gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.lib / org.gvsig.raster.lib.impl / src / main / java / org / gvsig / raster / impl / grid / render / DefaultRender.java @ 1057
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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.gvsig.fmap.dal.coverage.RasterLocator; |
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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.InvalidSetViewException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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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.DefaultRasterManager; |
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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.Cancellable; |
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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 ImageDrawer 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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private Buffer lastRenderBuffer = 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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//Cancelaci?n temporal hasta que est? disponible TaskStatus
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private Cancellable cancel = 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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/*
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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.getDataType() == null) |
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return;
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drawer = new ImageDrawer(this); |
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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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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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* 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 (RasterDriverException e) {
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LoggerFactory.getLogger(getClass()).debug("Error reading data", e);
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} catch (InvalidSetViewException e) {
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LoggerFactory.getLogger(getClass()).debug("Invalid view", e);
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} catch (ProcessInterruptedException e) {
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} |
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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#setGraphicInfo(java.awt.Graphics2D, org.gvsig.fmap.dal.coverage.datastruct.ViewPortData)
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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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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.grid.render.Render#drawThread(java.awt.Graphics2D, org.gvsig.fmap.dal.coverage.datastruct.ViewPortData)
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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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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.grid.render.Render#draw(java.awt.Graphics2D, org.cresques.geo.ViewPortData)
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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 RasterDriverException, InvalidSetViewException, 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 (lastTransparency == null) { |
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lastTransparency = dataStore.getTransparency().cloneTransparency(); |
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lastTransparency.addPropertyListener(this);
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lastTransparency.setTransparencyBand(dataStore.getTransparency().getAlphaBandNumber()); |
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} |
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lastAlphaBand = lastTransparency.getAlphaBandNumber(); |
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// Asignamos la banda de transparencia si existe esta
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RasterQuery query = DefaultRasterManager.getInstance().createQuery(); |
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query.setTaskStatus(taskStatus); |
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query.setTime(vp.getTime()); |
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query.setSupersamplingLoadingBuffer(false); // Desactivamos el supersampleo en la carga del buffer. |
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query.setDrawableBands(getRenderBands()); |
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query.setFrameWidth(0);
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query.setAlphaBand(lastTransparency.getAlphaBandNumber()); |
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query.setCancel(cancel); |
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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.setSupersamplingLoadingBuffer(true);
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} else
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return;
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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#draw(java.awt.Graphics2D, org.cresques.geo.ViewPortData)
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*/
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public synchronized void draw(Graphics2D g, ViewPortData vp, TaskStatus taskStatus) |
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throws RasterDriverException, InvalidSetViewException, 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;
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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;
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} |
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if (dataStore == null) |
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return;
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//If the transparency hasn't been defined yet then we'll take that from the store
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if (lastTransparency == null) { |
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lastTransparency = dataStore.getTransparency().cloneTransparency(); |
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lastTransparency.addPropertyListener(this);
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} |
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// Asignamos la banda de transparencia si existe esta
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RasterQuery query = DefaultRasterManager.getInstance().createQuery(); |
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query.setTaskStatus(taskStatus); |
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query.setTime(vp.getTime()); |
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query.setSupersamplingLoadingBuffer(false); // Desactivamos el supersampleo en la carga del buffer. |
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query.setAreaOfInterest(adjustedRotedRequest, (int)Math.round(widthImage), (int)Math.round(heightImage)); |
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if (lastTransparency.getAlphaBandNumber() != -1) { |
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query.setDrawableBands(new int[] { lastTransparency.getAlphaBandNumber()}); |
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lastTransparency.setAlphaBand(dataStore.query(query)); |
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} |
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lastAlphaBand = lastTransparency.getAlphaBandNumber(); |
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|
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//query.setAreaOfInterest(adjustedRotedRequest.getULX(), adjustedRotedRequest.getULY(), adjustedRotedRequest.getLRX(), adjustedRotedRequest.getLRY(), (int)Math.round(widthImage), (int)Math.round(heightImage), this, 0);
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query.setDrawableBands(getRenderBands()); |
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Buffer buf = dataStore.query(query);
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query.setSupersamplingLoadingBuffer(true);
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double[] step = dataStore.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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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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|
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.grid.render.Render#draw(java.awt.Graphics2D, org.cresques.geo.ViewPortData)
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*/
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private synchronized void drawBufferOnImage(Graphics2D g, ViewPortData vp, Buffer buf, double[] step, AffineTransform transf, Extent adjustedRotedRequest) |
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throws RasterDriverException, InvalidSetViewException, ProcessInterruptedException {
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grid = bufferPreprocessing(buf, lastTransparency); |
415 |
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if(lastRenderBuffer != null) |
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lastRenderBuffer.dispose(); |
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//Buffer filtrado para renderizar
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lastRenderBuffer = grid.getRasterBuf(); |
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drawer.setBuffer(lastRenderBuffer); // Buffer de datos a renderizar
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drawer.setStep(step); // Desplazamiento para supersampleo
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drawer.setBufferSize((int)Math.round(widthImage), (int)Math.round(heightImage)); // Ancho y alto del buffer |
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Image geoImage = drawer.drawBufferOverImageObject(); // Acci?n de renderizado |
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// Borramos el buffer de transparencia para que siempre se tenga que regenerar.
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lastTransparency.setAlphaBand(null);
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|
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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
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//forma el raster resultante mejora un poco en calidad en ciertos niveles de zoom ya que al aplicar transformaciones
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//sobre el Graphics parece que pierde algo de calidad.
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if(transf.getScaleX() > 0 && transf.getScaleY() < 0 && transf.getShearX() == 0 && transf.getShearY() == 0) { |
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Point2D lastGraphicOffset = new Point2D.Double(adjustedRotedRequest.getULX(), adjustedRotedRequest.getULY()); |
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((DefaultViewPortData)vp).mat.transform(lastGraphicOffset, lastGraphicOffset); |
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g.drawImage(geoImage, (int) Math.round(lastGraphicOffset.getX()), (int) Math.round(lastGraphicOffset.getY()), null); |
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return;
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} |
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|
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/*
|
440 |
* Tenemos una matriz con la transformaci?n de la coordenadas de la vista a coordenadas reales vp.mat, adem?s tenemos
|
441 |
* la transformaci?n de coordenadas reales a coordenadas pixel (transf). Con ambas podemos obtener una matriz de trasformacion
|
442 |
* entre coordenadas de la vista a coordenadas pixel (transf X vp.mat). As? obtenemos la transformaci?n entre coordenadas
|
443 |
* de la vista y coordenadas pixel del raster. El problema es que a cada zoom la escala de la petici?n del raster varia
|
444 |
* por lo que habr? que calcular una matriz con la escala (escale). escale X transf X vp.mat
|
445 |
*/
|
446 |
double sX = Math.abs(ulPxRequest.getX() - lrPxRequest.getX()) / widthImage; |
447 |
double sY = Math.abs(ulPxRequest.getY() - lrPxRequest.getY()) / heightImage; |
448 |
AffineTransform scale = new AffineTransform(sX, 0, 0, sY, 0, 0); |
449 |
|
450 |
try {
|
451 |
AffineTransform at = (AffineTransform)scale.clone(); |
452 |
at.preConcatenate(transf); |
453 |
at.preConcatenate(vp.getMat()); |
454 |
g.transform(at); |
455 |
Point2D.Double pt = null; |
456 |
//El punto sobre el que rota la imagen depende del signo de los tama?os del pixel
|
457 |
if(transf.getScaleX() < 0 && transf.getScaleY() < 0) |
458 |
pt = new Point2D.Double(adjustedRotedRequest.maxX(), adjustedRotedRequest.maxY()); |
459 |
else if(transf.getScaleX() > 0 && transf.getScaleY() > 0) |
460 |
pt = new Point2D.Double(adjustedRotedRequest.minX(), adjustedRotedRequest.minY()); |
461 |
else if(transf.getScaleX() < 0 && transf.getScaleY() > 0) |
462 |
pt = new Point2D.Double(adjustedRotedRequest.maxX(), adjustedRotedRequest.minY()); |
463 |
else
|
464 |
pt = new Point2D.Double(adjustedRotedRequest.getULX(), adjustedRotedRequest.getULY()); |
465 |
vp.getMat().transform(pt, pt); |
466 |
at.inverseTransform(pt, pt); |
467 |
g.drawImage(geoImage, (int) Math.round(pt.getX()), (int) Math.round(pt.getY()), null); |
468 |
g.transform(at.createInverse()); |
469 |
} catch (NoninvertibleTransformException e) { |
470 |
LoggerFactory.getLogger(getClass()).debug("Transformation error", e);
|
471 |
} |
472 |
|
473 |
if(buf != null) |
474 |
buf.dispose(); |
475 |
|
476 |
return;
|
477 |
// long t2 = new Date().getTime();
|
478 |
// System.out.println("Renderizando Raster: " + ((t2 - t1) / 1000D) + ", secs.");
|
479 |
} |
480 |
|
481 |
/*
|
482 |
* (non-Javadoc)
|
483 |
* @see org.gvsig.raster.cache.tile.provider.TileListener#tileReady(org.gvsig.raster.cache.tile.Tile)
|
484 |
*/
|
485 |
public synchronized void tileReady(Tile loadedTile) throws TileGettingException { |
486 |
boolean crash = false; |
487 |
Boolean tiling = (Boolean)loadedTile.getDownloaderParams("Tiling"); |
488 |
double[] step = (double[])loadedTile.getDownloaderParams("Step"); |
489 |
AffineTransform transf = (AffineTransform)loadedTile.getDownloaderParams("AffineTransform"); |
490 |
|
491 |
Extent e = RasterLocator.getManager().getDataStructFactory(). |
492 |
createExtent(loadedTile.getUl().getX(), |
493 |
loadedTile.getUl().getY(), |
494 |
loadedTile.getLr().getX(), |
495 |
loadedTile.getLr().getY()); |
496 |
|
497 |
Buffer buf = (loadedTile.getData() != null && loadedTile.getData().length > 0) ? (Buffer)loadedTile.getData()[0] : null; |
498 |
Buffer transparencyBuffer = (loadedTile.getData() != null && loadedTile.getData().length > 1) |
499 |
? (Buffer)loadedTile.getData()[1] : null; |
500 |
|
501 |
if(!loadedTile.dataIsLoaded()) {
|
502 |
if(loadedTile.getCrashImage() == null) |
503 |
return;
|
504 |
crash = true;
|
505 |
buf = (Buffer)loadedTile.getCrashImage()[0]; |
506 |
transparencyBuffer = (Buffer)loadedTile.getCrashImage()[1]; |
507 |
transparencyBuffer.setDataExtent(e.toRectangle2D()); |
508 |
} else {
|
509 |
if(buf == null) |
510 |
return;
|
511 |
ColorTable tileColorTable = (loadedTile.getData() != null && loadedTile.getData().length > 2) ? (ColorTable)loadedTile.getData()[2] : null; |
512 |
if(tiling == null || tiling.booleanValue()) { |
513 |
if(filterList != null) |
514 |
addTileColorTable(tileColorTable); |
515 |
} |
516 |
} |
517 |
|
518 |
if(tiling == null || tiling.booleanValue()) { |
519 |
lastTransparency.setAlphaBand(transparencyBuffer); |
520 |
Grid grid = null;
|
521 |
try {
|
522 |
grid = bufferPreprocessing(buf, lastTransparency); |
523 |
} catch (ProcessInterruptedException e3) {
|
524 |
return;
|
525 |
} |
526 |
buf = grid.getRasterBuf(); |
527 |
} |
528 |
|
529 |
if(tiling == null || tiling.booleanValue()) { |
530 |
//Reescalado de los tiles. El tama?o en pixels de un tile no tiene pq coincidir con el de la vista.
|
531 |
double w = lastViewPortData.getWidth();
|
532 |
double h = lastViewPortData.getHeight();
|
533 |
if(viewDimension != null) { |
534 |
w = viewDimension.getWidth(); |
535 |
h = viewDimension.getHeight(); |
536 |
} |
537 |
double viewScaleW = lastViewPortData.getExtent().width() / w;
|
538 |
double tileScaleW = e.width() / (double)buf.getWidth(); |
539 |
double scaleW = viewScaleW / tileScaleW;
|
540 |
double viewScaleH = lastViewPortData.getExtent().height() / h;
|
541 |
double tileScaleH = e.height() / (double)buf.getHeight(); |
542 |
double scaleH = viewScaleH / tileScaleH;
|
543 |
|
544 |
ImageDrawer d = new ImageDrawer(this); |
545 |
d.setBuffer(buf); |
546 |
d.setStep(null);
|
547 |
d.setBufferSize(buf.getWidth(), buf.getHeight()); |
548 |
Image geoImage;
|
549 |
try {
|
550 |
geoImage = d.drawBufferOverImageObject(); |
551 |
} catch (ProcessInterruptedException e2) {
|
552 |
return;
|
553 |
} |
554 |
|
555 |
lastTransparency.setAlphaBand(null);
|
556 |
|
557 |
AffineTransform at = new AffineTransform(); |
558 |
at.scale(1/scaleW, 1/scaleH); |
559 |
|
560 |
try {
|
561 |
Point2D pt = new Point2D.Double(e.getULX(), e.getULY()); |
562 |
((DefaultViewPortData)lastViewPortData).mat.transform(pt, pt); |
563 |
at.inverseTransform(pt, pt); |
564 |
|
565 |
lastGraphics.transform(at); |
566 |
lastGraphics.drawImage(geoImage, (int) Math.round(pt.getX()), (int) Math.round(pt.getY()), null); |
567 |
lastGraphics.transform(at.createInverse()); |
568 |
|
569 |
} catch (NoninvertibleTransformException e1) { |
570 |
e1.printStackTrace(); |
571 |
} |
572 |
} else {
|
573 |
try {
|
574 |
drawBufferOnImage(lastGraphics, lastViewPortData, buf, step, transf, e); |
575 |
} catch (RasterDriverException e1) {
|
576 |
LoggerFactory.getLogger(getClass()).debug("Error loading data", e1);
|
577 |
} catch (InvalidSetViewException e1) {
|
578 |
LoggerFactory.getLogger(getClass()).debug("Invalid view", e1);
|
579 |
} catch (ProcessInterruptedException e1) {
|
580 |
} |
581 |
} |
582 |
|
583 |
if(!crash) { //Las im?genes de crash no se liberan ya que est?n en un hashmap global |
584 |
if(buf != null) |
585 |
buf.dispose(); |
586 |
if(transparencyBuffer != null) |
587 |
transparencyBuffer.dispose(); |
588 |
} |
589 |
} |
590 |
|
591 |
/**
|
592 |
* Applies filters and transparency on the buffer and returns the grid with the modified buffer.
|
593 |
* @param buf
|
594 |
* @param transparency
|
595 |
* @throws ProcessInterruptedException
|
596 |
*/
|
597 |
private Grid bufferPreprocessing(Buffer buf, Transparency transparency) throws ProcessInterruptedException { |
598 |
if (dataStore != null) { |
599 |
//Asignamos los datos al objeto transparencia antes de aplicar la pila de filtros para que el valor NoData sea efectivo
|
600 |
if (dataStore.getTransparency().getNoData().isNoDataTransparent() || transparency.existAlphaBand())
|
601 |
transparency.setDataBuffer(buf); |
602 |
else {
|
603 |
transparency.setDataBuffer(null);
|
604 |
} |
605 |
transparency.activeTransparency(); |
606 |
} else
|
607 |
return null; |
608 |
|
609 |
//Aplicamos los filtros
|
610 |
grid = new GridImpl(buf, dataStore, true); |
611 |
if(filterList != null) { |
612 |
filterList.addEnvParam("Transparency", transparency);
|
613 |
grid.setFilterList(filterList); |
614 |
grid.applyFilters(); |
615 |
} |
616 |
|
617 |
//Si la lista de filtros genera bandas de transparencia se mezclan con la actual
|
618 |
if(grid.getFilterList().getAlphaBand() != null) { |
619 |
Buffer t = grid.getFilterList().getAlphaBand();
|
620 |
if(transparency.getAlphaBand() != null) |
621 |
t = RasterLocator.getManager().getColorConversion().mergeTransparencyBuffers(t, transparency.getAlphaBand()); |
622 |
transparency.setAlphaBand(t); |
623 |
transparency.activeTransparency(); |
624 |
} |
625 |
|
626 |
return grid;
|
627 |
} |
628 |
|
629 |
/**
|
630 |
* When tiles are renderized the color table in each tile could be diferent.
|
631 |
* In this case the color table must be replaced
|
632 |
*/
|
633 |
//@deprecated one color table by tiled layer
|
634 |
private void addTileColorTable(ColorTable tileColorTable) { |
635 |
if(tileColorTable == null) |
636 |
return;
|
637 |
else {
|
638 |
if(filterList.getFilterClassByID("ColorTable") == null) { |
639 |
try {
|
640 |
RasterFilterListManager colorTableManager = filterList.getManagerByID("ColorTable");
|
641 |
Params params = filterList.createEmptyFilterParams(); |
642 |
params.setParam("colorTable", tileColorTable);
|
643 |
colorTableManager.addFilter(params); |
644 |
} catch (FilterManagerException e) {
|
645 |
e.printStackTrace(); |
646 |
} catch (FilterTypeException e) {
|
647 |
e.printStackTrace(); |
648 |
} |
649 |
} |
650 |
} |
651 |
/*ColorTable colorTable = null;
|
652 |
if(tileColorTable == null)
|
653 |
colorTable = dataStore.getColorTable();
|
654 |
else
|
655 |
colorTable = tileColorTable;
|
656 |
if(colorTable != null) {
|
657 |
RasterFilterListManager colorTableManager;
|
658 |
try {
|
659 |
filterList.remove("enhanced_stretch");
|
660 |
colorTableManager = filterList.getManagerByID("ColorTable");
|
661 |
Params params = filterList.createEmptyFilterParams();
|
662 |
params.setParam("colorTable", colorTable);
|
663 |
colorTableManager.addFilter(params);
|
664 |
} catch (FilterManagerException e) {
|
665 |
e.printStackTrace();
|
666 |
} catch (FilterTypeException e) {
|
667 |
e.printStackTrace();
|
668 |
}
|
669 |
}*/
|
670 |
} |
671 |
|
672 |
/*
|
673 |
* (non-Javadoc)
|
674 |
* @see org.gvsig.raster.impl.grid.render.TileListener#endReading()
|
675 |
*/
|
676 |
public void endReading() { |
677 |
isDrawing = false;
|
678 |
} |
679 |
|
680 |
/*
|
681 |
* (non-Javadoc)
|
682 |
* @see org.gvsig.raster.impl.grid.render.TileListener#isReading()
|
683 |
*/
|
684 |
public boolean isReading() { |
685 |
return isDrawing;
|
686 |
} |
687 |
|
688 |
/*
|
689 |
* (non-Javadoc)
|
690 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setReading(boolean)
|
691 |
*/
|
692 |
public void setReading(boolean reading) { |
693 |
isDrawing = reading; |
694 |
} |
695 |
|
696 |
/**
|
697 |
* Calculamos la petici?n en coordenadas del mundo real con la transformaci?n del raster. Esto
|
698 |
* permite obtener las coordenadas de la petici?n con la rotaci?n, si la tiene.
|
699 |
* @param vp
|
700 |
* @param ldatastore
|
701 |
* @return
|
702 |
*/
|
703 |
private Extent request(ViewPortData vp, RasterDataStore ldatastore) {
|
704 |
if (ldatastore.isRotated()) {
|
705 |
//Obtenemos las cuatro esquinas de la selecci?n que hemos hecho en la vista
|
706 |
Point2D ul = new Point2D.Double(vp.getExtent().minX(), vp.getExtent().maxY()); |
707 |
Point2D ur = new Point2D.Double(vp.getExtent().maxX(), vp.getExtent().maxY()); |
708 |
Point2D ll = new Point2D.Double(vp.getExtent().minX(), vp.getExtent().minY()); |
709 |
Point2D lr = new Point2D.Double(vp.getExtent().maxX(), vp.getExtent().minY()); |
710 |
|
711 |
//Las pasamos a coordenadas pixel del raster
|
712 |
ul = ldatastore.worldToRaster(ul); |
713 |
ur = ldatastore.worldToRaster(ur); |
714 |
ll = ldatastore.worldToRaster(ll); |
715 |
lr = ldatastore.worldToRaster(lr); |
716 |
|
717 |
//Obtenemos los valores pixel m?ximos y m?nimos para X e Y
|
718 |
double pxMaxX = Math.max(Math.max(ul.getX(), ur.getX()), Math.max(ll.getX(), lr.getX())); |
719 |
double pxMaxY = Math.max(Math.max(ul.getY(), ur.getY()), Math.max(ll.getY(), lr.getY())); |
720 |
double pxMinX = Math.min(Math.min(ul.getX(), ur.getX()), Math.min(ll.getX(), lr.getX())); |
721 |
double pxMinY = Math.min(Math.min(ul.getY(), ur.getY()), Math.min(ll.getY(), lr.getY())); |
722 |
|
723 |
//Ajustamos las coordenadas pixel al ?rea m?xima del raster
|
724 |
pxMinX = Math.max(pxMinX, 0); |
725 |
pxMinY = Math.max(pxMinY, 0); |
726 |
pxMaxX = Math.min(pxMaxX, ldatastore.getWidth());
|
727 |
pxMaxY = Math.min(pxMaxY, ldatastore.getHeight());
|
728 |
|
729 |
//Petici?n en coordenadas pixel
|
730 |
ulPxRequest = new Point2D.Double(pxMinX, pxMinY); |
731 |
lrPxRequest = new Point2D.Double(pxMaxX, pxMaxY); |
732 |
|
733 |
//Calculamos el ancho y alto del buffer sobre el que se escribe la petici?n
|
734 |
widthImage = ((Math.abs(lrPxRequest.getX() - ulPxRequest.getX()) * vp
|
735 |
.getWidth()) / Math.abs(pxMaxX - pxMinX));
|
736 |
heightImage = ((Math.abs(lrPxRequest.getY() - ulPxRequest.getY()) * vp
|
737 |
.getHeight()) / Math.abs(pxMaxY - pxMinY));
|
738 |
|
739 |
//Convertimos la petici?n en coordenadas pixel a petici?n en coordenadas reales.
|
740 |
Point2D ulWC = ldatastore.rasterToWorld(ulPxRequest);
|
741 |
Point2D lrWC = ldatastore.rasterToWorld(lrPxRequest);
|
742 |
|
743 |
//Ajustamos la petici?n a los limites del raster, teniendo en cuenta la rotaci?n de este.
|
744 |
return new ExtentImpl(ulWC, lrWC); |
745 |
} |
746 |
Extent adjustedRotedExtent = util.calculateAdjustedView(vp.getExtent(), ldatastore.getAffineTransform(), ldatastore.getWidth(), ldatastore.getHeight()); |
747 |
widthImage = (int)Math.round(Math.abs(adjustedRotedExtent.width() * vp.getMat().getScaleX())); |
748 |
heightImage = (int)Math.round(Math.abs(adjustedRotedExtent.height() * vp.getMat().getScaleY())); |
749 |
Point2D ul = new Point2D.Double(adjustedRotedExtent.getULX(), adjustedRotedExtent.getULY()); |
750 |
Point2D lr = new Point2D.Double(adjustedRotedExtent.getLRX(), adjustedRotedExtent.getLRY()); |
751 |
ul = ldatastore.worldToRaster(ul); |
752 |
lr = ldatastore.worldToRaster(lr); |
753 |
ulPxRequest = new Point2D.Double(ul.getX(), ul.getY()); |
754 |
lrPxRequest = new Point2D.Double(lr.getX(), lr.getY()); |
755 |
return adjustedRotedExtent;
|
756 |
} |
757 |
|
758 |
/*
|
759 |
* (non-Javadoc)
|
760 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getRenderBands()
|
761 |
*/
|
762 |
public int[] getRenderBands() { |
763 |
return renderBands;
|
764 |
} |
765 |
|
766 |
/*
|
767 |
* (non-Javadoc)
|
768 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#isRenderingAsGray()
|
769 |
*/
|
770 |
public boolean isRenderingAsGray() { |
771 |
int[] renderBands = getRenderBands(); |
772 |
if ((renderBands != null) && (renderBands.length == 3) && (renderBands[0] >= 0) && |
773 |
(renderBands[0] == renderBands[1]) && (renderBands[1] == renderBands[2])) |
774 |
return true; |
775 |
return false; |
776 |
} |
777 |
|
778 |
/**
|
779 |
* Asigna el n?mero de bandas y el orden de renderizado. Cada posici?n del vector es una banda
|
780 |
* del buffer y el contenido de esa posici?n es la banda de la imagen que se dibujar?
|
781 |
* sobre ese buffer. A la hora de renderizar hay que tener en cuenta que solo se renderizan las
|
782 |
* tres primeras bandas del buffer por lo que solo se tienen en cuenta los tres primeros
|
783 |
* elementos. Por ejemplo, el array {1, 0, 3} dibujar? sobre el Graphics las bandas 1,0 y 3 de un
|
784 |
* raster que tiene al menos 4 bandas. La notaci?n con -1 en alguna posici?n del vector solo tiene sentido
|
785 |
* en la visualizaci?n pero no se puede as?gnar una banda del buffer a null.
|
786 |
* Algunos ejemplos:
|
787 |
* <P>
|
788 |
* {-1, 0, -1} Dibuja la banda 0 del raster en la G de la visualizaci?n.
|
789 |
* Si replicateBand es true R = G = B sino R = B = 0
|
790 |
* {1, 0, 3} La R = banda 1 del raster, G = 0 y B = 3
|
791 |
* {0} La R = banda 0 del raster. Si replicateBand es true R = G = B sino G = B = 0
|
792 |
* </P>
|
793 |
*
|
794 |
*
|
795 |
* @param renderBands: bandas y su posici?n
|
796 |
*/
|
797 |
public void setRenderBands(int[] renderBands) { |
798 |
if( renderBands[0] != this.renderBands[0] || |
799 |
renderBands[1] != this.renderBands[1] || |
800 |
renderBands[2] != this.renderBands[2]) |
801 |
callVisualPropertyChanged(renderBands); |
802 |
this.renderBands = renderBands;
|
803 |
if (filterList != null) |
804 |
for (int i = 0; i < filterList.lenght(); i++) |
805 |
(filterList.get(i)).addParam("renderBands", renderBands);
|
806 |
} |
807 |
|
808 |
/**
|
809 |
* Dado que la notaci?n de bandas para renderizado admite posiciones con -1 y la notaci?n del
|
810 |
* buffer no ya que no tendria sentido. Esta funci?n adapta la primera notaci?n a la segunda
|
811 |
* para realizar la petici?n setAreaOfInterest y cargar el buffer.
|
812 |
* @param b Array que indica la posici?n de bandas para el renderizado
|
813 |
* @return Array que indica la posici?n de bandas para la petici?n
|
814 |
*/
|
815 |
public int[] formatArrayRenderBand(int[] b) { |
816 |
int cont = 0; |
817 |
for(int i = 0; i < b.length; i++) |
818 |
if(b[i] >= 0) |
819 |
cont ++; |
820 |
if(cont <= 0) |
821 |
return null; |
822 |
int[] out = new int[cont]; |
823 |
int pos = 0; |
824 |
for(int i = 0; i < cont; i++) { |
825 |
while(b[pos] == -1) |
826 |
pos ++; |
827 |
out[i] = b[pos]; |
828 |
pos ++; |
829 |
} |
830 |
return out;
|
831 |
} |
832 |
|
833 |
/*
|
834 |
* (non-Javadoc)
|
835 |
* @see org.gvsig.fmap.dal.coverage.grid.Render#getLastTransparency()
|
836 |
*/
|
837 |
public Transparency getLastTransparency() { |
838 |
return lastTransparency;
|
839 |
} |
840 |
|
841 |
/*
|
842 |
* (non-Javadoc)
|
843 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getLastAlphaBandNumber()
|
844 |
*/
|
845 |
public int getLastAlphaBandNumber() { |
846 |
return lastAlphaBand;
|
847 |
} |
848 |
|
849 |
/*
|
850 |
* (non-Javadoc)
|
851 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setLastTransparency(org.gvsig.fmap.dal.coverage.store.props.Transparency)
|
852 |
*/
|
853 |
public void setLastTransparency(Transparency lastTransparency) { |
854 |
this.lastTransparency = lastTransparency;
|
855 |
if(this.lastTransparency != null) |
856 |
this.lastTransparency.addPropertyListener(this); |
857 |
} |
858 |
|
859 |
/*
|
860 |
* (non-Javadoc)
|
861 |
* @see org.gvsig.fmap.dal.coverage.grid.Render#getFilterList()
|
862 |
*/
|
863 |
public RasterFilterList getFilterList() {
|
864 |
return filterList;
|
865 |
} |
866 |
|
867 |
/*
|
868 |
* (non-Javadoc)
|
869 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getLastRenderBuffer()
|
870 |
*/
|
871 |
public Buffer getLastRenderBuffer() { |
872 |
return this.lastRenderBuffer; |
873 |
} |
874 |
|
875 |
/*
|
876 |
* (non-Javadoc)
|
877 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setLastRenderBuffer(org.gvsig.fmap.dal.coverage.dataset.Buffer)
|
878 |
*/
|
879 |
public void setLastRenderBuffer(Buffer buf) { |
880 |
this.lastRenderBuffer = buf;
|
881 |
} |
882 |
|
883 |
/*
|
884 |
* (non-Javadoc)
|
885 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setFilterList(org.gvsig.fmap.dal.coverage.grid.RasterFilterList)
|
886 |
*/
|
887 |
public void setFilterList(RasterFilterList filterList) { |
888 |
this.filterList = filterList;
|
889 |
this.filterList.addFilterListListener(this); |
890 |
} |
891 |
|
892 |
/*
|
893 |
* (non-Javadoc)
|
894 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#existColorTable()
|
895 |
*/
|
896 |
public boolean existColorTable() { |
897 |
return (filterList.getFilterByBaseClass(ColorTableFilter.class) != null); |
898 |
} |
899 |
|
900 |
/*
|
901 |
* (non-Javadoc)
|
902 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getColorTable()
|
903 |
*/
|
904 |
public ColorTable getColorTable() {
|
905 |
if(existColorTable()) {
|
906 |
RasterFilter f = filterList.getFilterByBaseClass(ColorTableFilter.class); |
907 |
return ((ColorTableFilter)f).getColorTable();
|
908 |
} |
909 |
return null; |
910 |
} |
911 |
|
912 |
/**
|
913 |
* Obtiene el grid asociado al render
|
914 |
* @return
|
915 |
*/
|
916 |
public Grid getGrid() {
|
917 |
return grid;
|
918 |
} |
919 |
|
920 |
/**
|
921 |
* Asigna la factoria de buffer del renderizador
|
922 |
* @param bf
|
923 |
*/
|
924 |
public void setDataSource(RasterDataStore ds) { |
925 |
this.dataStore = ds;
|
926 |
} |
927 |
|
928 |
/**
|
929 |
* Evento activado cuando cambia una propiedad de transparencia.
|
930 |
*/
|
931 |
public void actionValueChanged(PropertyEvent e) { |
932 |
callVisualPropertyChanged(new VisualPropertyEvent(e.getSource()));
|
933 |
} |
934 |
|
935 |
/**
|
936 |
* Evento activado cuando cambia la lista de filtros.
|
937 |
*/
|
938 |
public void filterListChanged(FilterListChangeEvent e) { |
939 |
callVisualPropertyChanged(new VisualPropertyEvent(e.getSource()));
|
940 |
} |
941 |
|
942 |
/*
|
943 |
* (non-Javadoc)
|
944 |
* @see org.gvsig.tools.persistence.Persistent#loadFromState(org.gvsig.tools.persistence.PersistentState)
|
945 |
*/
|
946 |
public void loadFromState(PersistentState state) |
947 |
throws PersistenceException {
|
948 |
lastTransparency = (Transparency)state.get("lastTransparency"); |
949 |
renderBands = (int[])state.getIntArray("renderBands"); |
950 |
//setFilterList((RasterFilterList)state.get("filterList"));
|
951 |
} |
952 |
|
953 |
/*
|
954 |
* (non-Javadoc)
|
955 |
* @see org.gvsig.tools.persistence.Persistent#saveToState(org.gvsig.tools.persistence.PersistentState)
|
956 |
*/
|
957 |
public void saveToState(PersistentState state) throws PersistenceException { |
958 |
state.set("lastTransparency", lastTransparency);
|
959 |
state.set("renderBands", renderBands);
|
960 |
//state.set("filterList", filterList);
|
961 |
} |
962 |
|
963 |
public static void registerPersistence() { |
964 |
PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
965 |
DynStruct definition = manager.addDefinition( |
966 |
DefaultRender.class, |
967 |
"RasterRendering",
|
968 |
"RasterRendering Persistent definition",
|
969 |
null,
|
970 |
null
|
971 |
); |
972 |
definition.addDynFieldObject("lastTransparency").setClassOfValue(Transparency.class).setMandatory(false); |
973 |
definition.addDynFieldList("renderBands").setClassOfItems(int.class).setMandatory(false); |
974 |
//definition.addDynFieldObject("filterList").setClassOfValue(RasterFilterList.class).setMandatory(false);
|
975 |
} |
976 |
|
977 |
public void setCancel(Cancellable cancel) { |
978 |
this.cancel = cancel;
|
979 |
} |
980 |
|
981 |
/**
|
982 |
* Sets buffers to null
|
983 |
*/
|
984 |
public void dispose() { |
985 |
if (lastTransparency != null) |
986 |
lastTransparency.dispose(); |
987 |
if (grid != null) |
988 |
grid.dispose(); |
989 |
if (getFilterList() != null) |
990 |
getFilterList().dispose(); |
991 |
if (lastRenderBuffer != null) |
992 |
lastRenderBuffer.dispose(); |
993 |
try {
|
994 |
finalize(); |
995 |
} catch (Throwable e) { |
996 |
} |
997 |
} |
998 |
|
999 |
/*
|
1000 |
* (non-Javadoc)
|
1001 |
* @see java.lang.Object#finalize()
|
1002 |
*/
|
1003 |
protected void finalize() throws Throwable { |
1004 |
grid = null;
|
1005 |
dataStore = null;
|
1006 |
renderBands = null;
|
1007 |
drawer = null;
|
1008 |
lastTransparency = null;
|
1009 |
filterList = null;
|
1010 |
lastRenderBuffer = null;
|
1011 |
ulPxRequest = null;
|
1012 |
lrPxRequest = null;
|
1013 |
lastGraphics = null;
|
1014 |
lastViewPortData = null;
|
1015 |
viewDimension = null;
|
1016 |
|
1017 |
if(visualPropertyListener != null) { |
1018 |
visualPropertyListener.clear(); |
1019 |
visualPropertyListener = null;
|
1020 |
} |
1021 |
super.finalize();
|
1022 |
} |
1023 |
|
1024 |
} |