svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libRaster / src / org / gvsig / raster / grid / filter / enhancement / EnhancementStretchListManager.java @ 29786
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/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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*
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* Copyright (C) 2006 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.gvsig.raster.grid.filter.enhancement; |
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import java.util.ArrayList; |
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import org.gvsig.raster.dataset.FileNotOpenException; |
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import org.gvsig.raster.dataset.Params; |
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import org.gvsig.raster.dataset.RasterDriverException; |
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import org.gvsig.raster.grid.filter.FilterTypeException; |
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import org.gvsig.raster.grid.filter.IRasterFilterListManager; |
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import org.gvsig.raster.grid.filter.RasterFilter; |
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import org.gvsig.raster.grid.filter.RasterFilterList; |
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import org.gvsig.raster.grid.filter.RasterFilterListManager; |
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import org.gvsig.raster.grid.filter.enhancement.LinearStretchParams.Stretch; |
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import org.gvsig.raster.grid.filter.statistics.StatisticsListManager; |
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import org.gvsig.raster.hierarchy.IStatistics; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.extensionpoint.ExtensionPoint; |
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import org.gvsig.tools.extensionpoint.ExtensionPointManager; |
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/**
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* Gestor de la pila de filtros para el filtro de realce por intervalos.
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class EnhancementStretchListManager implements IRasterFilterListManager { |
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protected RasterFilterList filterList = null; |
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private RasterFilterListManager filterListManager = null; |
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private IStatistics stats = null; |
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/**
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* Constructor
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* @param filterListManager
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*/
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public EnhancementStretchListManager(RasterFilterListManager filterListManager) {
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this.filterListManager = filterListManager;
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this.filterList = filterListManager.getFilterList();
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stats = (IStatistics)filterList.getEnvParam("IStatistics");
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} |
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/**
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* Asigna el objeto con las estadisticas.
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* @param stats
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*/
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public void setStatistics(IStatistics stats) { |
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this.stats = stats;
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} |
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/**
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* Registra EnhancementStretchListManager en los puntos de extension de RasterFilter
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*/
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public static void register() { |
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ExtensionPointManager extensionPoints =ToolsLocator.getExtensionPointManager(); |
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ExtensionPoint point=extensionPoints.get("RasterFilter");
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point.append("EnhancementStretch", "", EnhancementStretchListManager.class); |
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} |
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/**
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* A�ade un filtro de realce.
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* La forma de inserci�n del filtro es fija ya que la inserci�n de un realce lleva implicita
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* la inserci�n de un filtro de recorte de colas (tailtrim), aunque no en todos los casos.
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* Si ya existe un filtro de realce en la lista se obtiene la posici�n de este.
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* Si es necesario un recorte de colas entonces se comprueba si existe un uno reemplazandose
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* por el nuevo y sino se insertar� uno. Al final reemplazamos el realce que existia.
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*
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* Si por el contrario no existen realce ni trim se a�aden ambos al final de la lista.
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* @param stats Objeto de estadisticas asociado
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* @param tailTrim porcentaje de recorte de colas. Ser� un valor entre 0 y 1.
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* @param insertionMode Modo de inserci�n
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* @param renderBands bandas RGB mostradas en la visualizaci�n.
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* @throws FilterTypeException
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*/
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public void addEnhancedStretchFilter(LinearStretchParams leParams, IStatistics stats, int[] renderBands, boolean removeEnds) throws FilterTypeException { |
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try {
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if (!leParams.hasTailTrim()) { // En este caso siempre es necesario el m�ximo y |
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// m�nimo
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if (!stats.isCalculated())
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try {
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stats.calcFullStatistics(); |
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} catch (FileNotOpenException e) {
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// No podemos aplicar el filtro
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return;
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} catch (RasterDriverException e) {
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// No podemos aplicar el filtro
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return;
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} |
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} else {
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StatisticsListManager slm = new StatisticsListManager(filterListManager, stats);
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slm.addTailFilter(leParams.getTailTrimList(), 0D, removeEnds, stats);
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} |
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RasterFilter filter = createEnhancedFilter(leParams, stats, renderBands, removeEnds); |
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if (filter != null) |
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filterList.add(filter); |
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} catch (InterruptedException e) { |
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//Si se ha interrumpido no a�adimos el filtro
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} |
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} |
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/**
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* Crea un filtro de realce por tramos de forma est�tica
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* @param leParams Par�metros del filtro
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* @param stats
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* @param renderBands
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* @return
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*/
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public static RasterFilter createEnhancedFilter(LinearStretchParams leParams, IStatistics stats, int[] renderBands, boolean removeEnds) { |
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RasterFilter filter = new LinearStretchEnhancementFloatFilter();
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if (filter != null) { |
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filter.addParam("stats", stats);
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filter.addParam("remove", new Boolean(false)); |
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filter.addParam("renderBands", renderBands);
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filter.addParam("stretchs", leParams);
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filter.addParam("remove", new Boolean(removeEnds)); |
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} |
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return filter;
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} |
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/**
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* Convierte un array de dobles a una cadena
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* @param values
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* @return
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*/
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private String convertArrayToString(double[] values) { |
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StringBuffer buffer = new StringBuffer(); |
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for (int i = 0; i < values.length; i++) { |
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buffer.append(values[i]); |
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if (i < (values.length - 1)) |
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buffer.append(",");
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} |
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return buffer.toString();
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} |
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/**
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* Convierte una array de enteros a una cadena
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* @param values
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* @return
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*/
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private String convertArrayToString(int[] values) { |
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StringBuffer buffer = new StringBuffer(); |
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for (int i = 0; i < values.length; i++) { |
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buffer.append(values[i]); |
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if (i < (values.length - 1)) |
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buffer.append(",");
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} |
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return buffer.toString();
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} |
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/**
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* Convierte una cadena a un array de enteros
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* @param from
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* @return
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*/
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private int[] StringToIntegerArray(String from) { |
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String[] valueList = from.split(","); |
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int[] values = new int[valueList.length]; |
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for (int i = 0; i < values.length; i++) |
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try {
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values[i] = Integer.parseInt(valueList[i]);
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} catch (NumberFormatException e) { |
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} |
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return values;
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} |
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/**
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* Convierte una cadena a un array de dobles
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* @param from
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* @return
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*/
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private double[] StringToDoubleArray(String from) { |
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String[] valueList = from.split(","); |
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double[] values = new double[valueList.length]; |
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for (int i = 0; i < values.length; i++) |
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try {
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values[i] = Double.parseDouble(valueList[i]);
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} catch (NumberFormatException e) { |
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} |
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return values;
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} |
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/**
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* Guarda en el array de valores, todos los valores del objeto Strech para ser
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* almacenado en el
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* @param filterList
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* @param band
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* @param stretch
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*/
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private void putStretchBand(ArrayList filterList, String band, Stretch stretch) { |
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filterList.add("filter.linearstretchenhancement." + band + ".maxValue=" + stretch.maxValue); |
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filterList.add("filter.linearstretchenhancement." + band + ".minValue=" + stretch.minValue); |
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if (stretch.offset != null) |
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filterList.add("filter.linearstretchenhancement." + band + ".offset=" + convertArrayToString(stretch.offset)); |
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if (stretch.scale != null) |
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filterList.add("filter.linearstretchenhancement." + band + ".scale=" + convertArrayToString(stretch.scale)); |
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if (stretch.stretchIn != null) |
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filterList.add("filter.linearstretchenhancement." + band + ".stretchIn=" + convertArrayToString(stretch.stretchIn)); |
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if (stretch.stretchOut != null) |
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filterList.add("filter.linearstretchenhancement." + band + ".stretchOut=" + convertArrayToString(stretch.stretchOut)); |
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filterList.add("filter.linearstretchenhancement." + band + ".tailTrimMax=" + stretch.tailTrimMax); |
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filterList.add("filter.linearstretchenhancement." + band + ".tailTrimMin=" + stretch.tailTrimMin); |
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filterList.add("filter.linearstretchenhancement." + band + ".tailTrimValueMax=" + stretch.tailTrimValueMax); |
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filterList.add("filter.linearstretchenhancement." + band + ".tailTrimValueMin=" + stretch.tailTrimValueMin); |
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filterList.add("filter.linearstretchenhancement." + band + ".functionType=" + stretch.functionType); |
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filterList.add("filter.linearstretchenhancement." + band + ".valueFunction=" + stretch.valueFunction); |
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} |
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/**
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* Obtiene un Array de Strings a partir de una pila de filtros. Cada elemento
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* del array tendr� la forma de elemento=valor.
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*/
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public ArrayList getStringsFromFilterList(ArrayList filterList, RasterFilter rf) { |
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if (rf instanceof LinearStretchEnhancementFilter) { |
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LinearStretchEnhancementFilter filter = (LinearStretchEnhancementFilter) rf; |
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LinearStretchParams stretchs = (LinearStretchParams) filter.getParam("stretchs");
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int [] renderBands = (int[]) filter.getParam("renderBands"); |
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filterList.add("filter.linearstretchenhancement.active=true");
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filterList.add("filter.linearstretchenhancement.removeends=" + filter.getRemoveEnds());
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putStretchBand(filterList, "red", stretchs.red);
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putStretchBand(filterList, "green", stretchs.green);
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putStretchBand(filterList, "blue", stretchs.blue);
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filterList.add("filter.linearstretchenhancement.renderbands=" + convertArrayToString(renderBands));
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filterList.add("filter.linearstretchenhancement.RGB=" + Boolean.valueOf(stretchs.rgb).toString()); |
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} |
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return filterList;
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} |
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/**
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* Configura algun parametro del objeto Stretch, respecto a una banda, su
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* propiedad y el valor, en caso de no encontrar la propiedad o no ser dicha
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* banda, devuelve false. Es util para usarlo para extraer los valores de
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* createFilterListFromStrings
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* @param band
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* @param property
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* @param value
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* @param stretch
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* @return
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*/
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public boolean getStretchBand(String band, String property, String value, Stretch stretch) { |
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if (property.startsWith("filter.linearstretchenhancement." + band)) { |
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if (property.startsWith("filter.linearstretchenhancement." + band + ".maxValue")) { |
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stretch.maxValue = Double.parseDouble(value);
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return true; |
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} |
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if (property.startsWith("filter.linearstretchenhancement." + band + ".minValue")) { |
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stretch.minValue = Double.parseDouble(value);
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return true; |
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} |
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if (property.startsWith("filter.linearstretchenhancement." + band + ".offset")) { |
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stretch.offset = StringToDoubleArray(value); |
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return true; |
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} |
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if (property.startsWith("filter.linearstretchenhancement." + band + ".scale")) { |
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stretch.scale = StringToDoubleArray(value); |
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return true; |
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} |
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if (property.startsWith("filter.linearstretchenhancement." + band + ".stretchIn")) { |
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stretch.stretchIn = StringToDoubleArray(value); |
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return true; |
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} |
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if (property.startsWith("filter.linearstretchenhancement." + band + ".stretchOut")) { |
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stretch.stretchOut = StringToIntegerArray(value); |
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return true; |
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} |
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if (property.startsWith("filter.linearstretchenhancement." + band + ".tailTrimMax")) { |
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stretch.tailTrimMax = Double.parseDouble(value);
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return true; |
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} |
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if (property.startsWith("filter.linearstretchenhancement." + band + ".tailTrimMin")) { |
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stretch.tailTrimMin = Double.parseDouble(value);
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return true; |
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} |
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if (property.startsWith("filter.linearstretchenhancement." + band + ".tailTrimValueMax")) { |
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stretch.tailTrimValueMax = Double.parseDouble(value);
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return true; |
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} |
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if (property.startsWith("filter.linearstretchenhancement." + band + ".tailTrimValueMin")) { |
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stretch.tailTrimValueMin = Double.parseDouble(value);
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return true; |
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} |
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if (property.startsWith("filter.linearstretchenhancement." + band + ".functionType")) { |
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stretch.functionType = Integer.parseInt(value);
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return true; |
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} |
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if (property.startsWith("filter.linearstretchenhancement." + band + ".valueFunction")) { |
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stretch.valueFunction = Double.parseDouble(value);
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return true; |
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} |
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} |
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return false; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.IRasterFilterListManager#createFilterListFromStrings(java.util.ArrayList, java.lang.String, int)
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*/
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public int createFilterListFromStrings(ArrayList filters, String fil, int filteri) throws FilterTypeException { |
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String pkgBase = "filter.linearstretchenhancement."; |
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if (fil.startsWith(pkgBase + "active")) { |
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boolean exec = true; |
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boolean removeEnds = false; |
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if ((RasterFilterListManager.getValue(fil).equals("false"))) |
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exec = false;
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filters.remove(0);
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int[] renderBands = new int[] { 0, 0, 0 }; |
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LinearStretchParams stretchParams = new LinearStretchParams();
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for (int propFilter = 0; propFilter < filters.size(); propFilter++) { |
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String elem = (String) filters.get(propFilter); |
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String value = RasterFilterListManager.getValue(elem);
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if (elem.startsWith("filter.linearstretchenhancement.renderbands")) { |
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renderBands = StringToIntegerArray(value); |
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continue;
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} |
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if (elem.startsWith("filter.linearstretchenhancement.RGB")) { |
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stretchParams.rgb = Boolean.parseBoolean(value);
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continue;
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} |
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if (elem
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.startsWith("filter.linearstretchenhancement.removeends")) {
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removeEnds = Boolean.parseBoolean(value);
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continue;
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} |
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if (getStretchBand("red", elem, value, stretchParams.red)) |
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continue;
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if (getStretchBand("green", elem, value, stretchParams.green)) |
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continue;
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if (getStretchBand("blue", elem, value, stretchParams.blue)) |
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continue;
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} |
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filterList.remove(LinearStretchEnhancementFilter.class); |
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addEnhancedStretchFilter(stretchParams, stats, renderBands, |
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removeEnds); |
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LinearStretchEnhancementFilter lsef = (LinearStretchEnhancementFilter) filterList.getFilterByBaseClass(LinearStretchEnhancementFilter.class); |
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lsef.setExec(exec); |
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} |
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return filteri;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.IRasterFilterListManager#getRasterFilterList()
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*/
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public ArrayList getRasterFilterList() { |
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ArrayList filters = new ArrayList(); |
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filters.add(LinearStretchEnhancementFilter.class); |
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return filters;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.IRasterFilterListManager#addFilter(java.lang.Class, org.gvsig.raster.dataset.Params)
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*/
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public void addFilter(Class classFilter, Params params) throws FilterTypeException { |
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if (classFilter.equals(LinearStretchEnhancementFilter.class)) {
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int[] renderBands = { 0, 1, 2 }; |
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boolean removeEnds = false; |
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LinearStretchParams leParams = new LinearStretchParams();
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for (int i = 0; i < params.getNumParams(); i++) { |
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if (params.getParam(i).id.equals("RenderBands") && |
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params.getParam(i).defaultValue instanceof String) { |
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String[] bands = new String((String) params.getParam(i).defaultValue).split(" "); |
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renderBands[0] = new Integer(bands[0]).intValue(); |
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renderBands[1] = new Integer(bands[1]).intValue(); |
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renderBands[2] = new Integer(bands[2]).intValue(); |
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continue;
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} |
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if (params.getParam(i).id.equals("Remove")) |
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removeEnds = ((Boolean) params.getParam(i).defaultValue).booleanValue();
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if (params.getParam(i).id.equals("RGB")) |
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leParams.rgb = ((Boolean) params.getParam(i).defaultValue).booleanValue();
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if (params.getParam(i).id.equals("StretchInRed") && |
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params.getParam(i).defaultValue instanceof double[]) |
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leParams.red.stretchIn = ((double[]) params.getParam(i).defaultValue); |
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if (params.getParam(i).id.equals("StretchInGreen") && |
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params.getParam(i).defaultValue instanceof double[]) |
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leParams.green.stretchIn = ((double[]) params.getParam(i).defaultValue); |
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if (params.getParam(i).id.equals("StretchInBlue") && |
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params.getParam(i).defaultValue instanceof double[]) |
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leParams.blue.stretchIn = ((double[]) params.getParam(i).defaultValue); |
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if (params.getParam(i).id.equals("StretchOutRed") && |
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params.getParam(i).defaultValue instanceof int[]) |
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leParams.red.stretchOut = ((int[]) params.getParam(i).defaultValue); |
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if (params.getParam(i).id.equals("StretchOutGreen") && |
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params.getParam(i).defaultValue instanceof int[]) |
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leParams.green.stretchOut = ((int[]) params.getParam(i).defaultValue); |
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if (params.getParam(i).id.equals("StretchOutBlue") && |
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params.getParam(i).defaultValue instanceof int[]) |
| 423 |
leParams.blue.stretchOut = ((int[]) params.getParam(i).defaultValue); |
| 424 |
|
| 425 |
if (params.getParam(i).id.equals("TailTrimRedMin") && |
| 426 |
params.getParam(i).defaultValue instanceof Double) |
| 427 |
leParams.red.tailTrimMin = ((Double) params.getParam(i).defaultValue).doubleValue();
|
| 428 |
|
| 429 |
if (params.getParam(i).id.equals("TailTrimRedMax") && |
| 430 |
params.getParam(i).defaultValue instanceof Double) |
| 431 |
leParams.red.tailTrimMax = ((Double) params.getParam(i).defaultValue).doubleValue();
|
| 432 |
|
| 433 |
if (params.getParam(i).id.equals("TailTrimGreenMin") && |
| 434 |
params.getParam(i).defaultValue instanceof Double) |
| 435 |
leParams.green.tailTrimMin = ((Double) params.getParam(i).defaultValue).doubleValue();
|
| 436 |
|
| 437 |
if (params.getParam(i).id.equals("TailTrimGreenMax") && |
| 438 |
params.getParam(i).defaultValue instanceof Double) |
| 439 |
leParams.green.tailTrimMax = ((Double) params.getParam(i).defaultValue).doubleValue();
|
| 440 |
|
| 441 |
if (params.getParam(i).id.equals("TailTrimBlueMin") && |
| 442 |
params.getParam(i).defaultValue instanceof Double) |
| 443 |
leParams.blue.tailTrimMin = ((Double) params.getParam(i).defaultValue).doubleValue();
|
| 444 |
|
| 445 |
if (params.getParam(i).id.equals("TailTrimBlueMax") && |
| 446 |
params.getParam(i).defaultValue instanceof Double) |
| 447 |
leParams.blue.tailTrimMax = ((Double) params.getParam(i).defaultValue).doubleValue();
|
| 448 |
|
| 449 |
if (params.getParam(i).id.equals("StretchRedFunctionType") && |
| 450 |
params.getParam(i).defaultValue instanceof Integer) |
| 451 |
leParams.red.functionType = ((Integer) params.getParam(i).defaultValue).intValue();
|
| 452 |
|
| 453 |
if (params.getParam(i).id.equals("StretchRedValueFunction") && |
| 454 |
params.getParam(i).defaultValue instanceof Double) |
| 455 |
leParams.red.valueFunction = ((Double) params.getParam(i).defaultValue).doubleValue();
|
| 456 |
|
| 457 |
if (params.getParam(i).id.equals("StretchGreenFunctionType") && |
| 458 |
params.getParam(i).defaultValue instanceof Integer) |
| 459 |
leParams.green.functionType = ((Integer) params.getParam(i).defaultValue).intValue();
|
| 460 |
|
| 461 |
if (params.getParam(i).id.equals("StretchGreenValueFunction") && |
| 462 |
params.getParam(i).defaultValue instanceof Double) |
| 463 |
leParams.green.valueFunction = ((Double) params.getParam(i).defaultValue).doubleValue();
|
| 464 |
|
| 465 |
if (params.getParam(i).id.equals("StretchBlueFunctionType") && |
| 466 |
params.getParam(i).defaultValue instanceof Integer) |
| 467 |
leParams.blue.functionType = ((Integer) params.getParam(i).defaultValue).intValue();
|
| 468 |
|
| 469 |
if (params.getParam(i).id.equals("StretchBlueValueFunction") && |
| 470 |
params.getParam(i).defaultValue instanceof Double) |
| 471 |
leParams.blue.valueFunction = ((Double) params.getParam(i).defaultValue).doubleValue();
|
| 472 |
} |
| 473 |
|
| 474 |
addEnhancedStretchFilter(leParams, (IStatistics) filterList.getEnvParam("IStatistics"), renderBands, removeEnds);
|
| 475 |
} |
| 476 |
} |
| 477 |
} |