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 @ 2623
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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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/**
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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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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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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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|
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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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|
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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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|
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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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|
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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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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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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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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; |
| 456 |
|
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switch (getDataType()) {
|
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case Buffer.TYPE_BYTE: |
| 459 |
for (int i = 0; i < getBandCount(); i++) { |
| 460 |
for (int r = 0; r < getHeight(); r++) { |
| 461 |
for (int c = 0; c < getWidth(); c++) { |
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value = (double) (getElemByte(r, c, i) & 0xff); |
| 463 |
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++) { |
| 481 |
for (int r = 0; r < getHeight(); r++) { |
| 482 |
for (int c = 0; c < getWidth(); c++) { |
| 483 |
value = (double) getElemShort(r, c, i);
|
| 484 |
if (value > max) {
|
| 485 |
if (max != value)
|
| 486 |
secondMax = max; |
| 487 |
max = value; |
| 488 |
} |
| 489 |
if (value < min) {
|
| 490 |
if (min != value)
|
| 491 |
secondMin = min; |
| 492 |
min = value; |
| 493 |
} |
| 494 |
} |
| 495 |
if (task.getEvent() != null) |
| 496 |
task.manageEvent(task.getEvent()); |
| 497 |
} |
| 498 |
} |
| 499 |
break;
|
| 500 |
case Buffer.TYPE_INT: |
| 501 |
for (int i = 0; i < getBandCount(); i++) { |
| 502 |
for (int r = 0; r < getHeight(); r++) { |
| 503 |
for (int c = 0; c < getWidth(); c++) { |
| 504 |
value = (double) getElemInt(r, c, i);
|
| 505 |
if (value > max) {
|
| 506 |
if (max != value)
|
| 507 |
secondMax = max; |
| 508 |
max = value; |
| 509 |
} |
| 510 |
if (value < min) {
|
| 511 |
if (min != value)
|
| 512 |
secondMin = min; |
| 513 |
min = value; |
| 514 |
} |
| 515 |
} |
| 516 |
if (task.getEvent() != null) |
| 517 |
task.manageEvent(task.getEvent()); |
| 518 |
} |
| 519 |
} |
| 520 |
break;
|
| 521 |
case Buffer.TYPE_FLOAT: |
| 522 |
for (int i = 0; i < getBandCount(); i++) { |
| 523 |
for (int r = 0; r < getHeight(); r++) { |
| 524 |
for (int c = 0; c < getWidth(); c++) { |
| 525 |
value = (double) getElemFloat(r, c, i);
|
| 526 |
if (value > max) {
|
| 527 |
if (max != value)
|
| 528 |
secondMax = max; |
| 529 |
max = value; |
| 530 |
} |
| 531 |
if (value < min) {
|
| 532 |
if (min != value)
|
| 533 |
secondMin = min; |
| 534 |
min = value; |
| 535 |
} |
| 536 |
} |
| 537 |
if (task.getEvent() != null) |
| 538 |
task.manageEvent(task.getEvent()); |
| 539 |
} |
| 540 |
} |
| 541 |
break;
|
| 542 |
case Buffer.TYPE_DOUBLE: |
| 543 |
for (int i = 0; i < getBandCount(); i++) { |
| 544 |
for (int r = 0; r < getHeight(); r++) { |
| 545 |
for (int c = 0; c < getWidth(); c++) { |
| 546 |
value = getElemDouble(r, c, i); |
| 547 |
if (value > max) {
|
| 548 |
if (max != value)
|
| 549 |
secondMax = max; |
| 550 |
max = value; |
| 551 |
} |
| 552 |
if (value < min) {
|
| 553 |
if (min != value)
|
| 554 |
secondMin = min; |
| 555 |
min = value; |
| 556 |
} |
| 557 |
} |
| 558 |
if (task.getEvent() != null) |
| 559 |
task.manageEvent(task.getEvent()); |
| 560 |
} |
| 561 |
} |
| 562 |
break;
|
| 563 |
} |
| 564 |
// Si no existe un secondMax lo igualo al maximo existente
|
| 565 |
if (secondMax == Double.NEGATIVE_INFINITY) |
| 566 |
secondMax = max; |
| 567 |
// Si no existe un secondMin lo igualo al minimo existente
|
| 568 |
if (secondMin == Double.MAX_VALUE) |
| 569 |
secondMin = min; |
| 570 |
|
| 571 |
double[] values = new double[2]; |
| 572 |
values[0] = min;
|
| 573 |
values[1] = max;
|
| 574 |
values[2] = secondMin;
|
| 575 |
values[3] = secondMax;
|
| 576 |
return values;
|
| 577 |
} |
| 578 |
|
| 579 |
public double[][] getAllBandsLimits() throws ProcessInterruptedException { |
| 580 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().getId() + ""); |
| 581 |
double max[] = new double[getBandCount()]; |
| 582 |
double min[] = new double[getBandCount()]; |
| 583 |
double value = 0; |
| 584 |
|
| 585 |
for (int i = 0; i < getBandCount(); i++) { |
| 586 |
max[i] = Double.NEGATIVE_INFINITY;
|
| 587 |
min[i] = Double.MAX_VALUE;
|
| 588 |
} |
| 589 |
|
| 590 |
switch (getDataType()) {
|
| 591 |
case Buffer.TYPE_BYTE: |
| 592 |
for (int i = 0; i < getBandCount(); i++) { |
| 593 |
for (int r = 0; r < getHeight(); r++) { |
| 594 |
for (int c = 0; c < getWidth(); c++) { |
| 595 |
value = (double) (getElemByte(r, c, i) & 0xff); |
| 596 |
if (value > max[i])
|
| 597 |
max[i] = value; |
| 598 |
if (value < min[i])
|
| 599 |
min[i] = value; |
| 600 |
} |
| 601 |
if (task.getEvent() != null) |
| 602 |
task.manageEvent(task.getEvent()); |
| 603 |
} |
| 604 |
} |
| 605 |
break;
|
| 606 |
case Buffer.TYPE_SHORT: |
| 607 |
for (int i = 0; i < getBandCount(); i++) { |
| 608 |
for (int r = 0; r < getHeight(); r++) { |
| 609 |
for (int c = 0; c < getWidth(); c++) { |
| 610 |
value = (double) getElemShort(r, c, i);
|
| 611 |
if (value > max[i])
|
| 612 |
max[i] = value; |
| 613 |
if (value < min[i])
|
| 614 |
min[i] = value; |
| 615 |
} |
| 616 |
if (task.getEvent() != null) |
| 617 |
task.manageEvent(task.getEvent()); |
| 618 |
} |
| 619 |
} |
| 620 |
break;
|
| 621 |
case Buffer.TYPE_INT: |
| 622 |
for (int i = 0; i < getBandCount(); i++) { |
| 623 |
for (int r = 0; r < getHeight(); r++) { |
| 624 |
for (int c = 0; c < getWidth(); c++) { |
| 625 |
value = (double) getElemInt(r, c, i);
|
| 626 |
if (value > max[i])
|
| 627 |
max[i] = value; |
| 628 |
if (value < min[i])
|
| 629 |
min[i] = value; |
| 630 |
} |
| 631 |
if (task.getEvent() != null) |
| 632 |
task.manageEvent(task.getEvent()); |
| 633 |
} |
| 634 |
} |
| 635 |
break;
|
| 636 |
case Buffer.TYPE_FLOAT: |
| 637 |
for (int i = 0; i < getBandCount(); i++) { |
| 638 |
for (int r = 0; r < getHeight(); r++) { |
| 639 |
for (int c = 0; c < getWidth(); c++) { |
| 640 |
value = (double) getElemFloat(r, c, i);
|
| 641 |
if (value > max[i])
|
| 642 |
max[i] = value; |
| 643 |
if (value < min[i])
|
| 644 |
min[i] = value; |
| 645 |
} |
| 646 |
if (task.getEvent() != null) |
| 647 |
task.manageEvent(task.getEvent()); |
| 648 |
} |
| 649 |
} |
| 650 |
break;
|
| 651 |
case Buffer.TYPE_DOUBLE: |
| 652 |
for (int i = 0; i < getBandCount(); i++) { |
| 653 |
for (int r = 0; r < getHeight(); r++) { |
| 654 |
for (int c = 0; c < getWidth(); c++) { |
| 655 |
value = getElemDouble(r, c, i); |
| 656 |
if (value > max[i])
|
| 657 |
max[i] = value; |
| 658 |
if (value < min[i])
|
| 659 |
min[i] = value; |
| 660 |
} |
| 661 |
if (task.getEvent() != null) |
| 662 |
task.manageEvent(task.getEvent()); |
| 663 |
} |
| 664 |
} |
| 665 |
break;
|
| 666 |
} |
| 667 |
double[][] values = new double[2][getBandCount()]; |
| 668 |
|
| 669 |
for (int i = 0; i < getBandCount(); i++) { |
| 670 |
values[0][i] = min[i];
|
| 671 |
values[1][i] = max[i];
|
| 672 |
} |
| 673 |
return values;
|
| 674 |
} |
| 675 |
|
| 676 |
public HistogramComputer getHistogramComputer() {
|
| 677 |
if(histogramComputer == null) |
| 678 |
histogramComputer = new BufferHistogramComputer(this); |
| 679 |
return histogramComputer;
|
| 680 |
} |
| 681 |
|
| 682 |
public boolean isInside(int x, int y) { |
| 683 |
if (x < 0 || y < 0 || x >= getWidth() || y >= getHeight()) |
| 684 |
return false; |
| 685 |
return true; |
| 686 |
} |
| 687 |
|
| 688 |
public boolean isReadOnlyBuffer() { |
| 689 |
return false; |
| 690 |
} |
| 691 |
|
| 692 |
public boolean isCached() { |
| 693 |
return false; |
| 694 |
} |
| 695 |
|
| 696 |
public IncrementableTask getIncrementableTask(int type) { |
| 697 |
switch (type) {
|
| 698 |
case INCREMENTABLE_INTERPOLATION:
|
| 699 |
return getBufferInterpolation();
|
| 700 |
case INCREMENTABLE_HISTOGRAM:
|
| 701 |
return getHistogramComputer();
|
| 702 |
} |
| 703 |
return null; |
| 704 |
} |
| 705 |
|
| 706 |
/**
|
| 707 |
* Gets the buffer interpolation
|
| 708 |
* @return
|
| 709 |
*/
|
| 710 |
private BufferInterpolation getBufferInterpolation() {
|
| 711 |
if(interp == null) |
| 712 |
interp = new BufferInterpolation(this); |
| 713 |
return interp;
|
| 714 |
} |
| 715 |
|
| 716 |
public Buffer getAdjustedWindow(int w, int h, int interpolationMethod) throws ProcessInterruptedException { |
| 717 |
getBufferInterpolation(); |
| 718 |
if (w == getWidth() && h == getHeight())
|
| 719 |
return this; |
| 720 |
Buffer rasterBuf = null; |
| 721 |
switch (interpolationMethod) {
|
| 722 |
case Buffer.INTERPOLATION_NearestNeighbour: |
| 723 |
rasterBuf = interp.adjustRasterNearestNeighbourInterpolation(w, h); |
| 724 |
break;
|
| 725 |
case Buffer.INTERPOLATION_Bilinear: |
| 726 |
rasterBuf = interp.adjustRasterBilinearInterpolation(w, h); |
| 727 |
break;
|
| 728 |
case Buffer.INTERPOLATION_InverseDistance: |
| 729 |
rasterBuf = interp.adjustRasterInverseDistanceInterpolation(w, h); |
| 730 |
break;
|
| 731 |
case Buffer.INTERPOLATION_BicubicSpline: |
| 732 |
rasterBuf = interp.adjustRasterBicubicSplineInterpolation(w, h); |
| 733 |
break;
|
| 734 |
case Buffer.INTERPOLATION_BSpline: |
| 735 |
rasterBuf = interp.adjustRasterBSplineInterpolation(w, h); |
| 736 |
break;
|
| 737 |
} |
| 738 |
if (rasterBuf != null) |
| 739 |
return rasterBuf;
|
| 740 |
else
|
| 741 |
return this; |
| 742 |
} |
| 743 |
|
| 744 |
public Rectangle2D getDataExtent() { |
| 745 |
return null; |
| 746 |
} |
| 747 |
|
| 748 |
public void setDataExtent(Rectangle2D r) { |
| 749 |
} |
| 750 |
|
| 751 |
public RasterDataStore getStore() {
|
| 752 |
return null; |
| 753 |
} |
| 754 |
|
| 755 |
public void setStore(RasterDataStore store) { |
| 756 |
} |
| 757 |
|
| 758 |
public void addDrawableBands(int[] db) {} |
| 759 |
|
| 760 |
//****************************************************
|
| 761 |
//*********Implementing DataSet methods***************
|
| 762 |
//****************************************************
|
| 763 |
|
| 764 |
public boolean isFromStore(DataStore store) { |
| 765 |
return false; |
| 766 |
} |
| 767 |
|
| 768 |
//****************************************************
|
| 769 |
//*********Implementing Visitable methods*************
|
| 770 |
//****************************************************
|
| 771 |
|
| 772 |
public void accept(Visitor visitor) throws BaseException { |
| 773 |
|
| 774 |
} |
| 775 |
|
| 776 |
//****************************************************
|
| 777 |
//*********Implementing Disposable methods************
|
| 778 |
//****************************************************
|
| 779 |
|
| 780 |
public void dispose() { |
| 781 |
if(pageBandBuffer != null) { |
| 782 |
for (int i = 0; i < pageBandBuffer.length; i++) { |
| 783 |
pageBandBuffer[i].dispose(); |
| 784 |
} |
| 785 |
} |
| 786 |
try {
|
| 787 |
finalize(); |
| 788 |
} catch (Throwable e) { |
| 789 |
} |
| 790 |
} |
| 791 |
|
| 792 |
protected void finalize() throws Throwable { |
| 793 |
limits = null;
|
| 794 |
histogramComputer = null;
|
| 795 |
if(pageBandBuffer != null) { |
| 796 |
for (int i = 0; i < pageBandBuffer.length; i++) { |
| 797 |
pageBandBuffer[i] = null;
|
| 798 |
} |
| 799 |
pageBandBuffer = null;
|
| 800 |
} |
| 801 |
limits = null;
|
| 802 |
super.finalize();
|
| 803 |
} |
| 804 |
} |