svn-gvsig-desktop / tags / v1_1_Build_1010 / libraries / libCq_CMS_praster / src / org / cresques / io / data / RasterBuf.java @ 12804
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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 IVER T.I. 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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package org.cresques.io.data; |
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import java.io.IOException; |
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import org.cresques.filter.IRaster; |
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import org.cresques.io.GeoRasterWriter; |
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import org.cresques.io.IDataWriter; |
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import org.cresques.px.Extent; |
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/**
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* Rectangulo de pixeles. Para cada tipo de datos java hay un buffer distinto donde cada elemento es
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* accedido de la siguiente forma: [banda][fila][columna]
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* m[1][2][0] = cte;-> Sustituye el elemento de la fila 2 de la banda 1 columna 0
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* m[1][0] = array; -> Sustituye la fila 0 de la banda 1
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* m[0] = matriz cuadrada; -> Sustituye la banda entera.
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*
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* @author Luis W. Sevilla (sevilla_lui@gva.es)
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*/
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public class RasterBuf implements IRaster { |
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private byte[][][] byteBuf; |
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private short[][][] shortBuf; |
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private int[][][] intBuf; |
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private float[][][] floatBuf; |
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private double[][][] doubleBuf; |
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private int width; |
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private int height; |
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private int nBands; |
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private int dataType; |
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public double noDataValue = -99999; |
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/**
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* Constructor
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*/
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public RasterBuf() {
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} |
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/**
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* Constructor
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* @param dataType Tipo de dato
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* @param width Ancho
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* @param height Alto
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* @param bandNr Banda
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* @param orig
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*/
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public RasterBuf(int dataType, int width, int height, int bandNr, boolean malloc) { |
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if(malloc)
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malloc(dataType, width, height, bandNr); |
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else
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loadVariables(dataType, width, height, bandNr); |
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} |
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/**
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* Reserva de memoria para el rasterbuf
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* @param dataType Tipo de dato
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* @param width Ancho
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* @param height Alto
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* @param bandNr Banda
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* @param orig
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*/
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public void malloc(int dataType, int width, int height, int bandNr) { |
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this.dataType = dataType;
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this.width = width;
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this.height = height;
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this.nBands = bandNr;
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if (dataType == TYPE_BYTE) {
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byteBuf = new byte[bandNr][height][width]; |
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} else if ((dataType == TYPE_SHORT) | (dataType == TYPE_USHORT)) { |
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shortBuf = new short[bandNr][height][width]; |
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} else if (dataType == TYPE_INT) { |
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intBuf = new int[bandNr][height][width]; |
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} else if (dataType == TYPE_FLOAT) { |
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floatBuf = new float[bandNr][height][width]; |
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} else if (dataType == TYPE_DOUBLE) { |
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doubleBuf = new double[bandNr][height][width]; |
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} |
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} |
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/**
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* Carga las variables del rasterBuf
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* @param dataType Tipo de dato
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* @param width Ancho
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* @param height Alto
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* @param bandNr Banda
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* @param orig
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*/
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private void loadVariables(int dataType, int width, int height, int bandNr) { |
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this.dataType = dataType;
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this.width = width;
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this.height = height;
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this.nBands = bandNr;
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if (dataType == TYPE_BYTE) {
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byteBuf = new byte[bandNr][height][]; |
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} else if ((dataType == TYPE_SHORT) | (dataType == TYPE_USHORT)) { |
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shortBuf = new short[bandNr][height][]; |
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} else if (dataType == TYPE_INT) { |
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intBuf = new int[bandNr][height][]; |
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} else if (dataType == TYPE_FLOAT) { |
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floatBuf = new float[bandNr][height][]; |
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} else if (dataType == TYPE_DOUBLE) { |
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doubleBuf = new double[bandNr][height][]; |
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} |
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.raster.IRaster#getWidth()
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*/
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public int getWidth() { |
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return width;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.raster.IRaster#getHeight()
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*/
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public int getHeight() { |
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return height;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.raster.IRaster#getBandNr()
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*/
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public int getBandCount() { |
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return nBands;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.raster.IRaster#getDataType()
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*/
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public int getDataType() { |
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return dataType;
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} |
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/**
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* Obtiene el tama?o del tipo de dato en bytes
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* @return Tipo de dato
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*/
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public int getDataSize() { |
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if (dataType == TYPE_BYTE) {
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return 1; |
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} else if ((dataType == TYPE_SHORT) | (dataType == TYPE_USHORT)) { |
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return 2; |
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} else if (dataType == TYPE_INT) { |
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return 4; |
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}else if (dataType == TYPE_FLOAT) { |
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return 8; |
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}else if (dataType == TYPE_DOUBLE) { |
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return 16; |
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} |
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return 0; |
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} |
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/**
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* Obtiene el tama?o del buffer
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* @return tama?o del buffer
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*/
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public int sizeof() { |
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return getDataSize() * width * height * nBands;
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} |
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//***********************************************
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//Obtiene una linea de datos con todas las bandas
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public byte[][] getLineByte(int line) { |
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byte[][] r = new byte[nBands][]; |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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r[iBand] = byteBuf[iBand][line]; |
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return r;
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} |
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public short[][] getLineShort(int line) { |
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short[][] r = new short[nBands][]; |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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r[iBand] = shortBuf[iBand][line]; |
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return r;
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} |
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public int[][] getLineInt(int line) { |
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int[][] r = new int[nBands][]; |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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r[iBand] = intBuf[iBand][line]; |
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return r;
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} |
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public float[][] getLineFloat(int line) { |
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float[][] r = new float[nBands][]; |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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r[iBand] = floatBuf[iBand][line]; |
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return r;
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} |
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public double[][] getLineDouble(int line) { |
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double[][] r = new double[nBands][]; |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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r[iBand] = doubleBuf[iBand][line]; |
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return r;
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} |
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//***********************************************
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//Asigna una linea de datos a todas las bandas
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public void setLineByte(byte[][] data, int line) { |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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byteBuf[iBand][line] = data[iBand]; |
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} |
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public void setLineShort(short[][] data, int line) { |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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shortBuf[iBand][line] = data[iBand]; |
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} |
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public void setLineInt(int[][] data, int line) { |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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intBuf[iBand][line] = data[iBand]; |
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} |
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public void setLineFloat(float[][] data, int line) { |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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floatBuf[iBand][line] = data[iBand]; |
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} |
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public void setLineDouble(double[][] data, int line) { |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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doubleBuf[iBand][line] = data[iBand]; |
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} |
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//***********************************************
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//Obtiene una linea de datos de una banda
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public byte[] getLineFromBandByte(int line, int band) { |
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return byteBuf[band][line];
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} |
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public short[] getLineFromBandShort(int line, int band) { |
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return shortBuf[band][line];
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} |
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public int[] getLineFromBandInt(int line, int band) { |
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return intBuf[band][line];
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} |
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public float[] getLineFromBandFloat(int line, int band) { |
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return floatBuf[band][line];
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} |
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public double[] getLineFromBandDouble(int line, int band) { |
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return doubleBuf[band][line];
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} |
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//***********************************************
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//Asigna una linea de datos a una banda
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public void setLineInBandByte(byte[] data, int line, int band) { |
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byteBuf[band][line] = data; |
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} |
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public void setLineInBandShort(short[] data, int line, int band) { |
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shortBuf[band][line] = data; |
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} |
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public void setLineInBandInt(int[] data, int line, int band) { |
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intBuf[band][line] = data; |
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} |
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public void setLineInBandFloat(float[] data, int line, int band) { |
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floatBuf[band][line] = data; |
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} |
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public void setLineInBandDouble(double[] data, int line, int band) { |
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doubleBuf[band][line] = data; |
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} |
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//***********************************************
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//Obtiene un elemento de la matriz
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public byte getElemByte(int line, int col, int band) { |
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return byteBuf[band][line][col];
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} |
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public short getElemShort(int line, int col, int band) { |
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return shortBuf[band][line][col];
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} |
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public int getElemInt(int line, int col, int band) { |
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return intBuf[band][line][col];
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} |
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public float getElemFloat(int line, int col, int band) { |
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return floatBuf[band][line][col];
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} |
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public double getElemDouble(int line, int col, int band) { |
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return doubleBuf[band][line][col];
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} |
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//**********************************************
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//Asigna un elemento de la matriz
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public void setElemByte(int line, int col, int band, byte data) { |
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byteBuf[band][line][col] = data; |
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} |
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public void setElemShort(int line, int col, int band, short data) { |
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shortBuf[band][line][col] = data; |
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} |
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public void setElemInt(int line, int col, int band, int data) { |
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intBuf[band][line][col] = data; |
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} |
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public void setElemFloat(int line, int col, int band, float data) { |
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floatBuf[band][line][col] = data; |
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} |
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public void setElemDouble(int line, int col, int band, double data) { |
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doubleBuf[band][line][col] = data; |
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} |
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//***********************************************
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//Copia un elemento de todas la bandas en el buffer pasado por par?metro
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public void getElemByte(int line, int col, byte[] data) { |
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for (int iBand = 0; (iBand < nBands && iBand < data.length); iBand++) |
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data[iBand] = byteBuf[iBand][line][col]; |
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} |
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public void getElemShort(int line, int col, short[] data) { |
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for (int iBand = 0; (iBand < nBands && iBand < data.length); iBand++) |
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data[iBand] = shortBuf[iBand][line][col]; |
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} |
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public void getElemInt(int line, int col, int[] data) { |
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for (int iBand = 0; (iBand < nBands && iBand < data.length); iBand++) |
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data[iBand] = intBuf[iBand][line][col]; |
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} |
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public void getElemFloat(int line, int col, float[] data) { |
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for (int iBand = 0; (iBand < nBands && iBand < data.length); iBand++) |
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data[iBand] = floatBuf[iBand][line][col]; |
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} |
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public void getElemDouble(int line, int col, double[] data) { |
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for (int iBand = 0; (iBand < nBands && iBand < data.length); iBand++) |
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data[iBand] = doubleBuf[iBand][line][col]; |
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} |
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//***********************************************
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//Asigna un elemento a todas la bandas en el buffer pasado por par?metro
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public void setElemByte(int line, int col, byte[] data) { |
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for (int iBand = 0; (iBand < nBands && iBand < data.length); iBand++) |
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byteBuf[iBand][line][col] = data[iBand]; |
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} |
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public void setElemShort(int line, int col, short[] data) { |
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for (int iBand = 0; (iBand < nBands && iBand < data.length); iBand++) |
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shortBuf[iBand][line][col] = data[iBand]; |
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} |
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public void setElemInt(int line, int col, int[] data) { |
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for (int iBand = 0; (iBand < nBands && iBand < data.length); iBand++) |
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intBuf[iBand][line][col] = data[iBand]; |
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} |
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public void setElemFloat(int line, int col, float[] data) { |
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for (int iBand = 0; (iBand < nBands && iBand < data.length); iBand++) |
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floatBuf[iBand][line][col] = data[iBand]; |
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} |
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public void setElemDouble(int line, int col, double[] data) { |
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for (int iBand = 0; (iBand < nBands && iBand < data.length); iBand++) |
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doubleBuf[iBand][line][col] = data[iBand]; |
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} |
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//***********************************************
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//Obtiene una banda entera
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public byte[][] getBandByte(int band) { |
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return byteBuf[band];
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} |
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public short[][] getBandShort(int band) { |
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return shortBuf[band];
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} |
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public int[][] getBandInt(int band) { |
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return intBuf[band];
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} |
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public float[][] getBandFloat(int band) { |
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return floatBuf[band];
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} |
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public double[][] getBandDouble(int band) { |
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return doubleBuf[band];
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} |
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//***********************************************
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//Sustituye una banda entera
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public void getBandByte(int band, byte[][] data) { |
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byteBuf[band] = data; |
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} |
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public void getBandShort(int band, short[][] data) { |
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shortBuf[band] = data; |
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} |
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public void getBandInt(int band, int[][] data) { |
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intBuf[band] = data; |
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} |
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public void getBandFloat(int band, float[][] data) { |
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floatBuf[band] = data; |
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} |
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public void getBandDouble(int band, double[][] data) { |
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doubleBuf[band] = data; |
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} |
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//***********************************************
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//Crea un buffer banda inicializado con el valor pasado por par?metro
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public static byte[][] createByteBand(int width, int height, byte defaultValue){ |
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byte[][] band = new byte[height][width]; |
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if(defaultValue != 0){ |
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for(int line = 0; line < height; line ++) |
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for(int col = 0; col < width; col ++) |
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band[line][col] = defaultValue; |
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} |
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return band;
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} |
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public static short[][] createShortBand(int width, int height, short defaultValue){ |
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short[][] band = new short[height][width]; |
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if(defaultValue != 0){ |
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for(int line = 0; line < height; line ++) |
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for(int col = 0; col < width; col ++) |
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band[line][col] = defaultValue; |
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} |
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return band;
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} |
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public static int[][] createIntBand(int width, int height, int defaultValue){ |
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int[][] band = new int[height][width]; |
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if(defaultValue != 0){ |
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for(int line = 0; line < height; line ++) |
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for(int col = 0; col < width; col ++) |
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band[line][col] = defaultValue; |
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} |
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return band;
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} |
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public static float[][] createFloatBand(int width, int height, float defaultValue){ |
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float[][] band = new float[height][width]; |
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if(defaultValue != 0){ |
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for(int line = 0; line < height; line ++) |
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for(int col = 0; col < width; col ++) |
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band[line][col] = defaultValue; |
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} |
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return band;
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} |
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public static double[][] createDoubleBand(int width, int height, double defaultValue){ |
| 490 |
double[][] band = new double[height][width]; |
| 491 |
if(defaultValue != 0){ |
| 492 |
for(int line = 0; line < height; line ++) |
| 493 |
for(int col = 0; col < width; col ++) |
| 494 |
band[line][col] = defaultValue; |
| 495 |
} |
| 496 |
return band;
|
| 497 |
} |
| 498 |
|
| 499 |
//***********************************************
|
| 500 |
//A?ade una banda entera. Los datos son asignados por referencia
|
| 501 |
|
| 502 |
public void addBandByte(int pos, byte[][] data) { |
| 503 |
if(pos < 0) |
| 504 |
return;
|
| 505 |
byte[][][] tmp = null; |
| 506 |
if(pos >= byteBuf.length){
|
| 507 |
tmp = new byte[pos + 1][][]; |
| 508 |
for(int iBand = 0; iBand < byteBuf.length; iBand ++) |
| 509 |
tmp[iBand] = byteBuf[iBand]; |
| 510 |
tmp[pos] = data; |
| 511 |
}else{
|
| 512 |
tmp = new byte[byteBuf.length + 1][][]; |
| 513 |
for(int iBand = 0; iBand < pos; iBand ++) |
| 514 |
tmp[iBand] = byteBuf[iBand]; |
| 515 |
tmp[pos] = data; |
| 516 |
for(int iBand = pos + 1; iBand < byteBuf.length; iBand ++) |
| 517 |
tmp[iBand] = byteBuf[iBand - 1];
|
| 518 |
} |
| 519 |
nBands++; |
| 520 |
byteBuf = tmp; |
| 521 |
} |
| 522 |
|
| 523 |
public void addBandShort(int pos, short[][] data) { |
| 524 |
if(pos < 0) |
| 525 |
return;
|
| 526 |
short[][][] tmp = null; |
| 527 |
if(pos >= shortBuf.length){
|
| 528 |
tmp = new short[pos + 1][][]; |
| 529 |
for(int iBand = 0; iBand < shortBuf.length; iBand ++) |
| 530 |
tmp[iBand] = shortBuf[iBand]; |
| 531 |
tmp[pos] = data; |
| 532 |
}else{
|
| 533 |
tmp = new short[shortBuf.length + 1][][]; |
| 534 |
for(int iBand = 0; iBand < pos; iBand ++) |
| 535 |
tmp[iBand] = shortBuf[iBand]; |
| 536 |
tmp[pos] = data; |
| 537 |
for(int iBand = pos + 1; iBand < shortBuf.length; iBand ++) |
| 538 |
tmp[iBand] = shortBuf[iBand - 1];
|
| 539 |
} |
| 540 |
nBands++; |
| 541 |
shortBuf = tmp; |
| 542 |
} |
| 543 |
|
| 544 |
public void addBandInt(int pos, int[][] data) { |
| 545 |
if(pos < 0) |
| 546 |
return;
|
| 547 |
int[][][] tmp = null; |
| 548 |
if(pos >= intBuf.length){
|
| 549 |
tmp = new int[pos + 1][][]; |
| 550 |
for(int iBand = 0; iBand < intBuf.length; iBand ++) |
| 551 |
tmp[iBand] = intBuf[iBand]; |
| 552 |
tmp[pos] = data; |
| 553 |
}else{
|
| 554 |
tmp = new int[intBuf.length + 1][][]; |
| 555 |
for(int iBand = 0; iBand < pos; iBand ++) |
| 556 |
tmp[iBand] = intBuf[iBand]; |
| 557 |
tmp[pos] = data; |
| 558 |
for(int iBand = pos + 1; iBand < intBuf.length; iBand ++) |
| 559 |
tmp[iBand] = intBuf[iBand - 1];
|
| 560 |
} |
| 561 |
nBands++; |
| 562 |
intBuf = tmp; |
| 563 |
} |
| 564 |
|
| 565 |
public void addBandFloat(int pos, float[][] data) { |
| 566 |
if(pos < 0) |
| 567 |
return;
|
| 568 |
float[][][] tmp = null; |
| 569 |
if(pos >= floatBuf.length){
|
| 570 |
tmp = new float[pos + 1][][]; |
| 571 |
for(int iBand = 0; iBand < floatBuf.length; iBand ++) |
| 572 |
tmp[iBand] = floatBuf[iBand]; |
| 573 |
tmp[pos] = data; |
| 574 |
}else{
|
| 575 |
tmp = new float[floatBuf.length + 1][][]; |
| 576 |
for(int iBand = 0; iBand < pos; iBand ++) |
| 577 |
tmp[iBand] = floatBuf[iBand]; |
| 578 |
tmp[pos] = data; |
| 579 |
for(int iBand = pos + 1; iBand < floatBuf.length; iBand ++) |
| 580 |
tmp[iBand] = floatBuf[iBand - 1];
|
| 581 |
} |
| 582 |
nBands++; |
| 583 |
floatBuf = tmp; |
| 584 |
} |
| 585 |
|
| 586 |
public void addBandDouble(int pos, double[][] data) { |
| 587 |
if(pos < 0) |
| 588 |
return;
|
| 589 |
double[][][] tmp = null; |
| 590 |
if(pos >= doubleBuf.length){
|
| 591 |
tmp = new double[pos + 1][][]; |
| 592 |
for(int iBand = 0; iBand < doubleBuf.length; iBand ++) |
| 593 |
tmp[iBand] = doubleBuf[iBand]; |
| 594 |
tmp[pos] = data; |
| 595 |
}else{
|
| 596 |
tmp = new double[doubleBuf.length + 1][][]; |
| 597 |
for(int iBand = 0; iBand < pos; iBand ++) |
| 598 |
tmp[iBand] = doubleBuf[iBand]; |
| 599 |
tmp[pos] = data; |
| 600 |
for(int iBand = pos + 1; iBand < doubleBuf.length; iBand ++) |
| 601 |
tmp[iBand] = doubleBuf[iBand - 1];
|
| 602 |
} |
| 603 |
nBands++; |
| 604 |
doubleBuf = tmp; |
| 605 |
} |
| 606 |
|
| 607 |
//***********************************************
|
| 608 |
//Reemplaza una banda entera. Los datos son reemplazados por referencia
|
| 609 |
|
| 610 |
public void replaceBandByte(int pos, byte[][] data) { |
| 611 |
if(pos >= byteBuf.length)
|
| 612 |
return;
|
| 613 |
byteBuf[pos] = data; |
| 614 |
} |
| 615 |
|
| 616 |
public void replaceBandShort(int pos, short[][] data) { |
| 617 |
if(pos >= shortBuf.length)
|
| 618 |
return;
|
| 619 |
shortBuf[pos] = data; |
| 620 |
} |
| 621 |
|
| 622 |
public void replaceBandInt(int pos, int[][] data) { |
| 623 |
if(pos >= intBuf.length)
|
| 624 |
return;
|
| 625 |
intBuf[pos] = data; |
| 626 |
} |
| 627 |
|
| 628 |
public void replaceBandFloat(int pos, float[][] data) { |
| 629 |
if(pos >= floatBuf.length)
|
| 630 |
return;
|
| 631 |
floatBuf[pos] = data; |
| 632 |
} |
| 633 |
|
| 634 |
public void replaceBandDouble(int pos, double[][] data) { |
| 635 |
if(pos >= doubleBuf.length)
|
| 636 |
return;
|
| 637 |
doubleBuf[pos] = data; |
| 638 |
} |
| 639 |
|
| 640 |
/**
|
| 641 |
* Replica la banda de una posici?n sobre otra. Si la banda de destino no existe
|
| 642 |
* se crea nueva. Si la posici?n de la banda de destino est? intercalada entre bandas
|
| 643 |
* que ya existen las otras se desplazan hacia abajo, NO se machacan los datos de ninguna.
|
| 644 |
* Los datos se replican por referencia por lo que al modificar la banda original las
|
| 645 |
* del resto quedar?n afectadas.
|
| 646 |
* @param orig. Posici?n de la banda de origen.
|
| 647 |
* @param dest. Posici?n de la banda destino
|
| 648 |
*/
|
| 649 |
public void replicateBand(int orig, int dest){ |
| 650 |
copyBand(this, orig, dest);
|
| 651 |
} |
| 652 |
|
| 653 |
/**
|
| 654 |
* Copia una banda de una imagen desde una posici?n sobre otra en la imagen actual.
|
| 655 |
* Si la banda de destino no existe
|
| 656 |
* se crea nueva. Si la posici?n de la banda de destino est? intercalada entre bandas
|
| 657 |
* que ya existen las otras se desplazan hacia abajo, NO se machacan los datos de ninguna.
|
| 658 |
* Los datos se replican por referencia por lo que al modificar la banda original las
|
| 659 |
* del resto quedar?n afectadas.
|
| 660 |
* @param orig. Posici?n de la banda de origen.
|
| 661 |
* @param dest. Posici?n de la banda destino
|
| 662 |
*/
|
| 663 |
public void copyBand(RasterBuf from, int orig, int dest){ |
| 664 |
switch(getDataType()){
|
| 665 |
case RasterBuf.TYPE_BYTE: if(orig >= byteBuf.length) |
| 666 |
return;
|
| 667 |
addBandByte(dest, from.getBandByte(orig)); |
| 668 |
break;
|
| 669 |
case RasterBuf.TYPE_SHORT: if(orig >= shortBuf.length) |
| 670 |
return;
|
| 671 |
addBandShort(dest, from.getBandShort(orig)); |
| 672 |
break;
|
| 673 |
case RasterBuf.TYPE_INT: if(orig >= intBuf.length) |
| 674 |
return;
|
| 675 |
addBandInt(dest, from.getBandInt(orig)); |
| 676 |
break;
|
| 677 |
case RasterBuf.TYPE_FLOAT: if(orig >= floatBuf.length) |
| 678 |
return;
|
| 679 |
addBandFloat(dest, from.getBandFloat(orig)); |
| 680 |
break;
|
| 681 |
case RasterBuf.TYPE_DOUBLE: if(orig >= doubleBuf.length) |
| 682 |
return;
|
| 683 |
addBandDouble(dest, from.getBandDouble(orig)); |
| 684 |
break;
|
| 685 |
} |
| 686 |
} |
| 687 |
/**
|
| 688 |
* Convierte un tipo de dato a cadena
|
| 689 |
* @param type Tipo de dato
|
| 690 |
* @return cadena que representa el tipo de dato
|
| 691 |
*/
|
| 692 |
public static String typesToString(int type) { |
| 693 |
switch (type) {
|
| 694 |
case RasterBuf.TYPE_IMAGE:
|
| 695 |
return new String("Image"); |
| 696 |
|
| 697 |
case RasterBuf.TYPE_BYTE:
|
| 698 |
return new String("Byte"); |
| 699 |
|
| 700 |
case RasterBuf.TYPE_DOUBLE:
|
| 701 |
return new String("Double"); |
| 702 |
|
| 703 |
case RasterBuf.TYPE_FLOAT:
|
| 704 |
return new String("Float"); |
| 705 |
|
| 706 |
case RasterBuf.TYPE_INT:
|
| 707 |
return new String("Integer"); |
| 708 |
|
| 709 |
case RasterBuf.TYPE_USHORT:
|
| 710 |
case RasterBuf.TYPE_SHORT:
|
| 711 |
return new String("Short"); |
| 712 |
} |
| 713 |
|
| 714 |
return null; |
| 715 |
} |
| 716 |
|
| 717 |
/**
|
| 718 |
* Ajusta el raster al ancho y alto solicitado por el vecino m?s cercano.
|
| 719 |
* @param w Nuevo ancho
|
| 720 |
* @param h Nuevo alto
|
| 721 |
*/
|
| 722 |
public RasterBuf adjustRasterNearestNeighbour(int w, int h, int[] bands){ |
| 723 |
double stepX = (double)w / (double)width; |
| 724 |
double stepY = (double)h / (double)height; |
| 725 |
RasterBuf rasterBuf = new RasterBuf(getDataType(), w, h, getBandCount(), true); |
| 726 |
|
| 727 |
//Si bands == null las bandas a copiar son todas las de la imagen
|
| 728 |
if(bands == null){ |
| 729 |
bands = new int[rasterBuf.getBandCount()]; |
| 730 |
for(int iBand = 0; iBand < rasterBuf.getBandCount(); iBand ++) |
| 731 |
bands[iBand] = iBand; |
| 732 |
} |
| 733 |
|
| 734 |
switch (dataType) {
|
| 735 |
case RasterBuf.TYPE_IMAGE:
|
| 736 |
|
| 737 |
case RasterBuf.TYPE_BYTE:
|
| 738 |
for(int iBand = 0; iBand < bands.length; iBand ++){ |
| 739 |
if(w <= width){ //submuestreo |
| 740 |
for(int iRow = 0; iRow < height; iRow ++) |
| 741 |
for(int iCol = 0; iCol < width; iCol ++) |
| 742 |
rasterBuf.setElemByte((int)(iRow * stepY), (int)(iCol * stepX), bands[iBand], getElemByte(iRow, iCol, iBand)); |
| 743 |
}else{ //supermuestreo |
| 744 |
for(int iRow = 0; iRow < h; iRow ++) |
| 745 |
for(int iCol = 0; iCol < w; iCol ++) |
| 746 |
rasterBuf.setElemByte(iRow, iCol, bands[iBand], getElemByte((int)(iRow / stepY), (int)(iCol / stepX), iBand)); |
| 747 |
} |
| 748 |
} |
| 749 |
break;
|
| 750 |
case RasterBuf.TYPE_DOUBLE:
|
| 751 |
for(int iBand = 0; iBand < bands.length; iBand ++){ |
| 752 |
if(w <= width){ //submuestreo |
| 753 |
for(int iRow = 0; iRow < height; iRow ++) |
| 754 |
for(int iCol = 0; iCol < width; iCol ++) |
| 755 |
rasterBuf.setElemDouble((int)(iRow * stepY), (int)(iCol * stepX), bands[iBand], getElemDouble(iRow, iCol, iBand)); |
| 756 |
}else{ //supermuestreo |
| 757 |
for(int iRow = 0; iRow < h; iRow ++) |
| 758 |
for(int iCol = 0; iCol < w; iCol ++) |
| 759 |
rasterBuf.setElemDouble(iRow, iCol, bands[iBand], getElemDouble((int)(iRow / stepY), (int)(iCol / stepX), iBand)); |
| 760 |
} |
| 761 |
} |
| 762 |
break;
|
| 763 |
case RasterBuf.TYPE_FLOAT:
|
| 764 |
for(int iBand = 0; iBand < bands.length; iBand ++){ |
| 765 |
if(w <= width){ //submuestreo |
| 766 |
for(int iRow = 0; iRow < height; iRow ++) |
| 767 |
for(int iCol = 0; iCol < width; iCol ++) |
| 768 |
rasterBuf.setElemFloat((int)(iRow * stepY), (int)(iCol * stepX), bands[iBand], getElemFloat(iRow, iCol, iBand)); |
| 769 |
}else{ //supermuestreo |
| 770 |
for(int iRow = 0; iRow < h; iRow ++) |
| 771 |
for(int iCol = 0; iCol < w; iCol ++) |
| 772 |
rasterBuf.setElemFloat(iRow, iCol, bands[iBand], getElemFloat((int)(iRow / stepY), (int)(iCol / stepX), iBand)); |
| 773 |
} |
| 774 |
} |
| 775 |
break;
|
| 776 |
case RasterBuf.TYPE_INT:
|
| 777 |
for(int iBand = 0; iBand < bands.length; iBand ++){ |
| 778 |
if(w <= width){ //submuestreo |
| 779 |
for(int iRow = 0; iRow < height; iRow ++) |
| 780 |
for(int iCol = 0; iCol < width; iCol ++) |
| 781 |
rasterBuf.setElemInt((int)(iRow * stepY), (int)(iCol * stepX), bands[iBand], getElemInt(iRow, iCol, iBand)); |
| 782 |
}else{ //supermuestreo |
| 783 |
for(int iRow = 0; iRow < h; iRow ++) |
| 784 |
for(int iCol = 0; iCol < w; iCol ++) |
| 785 |
rasterBuf.setElemInt(iRow, iCol, bands[iBand], getElemInt((int)(iRow / stepY), (int)(iCol / stepX), iBand)); |
| 786 |
} |
| 787 |
} |
| 788 |
break;
|
| 789 |
case RasterBuf.TYPE_USHORT:
|
| 790 |
case RasterBuf.TYPE_SHORT:
|
| 791 |
for(int iBand = 0; iBand < bands.length; iBand ++){ |
| 792 |
if(w <= width){ //submuestreo |
| 793 |
for(int iRow = 0; iRow < height; iRow ++) |
| 794 |
for(int iCol = 0; iCol < width; iCol ++) |
| 795 |
rasterBuf.setElemShort((int)(iRow * stepY), (int)(iCol * stepX), bands[iBand], getElemShort(iRow, iCol, iBand)); |
| 796 |
}else{ //supermuestreo |
| 797 |
for(int iRow = 0; iRow < h; iRow ++) |
| 798 |
for(int iCol = 0; iCol < w; iCol ++) |
| 799 |
rasterBuf.setElemShort(iRow, iCol, bands[iBand], getElemShort((int)(iRow / stepY), (int)(iCol / stepX), iBand)); |
| 800 |
} |
| 801 |
} |
| 802 |
break;
|
| 803 |
} |
| 804 |
return rasterBuf;
|
| 805 |
} |
| 806 |
|
| 807 |
/**
|
| 808 |
* Salva a un formato soportado por GeoRasterWriter. El formato de destino
|
| 809 |
* est? soportado por la extensi?n del fichero seleccionado en el par?metro path.
|
| 810 |
* @param path Ruta al fichero de destino
|
| 811 |
* @param ex Extent
|
| 812 |
* @throws IOException
|
| 813 |
*/
|
| 814 |
public void save(String path, Extent ex) throws IOException { |
| 815 |
IDataWriter dataWriter = new WriterBufferServer(this); |
| 816 |
GeoRasterWriter grw = GeoRasterWriter.getWriter(dataWriter, |
| 817 |
path, |
| 818 |
height, //Tama?o de cada bloque le?do.
|
| 819 |
//Si ponemos el alto de la imagen la leer? toda de golpe
|
| 820 |
getBandCount(), |
| 821 |
ex, |
| 822 |
0,
|
| 823 |
width, |
| 824 |
height, |
| 825 |
getDataType()); |
| 826 |
grw.dataWrite(); |
| 827 |
grw.writeClose(); |
| 828 |
|
| 829 |
} |
| 830 |
|
| 831 |
/*
|
| 832 |
* (non-Javadoc)
|
| 833 |
* @see org.gvsig.fmap.driver.IBuffer#getNoDataValue()
|
| 834 |
*/
|
| 835 |
public double getNoDataValue(){ |
| 836 |
return noDataValue;
|
| 837 |
} |
| 838 |
|
| 839 |
/*
|
| 840 |
* (non-Javadoc)
|
| 841 |
* @see org.gvsig.fmap.driver.IBuffer#getByteNoDataValue()
|
| 842 |
*/
|
| 843 |
public byte getByteNoDataValue(){ |
| 844 |
return (byte)noDataValue; |
| 845 |
} |
| 846 |
|
| 847 |
/*
|
| 848 |
* (non-Javadoc)
|
| 849 |
* @see org.gvsig.fmap.driver.IBuffer#getShortNoDataValue()
|
| 850 |
*/
|
| 851 |
public short getShortNoDataValue(){ |
| 852 |
return (short)noDataValue; |
| 853 |
} |
| 854 |
|
| 855 |
/*
|
| 856 |
* (non-Javadoc)
|
| 857 |
* @see org.gvsig.fmap.driver.IBuffer#getIntNoDataValue()
|
| 858 |
*/
|
| 859 |
public int getIntNoDataValue(){ |
| 860 |
return (int)noDataValue; |
| 861 |
} |
| 862 |
|
| 863 |
/*
|
| 864 |
* (non-Javadoc)
|
| 865 |
* @see org.gvsig.fmap.driver.IBuffer#getFloatNoDataValue()
|
| 866 |
*/
|
| 867 |
public float getFloatNoDataValue(){ |
| 868 |
return (float)noDataValue; |
| 869 |
} |
| 870 |
|
| 871 |
/*
|
| 872 |
* (non-Javadoc)
|
| 873 |
* @see org.gvsig.fmap.driver.IBuffer#setNoDataValue(double)
|
| 874 |
*/
|
| 875 |
public void setNoDataValue(double nd){ |
| 876 |
noDataValue = nd; |
| 877 |
} |
| 878 |
|
| 879 |
public void assign(int band, byte value) { |
| 880 |
for(int line = 0; line < height; line ++) |
| 881 |
for(int col = 0; col < width; col ++) |
| 882 |
byteBuf[band][line][col] = value; |
| 883 |
} |
| 884 |
|
| 885 |
public void assign(int band, short value) { |
| 886 |
for(int line = 0; line < height; line ++) |
| 887 |
for(int col = 0; col < width; col ++) |
| 888 |
shortBuf[band][line][col] = value; |
| 889 |
} |
| 890 |
|
| 891 |
public void assign(int band, int value) { |
| 892 |
for(int line = 0; line < height; line ++) |
| 893 |
for(int col = 0; col < width; col ++) |
| 894 |
intBuf[band][line][col] = value; |
| 895 |
} |
| 896 |
|
| 897 |
public void assign(int band, float value) { |
| 898 |
for(int line = 0; line < height; line ++) |
| 899 |
for(int col = 0; col < width; col ++) |
| 900 |
floatBuf[band][line][col] = value; |
| 901 |
} |
| 902 |
|
| 903 |
public void assign(int band, double value) { |
| 904 |
for(int line = 0; line < height; line ++) |
| 905 |
for(int col = 0; col < width; col ++) |
| 906 |
doubleBuf[band][line][col] = value; |
| 907 |
} |
| 908 |
|
| 909 |
public void setToNoData(){ |
| 910 |
if (dataType == TYPE_BYTE) {
|
| 911 |
for (int iBand = 0; iBand < this.nBands; iBand++) { |
| 912 |
for(int line = 0; line < height; line ++) |
| 913 |
for(int col = 0; col < width; col ++) |
| 914 |
byteBuf[iBand][line][col] = (byte)noDataValue;
|
| 915 |
} |
| 916 |
} else if ((dataType == TYPE_SHORT) | (dataType == TYPE_USHORT)) { |
| 917 |
for (int iBand = 0; iBand < this.nBands; iBand++) { |
| 918 |
for(int line = 0; line < height; line ++) |
| 919 |
for(int col = 0; col < width; col ++) |
| 920 |
shortBuf[iBand][line][col] = (short)noDataValue;
|
| 921 |
} |
| 922 |
} else if (dataType == TYPE_INT) { |
| 923 |
for (int iBand = 0; iBand < this.nBands; iBand++) { |
| 924 |
for(int line = 0; line < height; line ++) |
| 925 |
for(int col = 0; col < width; col ++) |
| 926 |
intBuf[iBand][line][col] = (int)noDataValue;
|
| 927 |
} |
| 928 |
} else if (dataType == TYPE_FLOAT) { |
| 929 |
for (int iBand = 0; iBand < this.nBands; iBand++) { |
| 930 |
for(int line = 0; line < height; line ++) |
| 931 |
for(int col = 0; col < width; col ++) |
| 932 |
floatBuf[iBand][line][col] = (float)noDataValue;
|
| 933 |
} |
| 934 |
} else if (dataType == TYPE_DOUBLE) { |
| 935 |
for (int iBand = 0; iBand < this.nBands; iBand++) { |
| 936 |
for(int line = 0; line < height; line ++) |
| 937 |
for(int col = 0; col < width; col ++) |
| 938 |
doubleBuf[iBand][line][col] = noDataValue; |
| 939 |
} |
| 940 |
} |
| 941 |
|
| 942 |
} |
| 943 |
} |