Revision 11067 trunk/libraries/libRaster/src/org/gvsig/raster/dataset/properties/DatasetListHistogram.java
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package org.gvsig.raster.dataset.properties; |
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import org.gvsig.raster.dataset.FileNotOpenException; |
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import org.gvsig.raster.dataset.IBuffer; |
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import org.gvsig.raster.dataset.RasterDataset; |
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import org.gvsig.raster.dataset.RasterDriverException; |
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import org.gvsig.raster.dataset.RasterMultiDataset; |
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import org.gvsig.raster.util.DataClassList; |
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/** |
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* clases en las que se divide el histograma |
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*/ |
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private DataClassList classes = null;
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private DataClassList classes = null; |
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/** |
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* Histograma de la imagen completa |
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*/ |
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private Histogram histogram = null; |
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private Histogram histogram = null;
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/** |
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* Dataset del cual se calcula el histograma |
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*/ |
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private RasterMultiDataset multiDataset = null;
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private RasterMultiDataset multiDataset = null; |
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/** |
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* Variable para saber si se ha parado el proceso |
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*/ |
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private boolean canceled = false; |
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/** |
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* Constructor |
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* @param dataset |
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*/ |
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int nBands = 0; |
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Histogram[] hList = new Histogram[multiDataset.getDatasetCount()]; |
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for (int i = 0; i < hList.length; i++) {
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if (canceled) return null; |
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multiDataset.getDataset(i).getHistogram().setClasses(classes); |
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hList[i] = multiDataset.getDataset(i).getHistogram().getHistogram(); |
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nBands += hList[i].getNumBands(); |
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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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for (int iPxValue = 0; iPxValue < hList[iDataset].getBandLenght(iBand); iPxValue ++) {
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if (isCanceled()) return null; |
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histogram.setHistogramValue(band, iPxValue, hList[iDataset].getHistogramValue(iBand, iPxValue)); |
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} |
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band ++; |
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percent = percent / multiDataset.getDatasetCount(); |
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return percent; |
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} |
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/** |
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* Metodo para poder cancelar el proceso. |
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*/ |
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public void cancel() {
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canceled = true; |
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} |
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/** |
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* Metodo para saber si se ha cancelado un proceso |
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* @return boolean |
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*/ |
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public boolean isCanceled() {
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return canceled; |
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} |
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} |
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