gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.lib / org.gvsig.raster.lib.impl / src / main / java / org / gvsig / raster / impl / buffer / cache / PageBuffer.java @ 1419
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.raster.impl.buffer.cache; |
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import java.awt.geom.Rectangle2D; |
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import java.io.IOException; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.Band; |
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import org.gvsig.fmap.dal.coverage.datastruct.NoData; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.process.IncrementableTask; |
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import org.gvsig.fmap.dal.coverage.store.RasterDataStore; |
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import org.gvsig.fmap.dal.coverage.store.props.HistogramComputer; |
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import org.gvsig.raster.impl.buffer.BufferHistogramComputer; |
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import org.gvsig.raster.impl.buffer.BufferInterpolation; |
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import org.gvsig.raster.impl.process.RasterTask; |
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import org.gvsig.raster.impl.process.RasterTaskQueue; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.tools.visitor.Visitor; |
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/**
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* Esta clase representa una p?gina de cache.Cada p?gina de cach? est? compuesta por
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* varios objetos PageBandBuffer donde cada uno es una p?gina que corresponde a una
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* banda de raster cacheada.
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*
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*/
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public class PageBuffer implements Buffer { |
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private PageBandBuffer[] pageBandBuffer = null; |
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private double[] limits = null; |
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private HistogramComputer histogramComputer = null; |
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private BufferInterpolation interp = null; |
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/**
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* Constructor
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* @param dataType
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* @param width
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* @param height
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* @param bandNr
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* @param malloc
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*/
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public PageBuffer(int dataType, int width, int height, int bandNr, boolean malloc, int nHddPags) { |
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pageBandBuffer = new PageBandBuffer[bandNr];
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for (int i = 0; i < pageBandBuffer.length; i++) |
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pageBandBuffer[i] = new PageBandBuffer(dataType, width, height, 1, malloc, i); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.driver.Buffer#isBandSwitchable()
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*/
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public boolean isBandSwitchable() { |
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return false; |
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} |
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/**
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* Asigna la lista de paginas de disco
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* @param hddList Lista de p?ginas de disco
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*/
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public void setHddPages(HddPage[] hddList) { |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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pageBandBuffer[i].setHddPages(hddList); |
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} |
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/**
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* Carga una p?gina especificada en el par?metro nPag con los datos necesarios.
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* Para esto recorre todas las bandas de la p?gina llamando al load de cada una.
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*
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* @param nPag N?mero de p?gina a cargar
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*/
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public void loadPage(int nPag) { |
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for (int i = 0; i < pageBandBuffer.length; i++) { |
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try {
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pageBandBuffer[i].loadPage(nPag); |
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} catch (ProcessInterruptedException e) {
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//Cuando se cancela la carga de una p?gina salimos al acabar la p?gina anterior
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break;
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} |
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} |
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} |
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/**
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* Salva una p?gina especificada en el par?metro nPag a disco.
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* Para esto recorre todas las bandas de la p?gina llamando al save de cada una.
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*
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* @param nPag N?mero de p?gina a salvar
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* @throws IOException
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*/
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public void savePage(int nPag) throws IOException { |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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pageBandBuffer[i].savePage(nPag); |
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} |
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public void assign(int band, byte value) { |
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pageBandBuffer[band].assign(0, value);
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} |
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public void assign(int band, short value) { |
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pageBandBuffer[band].assign(0, value);
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} |
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public void assign(int band, int value) { |
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pageBandBuffer[band].assign(0, value);
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} |
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public void assign(int band, float value) { |
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pageBandBuffer[band].assign(0, value);
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} |
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public void assign(int band, double value) { |
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pageBandBuffer[band].assign(0, value);
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} |
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public void assignBand(int nBand, Band band) { |
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} |
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public void assignBandToNotValid(int Band) { |
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} |
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public Buffer cloneBuffer() { |
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return null; |
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} |
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public void copyBand(int nBand, Band band) { |
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} |
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public Band createBand(byte defaultValue) { |
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return null; |
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} |
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public Band getBand(int nBand) { |
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return null; |
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} |
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public Buffer getBandBuffer(int nBand) { |
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return null; |
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} |
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public int getBandCount() { |
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return pageBandBuffer[0].getBandCount(); |
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} |
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public int getDataType() { |
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return pageBandBuffer[0].getDataType(); |
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} |
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public void setDataType(int dataType) { |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.dataset.Buffer#getBlockHeight()
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*/
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public int getBlockHeight() { |
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return pageBandBuffer[0].getHeight(); |
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} |
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public int getHeight() { |
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return pageBandBuffer[0].getHeight(); |
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} |
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public int getWidth() { |
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return pageBandBuffer[0].getWidth(); |
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} |
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public NoData getNoDataValue() {
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return pageBandBuffer[0].getNoDataValue(); |
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} |
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public double getNotValidValue() { |
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return pageBandBuffer[0].getNotValidValue(); |
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} |
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public byte getElemByte(int line, int col, int band) { |
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return pageBandBuffer[band].getElemByte(line, col, 0); |
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} |
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public short getElemShort(int line, int col, int band) { |
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return pageBandBuffer[band].getElemShort(line, col, 0); |
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} |
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public int getElemInt(int line, int col, int band) { |
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return pageBandBuffer[band].getElemInt(line, col, 0); |
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} |
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public float getElemFloat(int line, int col, int band) { |
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return pageBandBuffer[band].getElemFloat(line, col, 0); |
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} |
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public double getElemDouble(int line, int col, int band) { |
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return pageBandBuffer[band].getElemDouble(line, col, 0); |
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} |
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public void getElemByte(int line, int col, byte[] data) { |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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data[i] = pageBandBuffer[i].getElemByte(line, col, 0);
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} |
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public void getElemShort(int line, int col, short[] data) { |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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data[i] = pageBandBuffer[i].getElemShort(line, col, 0);
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} |
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public void getElemInt(int line, int col, int[] data) { |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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data[i] = pageBandBuffer[i].getElemInt(line, col, 0);
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} |
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public void getElemFloat(int line, int col, float[] data) { |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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data[i] = pageBandBuffer[i].getElemFloat(line, col, 0);
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} |
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public void getElemDouble(int line, int col, double[] data) { |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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data[i] = pageBandBuffer[i].getElemDouble(line, col, 0);
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} |
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public byte[][] getLineByte(int line) { |
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byte[][] b = new byte[pageBandBuffer.length][]; |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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b[i] = pageBandBuffer[i].getLineByte(line)[0];
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return b;
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} |
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public double[][] getLineDouble(int line) { |
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double[][] d = new double[pageBandBuffer.length][]; |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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d[i] = pageBandBuffer[i].getLineDouble(line)[0];
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return d;
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} |
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public float[][] getLineFloat(int line) { |
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float[][] f = new float[pageBandBuffer.length][]; |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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f[i] = pageBandBuffer[i].getLineFloat(line)[0];
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return f;
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} |
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public int[][] getLineInt(int line) { |
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int[][] in = new int[pageBandBuffer.length][]; |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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in[i] = pageBandBuffer[i].getLineInt(line)[0];
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return in;
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} |
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public short[][] getLineShort(int line) { |
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short[][] s = new short[pageBandBuffer.length][]; |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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s[i] = pageBandBuffer[i].getLineShort(line)[0];
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return s;
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} |
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public byte[] getLineFromBandByte(int line, int band) { |
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return pageBandBuffer[band].getLineFromBandByte(line, 0); |
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} |
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public double[] getLineFromBandDouble(int line, int band) { |
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return pageBandBuffer[band].getLineFromBandDouble(line, 0); |
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} |
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public float[] getLineFromBandFloat(int line, int band) { |
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return pageBandBuffer[band].getLineFromBandFloat(line, 0); |
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} |
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public int[] getLineFromBandInt(int line, int band) { |
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return pageBandBuffer[band].getLineFromBandInt(line, 0); |
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} |
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public short[] getLineFromBandShort(int line, int band) { |
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return pageBandBuffer[band].getLineFromBandShort(line, 0); |
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} |
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public void interchangeBands(int band1, int band2) { |
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} |
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public void mallocOneBand(int dataType, int width, int height, int band) { |
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} |
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public void replicateBand(int orig, int dest) { |
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} |
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public void setElem(int line, int col, int band, byte data) { |
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pageBandBuffer[band].setElem(line, col, 0, data);
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} |
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public void setElem(int line, int col, int band, short data) { |
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pageBandBuffer[band].setElem(line, col, 0, data);
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} |
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public void setElem(int line, int col, int band, int data) { |
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pageBandBuffer[band].setElem(line, col, 0, data);
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} |
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public void setElem(int line, int col, int band, float data) { |
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pageBandBuffer[band].setElem(line, col, 0, data);
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} |
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public void setElem(int line, int col, int band, double data) { |
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pageBandBuffer[band].setElem(line, col, 0, data);
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} |
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public void setElemByte(int line, int col, byte[] data) { |
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byte[] b = new byte[1]; |
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for (int i = 0; i < pageBandBuffer.length; i++) { |
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b[0] = data[i];
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pageBandBuffer[i].setElemByte(line, col, b); |
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} |
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} |
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public void setElemDouble(int line, int col, double[] data) { |
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double[] b = new double[1]; |
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for (int i = 0; i < pageBandBuffer.length; i++) { |
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b[0] = data[i];
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pageBandBuffer[i].setElemDouble(line, col, b); |
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} |
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} |
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public void setElemFloat(int line, int col, float[] data) { |
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float[] b = new float[1]; |
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for (int i = 0; i < pageBandBuffer.length; i++) { |
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b[0] = data[i];
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pageBandBuffer[i].setElemFloat(line, col, b); |
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} |
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} |
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public void setElemInt(int line, int col, int[] data) { |
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int[] b = new int[1]; |
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for (int i = 0; i < pageBandBuffer.length; i++) { |
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b[0] = data[i];
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pageBandBuffer[i].setElemInt(line, col, b); |
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} |
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} |
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public void setElemShort(int line, int col, short[] data) { |
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short[] b = new short[1]; |
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for (int i = 0; i < pageBandBuffer.length; i++) { |
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b[0] = data[i];
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pageBandBuffer[i].setElemShort(line, col, b); |
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} |
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} |
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public void setLineByte(byte[][] data, int line) { |
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byte[][] bAux = new byte[1][]; |
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for (int i = 0; i < pageBandBuffer.length; i++) { |
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bAux[0] = data[i];
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pageBandBuffer[i].setLineByte(bAux, line); |
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} |
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} |
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public void setLineDouble(double[][] data, int line) { |
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double[][] bAux = new double[1][]; |
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for (int i = 0; i < pageBandBuffer.length; i++) { |
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bAux[0] = data[i];
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pageBandBuffer[i].setLineDouble(bAux, line); |
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} |
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} |
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public void setLineFloat(float[][] data, int line) { |
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float[][] bAux = new float[1][]; |
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for (int i = 0; i < pageBandBuffer.length; i++) { |
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bAux[0] = data[i];
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pageBandBuffer[i].setLineFloat(bAux, line); |
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} |
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} |
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public void setLineInt(int[][] data, int line) { |
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int[][] bAux = new int[1][]; |
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for (int i = 0; i < pageBandBuffer.length; i++) { |
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bAux[0] = data[i];
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pageBandBuffer[i].setLineInt(bAux, line); |
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} |
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} |
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public void setLineShort(short[][] data, int line) { |
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short[][] bAux = new short[1][]; |
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for (int i = 0; i < pageBandBuffer.length; i++) { |
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bAux[0] = data[i];
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pageBandBuffer[i].setLineShort(bAux, line); |
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} |
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} |
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public void setLineInBandByte(byte[] data, int line, int band) { |
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pageBandBuffer[band].setLineInBandByte(data, line, 0);
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} |
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public void setLineInBandDouble(double[] data, int line, int band) { |
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pageBandBuffer[band].setLineInBandDouble(data, line, 0);
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} |
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public void setLineInBandFloat(float[] data, int line, int band) { |
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pageBandBuffer[band].setLineInBandFloat(data, line, 0);
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} |
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public void setLineInBandInt(int[] data, int line, int band) { |
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pageBandBuffer[band].setLineInBandInt(data, line, 0);
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} |
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public void setLineInBandShort(short[] data, int line, int band) { |
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pageBandBuffer[band].setLineInBandShort(data, line, 0);
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} |
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|
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public void setNoDataValue(NoData nd) { |
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for (int i = 0; i < pageBandBuffer.length; i++) |
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pageBandBuffer[0].setNoDataValue(nd);
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} |
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|
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public void setNotValidValue(double value) { |
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} |
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|
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public void switchBands(int[] bands) { |
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} |
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|
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.store.props.Histogram#getMinimum()
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*/
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public double getMinimum() { |
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if(limits == null) |
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try {
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limits = getLimits(); |
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} catch (ProcessInterruptedException e) {
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return 0; |
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} |
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return limits[0]; |
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} |
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|
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.store.props.Histogram#getMaximum()
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*/
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public double getMaximum() { |
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if(limits == null) |
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try {
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limits = getLimits(); |
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} catch (ProcessInterruptedException e) {
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return 0; |
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} |
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return limits[1]; |
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} |
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|
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/*
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* (non-Javadoc)
|
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* @see org.gvsig.fmap.dal.coverage.dataset.Buffer#getLimits()
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*/
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public double[] getLimits() throws ProcessInterruptedException { |
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RasterTask task = RasterTaskQueue.get(Thread.currentThread().getId() + ""); |
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double max = Double.NEGATIVE_INFINITY; |
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double secondMax = max;
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double min = Double.MAX_VALUE; |
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double secondMin = min;
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double value = 0; |
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|
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switch (getDataType()) {
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case Buffer.TYPE_BYTE: |
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for (int i = 0; i < getBandCount(); i++) { |
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for (int r = 0; r < getHeight(); r++) { |
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for (int c = 0; c < getWidth(); c++) { |
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value = (double) (getElemByte(r, c, i) & 0xff); |
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if (value > max) {
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if (max != value)
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secondMax = max; |
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max = value; |
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} |
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if (value < min) {
|
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if (min != value)
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secondMin = min; |
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min = value; |
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} |
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} |
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if (task.getEvent() != null) |
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task.manageEvent(task.getEvent()); |
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} |
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} |
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break;
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case Buffer.TYPE_SHORT: |
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for (int i = 0; i < getBandCount(); i++) { |
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for (int r = 0; r < getHeight(); r++) { |
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for (int c = 0; c < getWidth(); c++) { |
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value = (double) getElemShort(r, c, i);
|
517 |
if (value > max) {
|
518 |
if (max != value)
|
519 |
secondMax = max; |
520 |
max = value; |
521 |
} |
522 |
if (value < min) {
|
523 |
if (min != value)
|
524 |
secondMin = min; |
525 |
min = value; |
526 |
} |
527 |
} |
528 |
if (task.getEvent() != null) |
529 |
task.manageEvent(task.getEvent()); |
530 |
} |
531 |
} |
532 |
break;
|
533 |
case Buffer.TYPE_INT: |
534 |
for (int i = 0; i < getBandCount(); i++) { |
535 |
for (int r = 0; r < getHeight(); r++) { |
536 |
for (int c = 0; c < getWidth(); c++) { |
537 |
value = (double) getElemInt(r, c, i);
|
538 |
if (value > max) {
|
539 |
if (max != value)
|
540 |
secondMax = max; |
541 |
max = value; |
542 |
} |
543 |
if (value < min) {
|
544 |
if (min != value)
|
545 |
secondMin = min; |
546 |
min = value; |
547 |
} |
548 |
} |
549 |
if (task.getEvent() != null) |
550 |
task.manageEvent(task.getEvent()); |
551 |
} |
552 |
} |
553 |
break;
|
554 |
case Buffer.TYPE_FLOAT: |
555 |
for (int i = 0; i < getBandCount(); i++) { |
556 |
for (int r = 0; r < getHeight(); r++) { |
557 |
for (int c = 0; c < getWidth(); c++) { |
558 |
value = (double) getElemFloat(r, c, i);
|
559 |
if (value > max) {
|
560 |
if (max != value)
|
561 |
secondMax = max; |
562 |
max = value; |
563 |
} |
564 |
if (value < min) {
|
565 |
if (min != value)
|
566 |
secondMin = min; |
567 |
min = value; |
568 |
} |
569 |
} |
570 |
if (task.getEvent() != null) |
571 |
task.manageEvent(task.getEvent()); |
572 |
} |
573 |
} |
574 |
break;
|
575 |
case Buffer.TYPE_DOUBLE: |
576 |
for (int i = 0; i < getBandCount(); i++) { |
577 |
for (int r = 0; r < getHeight(); r++) { |
578 |
for (int c = 0; c < getWidth(); c++) { |
579 |
value = getElemDouble(r, c, i); |
580 |
if (value > max) {
|
581 |
if (max != value)
|
582 |
secondMax = max; |
583 |
max = value; |
584 |
} |
585 |
if (value < min) {
|
586 |
if (min != value)
|
587 |
secondMin = min; |
588 |
min = value; |
589 |
} |
590 |
} |
591 |
if (task.getEvent() != null) |
592 |
task.manageEvent(task.getEvent()); |
593 |
} |
594 |
} |
595 |
break;
|
596 |
} |
597 |
// Si no existe un secondMax lo igualo al maximo existente
|
598 |
if (secondMax == Double.NEGATIVE_INFINITY) |
599 |
secondMax = max; |
600 |
// Si no existe un secondMin lo igualo al minimo existente
|
601 |
if (secondMin == Double.MAX_VALUE) |
602 |
secondMin = min; |
603 |
|
604 |
double[] values = new double[2]; |
605 |
values[0] = min;
|
606 |
values[1] = max;
|
607 |
values[2] = secondMin;
|
608 |
values[3] = secondMax;
|
609 |
return values;
|
610 |
} |
611 |
|
612 |
/*
|
613 |
* (non-Javadoc)
|
614 |
* @see org.gvsig.fmap.dal.coverage.dataset.Buffer#getAllBandsLimits()
|
615 |
*/
|
616 |
public double[][] getAllBandsLimits() throws ProcessInterruptedException { |
617 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().getId() + ""); |
618 |
double max[] = new double[getBandCount()]; |
619 |
double min[] = new double[getBandCount()]; |
620 |
double value = 0; |
621 |
|
622 |
for (int i = 0; i < getBandCount(); i++) { |
623 |
max[i] = Double.NEGATIVE_INFINITY;
|
624 |
min[i] = Double.MAX_VALUE;
|
625 |
} |
626 |
|
627 |
switch (getDataType()) {
|
628 |
case Buffer.TYPE_BYTE: |
629 |
for (int i = 0; i < getBandCount(); i++) { |
630 |
for (int r = 0; r < getHeight(); r++) { |
631 |
for (int c = 0; c < getWidth(); c++) { |
632 |
value = (double) (getElemByte(r, c, i) & 0xff); |
633 |
if (value > max[i])
|
634 |
max[i] = value; |
635 |
if (value < min[i])
|
636 |
min[i] = value; |
637 |
} |
638 |
if (task.getEvent() != null) |
639 |
task.manageEvent(task.getEvent()); |
640 |
} |
641 |
} |
642 |
break;
|
643 |
case Buffer.TYPE_SHORT: |
644 |
for (int i = 0; i < getBandCount(); i++) { |
645 |
for (int r = 0; r < getHeight(); r++) { |
646 |
for (int c = 0; c < getWidth(); c++) { |
647 |
value = (double) getElemShort(r, c, i);
|
648 |
if (value > max[i])
|
649 |
max[i] = value; |
650 |
if (value < min[i])
|
651 |
min[i] = value; |
652 |
} |
653 |
if (task.getEvent() != null) |
654 |
task.manageEvent(task.getEvent()); |
655 |
} |
656 |
} |
657 |
break;
|
658 |
case Buffer.TYPE_INT: |
659 |
for (int i = 0; i < getBandCount(); i++) { |
660 |
for (int r = 0; r < getHeight(); r++) { |
661 |
for (int c = 0; c < getWidth(); c++) { |
662 |
value = (double) getElemInt(r, c, i);
|
663 |
if (value > max[i])
|
664 |
max[i] = value; |
665 |
if (value < min[i])
|
666 |
min[i] = value; |
667 |
} |
668 |
if (task.getEvent() != null) |
669 |
task.manageEvent(task.getEvent()); |
670 |
} |
671 |
} |
672 |
break;
|
673 |
case Buffer.TYPE_FLOAT: |
674 |
for (int i = 0; i < getBandCount(); i++) { |
675 |
for (int r = 0; r < getHeight(); r++) { |
676 |
for (int c = 0; c < getWidth(); c++) { |
677 |
value = (double) getElemFloat(r, c, i);
|
678 |
if (value > max[i])
|
679 |
max[i] = value; |
680 |
if (value < min[i])
|
681 |
min[i] = value; |
682 |
} |
683 |
if (task.getEvent() != null) |
684 |
task.manageEvent(task.getEvent()); |
685 |
} |
686 |
} |
687 |
break;
|
688 |
case Buffer.TYPE_DOUBLE: |
689 |
for (int i = 0; i < getBandCount(); i++) { |
690 |
for (int r = 0; r < getHeight(); r++) { |
691 |
for (int c = 0; c < getWidth(); c++) { |
692 |
value = getElemDouble(r, c, i); |
693 |
if (value > max[i])
|
694 |
max[i] = value; |
695 |
if (value < min[i])
|
696 |
min[i] = value; |
697 |
} |
698 |
if (task.getEvent() != null) |
699 |
task.manageEvent(task.getEvent()); |
700 |
} |
701 |
} |
702 |
break;
|
703 |
} |
704 |
double[][] values = new double[2][getBandCount()]; |
705 |
|
706 |
for (int i = 0; i < getBandCount(); i++) { |
707 |
values[0][i] = min[i];
|
708 |
values[1][i] = max[i];
|
709 |
} |
710 |
return values;
|
711 |
} |
712 |
|
713 |
/*
|
714 |
* (non-Javadoc)
|
715 |
* @see org.gvsig.fmap.dal.coverage.store.props.Histogramable#getHistogramComputer()
|
716 |
*/
|
717 |
public HistogramComputer getHistogramComputer() {
|
718 |
if(histogramComputer == null) |
719 |
histogramComputer = new BufferHistogramComputer(this); |
720 |
return histogramComputer;
|
721 |
} |
722 |
|
723 |
/*
|
724 |
* (non-Javadoc)
|
725 |
* @see org.gvsig.raster.dataset.Buffer#isInside(int, int)
|
726 |
*/
|
727 |
public boolean isInside(int x, int y) { |
728 |
if (x < 0 || y < 0 || x >= getWidth() || y >= getHeight()) |
729 |
return false; |
730 |
return true; |
731 |
} |
732 |
|
733 |
/*
|
734 |
* (non-Javadoc)
|
735 |
* @see org.gvsig.fmap.dal.coverage.dataset.Buffer#isReadOnlyBuffer()
|
736 |
*/
|
737 |
public boolean isReadOnlyBuffer() { |
738 |
return false; |
739 |
} |
740 |
|
741 |
/*
|
742 |
* (non-Javadoc)
|
743 |
* @see org.gvsig.fmap.dal.coverage.dataset.Buffer#isCached()
|
744 |
*/
|
745 |
public boolean isCached() { |
746 |
return false; |
747 |
} |
748 |
|
749 |
/*
|
750 |
* (non-Javadoc)
|
751 |
* @see org.gvsig.fmap.dal.coverage.dataset.Buffer#getIncrementableTask()
|
752 |
*/
|
753 |
public IncrementableTask getIncrementableTask(int type) { |
754 |
switch (type) {
|
755 |
case INCREMENTABLE_INTERPOLATION:
|
756 |
return getBufferInterpolation();
|
757 |
case INCREMENTABLE_HISTOGRAM:
|
758 |
return getHistogramComputer();
|
759 |
} |
760 |
return null; |
761 |
} |
762 |
|
763 |
/**
|
764 |
* Gets the buffer interpolation
|
765 |
* @return
|
766 |
*/
|
767 |
private BufferInterpolation getBufferInterpolation() {
|
768 |
if(interp == null) |
769 |
interp = new BufferInterpolation(this); |
770 |
return interp;
|
771 |
} |
772 |
|
773 |
/*
|
774 |
* (non-Javadoc)
|
775 |
* @see org.gvsig.fmap.dal.coverage.buffer.Buffer#getAdjustedWindow(int, int, int)
|
776 |
*/
|
777 |
public Buffer getAdjustedWindow(int w, int h, int interpolationMethod) throws ProcessInterruptedException { |
778 |
getBufferInterpolation(); |
779 |
if (w == getWidth() && h == getHeight())
|
780 |
return this; |
781 |
Buffer rasterBuf = null; |
782 |
switch (interpolationMethod) {
|
783 |
case Buffer.INTERPOLATION_NearestNeighbour: |
784 |
rasterBuf = interp.adjustRasterNearestNeighbourInterpolation(w, h); |
785 |
break;
|
786 |
case Buffer.INTERPOLATION_Bilinear: |
787 |
rasterBuf = interp.adjustRasterBilinearInterpolation(w, h); |
788 |
break;
|
789 |
case Buffer.INTERPOLATION_InverseDistance: |
790 |
rasterBuf = interp.adjustRasterInverseDistanceInterpolation(w, h); |
791 |
break;
|
792 |
case Buffer.INTERPOLATION_BicubicSpline: |
793 |
rasterBuf = interp.adjustRasterBicubicSplineInterpolation(w, h); |
794 |
break;
|
795 |
case Buffer.INTERPOLATION_BSpline: |
796 |
rasterBuf = interp.adjustRasterBSplineInterpolation(w, h); |
797 |
break;
|
798 |
} |
799 |
if (rasterBuf != null) |
800 |
return rasterBuf;
|
801 |
else
|
802 |
return this; |
803 |
} |
804 |
|
805 |
public Rectangle2D getDataExtent() { |
806 |
// TODO Auto-generated method stub
|
807 |
return null; |
808 |
} |
809 |
|
810 |
public void setDataExtent(Rectangle2D r) { |
811 |
// TODO Auto-generated method stub
|
812 |
} |
813 |
|
814 |
public RasterDataStore getStore() {
|
815 |
return null; |
816 |
} |
817 |
|
818 |
public void setStore(RasterDataStore store) { |
819 |
} |
820 |
|
821 |
public void addDrawableBands(int[] db) {} |
822 |
|
823 |
//****************************************************
|
824 |
//*********Implementing DataSet methods***************
|
825 |
//****************************************************
|
826 |
|
827 |
/*
|
828 |
* (non-Javadoc)
|
829 |
* @see org.gvsig.fmap.dal.DataSet#isFromStore(org.gvsig.fmap.dal.DataStore)
|
830 |
*/
|
831 |
public boolean isFromStore(DataStore store) { |
832 |
// TODO Auto-generated method stub
|
833 |
return false; |
834 |
} |
835 |
|
836 |
//****************************************************
|
837 |
//*********Implementing Visitable methods*************
|
838 |
//****************************************************
|
839 |
|
840 |
/*
|
841 |
* (non-Javadoc)
|
842 |
* @see org.gvsig.tools.visitor.Visitable#accept(org.gvsig.tools.visitor.Visitor)
|
843 |
*/
|
844 |
public void accept(Visitor visitor) throws BaseException { |
845 |
// TODO Auto-generated method stub
|
846 |
|
847 |
} |
848 |
|
849 |
//****************************************************
|
850 |
//*********Implementing Disposable methods************
|
851 |
//****************************************************
|
852 |
|
853 |
/*
|
854 |
* (non-Javadoc)
|
855 |
* @see org.gvsig.tools.dispose.Disposable#dispose()
|
856 |
*/
|
857 |
public void dispose() { |
858 |
if(pageBandBuffer != null) { |
859 |
for (int i = 0; i < pageBandBuffer.length; i++) { |
860 |
pageBandBuffer[i].dispose(); |
861 |
} |
862 |
} |
863 |
try {
|
864 |
finalize(); |
865 |
} catch (Throwable e) { |
866 |
} |
867 |
} |
868 |
|
869 |
/*
|
870 |
* (non-Javadoc)
|
871 |
* @see java.lang.Object#finalize()
|
872 |
*/
|
873 |
protected void finalize() throws Throwable { |
874 |
limits = null;
|
875 |
histogramComputer = null;
|
876 |
if(pageBandBuffer != null) { |
877 |
for (int i = 0; i < pageBandBuffer.length; i++) { |
878 |
pageBandBuffer[i] = null;
|
879 |
} |
880 |
pageBandBuffer = null;
|
881 |
} |
882 |
limits = null;
|
883 |
super.finalize();
|
884 |
} |
885 |
} |