Revision 2438 org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/impl/provider/tile/TileDownloaderForFiles.java
| TileDownloaderForFiles.java | ||
|---|---|---|
| 25 | 25 |
|
| 26 | 26 |
import org.gvsig.fmap.dal.coverage.RasterLocator; |
| 27 | 27 |
import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
| 28 |
import org.gvsig.fmap.dal.coverage.datastruct.BandList; |
|
| 29 | 28 |
import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
| 30 | 29 |
import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
| 31 | 30 |
import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
| 31 |
import org.gvsig.fmap.dal.coverage.exception.QueryException; |
|
| 32 | 32 |
import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
| 33 |
import org.gvsig.fmap.dal.coverage.store.RasterDataStore; |
|
| 34 |
import org.gvsig.fmap.dal.coverage.store.RasterQuery; |
|
| 33 | 35 |
import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation; |
| 34 |
import org.gvsig.fmap.dal.coverage.util.RasterUtils; |
|
| 35 | 36 |
import org.gvsig.raster.cache.tile.Tile; |
| 36 | 37 |
import org.gvsig.raster.cache.tile.exception.TileGettingException; |
| 37 | 38 |
import org.gvsig.raster.cache.tile.provider.CacheStruct; |
| 38 | 39 |
import org.gvsig.raster.impl.DefaultRasterManager; |
| 39 |
import org.gvsig.raster.impl.buffer.DefaultRasterQuery; |
|
| 40 | 40 |
import org.gvsig.raster.impl.datastruct.ExtentImpl; |
| 41 |
import org.gvsig.raster.impl.provider.DefaultRasterProvider; |
|
| 42 | 41 |
|
| 43 | 42 |
/** |
| 44 | 43 |
* Tile getter |
| 45 | 44 |
* @author Nacho Brodin (nachobrodin@gmail.com) |
| 46 | 45 |
*/ |
| 47 | 46 |
public class TileDownloaderForFiles extends BaseTileDownloader {
|
| 48 |
private CacheStruct struct = null; |
|
| 49 |
private RasterUtils util = RasterLocator.getManager().getRasterUtils(); |
|
| 50 |
private String extension = null; |
|
| 47 |
protected CacheStruct struct = null; |
|
| 48 |
protected String extension = null; |
|
| 51 | 49 |
|
| 52 |
public TileDownloaderForFiles(DefaultRasterProvider prov,
|
|
| 50 |
public TileDownloaderForFiles(RasterDataStore store,
|
|
| 53 | 51 |
CacheStruct struct, |
| 54 | 52 |
int tileWidth, |
| 55 | 53 |
int tileHeight, |
| 56 | 54 |
String extension) {
|
| 57 |
super(prov, tileWidth, tileHeight);
|
|
| 55 |
super(store, tileWidth, tileHeight);
|
|
| 58 | 56 |
this.struct = struct; |
| 59 | 57 |
this.extension = extension; |
| 60 | 58 |
} |
| 61 | 59 |
|
| 62 |
/* |
|
| 63 |
* (non-Javadoc) |
|
| 64 |
* @see org.gvsig.raster.cache.tile.provider.Downloader#getTile(org.gvsig.raster.cache.tile.Tile) |
|
| 65 |
*/ |
|
| 66 | 60 |
public synchronized Tile downloadTile(Tile tile) throws TileGettingException {
|
| 67 | 61 |
Extent tileExtent = new ExtentImpl(tile.getUl(), tile.getLr()); |
| 68 |
ColorInterpretation ci = prov.getColorInterpretation();
|
|
| 62 |
ColorInterpretation ci = store.getColorInterpretation();
|
|
| 69 | 63 |
|
| 70 | 64 |
//Escribe todas las bandas a disco |
| 71 |
BandList newBandList = prov.getDefaultBandList();//createBandList(prov);
|
|
| 65 |
//BandList newBandList = store.getDefaultBandList();//createBandList(prov);
|
|
| 72 | 66 |
|
| 73 | 67 |
Buffer bufResult = null; |
| 74 | 68 |
|
| 75 | 69 |
double pixelSize = struct.getPixelSizeByLevel(tile.getLevel()); |
| 76 | 70 |
|
| 77 | 71 |
try {
|
| 78 |
Extent ex = util.intersection(prov.getExtent(), tileExtent);
|
|
| 72 |
Extent ex = store.getExtent().intersection(tileExtent);
|
|
| 79 | 73 |
|
| 74 |
//newBuf ser?n distintas de tilePx cuando haya zonas con valores no data. Las de los bordes |
|
| 80 | 75 |
int newBufWidth = (int)Math.ceil((ex.width() * this.tilePxWidth) / tileExtent.width()); |
| 81 | 76 |
int newBufHeight = (int)Math.ceil((ex.height() * this.tilePxHeight) / tileExtent.height()); |
| 82 | 77 |
boolean alphaBand = false; |
| 83 |
int nBandsBuffer = prov.getBandCount();
|
|
| 78 |
int nBandsBuffer = store.getBandCount();
|
|
| 84 | 79 |
|
| 85 |
if(prov.getColorInterpretation().hasAlphaBand())
|
|
| 80 |
if(store.getColorInterpretation().hasAlphaBand())
|
|
| 86 | 81 |
alphaBand = true; |
| 87 | 82 |
|
| 88 |
//Si no hay parte del tile que cae fuera de la imagen no se usa una nueva banda de transparencia ni valores nodata |
|
| 89 |
if(newBufHeight == this.tilePxHeight && newBufWidth == this.tilePxWidth) {
|
|
| 90 |
bufResult = readSupersampledBuffer(tileExtent, newBandList, this.tilePxWidth, this.tilePxHeight, nBandsBuffer); |
|
| 83 |
//A partir de ahora todos los tiles RGB llevan banda de transparencia, por eso eliminamos este c?digo. Esto es para que |
|
| 84 |
//las capas tileadas puedan aparecer con banda transparente en el cuadro de propiedades. Si no da problemas la |
|
| 85 |
//modificaci?n eliminarlo permanentemente dentro de un par de versiones (19/11/2013 BN2207) |
|
| 86 |
|
|
| 87 |
/*if(isInternalTile(newBufWidth, newBufHeight)) {
|
|
| 88 |
bufResult = readSupersampledBuffer(tileExtent, this.tilePxWidth, this.tilePxHeight, false); |
|
| 91 | 89 |
if(bufResult == null) {
|
| 92 |
bufResult = buildTileBuffer(nBandsBuffer, this.tilePxWidth, this.tilePxHeight); |
|
| 93 |
DefaultRasterQuery q = (DefaultRasterQuery)RasterLocator.getManager().createQuery(); |
|
| 90 |
RasterQuery q = RasterLocator.getManager().createQuery(); |
|
| 94 | 91 |
q.setAreaOfInterest(tileExtent, this.tilePxWidth, this.tilePxHeight); |
| 95 |
q.setBandList(newBandList); |
|
| 96 |
q.setBuffer(bufResult); |
|
| 97 |
q.setAdjustToExtent(true); |
|
| 98 |
bufResult = prov.getDataSet(q); |
|
| 99 |
//bufResult = prov.getWindow(tileExtent, this.tilePxWidth, this.tilePxHeight, newBandList, bufResult, true); |
|
| 92 |
q.setAllDrawableBands(); |
|
| 93 |
q.setAdjustToExtent(true); |
|
| 94 |
bufResult = store.query(q); |
|
| 100 | 95 |
} |
| 101 |
} else {
|
|
| 102 |
//Hay parte del tile que cae fuera de la imagen |
|
| 103 |
if(prov.getDataType()[0] == Buffer.TYPE_BYTE) {
|
|
| 104 |
//Para imagenes byte se crea una banda de transparencia |
|
| 105 |
alphaBand = true; |
|
| 106 |
if(!prov.getColorInterpretation().hasAlphaBand()) |
|
| 107 |
nBandsBuffer ++; |
|
| 108 |
} |
|
| 109 |
|
|
| 110 |
bufResult = buildTileBuffer(nBandsBuffer, this.tilePxWidth, this.tilePxHeight); |
|
| 111 |
Buffer smallBuf = readSupersampledBuffer(ex, newBandList, newBufWidth, newBufHeight, nBandsBuffer); |
|
| 112 |
|
|
| 113 |
if(smallBuf == null) { //No ha habido resampleo
|
|
| 114 |
smallBuf = DefaultRasterManager.getInstance().createMemoryBuffer(prov.getDataType()[0], newBufWidth, newBufHeight, nBandsBuffer, true); |
|
| 115 |
DefaultRasterQuery q = (DefaultRasterQuery)RasterLocator.getManager().createQuery(); |
|
| 116 |
q.setAreaOfInterest(tileExtent, newBufWidth, newBufHeight); |
|
| 117 |
q.setBandList(newBandList); |
|
| 118 |
q.setBuffer(smallBuf); |
|
| 119 |
q.setAdjustToExtent(true); |
|
| 120 |
smallBuf = prov.getDataSet(q); |
|
| 121 |
//smallBuf = prov.getWindow(ex, newBufWidth, newBufHeight, newBandList, smallBuf, true); |
|
| 122 |
} |
|
| 123 |
RasterLocator.getManager().getRasterUtils().copyToBuffer( |
|
| 124 |
bufResult, |
|
| 125 |
tileExtent, |
|
| 126 |
smallBuf, |
|
| 127 |
ex, |
|
| 128 |
pixelSize, |
|
| 129 |
prov.getColorInterpretation().hasAlphaBand()); |
|
| 130 |
} |
|
| 96 |
} else {*/
|
|
| 131 | 97 |
|
| 132 |
saveTile(bufResult, pixelSize, extension, |
|
| 133 |
alphaBand, tile, tileExtent, ci); |
|
| 98 |
//Hay parte del tile que cae fuera de la imagen |
|
| 99 |
if(store.getDataType()[0] == Buffer.TYPE_BYTE) {
|
|
| 100 |
//Para imagenes byte se crea una banda de transparencia |
|
| 101 |
alphaBand = true; |
|
| 102 |
if(!store.getColorInterpretation().hasAlphaBand()) |
|
| 103 |
nBandsBuffer ++; |
|
| 104 |
} |
|
| 105 |
|
|
| 106 |
Buffer smallBuf = readSupersampledBuffer(ex, newBufWidth, newBufHeight, alphaBand); |
|
| 107 |
|
|
| 108 |
if(smallBuf == null) { //No ha habido resampleo
|
|
| 109 |
RasterQuery q = RasterLocator.getManager().createQuery(); |
|
| 110 |
q.setAreaOfInterest(ex, newBufWidth, newBufHeight); |
|
| 111 |
q.setAllDrawableBands(); |
|
| 112 |
q.setAdjustToExtent(true); |
|
| 113 |
if(alphaBand) |
|
| 114 |
q.setAlphaBand(store.getBandCount() - 1); |
|
| 115 |
smallBuf = store.query(q); |
|
| 116 |
} |
|
| 117 |
|
|
| 118 |
bufResult = buildTileBuffer(nBandsBuffer, this.tilePxWidth, this.tilePxHeight); |
|
| 119 |
RasterLocator.getManager().getRasterUtils().copyToBuffer( |
|
| 120 |
bufResult, |
|
| 121 |
tileExtent, |
|
| 122 |
smallBuf, |
|
| 123 |
ex, |
|
| 124 |
pixelSize, |
|
| 125 |
store.getColorInterpretation().hasAlphaBand()); |
|
| 126 |
//} |
|
| 127 |
|
|
| 128 |
smallBuf.dispose(); |
|
| 129 |
saveTile(bufResult, pixelSize, extension, alphaBand, tile, tileExtent, ci); |
|
| 130 |
bufResult.dispose(); |
|
| 134 | 131 |
//Si borramos el rmf no se puede leer la etiqueta Alpha. En caso de que se modifique jgdal para |
| 135 | 132 |
//poder guardar esta etiqueta deberiamos borrar el rmf para ahorrar ficheros |
| 136 | 133 |
//File rmf = new File(tile.getFile().getAbsolutePath() + ".rmf"); |
| 137 | 134 |
//if(rmf.exists()) |
| 138 |
//rmf.delete();
|
|
| 135 |
//rmf.delete(); |
|
| 139 | 136 |
} catch (ProcessInterruptedException e) {
|
| 140 | 137 |
} catch (RasterDriverException e) {
|
| 141 | 138 |
throw new TileGettingException(e); |
| ... | ... | |
| 143 | 140 |
throw new TileGettingException(e); |
| 144 | 141 |
} catch (IOException e) {
|
| 145 | 142 |
throw new TileGettingException(e); |
| 143 |
} catch (QueryException e) {
|
|
| 144 |
throw new TileGettingException(e); |
|
| 146 | 145 |
} |
| 147 | 146 |
readTileFromDisk(tile); |
| 148 | 147 |
return tile; |
| 149 | 148 |
} |
| 150 | 149 |
|
| 151 |
/** |
|
| 152 |
* Creates a <code>BandList</code> for the tile downloaded. |
|
| 153 |
* @param provider |
|
| 154 |
* @return |
|
| 155 |
*/ |
|
| 156 |
// private BandList createBandList(RasterProvider provider) {
|
|
| 157 |
// BandList bandList = new BandListImpl(); |
|
| 158 |
// String[] uriByProvider = provider.getURIByProvider(); |
|
| 159 |
// int[] nBandsByProvider = provider.getBandCountByProvider(); |
|
| 160 |
// |
|
| 161 |
// for (int iProvider = 0; iProvider < uriByProvider.length; iProvider++) {
|
|
| 162 |
// for (int iBand = 0; iBand < nBandsByProvider[iProvider]; iBand++) {
|
|
| 163 |
// try {
|
|
| 164 |
// bandList.addBand(new DatasetBandImpl(uriByProvider[iProvider], iBand, provider.getDataType()[0], nBandsByProvider[iProvider])); |
|
| 165 |
// } catch (BandNotFoundInListException e1) {
|
|
| 166 |
// } |
|
| 167 |
// } |
|
| 168 |
// } |
|
| 169 |
// |
|
| 170 |
// int[] drawableBands = new int[bandList.getBandCount()]; |
|
| 171 |
// for (int i = 0; i < bandList.getBandCount(); i++) {
|
|
| 172 |
// drawableBands[i] = i; |
|
| 173 |
// } |
|
| 174 |
// |
|
| 175 |
// bandList.setDrawableBands(drawableBands); |
|
| 176 |
// return bandList; |
|
| 177 |
// } |
|
| 150 |
public boolean isInternalTile(int bufWidth, int bufHeight) {
|
|
| 151 |
return (bufHeight == this.tilePxHeight && bufWidth == this.tilePxWidth); |
|
| 152 |
} |
|
| 178 | 153 |
|
| 179 | 154 |
/** |
| 180 |
* If the provider doesn't support resampling then this method reamples the result manually |
|
| 155 |
* When the buffer of the request is greater than the original raster (> scale 1:1) then the request |
|
| 156 |
* has to be resampled. |
|
| 181 | 157 |
* @param tileExtent |
| 182 | 158 |
* @param newBandList |
| 183 | 159 |
* @param bufWidth |
| ... | ... | |
| 185 | 161 |
* @param nBands |
| 186 | 162 |
* @return |
| 187 | 163 |
* @throws ProcessInterruptedException |
| 188 |
* @throws RasterDriverException
|
|
| 164 |
* @throws TileGettingException
|
|
| 189 | 165 |
*/ |
| 190 |
private Buffer readSupersampledBuffer(Extent tileExtent, BandList newBandList, int bufWidth, int bufHeight, int nBands) throws ProcessInterruptedException, RasterDriverException {
|
|
| 191 |
int widthImgPx = (int)Math.abs(tileExtent.width() / prov.getPixelSizeX()); |
|
| 192 |
int heightImgPx = (int)Math.abs(tileExtent.height() / prov.getPixelSizeY()); |
|
| 166 |
protected Buffer readSupersampledBuffer(Extent tileExtent, int bufWidth, int bufHeight, boolean hasAlphaBand) throws ProcessInterruptedException, QueryException, TileGettingException {
|
|
| 167 |
int widthImgPx = (int)Math.abs(tileExtent.width() / store.getPixelSizeX()); |
|
| 168 |
int heightImgPx = (int)Math.abs(tileExtent.height() / store.getPixelSizeY()); |
|
| 169 |
|
|
| 170 |
if(widthImgPx <= 0) |
|
| 171 |
widthImgPx = 1; |
|
| 172 |
if(heightImgPx <= 0) |
|
| 173 |
heightImgPx = 1; |
|
| 174 |
|
|
| 193 | 175 |
boolean supersampling = ((bufWidth > widthImgPx) || (bufHeight > heightImgPx)) ? true : false; |
| 194 | 176 |
|
| 195 |
if(supersampling && !prov.isSupersamplingSupported()) {
|
|
| 196 |
//Ecw no supersamplea por lo que habr? que hacerlo a mano |
|
| 197 |
Buffer buf = buildTileBuffer(nBands, widthImgPx, heightImgPx); |
|
| 198 |
DefaultRasterQuery q = (DefaultRasterQuery)RasterLocator.getManager().createQuery(); |
|
| 177 |
if(supersampling) {
|
|
| 178 |
RasterQuery q = RasterLocator.getManager().createQuery(); |
|
| 199 | 179 |
q.setAreaOfInterest(tileExtent, widthImgPx, heightImgPx); |
| 200 |
q.setBandList(newBandList); |
|
| 201 |
q.setBuffer(buf); |
|
| 202 |
q.setAdjustToExtent(true); |
|
| 203 |
buf = prov.getDataSet(q); |
|
| 204 |
//prov.getWindow(tileExtent, widthImgPx, heightImgPx, newBandList, buf, true); |
|
| 205 |
Buffer result = null; |
|
| 206 |
result = buf.getAdjustedWindow(bufWidth, bufHeight, Buffer.INTERPOLATION_NearestNeighbour); |
|
| 180 |
q.setAllDrawableBands(); |
|
| 181 |
q.setAdjustToExtent(true); |
|
| 182 |
if(hasAlphaBand) |
|
| 183 |
q.setAlphaBand(store.getBandCount() - 1); |
|
| 184 |
Buffer buf = store.query(q); |
|
| 185 |
Buffer result = buf.getAdjustedWindow(bufWidth, bufHeight, Buffer.INTERPOLATION_NearestNeighbour); |
|
| 207 | 186 |
if(result != buf) |
| 208 | 187 |
buf.dispose(); |
| 209 | 188 |
return result; |
| ... | ... | |
| 216 | 195 |
* @param nbands |
| 217 | 196 |
* @return |
| 218 | 197 |
*/ |
| 219 |
private Buffer buildTileBuffer(int nbands, int w, int h) {
|
|
| 220 |
Buffer bufResult = DefaultRasterManager.getInstance().createMemoryBuffer(prov.getDataType()[0], w, h, nbands, true);
|
|
| 221 |
if(prov.getDataType()[0] != Buffer.TYPE_BYTE) {
|
|
| 198 |
protected Buffer buildTileBuffer(int nbands, int w, int h) {
|
|
| 199 |
Buffer bufResult = DefaultRasterManager.getInstance().createMemoryBuffer(store.getDataType()[0], w, h, nbands, true);
|
|
| 200 |
if(store.getDataType()[0] != Buffer.TYPE_BYTE) {
|
|
| 222 | 201 |
for (int i = 0; i < bufResult.getBandCount(); i++) {
|
| 223 | 202 |
clearMaskBuffer(bufResult, i); |
| 224 | 203 |
} |
Also available in: Unified diff