root / branches / CqCMSDvp / libraries / libCq CMS for java.old / src / org / cresques / io / raster / RasterFilterStackManager.java @ 2249
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/*
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* Created on 17-may-2005
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*
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* To change the template for this generated file go to
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* Window>Preferences>Java>Code Generation>Code and Comments
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*/
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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) 2004 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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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.cresques.io.raster; |
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import java.lang.reflect.Constructor; |
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import java.util.ArrayList; |
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import java.util.Hashtable; |
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import java.util.StringTokenizer; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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/**
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*
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* @author Nacho Brodin <brodin_ign@gva.es>
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*
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* Esta clase es de la parte cliente y es la encargada de la gesti?n
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* de la pila de filtros. Es la que conoce el orden en que se deben apilar
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* estos para que la ejecuci?n sea correcta. Un cliente que desee aplicar un
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* filtro deber? introducirlo en la pila usando para ello esta clase.
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*/
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public class RasterFilterStackManager implements IStackManager{ |
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protected RasterFilterStack filterStack = null; |
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private boolean debug = false; |
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protected Hashtable typeFilters = new Hashtable(); |
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public int[] order = null; |
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private ArrayList managers = new ArrayList(); |
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protected ArrayList filterList = null; |
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public RasterFilterStackManager(RasterFilterStack filterStack){
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this.filterStack = filterStack;
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typeFilters.put("transparency", new Integer(0)); |
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typeFilters.put("enhanced", new Integer(1)); |
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typeFilters.put("computeminmax", new Integer(2)); |
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typeFilters.put("tail", new Integer(3)); |
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init(); |
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this.filterStack.setOrder(order);
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} |
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/**
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* Registra un manager del sistema
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* @param manager
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*/
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protected void register(IStackManager manager){ |
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managers.add(manager); |
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} |
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protected void init(){ |
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order = new int[typeFilters.size()]; |
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order[0] = ((Integer)typeFilters.get("computeminmax")).intValue(); |
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order[1] = ((Integer)typeFilters.get("tail")).intValue(); |
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order[2] = ((Integer)typeFilters.get("enhanced")).intValue(); |
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order[3] = ((Integer)typeFilters.get("transparency")).intValue(); |
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} |
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/**
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* A?ade un nuevo tipo de filtro
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* @param key Nombre del filtro
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* @param type Constante entera asignada a ese tipo
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*/
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protected void addTypeFilter(String key, int type, int position){ |
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typeFilters.put(key, new Integer(type)); |
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int[] newOrder = new int[order.length+1]; |
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for(int i=0;i<position;i++) |
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newOrder[i] = order[i]; |
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newOrder[position] = type; |
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for(int i=position+1;i<newOrder.length;i++) |
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newOrder[i] = order[i-1];
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order = newOrder; |
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this.filterStack.setOrder(order);
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} |
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/**
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* Obtiene la constante correspondiente a un tipo de filtro
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* @param key Clave para obtener la constante que corresponde al nombre del filtro
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* @return Tipo de filtro
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*/
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public int getTypeFilter(String key){ |
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return ((Integer)typeFilters.get(key)).intValue(); |
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} |
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/**
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* A?ade un filtro de transparencia
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* @param red Intervalos de la banda del rojo a poner transparentes
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* @param green Intervalos de la banda del verde a poner transparentes
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* @param blue Intervalos de la banda del azul a poner transparentes
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* @param alpha Transparencia
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* @param transparencyRed Color en la banda del rojo de la transparencia
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* @param transparencyGreen Color en la banda del verde de la transparencia
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* @param transparencyBlue Color en la banda del azul de la transparencia
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*/
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public void addTransparencyFilter( int[][] red, |
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int[][] green, |
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int[][] blue, |
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int alpha,
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int transparencyRed,
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int transparencyGreen,
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int transparencyBlue){
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RasterFilter filtro = null;
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switch(filterStack.getDataTypeInFilter(((Integer)typeFilters.get("transparency")).intValue())){ |
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case RasterBuf.TYPE_IMAGE:filtro = new TransparencyImageFilter();break; |
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case RasterBuf.TYPE_SHORT:
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case RasterBuf.TYPE_USHORT:
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case RasterBuf.TYPE_INT:filtro = new TransparencyShortFilter();break; |
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} |
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if(red != null)filtro.addParam("red", red); |
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if(green != null)filtro.addParam("green", green); |
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if(blue != null)filtro.addParam("blue", blue); |
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filtro.addParam("alpha", new Integer(alpha)); |
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filtro.addParam("transparencyRed", new Integer(transparencyRed)); |
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filtro.addParam("transparencyGreen", new Integer(transparencyGreen)); |
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filtro.addParam("transparencyBlue", new Integer(transparencyBlue)); |
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//Elimina los filtros que son equivalentes a este
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/*for(int i=0;i<filterStack.lenght();i++){
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if( filterStack.get(i) instanceof TransparencyImageFilter ||
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filterStack.get(i) instanceof TransparencyShortFilter){
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//Si este filtro es equivalente a uno de la pila se elimina este
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if(((TransparencyFilter)filtro).isEquivalent((TransparencyFilter)filterStack.get(i)))
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filterStack.removeFilter(filterStack.get(i));
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}
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}
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//A?ade el filtro si no hay uno equivalente
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boolean equivalentFilter = false;
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for(int i=0;i<filterStack.lenght();i++){
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if( filterStack.get(i) instanceof TransparencyImageFilter ||
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filterStack.get(i) instanceof TransparencyShortFilter){
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//Si no existe en la pila un filtro equivalente se a?ade
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if(((TransparencyFilter)filterStack.get(i)).isEquivalent((TransparencyFilter)filtro)){
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equivalentFilter = true;
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break;
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}
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}
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}
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if(!equivalentFilter)*/
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filterStack.removeFilter(((Integer)typeFilters.get("transparency")).intValue()); |
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filterStack.addFilter(((Integer)typeFilters.get("transparency")).intValue(), filtro); |
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this.controlTypes();
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} |
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/**
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* Obtiene el rango de rojo del filtro de transparencia de la pila
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* @return rango de rojo
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*/
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public int[][] getTransparecyR(){ |
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for(int i=0;i<filterStack.lenght();i++){ |
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if( filterStack.get(i) instanceof TransparencyImageFilter || |
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filterStack.get(i) instanceof TransparencyShortFilter){
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return ((TransparencyFilter)filterStack.get(i)).rangesR;
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} |
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} |
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return null; |
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} |
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/**
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* Obtiene el rango de verde del filtro de transparencia de la pila
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* @return rango de verde
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*/
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public int[][] getTransparecyG(){ |
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for(int i=0;i<filterStack.lenght();i++){ |
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if( filterStack.get(i) instanceof TransparencyImageFilter || |
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filterStack.get(i) instanceof TransparencyShortFilter){
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return ((TransparencyFilter)filterStack.get(i)).rangesG;
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} |
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} |
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return null; |
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} |
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/**
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* Obtiene el rango de azul del filtro de transparencia de la pila
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* @return rango de azul
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*/
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public int[][] getTransparecyB(){ |
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for(int i=0;i<filterStack.lenght();i++){ |
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if( filterStack.get(i) instanceof TransparencyImageFilter || |
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filterStack.get(i) instanceof TransparencyShortFilter){
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return ((TransparencyFilter)filterStack.get(i)).rangesB;
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} |
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} |
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return null; |
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} |
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/**
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* A?ade un filtro de recorte de colas.
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* @param tail porcentaje de recorte
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* @param samples porcentaje de muestras tomadas del total de la imagen
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*/
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public void addTailFilter( double tail, double samples, boolean removeMaxValue){ |
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if(filterStack.isActive(((Integer)typeFilters.get("tail")).intValue())) |
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filterStack.removeFilter(((Integer)typeFilters.get("tail")).intValue()); |
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RasterFilter filtro = null;
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switch(filterStack.getDataTypeInFilter(((Integer)typeFilters.get("tail")).intValue())){ |
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case RasterBuf.TYPE_IMAGE:filtro = new PercentTailTrimImageFilter();break; |
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case RasterBuf.TYPE_SHORT:
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case RasterBuf.TYPE_USHORT:
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case RasterBuf.TYPE_INT:filtro = new PercentTailTrimShortFilter();break; |
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} |
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filtro.addParam("stats", filterStack.getStats());
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filtro.addParam("tail", new Double(tail)); |
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filtro.addParam("samples", new Double(samples)); |
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filtro.addParam("remove", new Boolean(removeMaxValue)); |
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filterStack.addFilter(((Integer)typeFilters.get("tail")).intValue(), filtro); |
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this.controlTypes();
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} |
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/**
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* A?ade un filtro de realce. Esta versi?n tiene el par?metro para a?adirle el nombre
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* del fichero. Esto se usa para que si a un fichero se le ha calculado ya el recorte de colas
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* no se vuelva a calcular, evitando as? que si hacemos un draw a una imagen por bloques cada
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* bloque tenga un calculo distinto para el recorte.
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*/
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public void addEnhancedFilter(boolean remove, String fileName){ |
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if(filterStack.isActive(((Integer)typeFilters.get("enhanced")).intValue())) |
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filterStack.removeFilter(((Integer)typeFilters.get("enhanced")).intValue()); |
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RasterFilter filtro = null;
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switch(filterStack.getDataTypeInFilter(((Integer)typeFilters.get("enhanced")).intValue())){ |
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case RasterBuf.TYPE_IMAGE:filtro = new LinearEnhancementImageFilter();break; |
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case RasterBuf.TYPE_SHORT:
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case RasterBuf.TYPE_USHORT:
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case RasterBuf.TYPE_INT:filtro = new LinearEnhancementShortFilter();break; |
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} |
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filtro.addParam("stats", filterStack.getStats());
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if(remove)
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filtro.addParam("remove", new Boolean(true)); |
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else
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filtro.addParam("remove", new Boolean(false)); |
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if(fileName != null) |
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filtro.addParam("filename", fileName);
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else
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filtro.addParam("filename", new String("")); |
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filterStack.addFilter(((Integer)typeFilters.get("enhanced")).intValue(), filtro); |
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this.controlTypes();
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} |
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/**
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* A?ade un filtro de realce
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*/
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public void addEnhancedFilter(boolean remove){ |
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addEnhancedFilter( remove, "");
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} |
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/**
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* A?ade un filtro ComputeMinMax
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*/
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public void addComputeMinMaxFilter(){ |
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if(!filterStack.isActive(((Integer)typeFilters.get("computeminmax")).intValue())){ //Solo lo a?adimos si no est? |
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RasterFilter filtro = null;
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switch(filterStack.getDataTypeInFilter(((Integer)typeFilters.get("computeminmax")).intValue())){ |
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case RasterBuf.TYPE_IMAGE:filtro = new ComputeMinMaxImageFilter();break; |
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case RasterBuf.TYPE_SHORT:
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case RasterBuf.TYPE_USHORT:
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case RasterBuf.TYPE_INT:filtro = new ComputeMinMaxShortFilter();break; |
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} |
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filtro.addParam("stats", filterStack.getStats());
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filterStack.addFilter(((Integer)typeFilters.get("computeminmax")).intValue(), filtro); |
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} |
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this.controlTypes();
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} |
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/**
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* Obtiene el tipo de filtro a partir del objeto RasterFilter
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* @param rasterFilter Objeto RasterFilter del cual se quiere saber que tipo de filtro contiene
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* @return Tipo de filtro seg?n las constantes contenidas en RasterFilterStackManager
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*/
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protected int getType(RasterFilter rasterFilter){ |
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if(rasterFilter instanceof TransparencyFilter) |
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return 0; |
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if(rasterFilter instanceof LinearEnhancementFilter) |
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return 1; |
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if(rasterFilter instanceof ComputeMinMaxFilter) |
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return 2; |
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if(rasterFilter instanceof PercentTailTrimFilter) |
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return 3; |
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return -1; |
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} |
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/**
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* Controla que los tipos de los filtros de la pila sean correctos, es decir, que
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* el tipo de salida de un filtro de salida coincida con el tipo de la entrada del
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* siguiente. En caso de no ser as? crea el filtro de tipo adecuado y lo sustituye
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* en el no coincidente. Esto es necesario ya que en la eliminaci?n de filtros puede
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* quedarse en inconsistencia de tipos.
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*/
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protected void controlTypes(){ |
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if(debug)filterStack.show();
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for(int i=filterStack.lenght();i>=0;i--){ |
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if(i-1 >= 0){ |
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//Para el primer filtro comprobamos con el tipo de dato de entrada a la pila
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if(i == filterStack.lenght()){
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if(filterStack.getInitDataType() != filterStack.get(i-1).getInRasterDataType()){ |
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String oldClass = filterStack.get(i-1).getClass().toString().substring( |
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filterStack.get(i-1).getClass().toString().lastIndexOf(".")+1, |
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filterStack.get(i-1).getClass().toString().length());
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Pattern p = Pattern.compile(RasterBuf.typesToString(filterStack.get(i-1).getInRasterDataType())); |
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Matcher m = p.matcher(oldClass);
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String newClass = m.replaceAll(RasterBuf.typesToString(filterStack.getInitDataType()));
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//System.out.println("==>"+oldClass+" "+newClass);
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try{
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Class filterClass = Class.forName("org.cresques.io.raster."+newClass); |
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Constructor con = filterClass.getConstructor(null); |
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RasterFilter newFilter = (RasterFilter)con.newInstance(null);
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newFilter.params = filterStack.get(i-1).params;
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filterStack.replace(newFilter, i-1, this.getType(newFilter)); |
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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} |
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//Desde el filtro 2 en adelante se compara la salida de uno con la entrada del siguiente
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|
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}else if(filterStack.get(i).getOutRasterDataType() != filterStack.get(i-1).getInRasterDataType()){ |
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String oldClass = filterStack.get(i-1).getClass().toString().substring( |
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filterStack.get(i-1).getClass().toString().lastIndexOf(".")+1, |
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filterStack.get(i-1).getClass().toString().length());
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Pattern p = Pattern.compile(RasterBuf.typesToString(filterStack.get(i-1).getInRasterDataType())); |
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Matcher m = p.matcher(oldClass);
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String newClass = m.replaceAll(RasterBuf.typesToString(filterStack.get(i).getOutRasterDataType()));
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//System.out.println("==>"+oldClass+" "+newClass);
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try{
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Class filterClass = Class.forName("org.cresques.io.raster."+newClass); |
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Constructor con = filterClass.getConstructor(null); |
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RasterFilter newFilter = (RasterFilter)con.newInstance(null);
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newFilter.params = filterStack.get(i-1).params;
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filterStack.replace(newFilter, i-1, this.getType(newFilter)); |
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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} |
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} |
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} |
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if(debug)filterStack.show();
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} |
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/**
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* M?todo que devuelve true si el tipo de filtro pasado por par?metro est? en la
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* pila y false si no lo est?.
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* @param filter Tipo de filtro a comprobar
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* @return true si est? en la pila y false si no lo est?
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*/
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public boolean isActive(int type){ |
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return filterStack.isActive(type);
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} |
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|
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/**
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* Elimina los filtros de la pila de un determinado tipo
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* @param type Tipo de filtro a eliminar
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*/
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public void removeFilter(int type){ |
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filterStack.removeFilter(type); |
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this.controlTypes();
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} |
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|
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/**
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* Resetea el flag de temporalidad de los filtros de la pila.
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* Esto equivale a fijar los filtros que ya existen en la pila. A partir de
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* ese momento los filtros que se introduzcan podr?n ser eliminados de golpe
|
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* llamando a la funci?n deleteTempFilters
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*/
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public void resetTempFilters(){ |
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filterStack.resetTempFilters(); |
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} |
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|
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/**
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* Elimina los filtros temporales, es decir, todos los filtros introducidos desde
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* el ?ltimo resetTempFilters que se ha realizado.
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*/
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public void deleteTempFilters(){ |
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filterStack.deleteTempFilters(); |
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} |
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/**
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* Obtiene el objeto de estadisticas asignado a la pila.
|
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* @return
|
| 432 |
*/
|
| 433 |
public RasterStats getStackStats(){
|
| 434 |
return filterStack.getStats();
|
| 435 |
} |
| 436 |
|
| 437 |
|
| 438 |
/* (non-Javadoc)
|
| 439 |
* @see org.cresques.io.raster.StackManager#getStringsFromStack()
|
| 440 |
*/
|
| 441 |
public ArrayList getStringsFromStack(){ |
| 442 |
filterList = new ArrayList(); |
| 443 |
for(int i=0;i<filterStack.lenght();i++){ |
| 444 |
RasterFilter rf = filterStack.get(i); |
| 445 |
if(rf instanceof TransparencyFilter){ |
| 446 |
filterList.add("filter.transparency.active=true");
|
| 447 |
filterList.add("filter.transparency.rangeR="+rangeToString(((TransparencyFilter)rf).getRangeR()));
|
| 448 |
filterList.add("filter.transparency.rangeG="+rangeToString(((TransparencyFilter)rf).getRangeG()));
|
| 449 |
filterList.add("filter.transparency.rangeB="+rangeToString(((TransparencyFilter)rf).getRangeB()));
|
| 450 |
|
| 451 |
}else if(rf instanceof LinearEnhancementFilter){ |
| 452 |
filterList.add("filter.enhanced.active=true");
|
| 453 |
filterList.add("filter.enhanced.remove="+((LinearEnhancementFilter)rf).getRemoveExtrema().toString());
|
| 454 |
|
| 455 |
}else if(rf instanceof ComputeMinMaxFilter){ |
| 456 |
filterList.add("filter.computeminmax.active=true");
|
| 457 |
|
| 458 |
}else if(rf instanceof PercentTailTrimFilter){ |
| 459 |
filterList.add("filter.tail.active=true");
|
| 460 |
filterList.add("filter.tail.value="+this.getStackStats().tailPercent); |
| 461 |
filterList.add("filter.tail.remove="+((PercentTailTrimFilter)rf).removeMaxValue());
|
| 462 |
}else{ //Se recorren todos los managers registrados comprobando si corresponde a la clase del filtro |
| 463 |
for(int j=0;j<managers.size();j++) |
| 464 |
((IStackManager)managers.get(j)).getStringsFromStack(); |
| 465 |
} |
| 466 |
} |
| 467 |
return filterList;
|
| 468 |
} |
| 469 |
|
| 470 |
/**
|
| 471 |
* Crea una pila de filtros a partir de un Array de Strings. Cada elemento del array debe
|
| 472 |
* tener la forma elemento=valor.
|
| 473 |
* @param filters
|
| 474 |
*/
|
| 475 |
public void createStackFromStrings(ArrayList f){ |
| 476 |
this.createStackFromStrings(f, new Integer(0)); |
| 477 |
} |
| 478 |
|
| 479 |
/* (non-Javadoc)
|
| 480 |
* @see org.cresques.io.raster.StackManager#createStackFromStrings(java.util.ArrayList)
|
| 481 |
*/
|
| 482 |
public void createStackFromStrings(ArrayList f, Integer pos){ |
| 483 |
ArrayList filters = (ArrayList)f.clone(); |
| 484 |
filterStack.clear(); |
| 485 |
int filteri = pos.intValue();
|
| 486 |
|
| 487 |
//Busca un filtro activo y despu?s todas las propiedades que necesita ese filtro para
|
| 488 |
//ser creado. Una vez las tiene a?ade en la pila el tipo de filtro.
|
| 489 |
|
| 490 |
while(filters.size()>0 && filteri<filters.size()){ |
| 491 |
String fil = (String)filters.get(filteri); |
| 492 |
if(fil.startsWith("filter.transparency.active") && getValue(fil).equals("true")){ |
| 493 |
filters.remove(filteri); |
| 494 |
int[][] r = null, g = null, b = null; |
| 495 |
for(int propFilter=0;propFilter<filters.size();propFilter++){ |
| 496 |
String elem = (String)filters.get(propFilter); |
| 497 |
if(elem.startsWith("filter.transparency.rangeR")){ |
| 498 |
r = stringToRange(getValue(elem)); |
| 499 |
filters.remove(propFilter); |
| 500 |
propFilter--; |
| 501 |
} |
| 502 |
if(elem.startsWith("filter.transparency.rangeG")){ |
| 503 |
g = stringToRange(getValue(elem)); |
| 504 |
filters.remove(propFilter); |
| 505 |
propFilter--; |
| 506 |
} |
| 507 |
if(elem.startsWith("filter.transparency.rangeB")){ |
| 508 |
b = stringToRange(getValue(elem)); |
| 509 |
filters.remove(propFilter); |
| 510 |
propFilter--; |
| 511 |
} |
| 512 |
} |
| 513 |
this.addTransparencyFilter( r, g, b, 0x10, 0xff, 0xff, 0xff); |
| 514 |
filteri = -1;
|
| 515 |
} |
| 516 |
|
| 517 |
if(fil.startsWith("filter.enhanced.active") && getValue(fil).equals("true")){ |
| 518 |
filters.remove(filteri); |
| 519 |
boolean remove = false; |
| 520 |
for(int propFilter=0;propFilter<filters.size();propFilter++){ |
| 521 |
String elem = (String)filters.get(propFilter); |
| 522 |
if(elem.startsWith("filter.enhanced.remove")){ |
| 523 |
this.addEnhancedFilter(Boolean.valueOf(getValue(elem)).booleanValue()); |
| 524 |
filters.remove(propFilter); |
| 525 |
propFilter--; |
| 526 |
} |
| 527 |
} |
| 528 |
|
| 529 |
this.addComputeMinMaxFilter();
|
| 530 |
filteri = -1;
|
| 531 |
} |
| 532 |
|
| 533 |
if(fil.startsWith("filter.tail.active") && getValue(fil).equals("true")){ |
| 534 |
filters.remove(filteri); |
| 535 |
this.removeFilter(this.getTypeFilter("computeminmax")); |
| 536 |
double recorte = 0D; |
| 537 |
boolean remove = false; |
| 538 |
for(int propFilter=0;propFilter<filters.size();propFilter++){ |
| 539 |
String elem = (String)filters.get(propFilter); |
| 540 |
if(elem.startsWith("filter.tail.value")){ |
| 541 |
recorte = Double.parseDouble(getValue(elem));
|
| 542 |
filters.remove(propFilter); |
| 543 |
propFilter--; |
| 544 |
} |
| 545 |
if(elem.startsWith("filter.tail.remove")){ |
| 546 |
remove = Boolean.valueOf(getValue(elem)).booleanValue();
|
| 547 |
filters.remove(propFilter); |
| 548 |
propFilter--; |
| 549 |
} |
| 550 |
} |
| 551 |
this.addTailFilter( recorte, 0D, remove); |
| 552 |
filteri = -1;
|
| 553 |
} |
| 554 |
|
| 555 |
for(int j=0;j<managers.size();j++) |
| 556 |
((IStackManager)managers.get(j)).createStackFromStrings(filters, new Integer(filteri)); |
| 557 |
|
| 558 |
filteri++; |
| 559 |
} |
| 560 |
} |
| 561 |
|
| 562 |
/**
|
| 563 |
* Obtiene el elemento de una cadena de la forma elemento=valor
|
| 564 |
* @param cadena
|
| 565 |
* @return
|
| 566 |
*/
|
| 567 |
public String getElem(String cadena){ |
| 568 |
if(cadena!=null) |
| 569 |
return cadena.substring(0, cadena.indexOf("=")); |
| 570 |
else
|
| 571 |
return null; |
| 572 |
} |
| 573 |
|
| 574 |
/**
|
| 575 |
* Obtiene el valor de una cadena de la forma elemento=valor
|
| 576 |
* @param cadena
|
| 577 |
* @return
|
| 578 |
*/
|
| 579 |
public String getValue(String cadena){ |
| 580 |
if(cadena!=null) |
| 581 |
return cadena.substring(cadena.indexOf("=")+1, cadena.length()); |
| 582 |
else
|
| 583 |
return null; |
| 584 |
} |
| 585 |
|
| 586 |
/**
|
| 587 |
* Convierte un rango contenido en una array doble en una cadena
|
| 588 |
* de strings para poder salvar a xml
|
| 589 |
* @param rang
|
| 590 |
* @return
|
| 591 |
*/
|
| 592 |
private String rangeToString(int[][] rang){ |
| 593 |
StringBuffer rangoStr = new StringBuffer(); |
| 594 |
if(rang!=null){ |
| 595 |
for(int i=0;i<rang.length;i++){ |
| 596 |
rangoStr.append(String.valueOf(rang[i][0])+":"); |
| 597 |
rangoStr.append(String.valueOf(rang[i][1])+":"); |
| 598 |
} |
| 599 |
String r = rangoStr.toString();
|
| 600 |
if(r.endsWith(":")) |
| 601 |
r = r.substring(0, r.length()-1); |
| 602 |
return r;
|
| 603 |
}else
|
| 604 |
return null; |
| 605 |
|
| 606 |
} |
| 607 |
|
| 608 |
/**
|
| 609 |
* Convierte una cadena en una lista de rangos numericos para poder
|
| 610 |
* asignar transparencias a la imagen
|
| 611 |
* @param rang
|
| 612 |
* @return
|
| 613 |
*/
|
| 614 |
private int[][] stringToRange(String rang){ |
| 615 |
if(rang!=null && !rang.equals("null")){ |
| 616 |
ArrayList lista = new ArrayList(); |
| 617 |
StringTokenizer tokenizer = new StringTokenizer(rang, ":"); |
| 618 |
while (tokenizer.hasMoreTokens())
|
| 619 |
lista.add(tokenizer.nextToken()); |
| 620 |
int[][] intervalos = new int[(int)(lista.size()/2)][2]; |
| 621 |
|
| 622 |
for(int i=0;i<lista.size();i=i+2){ |
| 623 |
intervalos[i/2][0] = Integer.valueOf((String)lista.get(i)).intValue(); |
| 624 |
intervalos[i/2][1] = Integer.valueOf((String)lista.get(i+1)).intValue(); |
| 625 |
} |
| 626 |
return intervalos;
|
| 627 |
}else
|
| 628 |
return null; |
| 629 |
} |
| 630 |
|
| 631 |
|
| 632 |
} |