapta la primera notaci?n a la segunda
|
| 813 |
* para realizar la petici?n setAreaOfInterest y cargar el buffer.
|
| 814 |
* @param b Array que indica la posici?n de bandas para el renderizado
|
| 815 |
* @return Array que indica la posici?n de bandas para la petici?n
|
| 816 |
*/
|
| 817 |
public int[] formatArrayRenderBand(int[] b) { |
| 818 |
int cont = 0; |
| 819 |
for(int i = 0; i < b.length; i++) |
| 820 |
if(b[i] >= 0) |
| 821 |
cont ++; |
| 822 |
if(cont <= 0) |
| 823 |
return null; |
| 824 |
int[] out = new int[cont]; |
| 825 |
int pos = 0; |
| 826 |
for(int i = 0; i < cont; i++) { |
| 827 |
while(b[pos] == -1) |
| 828 |
pos ++; |
| 829 |
out[i] = b[pos]; |
| 830 |
pos ++; |
| 831 |
} |
| 832 |
return out;
|
| 833 |
} |
| 834 |
|
| 835 |
public Transparency getLastTransparency() { |
| 836 |
//If the transparency hasn't been defined yet then we'll take that from the store
|
| 837 |
if (lastTransparency == null) { |
| 838 |
lastTransparency = dataStore.getTransparency().cloneTransparency(); |
| 839 |
lastTransparency.addPropertyListener(this);
|
| 840 |
} |
| 841 |
return lastTransparency;
|
| 842 |
} |
| 843 |
|
| 844 |
/*
|
| 845 |
* (non-Javadoc)
|
| 846 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getLastAlphaBandNumber()
|
| 847 |
*/
|
| 848 |
public int getLastAlphaBandNumber() { |
| 849 |
return lastAlphaBand;
|
| 850 |
} |
| 851 |
|
| 852 |
/*
|
| 853 |
* (non-Javadoc)
|
| 854 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setLastTransparency(org.gvsig.fmap.dal.coverage.store.props.Transparency)
|
| 855 |
*/
|
| 856 |
public void setLastTransparency(Transparency lastTransparency) { |
| 857 |
this.lastTransparency = lastTransparency;
|
| 858 |
if(this.lastTransparency != null) |
| 859 |
this.lastTransparency.addPropertyListener(this); |
| 860 |
} |
| 861 |
|
| 862 |
/*
|
| 863 |
* (non-Javadoc)
|
| 864 |
* @see org.gvsig.fmap.dal.coverage.grid.Render#getFilterList()
|
| 865 |
*/
|
| 866 |
public RasterFilterList getFilterList() {
|
| 867 |
return filterList;
|
| 868 |
} |
| 869 |
|
| 870 |
/*
|
| 871 |
* (non-Javadoc)
|
| 872 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setFilterList(org.gvsig.fmap.dal.coverage.grid.RasterFilterList)
|
| 873 |
*/
|
| 874 |
public void setFilterList(RasterFilterList filterList) { |
| 875 |
this.filterList = filterList;
|
| 876 |
this.filterList.addFilterListListener(this); |
| 877 |
} |
| 878 |
|
| 879 |
/*
|
| 880 |
* (non-Javadoc)
|
| 881 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#existColorTable()
|
| 882 |
*/
|
| 883 |
public boolean existColorTable() { |
| 884 |
return (filterList.getFilterByBaseClass(ColorTableFilter.class) != null); |
| 885 |
} |
| 886 |
|
| 887 |
/*
|
| 888 |
* (non-Javadoc)
|
| 889 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getColorTable()
|
| 890 |
*/
|
| 891 |
public ColorTable getColorTable() {
|
| 892 |
if(existColorTable()) {
|
| 893 |
RasterFilter f = filterList.getFilterByBaseClass(ColorTableFilter.class); |
| 894 |
return ((ColorTableFilter)f).getColorTable();
|
| 895 |
} |
| 896 |
return null; |
| 897 |
} |
| 898 |
|
| 899 |
/**
|
| 900 |
* Obtiene el grid asociado al render
|
| 901 |
* @return
|
| 902 |
*/
|
| 903 |
public Grid getGrid() {
|
| 904 |
return grid;
|
| 905 |
} |
| 906 |
|
| 907 |
/**
|
| 908 |
* Asigna la factoria de buffer del renderizador
|
| 909 |
* @param bf
|
| 910 |
*/
|
| 911 |
public void setDataSource(RasterDataStore ds) { |
| 912 |
this.dataStore = ds;
|
| 913 |
} |
| 914 |
|
| 915 |
/**
|
| 916 |
* Evento activado cuando cambia una propiedad de transparencia.
|
| 917 |
*/
|
| 918 |
public void actionValueChanged(PropertyEvent e) { |
| 919 |
callVisualPropertyChanged(new VisualPropertyEvent(e.getSource()));
|
| 920 |
} |
| 921 |
|
| 922 |
/**
|
| 923 |
* Evento activado cuando cambia la lista de filtros.
|
| 924 |
*/
|
| 925 |
public void filterListChanged(FilterListChangeEvent e) { |
| 926 |
callVisualPropertyChanged(new VisualPropertyEvent(e.getSource()));
|
| 927 |
} |
| 928 |
|
| 929 |
/*
|
| 930 |
* (non-Javadoc)
|
| 931 |
* @see org.gvsig.tools.persistence.Persistent#loadFromState(org.gvsig.tools.persistence.PersistentState)
|
| 932 |
*/
|
| 933 |
public void loadFromState(PersistentState state) |
| 934 |
throws PersistenceException {
|
| 935 |
lastTransparency = (Transparency)state.get("lastTransparency"); |
| 936 |
renderBands = (int[])state.getIntArray("renderBands"); |
| 937 |
//setFilterList((RasterFilterList)state.get("filterList"));
|
| 938 |
} |
| 939 |
|
| 940 |
/*
|
| 941 |
* (non-Javadoc)
|
| 942 |
* @see org.gvsig.tools.persistence.Persistent#saveToState(org.gvsig.tools.persistence.PersistentState)
|
| 943 |
*/
|
| 944 |
public void saveToState(PersistentState state) throws PersistenceException { |
| 945 |
state.set("lastTransparency", lastTransparency);
|
| 946 |
state.set("renderBands", renderBands);
|
| 947 |
//state.set("filterList", filterList);
|
| 948 |
} |
| 949 |
|
| 950 |
public static void registerPersistence() { |
| 951 |
PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
| 952 |
DynStruct definition = manager.addDefinition( |
| 953 |
DefaultRender.class, |
| 954 |
"RasterRendering",
|
| 955 |
"RasterRendering Persistent definition",
|
| 956 |
null,
|
| 957 |
null
|
| 958 |
); |
| 959 |
definition.addDynFieldObject("lastTransparency").setClassOfValue(Transparency.class).setMandatory(false); |
| 960 |
definition.addDynFieldList("renderBands").setClassOfItems(int.class).setMandatory(false); |
| 961 |
//definition.addDynFieldObject("filterList").setClassOfValue(RasterFilterList.class).setMandatory(false);
|
| 962 |
} |
| 963 |
|
| 964 |
/**
|
| 965 |
* Sets buffers to null
|
| 966 |
*/
|
| 967 |
public void dispose() { |
| 968 |
if (lastTransparency != null) |
| 969 |
lastTransparency.dispose(); |
| 970 |
if (grid != null) |
| 971 |
grid.dispose(); |
| 972 |
if (getFilterList() != null) |
| 973 |
getFilterList().dispose(); |
| 974 |
try {
|
| 975 |
finalize(); |
| 976 |
} catch (Throwable e) { |
| 977 |
} |
| 978 |
} |
| 979 |
|
| 980 |
/*
|
| 981 |
* (non-Javadoc)
|
| 982 |
* @see java.lang.Object#finalize()
|
| 983 |
*/
|
| 984 |
protected void finalize() throws Throwable { |
| 985 |
grid = null;
|
| 986 |
dataStore = null;
|
| 987 |
renderBands = null;
|
| 988 |
drawer = null;
|
| 989 |
lastTransparency = null;
|
| 990 |
filterList = null;
|
| 991 |
ulPxRequest = null;
|
| 992 |
lrPxRequest = null;
|
| 993 |
lastGraphics = null;
|
| 994 |
lastViewPortData = null;
|
| 995 |
viewDimension = null;
|
| 996 |
|
| 997 |
if(visualPropertyListener != null) { |
| 998 |
visualPropertyListener.clear(); |
| 999 |
visualPropertyListener = null;
|
| 1000 |
} |
| 1001 |
super.finalize();
|
| 1002 |
} |
| 1003 |
|
| 1004 |
} |