Revision 11182 trunk/libraries/libRaster/src/org/gvsig/raster/dataset/properties/DatasetHistogram.java
| DatasetHistogram.java | ||
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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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