Revision 11182
| trunk/libraries/libRaster/src/org/gvsig/raster/dataset/properties/DatasetListHistogram.java | ||
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| 54 | 54 |
* @return histograma |
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*/ |
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public Histogram getHistogram()throws FileNotOpenException, RasterDriverException{
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if(multiDataset != null) {
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if (multiDataset != null) {
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//Obtenemos los histogramas de cada dataset |
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Histogram[] hList = new Histogram[multiDataset.getDatasetCount()]; |
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double max = Double.MIN_VALUE; |
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double min = Double.MAX_VALUE; |
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for (int i = 0; i < hList.length; i++) {
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hList[i] = multiDataset.getDataset(i).getHistogram().getHistogram(); |
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if (max < multiDataset.getDataset(i).getHistogram().getMaximum()) |
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max = multiDataset.getDataset(i).getHistogram().getMaximum(); |
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if (min > multiDataset.getDataset(i).getHistogram().getMinimum()) |
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min = multiDataset.getDataset(i).getHistogram().getMinimum(); |
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| 62 | 68 |
if (isCanceled() || (hList[i] == null)) |
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return null; |
| 64 | 70 |
} |
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if(hList[0].getNumBands() == 0) |
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if (hList[0].getNumBands() == 0)
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return null; |
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histogram = new Histogram(multiDataset.getBandCount(), hList[0].getNumValues(), min, max); |
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histogram = new Histogram(multiDataset.getBandCount(), hList[0].getNumValues()); |
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int band = 0; |
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for (int iDataset = 0; iDataset < hList.length; iDataset++) {
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for (int iBand = 0; iBand < hList[iDataset].getNumBands(); iBand++) {
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| 75 | 80 |
for (int iPxValue = 0; iPxValue < hList[iDataset].getBandLenght(iBand); iPxValue ++) {
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| 76 | 81 |
if (isCanceled()) |
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return null; |
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histogram.setHistogramValue(band, iPxValue, hList[iDataset].getHistogramValue(iBand, iPxValue));
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histogram.setHistogramValueByPos(band, iPxValue, (long) hList[iDataset].getHistogramValueByPos(iBand, iPxValue));
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} |
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band ++; |
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} |
| trunk/libraries/libRaster/src/org/gvsig/raster/dataset/properties/DatasetStatistics.java | ||
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| 193 | 193 |
*/ |
| 194 | 194 |
public void calcFullStatistics() throws FileNotOpenException, RasterDriverException{
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| 195 | 195 |
long t2; |
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long t1 = new Date().getTime();
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long t1 = new Date().getTime();
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int type = grf.getDataType(); |
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max = new double[grf.getBandCount()]; |
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min = new double[grf.getBandCount()]; |
| ... | ... | |
| 227 | 227 |
case IBuffer.TYPE_DOUBLE: d = (double[])buf;break; |
| 228 | 228 |
} |
| 229 | 229 |
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for(int col = 0; col < grf.getWidth(); col ++){
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for (int col = 0; col < grf.getWidth(); col ++){
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double z = (b != null) ? (b[col] & 0xff) : ((s != null) ? (s[col] & 0xffff) : ((i != null) ? (i[col] & 0xffffff) : (f != null) ? f[col] : d[col])); |
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if(line == 0 && col == 0){
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if (line == 0 && col == 0){
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min[iBand] = z; |
| 234 | 234 |
secondMin[iBand] = z; |
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max[iBand] = z; |
| 236 | 236 |
secondMax[iBand] = z; |
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continue; |
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} |
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if( min[iBand] > z ){
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if ( min[iBand] > z ){
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secondMin[iBand] = min[iBand]; |
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min[iBand] = z; |
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} |
| 243 | 243 |
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if( secondMin[iBand] == min[iBand] && min[iBand] < z) |
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if ( secondMin[iBand] == min[iBand] && min[iBand] < z)
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secondMin[iBand] = z; |
| 246 | 246 |
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if( max[iBand] < z ){
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if ( max[iBand] < z ){
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secondMax[iBand] = max[iBand]; |
| 249 | 249 |
max[iBand] = z; |
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} |
| 251 | 251 |
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if( secondMax[iBand] == max[iBand] && max[iBand] > z) |
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if ( secondMax[iBand] == max[iBand] && max[iBand] > z)
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secondMax[iBand] = z; |
| 254 | 254 |
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mean[iBand] += z; |
| trunk/libraries/libRaster/src/org/gvsig/raster/dataset/properties/DatasetHistogram.java | ||
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| 55 | 55 |
public DatasetHistogram(RasterDataset dataset){
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this.dataset = dataset; |
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} |
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/** |
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* Obtiene el minimo valor de las estadisticas de un histograma. |
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* @return double |
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*/ |
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public double getMinimum() {
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return dataset.getStatistics().getMinimun(); |
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} |
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/** |
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* Obtiene el maximo valor de las estadisticas de un histograma. |
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* @return double |
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*/ |
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public double getMaximum() {
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return dataset.getStatistics().getMaximun(); |
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} |
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/** |
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* Obtiene el histograma. Si puede conseguirlo del fichero rmf ir? all? a |
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* buscarlo sino lo calcular?. |
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* @return histograma |
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*/ |
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public Histogram getHistogram() throws FileNotOpenException, RasterDriverException {
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try {
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if (dataset != null) {
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if (dataset != null) {
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dataset.getStatistics().calcFullStatistics(); |
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if (dataset.getDataType() == IBuffer.TYPE_BYTE) |
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histogram = new Histogram(dataset.getBandCount(), 255); |
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histogram = new Histogram(dataset.getBandCount(), 255, dataset.getStatistics().getMinimun(), dataset.getStatistics().getMaximun());
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else |
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histogram = new Histogram(dataset.getBandCount(), RasterLibrary.defaultNumberOfClasses); |
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histogram = new Histogram(dataset.getBandCount(), RasterLibrary.defaultNumberOfClasses, dataset.getStatistics().getMinimun(), dataset.getStatistics().getMaximun());
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return getHistogramByDataType(); |
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} |
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