Revision 21615 trunk/libraries/libRaster/src-test/org/gvsig/raster/buffer/cache/TestRasterCache.java
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import org.gvsig.raster.dataset.NotSupportedExtensionException; |
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import org.gvsig.raster.dataset.RasterDataset; |
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import org.gvsig.raster.dataset.io.RasterDriverException; |
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/** |
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* Test de comparativa de datos cacheados con datos sin cachear. |
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* Leemos un raster 1..n veces cacheandolo por p?ginas. Una vez cacheado recorreremos |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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*/ |
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public class TestRasterCache extends TestCase{
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private String baseDir = "./test-images/"; |
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private String path = baseDir + "03AUG23153350-M2AS-000000122423_01_P001-BROWSE.jpg"; |
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private RasterDataset f = null; |
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private BufferFactory ds = null; |
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static{
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private String baseDir = "./test-images/"; |
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private String path = baseDir + "03AUG23153350-M2AS-000000122423_01_P001-BROWSE.jpg"; |
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private RasterDataset f = null; |
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static {
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RasterLibrary.wakeUp(); |
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} |
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public void start(){
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public void start() {
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this.setUp(); |
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this.testStack(); |
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} |
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public void setUp() {
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System.err.println("TestRasterCache running...");
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try {
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} |
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public void testStack() {
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int[] drawableBands = {0, 1, 2};
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int[] drawableBands = { 0, 1, 2 };
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//N?mero de veces que cacheamos la imagen. Esto hace que el n?mero de l?neas totales se multiplique por este n?mero |
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int nTimes = 1; |
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ds = new BufferFactory(f); |
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BufferFactory ds = new BufferFactory(f); |
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ds.setDrawableBands(drawableBands); |
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try {
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ds.setAreaOfInterest(0, 0, f.getWidth(), f.getHeight()); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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} |
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//Salvamos los PageBuffer |
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// Salvamos los PageBuffer
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IBuffer buf = ds.getRasterBuf(); |
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//Reducimos el tama?o de la cach? para poder trabajar con un volumen de datos reducido |
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long cacheSize = RasterLibrary.cacheSize; |
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double pageSize = RasterLibrary.pageSize; |
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RasterLibrary.cacheSize = 1; |
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RasterLibrary.pageSize = 0.2; |
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RasterCache rc = new RasterCache(f.getDataType()[0], f.getWidth(), f.getHeight() * nTimes, 3); |
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//rc.getCache().getCacheStruct().show();
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//Cargamos la cach? |
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// rc.getCache().getCacheStruct().show();
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// Cargamos la cach?
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byte[] data = new byte[3]; |
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for(int i = 0; i < nTimes; i++){
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for(int line = 0; line < f.getHeight(); line ++){
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for (int i = 0; i < nTimes; i++) {
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for (int line = 0; line < f.getHeight(); line++) {
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for (int col = 0; col < f.getWidth(); col++) {
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buf.getElemByte(line, col, data); |
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rc.setElemByte(line + (f.getHeight() * i), col, data); |
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} |
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} |
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} |
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//Obtenemos los datos y comparamos |
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// Obtenemos los datos y comparamos
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byte[] dataA = new byte[3]; |
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byte[] dataB = new byte[3]; |
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for(int i = 0; i < nTimes; i++){
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for(int line = 0; line < f.getHeight(); line ++){
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for (int i = 0; i < nTimes; i++) {
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for (int line = 0; line < f.getHeight(); line++) {
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for (int col = 0; col < f.getWidth(); col++) {
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buf.getElemByte(line, col, dataA); |
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rc.getElemByte(line + (f.getHeight() * i), col, dataB); |
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} |
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} |
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} |
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RasterLibrary.cacheSize = cacheSize; |
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RasterLibrary.pageSize = pageSize; |
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} |
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} |
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