Revision 11714 trunk/libraries/libRaster/src/org/gvsig/raster/grid/filter/enhancement/LinearEnhancementFilter.java
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import org.gvsig.raster.dataset.properties.DatasetListStatistics; |
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import org.gvsig.raster.grid.filter.RasterFilter; |
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/** |
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* Clase base para los filtros de realzado lineal. Lee el m?nimo y m?xmo de la clase |
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* Statistic que ser?n calculados por PercentTailTrimFilter o ComputeMinMaxFilter dependiendo |
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* removeExtrema est? a true. |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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*/ |
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public abstract class LinearEnhancementFilter extends RasterFilter {
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public class LinearEnhancementFilter extends RasterFilter {
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public static String genericName = "enhanced"; |
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protected double[] scale = new double[3]; |
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stats = (DatasetListStatistics) params.get("stats");
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removeEnds = ((Boolean) params.get("remove")).booleanValue();
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tailTrim = ((Double) params.get("tailTrim")).doubleValue();
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renderBands = (int[])params.get("renderBands");
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height = raster.getHeight(); |
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width = raster.getWidth(); |
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if(tailTrim != 0) { //Max y Min con recorte de colas
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if(tailTrim != 0){ //Max y Min con recorte de colas
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double[][] tailTrimByBand = (double[][])stats.getTailTrimValue(tailTrim); |
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scale = new double[tailTrimByBand.length]; |
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offset = new double[tailTrimByBand.length]; |
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minBandValue = new double[tailTrimByBand.length]; |
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maxBandValue = new double[tailTrimByBand.length]; |
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for(int i = 0; i < tailTrimByBand.length; i++) {
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for(int i = 0; i < tailTrimByBand.length; i++){
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minBandValue[i] = tailTrimByBand[i][0]; |
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maxBandValue[i] = tailTrimByBand[i][1]; |
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} |
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} else {
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}else{
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scale = new double[stats.getMin().length]; |
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offset = new double[stats.getMin().length]; |
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if (removeEnds) { //Si est? activado eliminar extremos gastamos el 2? m?ximo/m?nimo
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for (int i = 0; i < minBandValue.length; i++) {
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scale[i] = 255D / (maxBandValue[i] - minBandValue[i]); |
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offset[i] = (255D * minBandValue[i]) / (minBandValue[i] - maxBandValue[i]); |
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offset[i] = (255D * minBandValue[i]) / (minBandValue[i] - |
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maxBandValue[i]); |
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} |
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nbands = stats.getBandCount(); |
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* @see org.gvsig.raster.grid.filter.IRasterFilter#getUIParams() |
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*/ |
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public Params getUIParams() {
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return null; |
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Params params = new Params(); |
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return params; |
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} |
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/* |
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} |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.grid.filter.RasterFilter#getInRasterDataType() |
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*/ |
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public int getInRasterDataType() {
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return 0; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.grid.filter.RasterFilter#getUIDefaultParams() |
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*/ |
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public Params getUIDefaultParams() {
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Params params = new Params(); |
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return params; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.grid.filter.RasterFilter#process(int, int) |
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*/ |
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public void process(int x, int y) {
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} |
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} |
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