gvsig-raster / org.gvsig.raster.cache / trunk / org.gvsig.raster.cache / org.gvsig.raster.cache.lib.impl / src / main / java / org / gvsig / raster / cache / buffer / impl / stripecache / horizontal / RasterCacheBuffer.java @ 995
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package org.gvsig.raster.cache.buffer.impl.stripecache.horizontal; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import org.gvsig.raster.cache.buffer.Band; |
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import org.gvsig.raster.cache.buffer.Buffer; |
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import org.gvsig.raster.cache.buffer.BufferNoData; |
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import org.gvsig.raster.cache.buffer.exception.BandNotCompatibleException; |
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import org.gvsig.raster.cache.buffer.exception.InvalidPageNumberException; |
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import org.gvsig.raster.cache.buffer.exception.OperationNotSupportedException; |
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import org.gvsig.raster.cache.buffer.exception.WrongParameterException; |
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import org.gvsig.raster.cache.buffer.impl.RasterBuffer; |
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import org.gvsig.raster.cache.buffer.impl.stripecache.CacheBand; |
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import org.gvsig.raster.cache.buffer.impl.stripecache.LRUAlgorithm; |
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/**
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* Esta clase representa un buffer de datos cacheado. El estar en cache significa que
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* solo una parte de los datos estar?n en memoria y que gestiona, dependiendo de las
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* peticiones, que partes hay que cargar a memoria y en que momento. Para esto el buffer
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* no se llena de golpe sino que utiliza una clase que sirve los datos desde la fuente.
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* Esta clase servidora de datos debe implementar el interfaz ICacheDatasetSourcepara
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* servir datos de la forma requerida.
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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 RasterCacheBuffer extends RasterBuffer { |
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private CacheHorzImpl cache = null; |
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private LRUAlgorithm lru = null; |
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private CacheBandListHorz bands = null; |
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private int lastLine = -1; |
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/**
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* Constructor. Asigna las variables de inicializaci?n y crea la estructura de
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* la cach? con los datos pasados.
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* @param dataType Tipo de dato del buffer
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* @param width Ancho del buffer
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* @param height Alto del buffer
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* @param nBands N?mero de bandas del buffer
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*/
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public RasterCacheBuffer(int dataType, int width, int height, int nBands) { |
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super(0, 0, width, height, dataType, nBands); |
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cache = new CacheHorzImpl(nBands, dataType, width, height);
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lru = new LRUAlgorithm(cache);
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bands = new CacheBandListHorz();
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for (int i = 0; i < nBands; i++) { |
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switch(dataType) {
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case RasterBuffer.TYPE_BYTE: bands.add(new ByteBand(cache, lru, i)); break; |
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case RasterBuffer.TYPE_SHORT: bands.add(new ShortBand(cache, lru, i)); break; |
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case RasterBuffer.TYPE_INT: bands.add(new IntBand(cache, lru, i)); break; |
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case RasterBuffer.TYPE_FLOAT: bands.add(new FloatBand(cache, lru, i)); break; |
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case RasterBuffer.TYPE_DOUBLE: bands.add(new DoubleBand(cache, lru, i)); break; |
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} |
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} |
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} |
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/**
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* Borra la cach? cuando se elimina el objeto RasterCache ya que
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* los trozos ya no pueden ser referenciados.
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*/
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protected void finalize() throws Throwable { |
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free(); |
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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.raster.driver.IRasterBuffer#isBandSwitchable()
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*/
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public boolean isBandSwitchable(){ |
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return true; |
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} |
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/**
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* Obtiene la cach?
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* @return
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*/
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public CacheHorzImpl getCache() {
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return cache;
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} |
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/**
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* Asigna la cache
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* @param cache
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*/
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public void setCache(CacheHorzImpl cache) { |
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this.cache = cache;
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this.lru.setCache(cache);
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} |
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/*
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* (non-Javadoc)
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* @see org.fv.raster.buffer.IRasterBuffer#isWritable()
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*/
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public boolean isWritable() { |
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return true; |
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} |
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private boolean exists(int line) { |
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// Store the last line checked so we don't check it again for each
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// pixel of the same line
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if (line != lastLine) {
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try {
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lru.cacheAccess(line, false);
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this.lastLine = line;
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} catch (InvalidPageNumberException e) {
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return false; |
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} catch (InterruptedException e) { |
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return false; |
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} |
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} |
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return true; |
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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.raster.buffer.IRasterBuffer#getLineByte(int)
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*/
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public byte[][] getLineByte(int line) { |
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if (exists(line)) {
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return cache.getAccessPage().getLineByte(
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(line & cache.getOffset())); |
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBuffer#getLineShort(int)
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*/
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public short[][] getLineShort(int line) { |
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if (exists(line)) {
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return cache.getAccessPage().getLineShort(
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(line & cache.getOffset())); |
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBuffer#getLineInt(int)
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*/
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public int[][] getLineInt(int line) { |
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if (exists(line)) {
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return cache.getAccessPage().getLineInt(
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(line & cache.getOffset())); |
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBuffer#getLineFloat(int)
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*/
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public float[][] getLineFloat(int line) { |
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if (exists(line)) {
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return cache.getAccessPage().getLineFloat(
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(line & cache.getOffset())); |
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBuffer#getLineDouble(int)
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*/
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public double[][] getLineDouble(int line) { |
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if (exists(line)) {
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return cache.getAccessPage().getLineDouble(
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(line & cache.getOffset())); |
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} |
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return null; |
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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.raster.buffer.IRasterBuffer#setLineByte(byte[][], int)
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*/
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public void setLineByte(byte[][] data, int line) { |
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if (exists(line)) {
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cache.getAccessPage().setLineByte( |
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data, (line & cache.getOffset())); |
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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.raster.buffer.IRasterBuffer#setLineShort(short[][], int)
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*/
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public void setLineShort(short[][] data, int line) { |
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if (exists(line)) {
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cache.getAccessPage().setLineShort( |
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data, (line & cache.getOffset())); |
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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.raster.buffer.IRasterBuffer#setLineInt(int[][], int)
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*/
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public void setLineInt(int[][] data, int line) { |
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if (exists(line)) {
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cache.getAccessPage().setLineInt( |
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data, (line & cache.getOffset())); |
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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.raster.buffer.IRasterBuffer#setLineFloat(float[][], int)
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*/
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public void setLineFloat(float[][] data, int line) { |
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if (exists(line)) {
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cache.getAccessPage().setLineFloat( |
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data, (line & cache.getOffset())); |
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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.raster.buffer.IRasterBuffer#setLineDouble(double[][], int)
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*/
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public void setLineDouble(double[][] data, int line) { |
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if (exists(line)) {
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cache.getAccessPage().setLineDouble( |
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data, (line & cache.getOffset())); |
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} |
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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.raster.buffer.IRasterBuffer#getLineFromBandByte(int, int)
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*/
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public byte[] getLineFromBandByte(int line, int band) { |
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if (exists(line)) {
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return cache.getAccessPage().getLineFromBandByte(
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(line & cache.getOffset()), band); |
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBuffer#getLineFromBandShort(int, int)
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*/
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public short[] getLineFromBandShort(int line, int band) { |
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if (exists(line)) {
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return cache.getAccessPage().getLineFromBandShort(
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(line & cache.getOffset()), band); |
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBuffer#getLineFromBandInt(int, int)
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*/
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public int[] getLineFromBandInt(int line, int band) { |
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if (exists(line)) {
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return cache.getAccessPage().getLineFromBandInt(
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(line & cache.getOffset()), band); |
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.buffer.IRasterBuffer#getLineFromBandFloat(int, int)
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*/
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public float[] getLineFromBandFloat(int line, int band) { |
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if (exists(line)) {
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return cache.getAccessPage().getLineFromBandFloat(
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(line & cache.getOffset()), band); |
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.buffer.IRasterBuffer#getLineFromBandDouble(int, int)
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*/
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public double[] getLineFromBandDouble(int line, int band) { |
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if (exists(line)) {
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return cache.getAccessPage().getLineFromBandDouble(
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(line & cache.getOffset()), band); |
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} |
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return null; |
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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.raster.buffer.IRasterBuffer#setLineInBandByte(byte[], int, int)
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*/
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public void setLineInBandByte(byte[] data, int line, int band) { |
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if (exists(line)) {
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cache.getAccessPage().setLineInBandByte(data, |
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(line & cache.getOffset()), band); |
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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.raster.cache.buffer.IRasterBuffer#setLineInBandShort(short[], int, int)
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*/
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public void setLineInBandShort(short[] data, int line, int band) { |
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if (exists(line)) {
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cache.getAccessPage().setLineInBandShort(data, |
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(line & cache.getOffset()), band); |
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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.raster.cache.buffer.IRasterBuffer#setLineInBandInt(int[], int, int)
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*/
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public void setLineInBandInt(int[] data, int line, int band) { |
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if (exists(line)) {
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cache.getAccessPage().setLineInBandInt(data, |
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(line & cache.getOffset()), band); |
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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.raster.cache.buffer.IRasterBuffer#setLineInBandFloat(float[], int, int)
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*/
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public void setLineInBandFloat(float[] data, int line, int band) { |
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if (exists(line)) {
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cache.getAccessPage().setLineInBandFloat(data, |
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(line & cache.getOffset()), band); |
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} |
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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.raster.cache.buffer.IRasterBuffer#setLineInBandDouble(double[], int, int)
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*/
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public void setLineInBandDouble(double[] data, int line, int band) { |
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if (exists(line)) {
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cache.getAccessPage().setLineInBandDouble(data, |
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(line & cache.getOffset()), band); |
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} |
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} |
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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.raster.buffer.IRasterBuffer#getElemByte(int, int, int)
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*/
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public byte getElemByte(int line, int col, int band) { |
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if (exists(line)) {
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return cache.getAccessPage().getElemByte(
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(line & cache.getOffset()), col, band); |
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} |
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return getNoDataValue().isDefined() ? getNoDataValue().getValue().byteValue() : BufferNoData.defaultByteNoDataValue; // No leemos el dato |
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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.raster.cache.buffer.IRasterBuffer#getElemShort(int, int, int)
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*/
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public short getElemShort(int line, int col, int band) { |
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if (exists(line)) {
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return cache.getAccessPage().getElemShort(
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(line & cache.getOffset()), col, band); |
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} |
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return getNoDataValue().isDefined() ? getNoDataValue().getValue().shortValue() : BufferNoData.defaultShortNoDataValue; // No leemos el dato |
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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.raster.cache.buffer.IRasterBuffer#getElemInt(int, int, int)
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*/
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public int getElemInt(int line, int col, int band) { |
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if (exists(line)) {
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return cache.getAccessPage().getElemInt((line & cache.getOffset()),
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col, band); |
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} |
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return getNoDataValue().isDefined() ? getNoDataValue().getValue().intValue() : BufferNoData.defaultIntegerNoDataValue; // No leemos el dato |
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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.raster.cache.buffer.IRasterBuffer#getElemFloat(int, int, int)
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*/
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public float getElemFloat(int line, int col, int band) { |
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if (exists(line)) {
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return cache.getAccessPage().getElemFloat(
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(line & cache.getOffset()), col, band); |
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} |
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return getNoDataValue().isDefined() ? getNoDataValue().getValue().floatValue() : BufferNoData.defaultFloatNoDataValue; // No leemos el dato |
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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.raster.cache.buffer.IRasterBuffer#getElemDouble(int, int, int)
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*/
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public double getElemDouble(int line, int col, int band) { |
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if (exists(line)) {
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return cache.getAccessPage().getElemDouble(
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(line & cache.getOffset()), col, band); |
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} |
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return getNoDataValue().isDefined() ? getNoDataValue().getValue().doubleValue() : BufferNoData.defaultDoubleNoDataValue; // No leemos el dato |
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} |
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|
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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.raster.buffer.IRasterBuffer#setElem(int, int, int, byte)
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*/
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public void setElem(int line, int col, int band, byte data) { |
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if (exists(line)) {
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cache.getAccessPage().setElem( |
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(line & cache.getOffset()), col, band, data); |
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} |
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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.raster.buffer.IRasterBuffer#setElem(int, int, int, short)
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*/
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public void setElem(int line, int col, int band, short data) { |
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if (exists(line)) {
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cache.getAccessPage().setElem( |
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(line & cache.getOffset()), col, band, data); |
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} |
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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.raster.buffer.IRasterBuffer#setElem(int, int, int, int)
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*/
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public void setElem(int line, int col, int band, int data) { |
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if (exists(line)) {
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cache.getAccessPage().setElem( |
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(line & cache.getOffset()), col, band, data); |
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} |
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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.raster.buffer.IRasterBuffer#setElem(int, int, int, float)
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*/
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public void setElem(int line, int col, int band, float data) { |
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if (exists(line)) {
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cache.getAccessPage().setElem( |
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(line & cache.getOffset()), col, band, data); |
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} |
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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.raster.buffer.IRasterBuffer#setElem(int, int, int, double)
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*/
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public void setElem(int line, int col, int band, double data) { |
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if (exists(line)) {
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cache.getAccessPage().setElem( |
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(line & cache.getOffset()), col, band, data); |
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} |
| 472 |
} |
| 473 |
|
| 474 |
//*********************************************************
|
| 475 |
|
| 476 |
/*
|
| 477 |
* (non-Javadoc)
|
| 478 |
* @see org.gvsig.raster.buffer.IRasterBuffer#getElemByte(int, int, byte[])
|
| 479 |
*/
|
| 480 |
public void getElemByte(int line, int col, byte[] data) { |
| 481 |
if(exists(line)) {
|
| 482 |
cache.getAccessPage().getElemByte( |
| 483 |
(line & cache.getOffset()), col, data); |
| 484 |
return;
|
| 485 |
} |
| 486 |
if(getNoDataValue().isDefined()) {
|
| 487 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 488 |
data[iBand] = getNoDataValue().getValue().byteValue(); |
| 489 |
} else {
|
| 490 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 491 |
data[iBand] = BufferNoData.defaultByteNoDataValue; |
| 492 |
} |
| 493 |
} |
| 494 |
|
| 495 |
/*
|
| 496 |
* (non-Javadoc)
|
| 497 |
* @see org.gvsig.raster.cache.buffer.IRasterBuffer#getElemShort(int, int, short[])
|
| 498 |
*/
|
| 499 |
public void getElemShort(int line, int col, short[] data) { |
| 500 |
if(exists(line)) {
|
| 501 |
cache.getAccessPage().getElemShort( |
| 502 |
(line & cache.getOffset()), col, data); |
| 503 |
return;
|
| 504 |
} |
| 505 |
if(getNoDataValue().isDefined()) {
|
| 506 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 507 |
data[iBand] = getNoDataValue().getValue().shortValue(); |
| 508 |
} else {
|
| 509 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 510 |
data[iBand] = BufferNoData.defaultShortNoDataValue; |
| 511 |
} |
| 512 |
} |
| 513 |
|
| 514 |
/*
|
| 515 |
* (non-Javadoc)
|
| 516 |
* @see org.gvsig.raster.cache.buffer.IRasterBuffer#getElemInt(int, int, int[])
|
| 517 |
*/
|
| 518 |
public void getElemInt(int line, int col, int[] data) { |
| 519 |
if(exists(line)) {
|
| 520 |
cache.getAccessPage().getElemInt( |
| 521 |
(line & cache.getOffset()), col, data); |
| 522 |
return;
|
| 523 |
} |
| 524 |
if(getNoDataValue().isDefined()) {
|
| 525 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 526 |
data[iBand] = getNoDataValue().getValue().intValue(); |
| 527 |
} else {
|
| 528 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 529 |
data[iBand] = BufferNoData.defaultIntegerNoDataValue; |
| 530 |
} |
| 531 |
} |
| 532 |
|
| 533 |
/*
|
| 534 |
* (non-Javadoc)
|
| 535 |
* @see org.gvsig.raster.cache.buffer.IRasterBuffer#getElemFloat(int, int, float[])
|
| 536 |
*/
|
| 537 |
public void getElemFloat(int line, int col, float[] data) { |
| 538 |
if(exists(line)) {
|
| 539 |
cache.getAccessPage().getElemFloat( |
| 540 |
(line & cache.getOffset()), col, data); |
| 541 |
return;
|
| 542 |
} |
| 543 |
if(getNoDataValue().isDefined()) {
|
| 544 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 545 |
data[iBand] = getNoDataValue().getValue().floatValue(); |
| 546 |
} else {
|
| 547 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 548 |
data[iBand] = BufferNoData.defaultFloatNoDataValue; |
| 549 |
} |
| 550 |
} |
| 551 |
|
| 552 |
/*
|
| 553 |
* (non-Javadoc)
|
| 554 |
* @see org.gvsig.raster.cache.buffer.IRasterBuffer#getElemDouble(int, int, double[])
|
| 555 |
*/
|
| 556 |
public void getElemDouble(int line, int col, double[] data) { |
| 557 |
if(exists(line)) {
|
| 558 |
cache.getAccessPage().getElemDouble( |
| 559 |
(line & cache.getOffset()), col, data); |
| 560 |
return;
|
| 561 |
} |
| 562 |
if(getNoDataValue().isDefined()) {
|
| 563 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 564 |
data[iBand] = getNoDataValue().getValue().doubleValue(); |
| 565 |
} else {
|
| 566 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 567 |
data[iBand] = BufferNoData.defaultDoubleNoDataValue; |
| 568 |
} |
| 569 |
} |
| 570 |
|
| 571 |
//*********************************************************
|
| 572 |
|
| 573 |
/*
|
| 574 |
* (non-Javadoc)
|
| 575 |
* @see org.gvsig.raster.cache.buffer.IRasterBuffer#setElemByte(int, int, byte[])
|
| 576 |
*/
|
| 577 |
public void setElemByte(int line, int col, byte[] data) { |
| 578 |
if (exists(line)) {
|
| 579 |
cache.getAccessPage().setElemByte( |
| 580 |
(line & cache.getOffset()), col, data); |
| 581 |
} |
| 582 |
} |
| 583 |
|
| 584 |
/*
|
| 585 |
* (non-Javadoc)
|
| 586 |
* @see org.gvsig.raster.cache.buffer.IRasterBuffer#setElemShort(int, int, short[])
|
| 587 |
*/
|
| 588 |
public void setElemShort(int line, int col, short[] data) { |
| 589 |
if (exists(line)) {
|
| 590 |
cache.getAccessPage().setElemShort( |
| 591 |
(line & cache.getOffset()), col, data); |
| 592 |
} |
| 593 |
} |
| 594 |
|
| 595 |
/*
|
| 596 |
* (non-Javadoc)
|
| 597 |
* @see org.gvsig.raster.cache.buffer.IRasterBuffer#setElemInt(int, int, int[])
|
| 598 |
*/
|
| 599 |
public void setElemInt(int line, int col, int[] data) { |
| 600 |
if (exists(line)) {
|
| 601 |
cache.getAccessPage().setElemInt( |
| 602 |
(line & cache.getOffset()), col, data); |
| 603 |
} |
| 604 |
} |
| 605 |
|
| 606 |
/*
|
| 607 |
* (non-Javadoc)
|
| 608 |
* @see org.gvsig.raster.cache.buffer.IRasterBuffer#setElemFloat(int, int, float[])
|
| 609 |
*/
|
| 610 |
public void setElemFloat(int line, int col, float[] data) { |
| 611 |
if (exists(line)) {
|
| 612 |
cache.getAccessPage().setElemFloat( |
| 613 |
(line & cache.getOffset()), col, data); |
| 614 |
} |
| 615 |
} |
| 616 |
|
| 617 |
/*
|
| 618 |
* (non-Javadoc)
|
| 619 |
* @see org.gvsig.raster.cache.buffer.IRasterBuffer#setElemDouble(int, int, double[])
|
| 620 |
*/
|
| 621 |
public void setElemDouble(int line, int col, double[] data) { |
| 622 |
if (exists(line)) {
|
| 623 |
cache.getAccessPage().setElemDouble( |
| 624 |
(line & cache.getOffset()), col, data); |
| 625 |
} |
| 626 |
} |
| 627 |
|
| 628 |
//*********************************************************
|
| 629 |
|
| 630 |
public void assign(int band, byte value) { |
| 631 |
for(int line = 0; line < getHeight(); line ++){ |
| 632 |
boolean beginLine = true; //Para acelerar solo comprobar? si la p?gina est? en cach? cada vez que empieza una l?nea |
| 633 |
for(int col = 0; col < getWidth(); col ++){ |
| 634 |
try {
|
| 635 |
if(beginLine){
|
| 636 |
lru.cacheAccess(line, false);
|
| 637 |
beginLine = false;
|
| 638 |
} |
| 639 |
} catch (InvalidPageNumberException e) {return; |
| 640 |
} catch (InterruptedException e) {return;} |
| 641 |
cache.getAccessPage().setElem((line & cache.getOffset()), col, band, value); |
| 642 |
} |
| 643 |
} |
| 644 |
} |
| 645 |
|
| 646 |
public void assign(int band, short value) { |
| 647 |
for(int line = 0; line < getHeight(); line ++){ |
| 648 |
boolean beginLine = true; //Para acelerar solo comprobar? si la p?gina est? en cach? cada vez que empieza una l?nea |
| 649 |
for(int col = 0; col < getWidth(); col ++){ |
| 650 |
try {
|
| 651 |
if(beginLine){
|
| 652 |
lru.cacheAccess(line, false);
|
| 653 |
beginLine = false;
|
| 654 |
} |
| 655 |
} catch (InvalidPageNumberException e) {return; |
| 656 |
} catch (InterruptedException e) {return;} |
| 657 |
cache.getAccessPage().setElem((line & cache.getOffset()), col, band, value); |
| 658 |
} |
| 659 |
} |
| 660 |
} |
| 661 |
|
| 662 |
public void assign(int band, int value) { |
| 663 |
for(int line = 0; line < getHeight(); line ++){ |
| 664 |
boolean beginLine = true; //Para acelerar solo comprobar? si la p?gina est? en cach? cada vez que empieza una l?nea |
| 665 |
for(int col = 0; col < getWidth(); col ++){ |
| 666 |
try {
|
| 667 |
if(beginLine){
|
| 668 |
lru.cacheAccess(line, false);
|
| 669 |
beginLine = false;
|
| 670 |
} |
| 671 |
} catch (InvalidPageNumberException e) {return; |
| 672 |
} catch (InterruptedException e) {return;} |
| 673 |
cache.getAccessPage().setElem((line & cache.getOffset()), col, band, value); |
| 674 |
} |
| 675 |
} |
| 676 |
} |
| 677 |
|
| 678 |
public void assign(int band, float value) { |
| 679 |
for(int line = 0; line < getHeight(); line ++){ |
| 680 |
boolean beginLine = true; //Para acelerar solo comprobar? si la p?gina est? en cach? cada vez que empieza una l?nea |
| 681 |
for(int col = 0; col < getWidth(); col ++){ |
| 682 |
try {
|
| 683 |
if(beginLine){
|
| 684 |
lru.cacheAccess(line, false);
|
| 685 |
beginLine = false;
|
| 686 |
} |
| 687 |
} catch (InvalidPageNumberException e) {return; |
| 688 |
} catch (InterruptedException e) {return;} |
| 689 |
cache.getAccessPage().setElem((line & cache.getOffset()), col, band, value); |
| 690 |
} |
| 691 |
} |
| 692 |
} |
| 693 |
|
| 694 |
public void assign(int band, double value) { |
| 695 |
for(int line = 0; line < getHeight(); line ++){ |
| 696 |
boolean beginLine = true; //Para acelerar solo comprobar? si la p?gina est? en cach? cada vez que empieza una l?nea |
| 697 |
for(int col = 0; col < getWidth(); col ++){ |
| 698 |
try {
|
| 699 |
if(beginLine){
|
| 700 |
lru.cacheAccess(line, false);
|
| 701 |
beginLine = false;
|
| 702 |
} |
| 703 |
} catch (InvalidPageNumberException e) {return; |
| 704 |
} catch (InterruptedException e) {return;} |
| 705 |
cache.getAccessPage().setElem((line & cache.getOffset()), col, band, value); |
| 706 |
} |
| 707 |
} |
| 708 |
} |
| 709 |
|
| 710 |
//**************************************
|
| 711 |
//**********BANDS OPERATIONS************
|
| 712 |
//**************************************
|
| 713 |
|
| 714 |
/*
|
| 715 |
* (non-Javadoc)
|
| 716 |
* @see org.gvsig.raster.buffer.IRasterBuffer#removeBand(int)
|
| 717 |
*/
|
| 718 |
public void removeBand(int iBand) throws IOException { |
| 719 |
if(iBand < 0 || iBand >= getBandCount()) |
| 720 |
return;
|
| 721 |
cache.removeBand(iBand); |
| 722 |
bands.remove(iBand); |
| 723 |
bandLessLess(); |
| 724 |
} |
| 725 |
|
| 726 |
/*
|
| 727 |
* (non-Javadoc)
|
| 728 |
* @see org.gvsig.raster.buffer.IRasterBuffer#addBand(int)
|
| 729 |
*/
|
| 730 |
public Band addBand(int pos) throws IOException { |
| 731 |
cache.addBand(pos); |
| 732 |
CacheBand cb = bands.add(pos, cache, lru, getDataType()); |
| 733 |
bandPlusPlus(); |
| 734 |
return cb;
|
| 735 |
} |
| 736 |
|
| 737 |
/*
|
| 738 |
* (non-Javadoc)
|
| 739 |
* @see org.gvsig.raster.buffer.IRasterBuffer#getBands()
|
| 740 |
*/
|
| 741 |
public Band[] getBands() { |
| 742 |
Band[] b = new Band[bands.size()]; |
| 743 |
for (int i = 0; i < bands.size(); i++) |
| 744 |
b[i] = bands.get(i); |
| 745 |
return b;
|
| 746 |
} |
| 747 |
|
| 748 |
/*
|
| 749 |
* (non-Javadoc)
|
| 750 |
* @see org.fv.raster.buffer.IRasterBuffer#getBandList()
|
| 751 |
*/
|
| 752 |
public ArrayList<Band> getBandList() { |
| 753 |
ArrayList<Band> result = new ArrayList<Band>(); |
| 754 |
for (int i = 0; i < bands.size(); i++) |
| 755 |
result.add(bands.get(i)); |
| 756 |
return result;
|
| 757 |
} |
| 758 |
|
| 759 |
/**
|
| 760 |
* Set the band to the selected position. To assign a cache band firstly it will
|
| 761 |
* check if the band to assign is compatible, then it will
|
| 762 |
* load in each page in disk the page indicated by the target object. Finally it will
|
| 763 |
* assign the Cache object to the new band.
|
| 764 |
* @throws IOException
|
| 765 |
*/
|
| 766 |
public void assignBand(int pos, Band band) throws IOException, BandNotCompatibleException { |
| 767 |
if( band.getDataType() != getDataType())
|
| 768 |
throw new BandNotCompatibleException("Data type not compatible"); |
| 769 |
if(getBand(0) != null && band.getClass() != getBand(0).getClass()) |
| 770 |
throw new BandNotCompatibleException("buffer type not compatible"); |
| 771 |
if( band.getHeight() != cache.getDataSourceHeight() || band.getWidth() != cache.getDataSourceWidth())
|
| 772 |
throw new BandNotCompatibleException("Bands with diferents sizes"); |
| 773 |
|
| 774 |
cache.addBand(pos, band); |
| 775 |
bands.add(pos, cache, lru, getDataType()); |
| 776 |
bandPlusPlus(); |
| 777 |
} |
| 778 |
|
| 779 |
/*
|
| 780 |
* (non-Javadoc)
|
| 781 |
* @see org.gvsig.raster.driver.IRasterBuffer#getBandByRef(int)
|
| 782 |
*/
|
| 783 |
public Band getBand(int band) { |
| 784 |
if(bands.size() == 0 || band < 0 || band > (bands.size() - 1)) |
| 785 |
return null; |
| 786 |
return bands.get(band);
|
| 787 |
} |
| 788 |
|
| 789 |
/*
|
| 790 |
* (non-Javadoc)
|
| 791 |
* @see org.gvsig.raster.driver.IRasterBuffer#getBand(int)
|
| 792 |
*/
|
| 793 |
public Band getBandCopy(int band) { |
| 794 |
switch (getDataType()) {
|
| 795 |
case RasterBuffer.TYPE_BYTE:
|
| 796 |
return (ByteBand)((ByteBand)bands.get(band)).clone();
|
| 797 |
case RasterBuffer.TYPE_SHORT:
|
| 798 |
return (ShortBand)((ShortBand)bands.get(band)).clone();
|
| 799 |
case RasterBuffer.TYPE_INT:
|
| 800 |
return (IntBand)((IntBand)bands.get(band)).clone();
|
| 801 |
case RasterBuffer.TYPE_FLOAT:
|
| 802 |
return (FloatBand)((FloatBand)bands.get(band)).clone();
|
| 803 |
case RasterBuffer.TYPE_DOUBLE:
|
| 804 |
return (DoubleBand)((DoubleBand)bands.get(band)).clone();
|
| 805 |
} |
| 806 |
return null; |
| 807 |
} |
| 808 |
|
| 809 |
/*
|
| 810 |
* (non-Javadoc)
|
| 811 |
* @see org.gvsig.fmap.driver.IRasterBuffer#getBandBuffer(int)
|
| 812 |
*/
|
| 813 |
public Buffer getBufferWithOneBand(int iBand) throws IOException { |
| 814 |
//Creamos un buffer del mismo tama?o que el original para que la estructura de cache
|
| 815 |
//sea la misma. Luego eliminaremos las bandas para a?adirle solo una.
|
| 816 |
RasterCacheBuffer rcb = new RasterCacheBuffer(getDataType(), getWidth(), getHeight(), getBandCount());
|
| 817 |
for (int i = getBandCount() - 1; i >= 0; i--) |
| 818 |
rcb.removeBand(i); |
| 819 |
try {
|
| 820 |
rcb.assignBand(0, getBand(iBand));
|
| 821 |
} catch (BandNotCompatibleException e) {
|
| 822 |
//It can't be throwed
|
| 823 |
} |
| 824 |
return rcb;
|
| 825 |
} |
| 826 |
|
| 827 |
/*
|
| 828 |
* (non-Javadoc)
|
| 829 |
* @see org.gvsig.fmap.dataaccess.buffer.RasterBuffer#switchBands(int[])
|
| 830 |
*/
|
| 831 |
public void swapBands(int[] bandPosition) throws WrongParameterException, IOException { |
| 832 |
super.swapBands(bandPosition);
|
| 833 |
cache.swapBands(bandPosition); |
| 834 |
bands.swapBands(bandPosition); |
| 835 |
} |
| 836 |
|
| 837 |
/*
|
| 838 |
* (non-Javadoc)
|
| 839 |
* @see org.gvsig.fmap.driver.IRasterBuffer#swapBands(int, int)
|
| 840 |
*/
|
| 841 |
public void swapBands(int band1, int band2) throws WrongParameterException, IOException { |
| 842 |
if(band1 < 0 || band1 > getBandCount() - 1 || band2 < 0 || band2 > getBandCount() - 1) |
| 843 |
return;
|
| 844 |
|
| 845 |
int[] bandPosition = new int[getBandCount()]; |
| 846 |
for (int i = 0; i < bandPosition.length; i++) { |
| 847 |
if(i == band1)
|
| 848 |
bandPosition[i] = band2; |
| 849 |
else if(i == band2) |
| 850 |
bandPosition[i] = band1; |
| 851 |
else
|
| 852 |
bandPosition[i] = i; |
| 853 |
} |
| 854 |
swapBands(bandPosition); |
| 855 |
} |
| 856 |
|
| 857 |
/*
|
| 858 |
* (non-Javadoc)
|
| 859 |
* @see org.gvsig.fmap.driver.IRasterBuffer#copyBand(int, org.gvsig.fmap.dataaccess.buffer.IBand)
|
| 860 |
*/
|
| 861 |
public void copyBand(int iBand, Band band) throws BandNotCompatibleException, OperationNotSupportedException { |
| 862 |
super.copyBand(iBand, band);
|
| 863 |
} |
| 864 |
|
| 865 |
/*
|
| 866 |
* (non-Javadoc)
|
| 867 |
* @see org.gvsig.fmap.driver.IRasterBuffer#replicateBand(int, int)
|
| 868 |
*/
|
| 869 |
public void replicateBand(int orig, int dest) throws IOException { |
| 870 |
Band origBand = getBandCopy(orig); |
| 871 |
try {
|
| 872 |
assignBand(dest, origBand); |
| 873 |
} catch (BandNotCompatibleException e) {
|
| 874 |
//It can't be throwed
|
| 875 |
} |
| 876 |
} |
| 877 |
|
| 878 |
/**
|
| 879 |
* Create a band with the current cache information.
|
| 880 |
*/
|
| 881 |
public Band createBand(double defaultValue) { |
| 882 |
CacheHorzImpl clonCache = cache.cloneStructure(); |
| 883 |
LRUAlgorithm lru = new LRUAlgorithm(clonCache);
|
| 884 |
for (int i = getBandCount() - 1; i >= 0 ; i--) { |
| 885 |
try {
|
| 886 |
clonCache.removeBand(i); |
| 887 |
} catch (IOException e) { |
| 888 |
return null; |
| 889 |
} |
| 890 |
} |
| 891 |
clonCache.createPages(1);
|
| 892 |
|
| 893 |
switch (getDataType()) {
|
| 894 |
case RasterBuffer.TYPE_BYTE:
|
| 895 |
ByteBand bb = new ByteBand(clonCache, lru, 0); |
| 896 |
bb.assign((byte)defaultValue);
|
| 897 |
return bb;
|
| 898 |
case RasterBuffer.TYPE_SHORT:
|
| 899 |
ShortBand sb = new ShortBand(clonCache, lru, 0); |
| 900 |
sb.assign((short)defaultValue);
|
| 901 |
return sb;
|
| 902 |
case RasterBuffer.TYPE_INT:
|
| 903 |
IntBand ib = new IntBand(clonCache, lru, 0); |
| 904 |
ib.assign((int)defaultValue);
|
| 905 |
return ib;
|
| 906 |
case RasterBuffer.TYPE_FLOAT:
|
| 907 |
FloatBand fb = new FloatBand(clonCache, lru, 0); |
| 908 |
fb.assign((float)defaultValue);
|
| 909 |
return fb;
|
| 910 |
case RasterBuffer.TYPE_DOUBLE:
|
| 911 |
DoubleBand db = new DoubleBand(clonCache, lru, 0); |
| 912 |
db.assign(defaultValue); |
| 913 |
return db;
|
| 914 |
} |
| 915 |
return null; |
| 916 |
} |
| 917 |
|
| 918 |
/*
|
| 919 |
* (non-Javadoc)
|
| 920 |
* @see org.gvsig.fmap.driver.IRasterBuffer#assignBandToNotValid(int)
|
| 921 |
*/
|
| 922 |
public void assignBandToNotValid(int iBand) { |
| 923 |
switch (getDataType()) {
|
| 924 |
case RasterBuffer.TYPE_BYTE:
|
| 925 |
for (int row = 0; row < getHeight(); row++) |
| 926 |
for (int col = 0; col < getWidth(); col++) |
| 927 |
setElem(row, col, iBand, (byte)notValidValue);
|
| 928 |
case RasterBuffer.TYPE_SHORT:
|
| 929 |
for (int row = 0; row < getHeight(); row++) |
| 930 |
for (int col = 0; col < getWidth(); col++) |
| 931 |
setElem(row, col, iBand, (short)notValidValue);
|
| 932 |
case RasterBuffer.TYPE_INT:
|
| 933 |
for (int row = 0; row < getHeight(); row++) |
| 934 |
for (int col = 0; col < getWidth(); col++) |
| 935 |
setElem(row, col, iBand, (int)notValidValue);
|
| 936 |
case RasterBuffer.TYPE_FLOAT:
|
| 937 |
for (int row = 0; row < getHeight(); row++) |
| 938 |
for (int col = 0; col < getWidth(); col++) |
| 939 |
setElem(row, col, iBand, (float)notValidValue);
|
| 940 |
case RasterBuffer.TYPE_DOUBLE:
|
| 941 |
for (int row = 0; row < getHeight(); row++) |
| 942 |
for (int col = 0; col < getWidth(); col++) |
| 943 |
setElem(row, col, iBand, (double)notValidValue);
|
| 944 |
} |
| 945 |
} |
| 946 |
|
| 947 |
/*
|
| 948 |
* (non-Javadoc)
|
| 949 |
* @see org.gvsig.raster.dataset.IRasterBuffer#free()
|
| 950 |
*/
|
| 951 |
public void free() throws IOException { |
| 952 |
cache.clearCache(); |
| 953 |
} |
| 954 |
|
| 955 |
/*
|
| 956 |
* (non-Javadoc)
|
| 957 |
* @see org.gvsig.fmap.driver.IRasterBuffer#cloneBuffer()
|
| 958 |
*/
|
| 959 |
public Buffer cloneBuffer(){ |
| 960 |
return null; |
| 961 |
} |
| 962 |
} |