root / trunk / extensions / extGeoreferencing / src / org / gvsig / georeferencing / process / GeoreferencingProcess.java @ 18849
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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.georeferencing.process; |
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import java.awt.geom.AffineTransform; |
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import java.io.IOException; |
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import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
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import org.gvsig.georeferencing.process.geotransform.GeoTransformDataResult; |
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import org.gvsig.georeferencing.process.geotransform.GeoTransformProcess; |
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import org.gvsig.raster.IProcessActions; |
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import org.gvsig.raster.RasterProcess; |
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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.IBuffer; |
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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.GeoPoint; |
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import org.gvsig.raster.grid.Grid; |
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import org.gvsig.raster.grid.GridException; |
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import org.gvsig.raster.grid.GridExtent; |
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import org.gvsig.raster.grid.OutOfGridException; |
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import org.gvsig.raster.util.RasterToolsUtil; |
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import com.iver.andami.PluginServices; |
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/**
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* Clase que representa una proceso de georreferenciacion de un raster.
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*
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* @author Alejandro Mu?oz Sanchez (alejandro.munoz@uclm.es)
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* @version 10/2/2008
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**/
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public class GeoreferencingProcess extends RasterProcess implements IProcessActions{ |
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//Capa a georreferenciar
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private FLyrRasterSE rasterSE = null; |
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//Grid resultante de georreferenciacion
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private Grid imageGrid = null; |
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//Fichero de salida
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private String filename = null; |
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// resutado de la transformacion
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private GeoTransformDataResult transformData=null; |
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// Lista puntos de control
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private GeoPoint gpcs[] =null; |
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//Extend de imagen corregida
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GridExtent newExtend=null;
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// Metodo de resampleado utilizado
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private int rMethod= 0; |
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//Indicador de progreso
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private int percent=0; |
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// Grid resultado
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private Grid gridResult=null; |
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WriterBufferServer writerBufferServer=null;
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private int orden=0; |
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private int[] bands=null; |
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public static final int NEAREST_NEIGHBOR_INTERPOLATION = 0; |
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public static final int BILINEAL_INTERPOLATION = 1; |
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public static final int CUBIC_INTERPOLATION = 2; |
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/** Metodo que recoge los parametros del proceso georreferenciacion de un raster
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* <LI>rasterSE: capa a georeferenciar</LI>
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* <LI>filename: path con el fichero de salida</LI>
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* <LI>method: metodo de resampleo </LI>
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*/
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public void init() { |
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rasterSE= (FLyrRasterSE)getParam("fLayer");
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filename= (String)getParam("filename"); |
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rMethod=(int)getIntParam("method"); |
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gpcs = (GeoPoint[])getParam("gpcs"); |
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orden= (int)getIntParam("orden"); |
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bands= new int[rasterSE.getBandCount()]; |
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for(int i=0; i<rasterSE.getBandCount(); i++) |
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bands[i]= i; |
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// Inicializacion del grid correspondiente a la imagen a corregir
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IRasterDataSource dsetCopy = null;
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dsetCopy = rasterSE.getDataSource().newDataset(); |
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BufferFactory bufferFactory = new BufferFactory(dsetCopy);
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if (!RasterBuffer.loadInMemory(dsetCopy))
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bufferFactory.setReadOnly(true);
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try {
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imageGrid = new Grid(bufferFactory);
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}catch (RasterBufferInvalidException e) {
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e.printStackTrace(); |
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} |
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} |
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public void process() throws InterruptedException { |
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//COMENTAR: Podiamos ahorrarlo si le pasamos ya un geoTransformDataResult
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GeoTransformProcess transform = new GeoTransformProcess();
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transform.setActions(this);
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transform.addParam("gpcs",gpcs);
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transform.addParam("orden",new Integer(orden)); |
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transform.run(); |
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// Obtenida la transformacion la aplicamos a los puntos extremos de la imagen
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double p1[]=transformData.getCoordMap(imageGrid.getGridExtent().getLLX(),imageGrid.getGridExtent().getLLY()); |
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double p2[]=transformData.getCoordMap(imageGrid.getGridExtent().getULX(),imageGrid.getGridExtent().getULY()); |
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double p3[]=transformData.getCoordMap(imageGrid.getGridExtent().getURX(),imageGrid.getGridExtent().getURY()); |
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double p4[]=transformData.getCoordMap(imageGrid.getGridExtent().getLRX(),imageGrid.getGridExtent().getLRY()); |
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double xmin=Math.min( Math.min(p1[0],p2[0]),Math.min(p3[0],p4[0])); |
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double ymin=Math.min( Math.min(p1[1],p2[1]),Math.min(p3[1],p4[1])); |
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double xmax=Math.max( Math.max(p1[0],p2[0]),Math.max(p3[0],p4[0])); |
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double ymax=Math.max( Math.max(p1[1],p2[1]),Math.max(p3[1],p4[1])); |
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// OJO CON EL TAMA?O DE CELDA: CONSULTAR PARA EJEMPLO DE JOSE ES 25
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newExtend= new GridExtent(xmin,ymin,xmax,ymax,25); |
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int datatype= rasterSE.getBufferFactory().getRasterBuf().getDataType();
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try {
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gridResult= new Grid(newExtend,newExtend,datatype,bands);
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} catch (RasterBufferInvalidException e) {
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RasterToolsUtil.messageBoxError("error_grid", this, e); |
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} |
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double minPointX=gridResult.getGridExtent().getMin().getX();
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double minPointY=gridResult.getGridExtent().getMin().getY();
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double cellsizeX=gridResult.getCellSize();
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double cellsizeY=gridResult.getCellSize();
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double coord[]=null; |
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try {
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// Caso imagen tipo byte. Usando metodo de vecino mas proximo
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if(datatype==IBuffer.TYPE_BYTE)
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{
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for(int fil=0; fil<gridResult.getLayerNX(); fil++){ |
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for(int col=0; col<gridResult.getLayerNY();col++) |
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for(int band=0; band<bands.length;band++) |
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{
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coord=transform.getCoordPixel(fil*cellsizeX+minPointX, col*cellsizeY+minPointY); |
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double values[]=null; |
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if(rMethod==NEAREST_NEIGHBOR_INTERPOLATION)
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values = getNearestNeighborValue(coord[0],coord[1]);// imageGrid.getCellValueAsByte((int)coord[0],(int)coord[1]); |
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gridResult.setBandToOperate(band); |
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gridResult.setCellValue(fil,gridResult.getLayerNY()-col-1,(byte)values[band]); |
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} |
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percent= (int)fil*100/gridResult.getLayerNX(); |
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} |
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} |
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// Caso imagen tipo short
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if(datatype==IBuffer.TYPE_SHORT)
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{
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for(int fil=0; fil<gridResult.getLayerNX(); fil++){ |
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for(int col=0; col<gridResult.getLayerNY();col++) |
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for(int band=0; band<bands.length;band++) |
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{
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coord=transform.getCoordPixel(fil*cellsizeX+minPointX, col*cellsizeY+minPointY); |
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double values[]=null; |
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if(rMethod==NEAREST_NEIGHBOR_INTERPOLATION)
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values = getNearestNeighborValue(coord[0],coord[1]);// imageGrid.getCellValueAsByte((int)coord[0],(int)coord[1]); |
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gridResult.setBandToOperate(band); |
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gridResult.setCellValue(fil,gridResult.getLayerNY()-col-1,(short)values[band]); |
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} |
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percent= (int)fil*100/gridResult.getLayerNX(); |
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} |
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} |
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// Caso imagen tipo int
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if(datatype==IBuffer.TYPE_INT)
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{
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for(int fil=0; fil<gridResult.getLayerNX(); fil++){ |
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for(int col=0; col<gridResult.getLayerNY();col++) |
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for(int band=0; band<bands.length;band++) |
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{
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coord=transform.getCoordPixel(fil*cellsizeX+minPointX, col*cellsizeY+minPointY); |
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double values[]=null; |
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if(rMethod==NEAREST_NEIGHBOR_INTERPOLATION)
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values = getNearestNeighborValue(coord[0],coord[1]);// imageGrid.getCellValueAsByte((int)coord[0],(int)coord[1]); |
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gridResult.setBandToOperate(band); |
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gridResult.setCellValue(fil,gridResult.getLayerNY()-col-1,(int)values[band]); |
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} |
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percent= (int)fil*100/gridResult.getLayerNX(); |
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} |
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} |
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// Caso imagen tipo float
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if(datatype==IBuffer.TYPE_FLOAT)
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{
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for(int fil=0; fil<gridResult.getLayerNX(); fil++){ |
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for(int col=0; col<gridResult.getLayerNY();col++) |
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for(int band=0; band<bands.length;band++) |
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{
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coord=transform.getCoordPixel(fil*cellsizeX+minPointX, col*cellsizeY+minPointY); |
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double values[]=null; |
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if(rMethod==NEAREST_NEIGHBOR_INTERPOLATION)
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values = getNearestNeighborValue(coord[0],coord[1]);// imageGrid.getCellValueAsByte((int)coord[0],(int)coord[1]); |
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gridResult.setBandToOperate(band); |
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gridResult.setCellValue(fil,gridResult.getLayerNY()-col-1,(float)values[band]); |
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} |
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percent= (int)fil*100/gridResult.getLayerNX(); |
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} |
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} |
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// Caso imagen tipo double
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if(datatype==IBuffer.TYPE_FLOAT)
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{
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for(int fil=0; fil<gridResult.getLayerNX(); fil++){ |
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for(int col=0; col<gridResult.getLayerNY();col++) |
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for(int band=0; band<bands.length;band++) |
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{
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coord=transform.getCoordPixel(fil*cellsizeX+minPointX, col*cellsizeY+minPointY); |
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double values[]=null; |
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if(rMethod==NEAREST_NEIGHBOR_INTERPOLATION)
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values = getNearestNeighborValue(coord[0],coord[1]);// imageGrid.getCellValueAsByte((int)coord[0],(int)coord[1]); |
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gridResult.setBandToOperate(band); |
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gridResult.setCellValue(fil,gridResult.getLayerNY()-col-1,(double)values[band]); |
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} |
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percent= (int)fil*100/gridResult.getLayerNX(); |
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} |
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} |
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} catch (OutOfGridException e) {
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e.printStackTrace(); |
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} |
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generateLayer(); |
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if(externalActions!=null) |
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externalActions.end(filename); |
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} |
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private void generateLayer(){ |
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GeoRasterWriter grw = null;
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IBuffer buffer= gridResult.getRasterBuf(); |
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writerBufferServer = new WriterBufferServer(buffer);
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AffineTransform aTransform = new AffineTransform(newExtend.getCellSize(),0.0,0.0,-newExtend.getCellSize(),newExtend.getMin().getX(),newExtend.getMax().getY()); |
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int endIndex =filename.lastIndexOf("."); |
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if (endIndex < 0) |
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endIndex = filename.length(); |
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try {
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grw = GeoRasterWriter.getWriter(writerBufferServer, filename,gridResult.getRasterBuf().getBandCount(),aTransform, gridResult.getRasterBuf().getWidth(),gridResult.getRasterBuf().getHeight(), gridResult.getRasterBuf().getDataType(), GeoRasterWriter.getWriter(filename).getParams(),null);
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grw.dataWrite(); |
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grw.setWkt(rasterSE.getWktProjection()); |
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grw.writeClose(); |
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} catch (NotSupportedExtensionException e1) {
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RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_writer_notsupportedextension"), this, e1); |
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} catch (RasterDriverException e1) {
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e1.printStackTrace(); |
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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 (InterruptedException e) { |
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Thread.currentThread().interrupt();
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} |
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} |
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/**
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* Metodo que devuelve el resultado de la interpolacion por vecino mas proximo.
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* @param y coordenada y
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* @param x coordenada x
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* @return array con los valores ya interpolados para las coordenadas x e y de
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* */
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public double [] getNearestNeighborValue(double x, double y){ |
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double bandsvalue[]=new double[bands.length]; |
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// Caso buffer tipo byte
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if(imageGrid.getRasterBuf().getDataType()==IBuffer.TYPE_BYTE){
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for(int band=0; band<bands.length;band++) |
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{
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try {
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imageGrid.setBandToOperate(band); |
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bandsvalue[band]=imageGrid.getCellValueAsByte((int)Math.rint(x),(int)Math.rint(y)); |
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} catch (GridException e) {
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e.printStackTrace(); |
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} |
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} |
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} |
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// Caso buffer tipo short
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if(imageGrid.getRasterBuf().getDataType()==IBuffer.TYPE_SHORT){
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for(int band=0; band<bands.length;band++) |
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{
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try {
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imageGrid.setBandToOperate(band); |
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bandsvalue[band]=imageGrid.getCellValueAsShort((int)Math.rint(x),(int)Math.rint(y)); |
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} catch (GridException e) {
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e.printStackTrace(); |
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} |
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} |
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} |
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// Caso buffer tipo int
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if(imageGrid.getRasterBuf().getDataType()==IBuffer.TYPE_INT){
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for(int band=0; band<bands.length;band++) |
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{
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try {
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imageGrid.setBandToOperate(band); |
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bandsvalue[band]=imageGrid.getCellValueAsInt((int)Math.rint(x),(int)Math.rint(y)); |
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} catch (GridException e) {
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e.printStackTrace(); |
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} |
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} |
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} |
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// Caso buffer tipo float
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if(imageGrid.getRasterBuf().getDataType()==IBuffer.TYPE_FLOAT){
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for(int band=0; band<bands.length;band++) |
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{
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try {
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imageGrid.setBandToOperate(band); |
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bandsvalue[band]=imageGrid.getCellValueAsFloat((int)Math.rint(x),(int)Math.rint(y)); |
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} catch (GridException e) {
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e.printStackTrace(); |
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} |
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} |
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} |
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// Caso buffer tipo double
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if(imageGrid.getRasterBuf().getDataType()==IBuffer.TYPE_DOUBLE){
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for(int band=0; band<bands.length;band++) |
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{
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try {
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imageGrid.setBandToOperate(band); |
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bandsvalue[band]=imageGrid.getCellValueAsFloat((int)Math.rint(x),(int)Math.rint(y)); |
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} catch (GridException e) {
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e.printStackTrace(); |
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} |
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} |
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} |
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return bandsvalue;
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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,"georreferenciacion_process"); |
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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 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 0;//writerBufferServer.getPercent(); |
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} |
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public void interrupted() { |
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// TODO Auto-generated method stub
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} |
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public void end(Object param) { |
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transformData = (GeoTransformDataResult)param; |
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} |
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} |