Revision 11472 trunk/libraries/libRaster/src/org/gvsig/raster/buffer/RasterBuffer.java
| RasterBuffer.java | ||
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| 40 | 40 |
* |
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*/ |
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public abstract class RasterBuffer implements IBuffer {
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public static final int CANCEL_HISTOGRAM = IHistogramable.CANCEL_HISTOGRAM;
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protected boolean[] cancel = new boolean[1];
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public static final int CANCEL_HISTOGRAM = IHistogramable.CANCEL_HISTOGRAM; |
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protected boolean[] cancel = new boolean[1]; |
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//Espacio en memoria (en Megas) que hay que sobrepasar para empezar a cachear. |
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private static int cacheMemorySize = 25; |
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//Espacio en memoria (en Megas) que hay que sobrepasar para empezar a cachear en multipagina. |
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private static int multicacheMemorySize = 100; |
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public double noDataValue = -99999; |
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protected int percent = 0; |
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public double noDataValue = -99999; |
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protected int percent = 0; |
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protected boolean canceled = false; |
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protected int width;
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protected int height;
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protected int nBands;
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protected int dataType;
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protected int width;
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protected int height;
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protected int nBands;
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protected int dataType;
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/** |
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* Variable est?tica que si est? a false desactiva el uso de cach?. Puede ser usada por un cliente |
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* para cargar siempre los datos en memoria. independientemente de su tama?o. |
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*/ |
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public static boolean cacheOn = true; |
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public static boolean cacheOn = true;
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/** |
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* Fuerza la carga de los datos en cach? independientemente de su tama?o. Su |
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* uso suele ser util solo para depuraci?n. Su valor por defecto y recomendado |
| ... | ... | |
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* no tiene datos asignados y tampoco puede ser null. Todas las bandas no validas de un buffer |
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* apuntan por referencia a la misma banda. |
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*/ |
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protected double notValidValue = 0D; |
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protected double notValidValue = 0D; |
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private BufferInterpolation interp = null; |
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/** |
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* Genera instancias del buffer de datos adecuado al tama?o del raster. Si no hay muchos datos |
| ... | ... | |
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return null; |
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} |
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/** |
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* Ajusta el raster al ancho y alto solicitado por el vecino m?s cercano. Promedia el valor de dos |
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* pixeles contiguos. |
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* @param w Nuevo ancho |
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* @param h Nuevo alto |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.dataset.IBuffer#isInside(int, int) |
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*/ |
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private RasterBuffer adjustRasterNearestNeighbourInterpolation(int w, int h) {
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double stepX = (double)w / (double)width; |
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double stepY = (double)h / (double)height; |
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RasterBuffer rasterBuf = new RasterMemoryBuffer(getDataType(), w, h, getBandCount(), true); |
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int[] bands = new int[rasterBuf.getBandCount()]; |
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for(int iBand = 0; iBand < rasterBuf.getBandCount(); iBand ++) |
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bands[iBand] = iBand; |
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switch (dataType) {
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case RasterBuffer.TYPE_BYTE: |
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for(int iBand = 0; iBand < bands.length; iBand ++) {
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if(w <= width) { //submuestreo
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for(int iRow = 0; iRow < height; iRow ++) |
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for(int iCol = 0; iCol < width; iCol ++) |
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rasterBuf.setElem((int)(iRow * stepY), (int)(iCol * stepX), bands[iBand], getElemByte(iRow, iCol, iBand)); |
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}else{ //supermuestreo
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for(int iRow = 0; iRow < h; iRow ++) |
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for(int iCol = 0; iCol < w; iCol ++) |
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rasterBuf.setElem(iRow, iCol, bands[iBand], getElemByte((int)(iRow / stepY), (int)(iCol / stepX), iBand)); |
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} |
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} |
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break; |
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case RasterBuffer.TYPE_DOUBLE: |
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for(int iBand = 0; iBand < bands.length; iBand ++) {
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if(w <= width) { //submuestreo
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for(int iRow = 0; iRow < height; iRow ++) |
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for(int iCol = 0; iCol < width; iCol ++) |
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rasterBuf.setElem((int)(iRow * stepY), (int)(iCol * stepX), bands[iBand], getElemDouble(iRow, iCol, iBand)); |
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}else{ //supermuestreo
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for(int iRow = 0; iRow < h; iRow ++) |
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for(int iCol = 0; iCol < w; iCol ++) |
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rasterBuf.setElem(iRow, iCol, bands[iBand], getElemDouble((int)(iRow / stepY), (int)(iCol / stepX), iBand)); |
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} |
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} |
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break; |
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case RasterBuffer.TYPE_FLOAT: |
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for(int iBand = 0; iBand < bands.length; iBand ++) {
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if(w <= width) { //submuestreo
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for(int iRow = 0; iRow < height; iRow ++) |
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for(int iCol = 0; iCol < width; iCol ++) |
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rasterBuf.setElem((int)(iRow * stepY), (int)(iCol * stepX), bands[iBand], getElemFloat(iRow, iCol, iBand)); |
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}else{ //supermuestreo
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for(int iRow = 0; iRow < h; iRow ++) |
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for(int iCol = 0; iCol < w; iCol ++) |
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rasterBuf.setElem(iRow, iCol, bands[iBand], getElemFloat((int)(iRow / stepY), (int)(iCol / stepX), iBand)); |
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} |
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} |
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break; |
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case RasterBuffer.TYPE_INT: |
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for(int iBand = 0; iBand < bands.length; iBand ++) {
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if(w <= width) { //submuestreo
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for(int iRow = 0; iRow < height; iRow ++) |
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for(int iCol = 0; iCol < width; iCol ++) |
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rasterBuf.setElem((int)(iRow * stepY), (int)(iCol * stepX), bands[iBand], getElemInt(iRow, iCol, iBand)); |
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}else{ //supermuestreo
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for(int iRow = 0; iRow < h; iRow ++) |
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for(int iCol = 0; iCol < w; iCol ++) |
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rasterBuf.setElem(iRow, iCol, bands[iBand], getElemInt((int)(iRow / stepY), (int)(iCol / stepX), iBand)); |
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} |
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} |
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break; |
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case RasterBuffer.TYPE_USHORT: |
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case RasterBuffer.TYPE_SHORT: |
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for(int iBand = 0; iBand < bands.length; iBand ++) {
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if(w <= width) { //submuestreo
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for(int iRow = 0; iRow < height; iRow ++) |
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for(int iCol = 0; iCol < width; iCol ++) |
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rasterBuf.setElem((int)(iRow * stepY), (int)(iCol * stepX), bands[iBand], getElemShort(iRow, iCol, iBand)); |
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}else{ //supermuestreo
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for(int iRow = 0; iRow < h; iRow ++) |
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for(int iCol = 0; iCol < w; iCol ++) |
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rasterBuf.setElem(iRow, iCol, bands[iBand], getElemShort((int)(iRow / stepY), (int)(iCol / stepX), iBand)); |
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} |
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} |
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break; |
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} |
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return rasterBuf; |
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public boolean isInside(int x, int y) {
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if (x < 0 || y < 0 || x >= getWidth() || y >= getHeight()) |
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return false; |
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return true; |
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} |
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/** |
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* Ajusta el raster al ancho y alto solicitado ajustando con una interpolaci?n bilineal. Promedia |
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* el valor de cuatro pixeles adyacentes. |
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* @param w Nuevo ancho |
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* @param h Nuevo alto |
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*/ |
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private RasterBuffer adjustRasterBilinearInterpolation(int w, int h) {
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double pxSize = (double)width / (double)w; |
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RasterBuffer rasterBuf = new RasterMemoryBuffer(getDataType(), w, h, getBandCount(), true); |
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double posX = pxSize / 2D; |
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double posY = posX; |
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double dx = 0D, dy = 0D; |
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for(int iBand = 0; iBand < getBandCount(); iBand ++) {
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posY = pxSize / 2D; |
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switch (dataType) {
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case RasterBuffer.TYPE_BYTE: |
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for(int iRow = 0; iRow < h; iRow ++) {
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dy = posY - ((int)posY); |
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posX = pxSize / 2D; |
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for(int iCol = 0; iCol < w; iCol ++) {
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dx = posX - ((int)posX); |
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double[] kernel = getKernelByte(((int)posX), ((int)posY), iBand); |
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double[] nz = getBilinearNZ(dx, dy, kernel); |
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double b = 0; |
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if(nz[0] > 0.0) |
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b = (nz[1] / nz[0]); |
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rasterBuf.setElem(iRow, iCol, iBand, (byte)((byte)b & 0xff)); |
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posX += pxSize; |
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} |
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posY += pxSize; |
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} |
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break; |
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case RasterBuffer.TYPE_SHORT: |
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for(int iRow = 0; iRow < h; iRow ++) {
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dy = posY - ((int)posY); |
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posX = pxSize / 2D; |
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for(int iCol = 0; iCol < w; iCol ++) {
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dx = posX - ((int)posX); |
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double[] kernel = getKernelShort(((int)posX), ((int)posY), iBand); |
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double[] nz = getBilinearNZ(dx, dy, kernel); |
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double b = 0; |
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if(nz[0] > 0.0) |
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b = (nz[1] / nz[0]); |
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rasterBuf.setElem(iRow, iCol, iBand, (short)((short)b & 0xffff)); |
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posX += pxSize; |
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} |
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posY += pxSize; |
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} |
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break; |
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case RasterBuffer.TYPE_INT: |
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for(int iRow = 0; iRow < h; iRow ++) {
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dy = posY - ((int)posY); |
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posX = pxSize / 2D; |
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for(int iCol = 0; iCol < w; iCol ++) {
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dx = posX - ((int)posX); |
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double[] kernel = getKernelInt(((int)posX), ((int)posY), iBand); |
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double[] nz = getBilinearNZ(dx, dy, kernel); |
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double b = 0; |
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if(nz[0] > 0.0) |
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b = (nz[1] / nz[0]); |
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rasterBuf.setElem(iRow, iCol, iBand, (int)((int)b & 0xff)); |
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posX += pxSize; |
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} |
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posY += pxSize; |
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} |
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break; |
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case RasterBuffer.TYPE_FLOAT: |
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for(int iRow = 0; iRow < h; iRow ++) {
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dy = posY - ((int)posY); |
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posX = pxSize / 2D; |
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for(int iCol = 0; iCol < w; iCol ++) {
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dx = posX - ((int)posX); |
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double[] kernel = getKernelFloat(((int)posX), ((int)posY), iBand); |
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double[] nz = getBilinearNZ(dx, dy, kernel); |
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double b = 0; |
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if(nz[0] > 0.0) |
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b = (nz[1] / nz[0]); |
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rasterBuf.setElem(iRow, iCol, iBand, (float)b); |
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posX += pxSize; |
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} |
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posY += pxSize; |
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} |
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break; |
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case RasterBuffer.TYPE_DOUBLE: |
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for(int iRow = 0; iRow < h; iRow ++) {
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dy = posY - ((int)posY); |
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posX = pxSize / 2D; |
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for(int iCol = 0; iCol < w; iCol ++) {
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dx = posX - ((int)posX); |
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double[] kernel = getKernelDouble(((int)posX), ((int)posY), iBand); |
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double[] nz = getBilinearNZ(dx, dy, kernel); |
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double b = 0; |
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if(nz[0] > 0.0) |
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b = (nz[1] / nz[0]); |
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rasterBuf.setElem(iRow, iCol, iBand, (double)b); |
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posX += pxSize; |
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} |
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posY += pxSize; |
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} |
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break; |
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} |
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} |
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return rasterBuf; |
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} |
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/** |
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* Calcula los valores N y Z para el m?todo bilinear |
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* @param dx distancia en X desde el centro del pixel hasta el punto. Es un valor entre 0 y 1 |
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* @param dy distancia en Y desde el centro del pixel hasta el punto. Es un valor entre 0 y 1 |
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* @param kernel valor del pixel y alrededor |
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* @return valore de N y Z |
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*/ |
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private double[] getBilinearNZ(double dx, double dy, double[] kernel) {
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double z = 0.0, n = 0.0, d; |
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d = (1.0 - dx) * (1.0 - dy); |
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z += d * kernel[0]; |
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n += d; |
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d = dx * (1.0 - dy); |
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z += d * kernel[1]; |
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n += d; |
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d = (1.0 - dx) * dy; |
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z += d * kernel[2]; |
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n += d; |
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d = dx * dy; |
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z += d * kernel[3]; |
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n += d; |
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return new double[]{n, z};
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} |
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|
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/** |
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* Calcula los valores N y Z para el m?todo bilinear |
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* @param dx distancia en X desde el centro del pixel hasta el punto. Es un valor entre 0 y 1 |
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* @param dy distancia en Y desde el centro del pixel hasta el punto. Es un valor entre 0 y 1 |
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* @param kernel valor del pixel y alrededor |
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* @return valore de N y Z |
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*/ |
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private double[] getInverseDistanceNZ(double dx, double dy, double[] kernel) {
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double z = 0.0, n = 0.0, d; |
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d = 1.0 / Math.sqrt(dx * dx + dy * dy); |
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z += d * kernel[0]; |
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n += d; |
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d = 1.0 / Math.sqrt((1.0 - dx) * ( 1.0 - dx) + dy * dy); |
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z += d * kernel[1]; |
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n += d; |
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d = 1.0 / Math.sqrt(dx*dx + (1.0-dy)*(1.0-dy)); |
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z += d * kernel[2]; |
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n += d; |
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d = 1.0 / Math.sqrt((1.0 - dx) *( 1.0 - dx) + (1.0 - dy) * (1.0 - dy)); |
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z += d * kernel[3]; |
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n += d; |
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return new double[]{n, z};
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} |
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/** |
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* Obtiene un kernel de cuatro elemento que corresponden a los pixeles (x, y), (x + 1, y), |
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* (x, y + 1), (x + 1, y + 1). Si los pixeles x + 1 o y + 1 se salen del raster de origen |
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* se tomar? x e y. |
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* @param x Coordenada X del pixel inicial |
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* @param y Coordenada Y del pixel inicial |
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* @param band N?mero de banda. |
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* @return Kernel solicitado en forma de array. |
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*/ |
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private double[] getKernelByte(int x, int y, int band) {
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double[] d = new double[4]; |
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d[0] = (getElemByte(y, x, band) & 0xff); |
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int nextX = ((x + 1) >= getWidth()) ? x : (x + 1); |
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int nextY = ((y + 1) >= getHeight()) ? y : (y + 1); |
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d[1] = (getElemByte(y, nextX, band) & 0xff); |
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d[2] = (getElemByte(nextY, x, band) & 0xff); |
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d[3] = (getElemByte(nextY, nextX, band) & 0xff); |
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return d; |
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} |
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|
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/** |
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* Obtiene un kernel de cuatro elemento que corresponden a los pixeles (x, y), (x + 1, y), |
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* (x, y + 1), (x + 1, y + 1). Si los pixeles x + 1 o y + 1 se salen del raster de origen |
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* se tomar? x e y. |
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* @param x Coordenada X del pixel inicial |
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* @param y Coordenada Y del pixel inicial |
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* @param band N?mero de banda. |
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* @return Kernel solicitado en forma de array. |
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*/ |
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private double[] getKernelShort(int x, int y, int band) {
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double[] d = new double[4]; |
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d[0] = (getElemShort(y, x, band) & 0xffff); |
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int nextX = ((x + 1) >= getWidth()) ? x : (x + 1); |
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int nextY = ((y + 1) >= getHeight()) ? y : (y + 1); |
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d[1] = (getElemShort(y, nextX, band) & 0xffff); |
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d[2] = (getElemShort(nextY, x, band) & 0xffff); |
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d[3] = (getElemShort(nextY, nextX, band) & 0xffff); |
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return d; |
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} |
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|
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/** |
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* Obtiene un kernel de cuatro elemento que corresponden a los pixeles (x, y), (x + 1, y), |
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* (x, y + 1), (x + 1, y + 1). Si los pixeles x + 1 o y + 1 se salen del raster de origen |
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* se tomar? x e y. |
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* @param x Coordenada X del pixel inicial |
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* @param y Coordenada Y del pixel inicial |
|
| 570 |
* @param band N?mero de banda. |
|
| 571 |
* @return Kernel solicitado en forma de array. |
|
| 572 |
*/ |
|
| 573 |
private double[] getKernelInt(int x, int y, int band) {
|
|
| 574 |
double[] d = new double[4]; |
|
| 575 |
d[0] = (getElemInt(y, x, band) & 0xffffffff); |
|
| 576 |
int nextX = ((x + 1) >= getWidth()) ? x : (x + 1); |
|
| 577 |
int nextY = ((y + 1) >= getHeight()) ? y : (y + 1); |
|
| 578 |
d[1] = (getElemInt(y, nextX, band) & 0xffffffff); |
|
| 579 |
d[2] = (getElemInt(nextY, x, band) & 0xffffffff); |
|
| 580 |
d[3] = (getElemInt(nextY, nextX, band) & 0xffffffff); |
|
| 581 |
return d; |
|
| 582 |
} |
|
| 583 |
|
|
| 584 |
/** |
|
| 585 |
* Obtiene un kernel de cuatro elemento que corresponden a los pixeles (x, y), (x + 1, y), |
|
| 586 |
* (x, y + 1), (x + 1, y + 1). Si los pixeles x + 1 o y + 1 se salen del raster de origen |
|
| 587 |
* se tomar? x e y. |
|
| 588 |
* @param x Coordenada X del pixel inicial |
|
| 589 |
* @param y Coordenada Y del pixel inicial |
|
| 590 |
* @param band N?mero de banda. |
|
| 591 |
* @return Kernel solicitado en forma de array. |
|
| 592 |
*/ |
|
| 593 |
private double[] getKernelFloat(int x, int y, int band) {
|
|
| 594 |
double[] d = new double[4]; |
|
| 595 |
d[0] = getElemFloat(y, x, band); |
|
| 596 |
int nextX = ((x + 1) >= getWidth()) ? x : (x + 1); |
|
| 597 |
int nextY = ((y + 1) >= getHeight()) ? y : (y + 1); |
|
| 598 |
d[1] = getElemFloat(y, nextX, band); |
|
| 599 |
d[2] = getElemFloat(nextY, x, band); |
|
| 600 |
d[3] = getElemFloat(nextY, nextX, band); |
|
| 601 |
return d; |
|
| 602 |
} |
|
| 603 |
|
|
| 604 |
/** |
|
| 605 |
* Obtiene un kernel de cuatro elemento que corresponden a los pixeles (x, y), (x + 1, y), |
|
| 606 |
* (x, y + 1), (x + 1, y + 1). Si los pixeles x + 1 o y + 1 se salen del raster de origen |
|
| 607 |
* se tomar? x e y. |
|
| 608 |
* @param x Coordenada X del pixel inicial |
|
| 609 |
* @param y Coordenada Y del pixel inicial |
|
| 610 |
* @param band N?mero de banda. |
|
| 611 |
* @return Kernel solicitado en forma de array. |
|
| 612 |
*/ |
|
| 613 |
private double[] getKernelDouble(int x, int y, int band) {
|
|
| 614 |
double[] d = new double[4]; |
|
| 615 |
d[0] = getElemDouble(y, x, band); |
|
| 616 |
int nextX = ((x + 1) >= getWidth()) ? x : (x + 1); |
|
| 617 |
int nextY = ((y + 1) >= getHeight()) ? y : (y + 1); |
|
| 618 |
d[1] = getElemDouble(y, nextX, band); |
|
| 619 |
d[2] = getElemDouble(nextY, x, band); |
|
| 620 |
d[3] = getElemDouble(nextY, nextX, band); |
|
| 621 |
return d; |
|
| 622 |
} |
|
| 623 |
|
|
| 624 |
/** |
|
| 625 |
* Ajusta el raster al ancho y alto solicitado ajustando con una interpolaci?n de distancia inversa. |
|
| 626 |
* Asigna el valor de un pixel en funci?n inversa de la distancia. |
|
| 627 |
* |
|
| 628 |
* @param w Nuevo ancho |
|
| 629 |
* @param h Nuevo alto |
|
| 630 |
*/ |
|
| 631 |
private RasterBuffer adjustRasterInverseDistanceInterpolation(int w, int h) {
|
|
| 632 |
double pxSize = (double)width / (double)w; |
|
| 633 |
RasterBuffer rasterBuf = new RasterMemoryBuffer(getDataType(), w, h, getBandCount(), true); |
|
| 634 |
|
|
| 635 |
double posX = pxSize / 2D; |
|
| 636 |
double posY = posX; |
|
| 637 |
double dx = 0D, dy = 0D; |
|
| 638 |
|
|
| 639 |
for(int iBand = 0; iBand < getBandCount(); iBand ++) {
|
|
| 640 |
posY = pxSize / 2D; |
|
| 641 |
switch (dataType) {
|
|
| 642 |
case RasterBuffer.TYPE_BYTE: |
|
| 643 |
for(int iRow = 0; iRow < h; iRow ++) {
|
|
| 644 |
dy = posY - ((int)posY); |
|
| 645 |
posX = pxSize / 2D; |
|
| 646 |
for(int iCol = 0; iCol < w; iCol ++) {
|
|
| 647 |
dx = posX - ((int)posX); |
|
| 648 |
double[] kernel = getKernelByte(((int)posX), ((int)posY), iBand); |
|
| 649 |
double[] nz = getInverseDistanceNZ(dx, dy, kernel); |
|
| 650 |
double b = 0; |
|
| 651 |
if(nz[0] > 0.0) |
|
| 652 |
b = (nz[1] / nz[0]); |
|
| 653 |
rasterBuf.setElem(iRow, iCol, iBand, (byte)((byte)b & 0xff)); |
|
| 654 |
posX += pxSize; |
|
| 655 |
} |
|
| 656 |
posY += pxSize; |
|
| 657 |
} |
|
| 658 |
break; |
|
| 659 |
case RasterBuffer.TYPE_SHORT: |
|
| 660 |
for(int iRow = 0; iRow < h; iRow ++) {
|
|
| 661 |
dy = posY - ((int)posY); |
|
| 662 |
posX = pxSize / 2D; |
|
| 663 |
for(int iCol = 0; iCol < w; iCol ++) {
|
|
| 664 |
dx = posX - ((int)posX); |
|
| 665 |
double[] kernel = getKernelShort(((int)posX), ((int)posY), iBand); |
|
| 666 |
double[] nz = getInverseDistanceNZ(dx, dy, kernel); |
|
| 667 |
double b = 0; |
|
| 668 |
if(nz[0] > 0.0) |
|
| 669 |
b = (nz[1] / nz[0]); |
|
| 670 |
rasterBuf.setElem(iRow, iCol, iBand, (short)((short)b & 0xffff)); |
|
| 671 |
posX += pxSize; |
|
| 672 |
} |
|
| 673 |
posY += pxSize; |
|
| 674 |
} |
|
| 675 |
break; |
|
| 676 |
case RasterBuffer.TYPE_INT: |
|
| 677 |
for(int iRow = 0; iRow < h; iRow ++) {
|
|
| 678 |
dy = posY - ((int)posY); |
|
| 679 |
posX = pxSize / 2D; |
|
| 680 |
for(int iCol = 0; iCol < w; iCol ++) {
|
|
| 681 |
dx = posX - ((int)posX); |
|
| 682 |
double[] kernel = getKernelInt(((int)posX), ((int)posY), iBand); |
|
| 683 |
double[] nz = getInverseDistanceNZ(dx, dy, kernel); |
|
| 684 |
double b = 0; |
|
| 685 |
if(nz[0] > 0.0) |
|
| 686 |
b = (nz[1] / nz[0]); |
|
| 687 |
rasterBuf.setElem(iRow, iCol, iBand, (int)((int)b & 0xff)); |
|
| 688 |
posX += pxSize; |
|
| 689 |
} |
|
| 690 |
posY += pxSize; |
|
| 691 |
} |
|
| 692 |
break; |
|
| 693 |
case RasterBuffer.TYPE_FLOAT: |
|
| 694 |
for(int iRow = 0; iRow < h; iRow ++) {
|
|
| 695 |
dy = posY - ((int)posY); |
|
| 696 |
posX = pxSize / 2D; |
|
| 697 |
for(int iCol = 0; iCol < w; iCol ++) {
|
|
| 698 |
dx = posX - ((int)posX); |
|
| 699 |
double[] kernel = getKernelFloat(((int)posX), ((int)posY), iBand); |
|
| 700 |
double[] nz = getInverseDistanceNZ(dx, dy, kernel); |
|
| 701 |
double b = 0; |
|
| 702 |
if(nz[0] > 0.0) |
|
| 703 |
b = (nz[1] / nz[0]); |
|
| 704 |
rasterBuf.setElem(iRow, iCol, iBand, (float)b); |
|
| 705 |
posX += pxSize; |
|
| 706 |
} |
|
| 707 |
posY += pxSize; |
|
| 708 |
} |
|
| 709 |
break; |
|
| 710 |
case RasterBuffer.TYPE_DOUBLE: |
|
| 711 |
for(int iRow = 0; iRow < h; iRow ++) {
|
|
| 712 |
dy = posY - ((int)posY); |
|
| 713 |
posX = pxSize / 2D; |
|
| 714 |
for(int iCol = 0; iCol < w; iCol ++) {
|
|
| 715 |
dx = posX - ((int)posX); |
|
| 716 |
double[] kernel = getKernelDouble(((int)posX), ((int)posY), iBand); |
|
| 717 |
double[] nz = getInverseDistanceNZ(dx, dy, kernel); |
|
| 718 |
double b = 0; |
|
| 719 |
if(nz[0] > 0.0) |
|
| 720 |
b = (nz[1] / nz[0]); |
|
| 721 |
rasterBuf.setElem(iRow, iCol, iBand, (double)b); |
|
| 722 |
posX += pxSize; |
|
| 723 |
} |
|
| 724 |
posY += pxSize; |
|
| 725 |
} |
|
| 726 |
break; |
|
| 727 |
} |
|
| 728 |
|
|
| 729 |
} |
|
| 730 |
|
|
| 731 |
return rasterBuf; |
|
| 732 |
} |
|
| 733 |
|
|
| 734 |
/** |
|
| 735 |
* Ajusta el raster al ancho y alto solicitado ajustando con una interpolaci?n de spline bicubica. |
|
| 736 |
* @param w Nuevo ancho |
|
| 737 |
* @param h Nuevo alto |
|
| 738 |
*/ |
|
| 739 |
private RasterBuffer adjustRasterBicubicSplineInterpolation(int w, int h) {
|
|
| 740 |
return this; |
|
| 741 |
} |
|
| 742 |
|
|
| 743 |
/** |
|
| 744 |
* Ajusta el raster al ancho y alto solicitado ajustando con una interpolaci?n BSpline. |
|
| 745 |
* @param w Nuevo ancho |
|
| 746 |
* @param h Nuevo alto |
|
| 747 |
*/ |
|
| 748 |
private RasterBuffer adjustRasterBSplineInterpolation(int w, int h) {
|
|
| 749 |
return this; |
|
| 750 |
} |
|
| 751 |
|
|
| 284 |
|
|
| 752 | 285 |
/* |
| 753 | 286 |
* (non-Javadoc) |
| 754 | 287 |
* @see org.gvsig.fmap.driver.IBuffer#getNoDataValue() |
| ... | ... | |
| 827 | 360 |
* @param interpolation M?todo de interpolaci?n que se usar? en el ajuste. |
| 828 | 361 |
*/ |
| 829 | 362 |
public RasterBuffer getAdjustedWindow(int w, int h, int interpolationMethod) {
|
| 363 |
if(interp == null) |
|
| 364 |
interp = new BufferInterpolation(this); |
|
| 365 |
|
|
| 830 | 366 |
if(w == getWidth() && h == getHeight()) |
| 831 | 367 |
return this; |
| 832 | 368 |
RasterBuffer rasterBuf = null; |
| 833 | 369 |
switch(interpolationMethod) {
|
| 834 |
case IQueryableRaster.INTERPOLATION_NearestNeighbour:
|
|
| 835 |
rasterBuf = adjustRasterNearestNeighbourInterpolation(w, h); |
|
| 370 |
case BufferInterpolation.INTERPOLATION_NearestNeighbour:
|
|
| 371 |
rasterBuf = interp.adjustRasterNearestNeighbourInterpolation(w, h);
|
|
| 836 | 372 |
break; |
| 837 |
case IQueryableRaster.INTERPOLATION_Bilinear:
|
|
| 838 |
rasterBuf = adjustRasterBilinearInterpolation(w, h); |
|
| 373 |
case BufferInterpolation.INTERPOLATION_Bilinear:
|
|
| 374 |
rasterBuf = interp.adjustRasterBilinearInterpolation(w, h);
|
|
| 839 | 375 |
break; |
| 840 |
case IQueryableRaster.INTERPOLATION_InverseDistance:
|
|
| 841 |
rasterBuf = adjustRasterInverseDistanceInterpolation(w, h); |
|
| 376 |
case BufferInterpolation.INTERPOLATION_InverseDistance:
|
|
| 377 |
rasterBuf = interp.adjustRasterInverseDistanceInterpolation(w, h);
|
|
| 842 | 378 |
break; |
| 843 |
case IQueryableRaster.INTERPOLATION_BicubicSpline:
|
|
| 844 |
rasterBuf = adjustRasterBicubicSplineInterpolation(w, h); |
|
| 379 |
case BufferInterpolation.INTERPOLATION_BicubicSpline:
|
|
| 380 |
rasterBuf = interp.adjustRasterBicubicSplineInterpolation(w, h);
|
|
| 845 | 381 |
break; |
| 846 |
case IQueryableRaster.INTERPOLATION_BSpline:
|
|
| 847 |
rasterBuf = adjustRasterBSplineInterpolation(w, h); |
|
| 382 |
case BufferInterpolation.INTERPOLATION_BSpline:
|
|
| 383 |
rasterBuf = interp.adjustRasterBSplineInterpolation(w, h);
|
|
| 848 | 384 |
break; |
| 849 | 385 |
} |
| 850 | 386 |
return rasterBuf; |
Also available in: Unified diff