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svn-gvsig-desktop / branches / CqCMSDvp / libraries / libCq CMS for java.old / src / org / cresques / io / raster / ComputeMinMaxFilter.java @ 2669

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       /*
        * Cresques Mapping Suite. Graphic Library for constructing mapping applications.
+       *
        * Copyright (C) 2004-5.
+       *
        * This program is free software; you can redistribute it and/or
        * modify it under the terms of the GNU General Public License
        * as published by the Free Software Foundation; either version 2
        * of the License, or (at your option) any later version.
+       *
        * This program is distributed in the hope that it will be useful,
        * but WITHOUT ANY WARRANTY; without even the implied warranty of
        * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        * GNU General Public License for more details.
+       *
        * You should have received a copy of the GNU General Public License
        * along with this program; if not, write to the Free Software
        * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
+       *
        * For more information, contact:
+       *
        * cresques@gmail.com
        */
       package org.cresques.io.raster;
       /**
        * Calcula el m?ximo y el m?nimo de un raster, As? como el segundo menor valor y
        * el segundo mayor valor.
        * @author Luis W. Sevilla (sevilla_lui@gva.es)
        * @author Nacho Brodin (brodin_ign@gva.es)
        */
       public abstract class ComputeMinMaxFilter extends RasterFilter {
           protected int[] min = {
                                     Integer.MAX_VALUE, Integer.MAX_VALUE,
                                     Integer.MAX_VALUE
                                 };
           protected int[] max = {
                                     Integer.MIN_VALUE, Integer.MIN_VALUE,
                                     Integer.MIN_VALUE
                                 };
           protected int[] secondMin = {
                                           Integer.MAX_VALUE, Integer.MAX_VALUE,
                                           Integer.MAX_VALUE
                                       };
           protected int[] secondMax = {
                                           Integer.MIN_VALUE, Integer.MIN_VALUE,
                                           Integer.MIN_VALUE
                                       };
           protected int[] tmpMin = {
                                        Integer.MAX_VALUE, Integer.MAX_VALUE,
                                        Integer.MAX_VALUE
                                    };
           protected int[] tmpMax = {
                                        Integer.MIN_VALUE, Integer.MIN_VALUE,
                                        Integer.MIN_VALUE
                                    };
           /**
            * Constructor
+           *
            */
           public ComputeMinMaxFilter() {
               super();
+          }
           /**
            * Operaciones que se realizan antes de la ejecuci?n del filtro
            */
           public void pre() {
               //Obtenci?n de par?metros comunes a todos
               this.stats = (RasterStats) params.get("stats");
               this.stats.tailPercent = 0D;
               //Operaciones del filtro concreto
               this.min = new int[stats.minBandValue.length];
               this.max = new int[stats.maxBandValue.length];
               this.secondMin = new int[stats.minBandValue.length];
               this.secondMax = new int[stats.maxBandValue.length];
               this.tmpMin = new int[stats.minBandValue.length];
               this.tmpMax = new int[stats.maxBandValue.length];
               for (int i = 0; i < min.length; i++) {
                   secondMin[i] = tmpMin[i] = min[i] = Integer.MAX_VALUE;
                   secondMax[i] = tmpMax[i] = max[i] = Integer.MIN_VALUE;
+              }
+          }
           /**
            * Operaciones que se realizan despu?s de la ejecuci?n del filtro
            */
           public void post() {
               for (int i = 0; i < 3; i++) {
                   stats.minBandValue[i] = min[i];
                   stats.maxBandValue[i] = max[i];
                   stats.secondMinBandValue[i] = secondMin[i];
                   stats.secondMaxBandValue[i] = secondMax[i];
+              }
+          }
           /**
            * Obtiene le m?nimo para una banda dada
            * @param bandNr        banda
            * @return        valor m?nimo
            */
           public int getMin(int bandNr) {
               return min[bandNr];
+          }
           /**
            * Obtiene el m?ximo para una banda dada
            * @param bandNr        banda
            * @return        valor m?ximo
            */
           public int getMax(int bandNr) {
               return max[bandNr];
+          }
           /**
            * Obtiene el objeto stats con el calculo de m?ximos y m?nimos
            */
           public Object getResult(String name) {
               if (name.equals("stats")) {
                   return stats;
               } else {
                   return null;
+              }
+          }
+      }