svn-gvsig-desktop / trunk / extensions / extRemoteSensing / src / org / gvsig / remotesensing / classification / ClassificationGeneralProcess.java @ 16598
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2006 Instituto de Desarrollo Regional and Generalitat Valenciana.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Iba?ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)
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* Campus Universitario s/n
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* 02071 Alabacete
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* Spain
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*
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* +34 967 599 200
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*/
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package org.gvsig.remotesensing.classification; |
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import java.io.File; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
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import org.gvsig.gui.beans.incrementabletask.IIncrementable; |
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import org.gvsig.gui.beans.incrementabletask.IncrementableEvent; |
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import org.gvsig.gui.beans.incrementabletask.IncrementableListener; |
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import org.gvsig.gui.beans.incrementabletask.IncrementableTask; |
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import org.gvsig.raster.buffer.BufferFactory; |
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import org.gvsig.raster.buffer.RasterBuffer; |
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import org.gvsig.raster.buffer.RasterBufferInvalidException; |
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import org.gvsig.raster.dataset.GeoRasterWriter; |
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import org.gvsig.raster.dataset.IRasterDataSource; |
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import org.gvsig.raster.dataset.NotSupportedExtensionException; |
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import org.gvsig.raster.dataset.io.RasterDriverException; |
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import org.gvsig.raster.datastruct.ColorItem; |
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import org.gvsig.raster.datastruct.ColorTable; |
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import org.gvsig.raster.grid.Grid; |
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import org.gvsig.raster.grid.GridPalette; |
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import org.gvsig.raster.grid.filter.RasterFilterList; |
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import org.gvsig.raster.grid.filter.RasterFilterListManager; |
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import org.gvsig.raster.grid.filter.bands.ColorTableFilter; |
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import org.gvsig.raster.grid.filter.bands.ColorTableListManager; |
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import org.gvsig.raster.grid.filter.enhancement.LinearEnhancementFilter; |
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import org.gvsig.raster.grid.filter.statistics.TailTrimFilter; |
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import org.gvsig.raster.grid.roi.ROI; |
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import org.gvsig.raster.hierarchy.IRasterRendering; |
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import org.gvsig.raster.process.CancelEvent; |
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import org.gvsig.raster.process.RasterTask; |
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import org.gvsig.raster.util.RasterToolsUtil; |
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import org.gvsig.rastertools.clipping.WriterBufferServer; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.exceptions.layers.LoadLayerException; |
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import com.iver.cit.gvsig.fmap.MapContext; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.project.documents.view.gui.View; |
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/**
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* ClassificationGeneraProccess es la clase abstracta base que extienden todos
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* los metodos de clasificaci?n. Recoge procedimientos comunes a todos los metodos:
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* construccion del grid que se va a clasificar, asignacion de la leyenda a la capa
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* resultante o escritura en fichero.
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* Cada procedimiento de clasificaci?n implementar? los m?todos que determinan la
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* clase a la que pertenece un pixel, adem?s del metodo run().
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*@author Alejandro Mu?oz Sanchez (alejandro.munoz@uclm.es)
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*@author Diego Guerrero Sevilla (diego.guerrero@uclm.es)
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*@version 19/10/2007
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* */
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public abstract class ClassificationGeneralProcess implements Runnable, IIncrementable, IncrementableListener { |
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protected Grid inputGrid = null; |
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protected IRasterDataSource raster = null; |
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protected RasterBuffer rasterResult = null; |
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protected MapContext mapContext = null; |
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protected int percent = 0; |
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protected Thread blinker = null; |
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protected ArrayList rois = null; |
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protected IncrementableTask incrementableTask = null; |
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protected WriterBufferServer writerBufferServer = null; |
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protected String fileNameOutput = null; |
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protected boolean selectedBands[] = null; |
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protected int numClases = 0; |
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protected View view = null; |
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protected RasterTask rasterTask = new RasterTask(this); |
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protected int[] bandList = null; |
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/**
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* M?todo que determina la clase de pertenencia del pixel cuyos valores
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* por banda se pasan en un array de bytes.
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* @param valores del pixel en cada una de las bandas
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* @return clase a la que pertenece el pixel
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*/
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public abstract int getPixelClassForTypeByte(byte pixelBandsValues[]); |
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/**
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* M?todo que determina la clase de pertenencia del pixel cuyos valores
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* por banda se pasan en un array de shorts.
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* @param valores del pixel en cada una de las bandas
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* @return clase a la que pertenece el pixel
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*/
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public abstract int getPixelClassForTypeShort(short pixelBandsValues[]); |
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/**
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* M?todo que determina la clase de pertenencia del pixel cuyos valores
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* por banda se pasan en un array de int.
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* @param valores del pixel en cada una de las bandas
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* @return clase a la que pertenece el pixel
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*/
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public abstract int getPixelClassForTypeInt(int pixelBandsValues[]); |
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/**
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* M?todo que determina la clase de pertenencia del pixel cuyos valores
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* por banda se pasan en un array de float.
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* @param valores del pixel en cada una de las bandas
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* @return clase a la que pertenece el pixel
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*/
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public abstract int getPixelClassForTypeFloat(float pixelBandsValues[]); |
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/**
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* M?todo que determina la clase de pertenencia del pixel cuyos valores
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* por banda se pasan en un array de double.
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* @param valores del pixel en cada una de las bandas
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* @return clase a la que pertenece el pixel
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*/
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public abstract int getPixelClassForTypeDouble(double pixelBandsValues[]); |
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/**
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* Lanzar el Thread del proceso de clasificaci?n.
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*/
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public void start() {} |
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/**
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* Asigna la leyenda a la capa resultante
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* @param lyr capa a la que se asigna la leyenda
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*/
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public void setLeyend(FLayer lyr) { |
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if(lyr instanceof IRasterRendering) { |
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IRasterRendering rendering = (IRasterRendering) lyr; |
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ArrayList colorItems = new ArrayList(); |
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ColorItem colorItem = null;
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int classValue = 0; |
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for (Iterator iter = rois.iterator(); iter.hasNext();) { |
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ROI roi = (ROI) iter.next(); |
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colorItem = new ColorItem();
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colorItem.setColor(roi.getColor()); |
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colorItem.setNameClass(roi.getName()); |
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colorItem.setValue(classValue); |
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colorItems.add(colorItem); |
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classValue++; |
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} |
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ColorTable colorTable = new ColorTable();
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colorTable.createPaletteFromColorItems(colorItems, false);
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RasterFilterList filterList = rendering.getRenderFilterList(); |
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RasterFilterListManager manager = new RasterFilterListManager(filterList);
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ColorTableListManager cManager = (ColorTableListManager) manager.getManagerByClass(ColorTableListManager.class); |
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filterList.remove(ColorTableFilter.class); |
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((FLyrRasterSE)lyr).setLastLegend(null);
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filterList.remove(LinearEnhancementFilter.class); |
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filterList.remove(TailTrimFilter.class); |
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GridPalette gridPalette = new GridPalette(colorTable);
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cManager.addColorTableFilter(gridPalette); |
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((FLyrRasterSE)lyr).setLastLegend(gridPalette); |
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rendering.setRenderFilterList(filterList); |
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} |
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} |
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/**
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* Establece el grid con las bandas recogidas en bandList.
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*/
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public void setGrid(){ |
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BufferFactory bufferFactory = new BufferFactory(raster);
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try {
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bufferFactory.setAreaOfInterest(); |
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bufferFactory.setAllDrawableBands(); |
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inputGrid = new Grid(bufferFactory,bandList);
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} catch (RasterDriverException e) {
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RasterToolsUtil.messageBoxError(PluginServices.getText(this, "raster_buffer_invalid_extension"), this, e); |
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}catch (RasterBufferInvalidException e) {
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RasterToolsUtil.messageBoxError(PluginServices.getText(this, "raster_buffer_invalid_extension"), this, e); |
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}catch (InterruptedException e) { |
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RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_preview_stop"), this, e); |
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} |
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} |
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/**
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* Escritura del resultado a disco y carga de la capa en la vista.
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*/
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public void writeToFile(){ |
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try{
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GeoRasterWriter grw = null;
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writerBufferServer = new WriterBufferServer(rasterResult);
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grw = GeoRasterWriter.getWriter(writerBufferServer, fileNameOutput, rasterResult.getBandCount(),raster.getAffineTransform(), rasterResult.getWidth(), rasterResult.getHeight(), rasterResult.getDataType(), GeoRasterWriter.getWriter(fileNameOutput).getParams(), null);
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grw.dataWrite(); |
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grw.setWkt(raster.getWktProjection()); |
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grw.writeClose(); |
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rasterResult.free(); |
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mapContext= view.getModel().getMapContext(); |
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mapContext.beginAtomicEvent(); |
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FLayer lyr = null;
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int endIndex = fileNameOutput.lastIndexOf("."); |
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if (endIndex < 0) |
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endIndex = fileNameOutput.length(); |
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lyr = FLyrRasterSE.createLayer(fileNameOutput.substring(fileNameOutput.lastIndexOf(File.separator) + 1, endIndex),new File(fileNameOutput), null); |
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setLeyend(lyr); |
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mapContext.getLayers().addLayer(lyr); |
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mapContext.endAtomicEvent(); |
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mapContext.invalidate(); |
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} catch (NotSupportedExtensionException e) {
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RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_writer_notsupportedextension"), this, e); |
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} catch (RasterDriverException e) {
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RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_writer"), this, e); |
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} catch (IOException e) { |
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RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_writer"), this, e); |
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}catch (LoadLayerException e) {
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RasterToolsUtil.messageBoxError("error_cargar_capa", this, e); |
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}catch (InterruptedException e) { |
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Thread.currentThread().interrupt();
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}finally{
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if (incrementableTask != null) |
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incrementableTask.processFinalize(); |
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} |
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} |
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/**
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* @return buffer monobanda con el resultado de la clasificaci?n
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*/
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public RasterBuffer getResult(){
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return rasterResult;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getLabel()
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*/
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public String getLabel() { |
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return PluginServices.getText(this,"procesando"); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getLog()
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*/
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public String getLog() { |
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if (writerBufferServer==null) |
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return PluginServices.getText(this,"obteniendo_imagen")+"..."; |
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else
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return PluginServices.getText(this,"escribiendo_resultado")+"..."; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getPercent()
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*/
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public int getPercent() { |
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if (writerBufferServer==null) |
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return percent;
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else
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return writerBufferServer.getPercent();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getTitle()
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*/
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public String getTitle() { |
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return PluginServices.getText(this,"clasificacion"); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#actionResumed()
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*/
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public void actionResumed(IncrementableEvent e) { |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#actionSuspend()
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*/
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public void actionSuspended(IncrementableEvent e) { |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#setIncrementableTask()
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*/
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public void setIncrementableTask(IncrementableTask incrementableTask) { |
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this.incrementableTask = incrementableTask;
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this.incrementableTask.addIncrementableListener(this); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#actionCanceled()
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*/
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public void actionCanceled(IncrementableEvent e) { |
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rasterTask.setEvent(new CancelEvent(this)); |
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if (incrementableTask != null) |
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incrementableTask.processFinalize(); |
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} |
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} |