root / trunk / libraries / libRaster / src / org / gvsig / raster / grid / filter / enhancement / EnhancementListManager.java @ 12333
History | View | Annotate | Download (8.28 KB)
| 1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2006 IVER T.I. and Generalitat Valenciana.
|
| 4 |
*
|
| 5 |
* This program is free software; you can redistribute it and/or
|
| 6 |
* modify it under the terms of the GNU General Public License
|
| 7 |
* as published by the Free Software Foundation; either version 2
|
| 8 |
* of the License, or (at your option) any later version.
|
| 9 |
*
|
| 10 |
* This program is distributed in the hope that it will be useful,
|
| 11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 13 |
* GNU General Public License for more details.
|
| 14 |
*
|
| 15 |
* You should have received a copy of the GNU General Public License
|
| 16 |
* along with this program; if not, write to the Free Software
|
| 17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
| 18 |
*/
|
| 19 |
package org.gvsig.raster.grid.filter.enhancement; |
| 20 |
|
| 21 |
import java.util.ArrayList; |
| 22 |
|
| 23 |
import org.gvsig.raster.dataset.FileNotOpenException; |
| 24 |
import org.gvsig.raster.dataset.Params; |
| 25 |
import org.gvsig.raster.dataset.RasterDriverException; |
| 26 |
import org.gvsig.raster.grid.filter.IRasterFilterListManager; |
| 27 |
import org.gvsig.raster.grid.filter.RasterFilter; |
| 28 |
import org.gvsig.raster.grid.filter.RasterFilterList; |
| 29 |
import org.gvsig.raster.grid.filter.RasterFilterListManager; |
| 30 |
import org.gvsig.raster.grid.filter.statistics.StatisticsListManager; |
| 31 |
import org.gvsig.raster.shared.IStatistics; |
| 32 |
import org.gvsig.raster.util.extensionPoints.ExtensionPoints; |
| 33 |
import org.gvsig.raster.util.extensionPoints.ExtensionPointsSingleton; |
| 34 |
/**
|
| 35 |
* Gestor de la pila de filtros para el filtro de realce.
|
| 36 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
| 37 |
*/
|
| 38 |
public class EnhancementListManager implements IRasterFilterListManager { |
| 39 |
|
| 40 |
protected RasterFilterList filterList = null; |
| 41 |
private RasterFilterListManager filterListManager = null; |
| 42 |
private IStatistics stats = null; |
| 43 |
|
| 44 |
/**
|
| 45 |
* Constructor
|
| 46 |
* @param filterListManager
|
| 47 |
*/
|
| 48 |
public EnhancementListManager(RasterFilterListManager filterListManager) {
|
| 49 |
this.filterListManager = filterListManager;
|
| 50 |
this.filterList = filterListManager.getFilterList();
|
| 51 |
stats = (IStatistics)filterList.getParam("IStatistics");
|
| 52 |
} |
| 53 |
|
| 54 |
/**
|
| 55 |
* Asigna el objeto con las estadisticas.
|
| 56 |
* @param stats
|
| 57 |
*/
|
| 58 |
public void setStatistics(IStatistics stats) { |
| 59 |
this.stats = stats;
|
| 60 |
} |
| 61 |
|
| 62 |
public static void register() { |
| 63 |
ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance(); |
| 64 |
extensionPoints.add("RasterFilter", "Enhancement", EnhancementListManager.class); |
| 65 |
} |
| 66 |
|
| 67 |
/**
|
| 68 |
* A?ade un filtro de realce.
|
| 69 |
* La forma de inserci?n del filtro es fija ya que la inserci?n de un realce lleva implicita
|
| 70 |
* la inserci?n de un filtro de recorte de colas (tailtrim), aunque no en todos los casos.
|
| 71 |
* Si ya existe un filtro de realce en la lista se obtiene la posici?n de este.
|
| 72 |
* Si es necesario un recorte de colas entonces se comprueba si existe un uno reemplazandose
|
| 73 |
* por el nuevo y sino se insertar? uno. Al final reemplazamos el realce que existia.
|
| 74 |
*
|
| 75 |
* Si por el contrario no existen realce ni trim se a?aden ambos al final de la lista.
|
| 76 |
* @param removeEnds eliminar extremos en los m?ximos y m?nimos
|
| 77 |
* @param stats Objeto de estadisticas asociado
|
| 78 |
* @param tailTrim porcentaje de recorte de colas. Ser? un valor entre 0 y 1.
|
| 79 |
* @param insertionMode Modo de inserci?n
|
| 80 |
* @param renderBands bandas RGB mostradas en la visualizaci?n.
|
| 81 |
*/
|
| 82 |
public void addEnhancedFilter(boolean removeEnds, IStatistics stats, double tailTrim, int[] renderBands) { |
| 83 |
|
| 84 |
if (tailTrim == 0) { // En este caso siempre es necesario el m?ximo y |
| 85 |
// m?nimo
|
| 86 |
if (!stats.isCalculated()) {
|
| 87 |
try {
|
| 88 |
stats.calcFullStatistics(); |
| 89 |
} catch (FileNotOpenException e) {
|
| 90 |
// No podemos aplicar el filtro
|
| 91 |
return;
|
| 92 |
} catch (RasterDriverException e) {
|
| 93 |
// No podemos aplicar el filtro
|
| 94 |
return;
|
| 95 |
} |
| 96 |
} |
| 97 |
} else {
|
| 98 |
StatisticsListManager slm = new StatisticsListManager(filterListManager, stats);
|
| 99 |
slm.addTailFilter(tailTrim, 0D, removeEnds, stats);
|
| 100 |
} |
| 101 |
|
| 102 |
RasterFilter filter = createEnhancedFilter(removeEnds, stats, tailTrim, renderBands); |
| 103 |
if (filter != null) |
| 104 |
filterList.add(filter); |
| 105 |
} |
| 106 |
|
| 107 |
public static RasterFilter createEnhancedFilter(boolean removeEnds, IStatistics stats, double tailTrim, int[] renderBands) { |
| 108 |
RasterFilter filter = new LinearEnhancementFloatFilter();
|
| 109 |
if (filter != null) { |
| 110 |
filter.addParam("stats", stats);
|
| 111 |
if (removeEnds) {
|
| 112 |
filter.addParam("remove", new Boolean(true)); |
| 113 |
} else {
|
| 114 |
filter.addParam("remove", new Boolean(false)); |
| 115 |
} |
| 116 |
filter.addParam("tailTrim", new Double(tailTrim)); |
| 117 |
filter.addParam("renderBands", renderBands);
|
| 118 |
} |
| 119 |
|
| 120 |
return filter;
|
| 121 |
} |
| 122 |
|
| 123 |
/**
|
| 124 |
* Obtiene un Array de Strings a partir de una pila de filtros. Cada elemento
|
| 125 |
* del array tendr? la forma de elemento=valor.
|
| 126 |
*/
|
| 127 |
public ArrayList getStringsFromFilterList(ArrayList filterList, RasterFilter rf) { |
| 128 |
if (rf instanceof LinearEnhancementFilter) { |
| 129 |
filterList.add("filter.enhanced.active=true");
|
| 130 |
filterList.add("filter.enhanced.tailTrim=" + ((LinearEnhancementFilter) rf).getTailTrim().toString());
|
| 131 |
StringBuffer values = new StringBuffer(); |
| 132 |
for (int i = 0; i < ((LinearEnhancementFilter) rf).renderBands.length; i++) { |
| 133 |
values.append(((LinearEnhancementFilter) rf).renderBands[i]); |
| 134 |
if (i < ((LinearEnhancementFilter) rf).renderBands.length - 1) |
| 135 |
values.append(",");
|
| 136 |
} |
| 137 |
filterList.add("filter.enhanced.renderbands=" + values.toString());
|
| 138 |
filterList.add("filter.enhanced.remove=" + ((LinearEnhancementFilter) rf).getRemoveEnds().toString());
|
| 139 |
} |
| 140 |
|
| 141 |
return filterList;
|
| 142 |
} |
| 143 |
|
| 144 |
/*
|
| 145 |
* (non-Javadoc)
|
| 146 |
* @see org.gvsig.raster.grid.filter.IRasterFilterListManager#createFilterListFromStrings(java.util.ArrayList, java.lang.String, int)
|
| 147 |
*/
|
| 148 |
public int createFilterListFromStrings(ArrayList filters, String fil, int filteri) { |
| 149 |
if (fil.startsWith("filter.enhanced.active") && RasterFilterListManager.getValue(fil).equals("true")) { |
| 150 |
filters.remove(filteri); |
| 151 |
double tailTrim = 0D; |
| 152 |
int[] renderBands = new int[] { 0, 0, 0 }; |
| 153 |
|
| 154 |
for (int propFilter = 0; propFilter < filters.size(); propFilter++) { |
| 155 |
String elem = (String) filters.get(propFilter); |
| 156 |
|
| 157 |
if (elem.startsWith("filter.enhanced.tailTrim")) { |
| 158 |
try {
|
| 159 |
tailTrim = new Double(RasterFilterListManager.getValue(elem)).doubleValue(); |
| 160 |
} catch (NumberFormatException ex) { |
| 161 |
// tailTrim sigue valiendo 0
|
| 162 |
} |
| 163 |
} |
| 164 |
|
| 165 |
if (elem.startsWith("filter.enhanced.renderbands")) { |
| 166 |
String value = RasterFilterListManager.getValue(elem);
|
| 167 |
String[] valueList = value.split(","); |
| 168 |
renderBands = new int[valueList.length]; |
| 169 |
for (int i = 0; i < renderBands.length; i++) { |
| 170 |
try {
|
| 171 |
renderBands[i] = Integer.parseInt(valueList[i]);
|
| 172 |
} catch (NumberFormatException e) { |
| 173 |
// No a?ade el valor
|
| 174 |
} |
| 175 |
} |
| 176 |
// filters.remove(propFilter);
|
| 177 |
// propFilter--;
|
| 178 |
} |
| 179 |
|
| 180 |
if (elem.startsWith("filter.enhanced.remove")) { |
| 181 |
addEnhancedFilter(Boolean.valueOf(RasterFilterListManager.getValue(elem)).booleanValue(), stats, tailTrim, renderBands);
|
| 182 |
filters.remove(propFilter); |
| 183 |
propFilter--; |
| 184 |
} |
| 185 |
} |
| 186 |
|
| 187 |
filteri = -1;
|
| 188 |
} |
| 189 |
return filteri;
|
| 190 |
} |
| 191 |
|
| 192 |
/*
|
| 193 |
* (non-Javadoc)
|
| 194 |
* @see org.gvsig.raster.grid.filter.IRasterFilterListManager#getRasterFilterList()
|
| 195 |
*/
|
| 196 |
public ArrayList getRasterFilterList() { |
| 197 |
ArrayList filters = new ArrayList(); |
| 198 |
filters.add(LinearEnhancementFilter.class); |
| 199 |
return filters;
|
| 200 |
} |
| 201 |
|
| 202 |
public void addFilter(Class classFilter, Params params) { |
| 203 |
if (classFilter.equals(LinearEnhancementFilter.class)) {
|
| 204 |
boolean removeEnds = false; |
| 205 |
double tailTrim = 0.0; |
| 206 |
int[] renderBands = { 0, 1, 2 }; |
| 207 |
|
| 208 |
for (int i = 0; i < params.getNumParams(); i++) { |
| 209 |
if (params.getParam(i).id.equals("RenderBands")) { |
| 210 |
String[] bands = new String((String) params.getParam(i).defaultValue).split(" "); |
| 211 |
renderBands[0] = new Integer(bands[0]).intValue(); |
| 212 |
renderBands[1] = new Integer(bands[1]).intValue(); |
| 213 |
renderBands[2] = new Integer(bands[2]).intValue(); |
| 214 |
continue;
|
| 215 |
} |
| 216 |
if (params.getParam(i).id.equals("RemoveEnds")) { |
| 217 |
removeEnds = new Boolean((String) params.getParam(i).defaultValue).booleanValue(); |
| 218 |
continue;
|
| 219 |
} |
| 220 |
if (params.getParam(i).id.equals("TailTrim")) |
| 221 |
tailTrim = Double.parseDouble((String) params.getParam(i).defaultValue) / 100.0; |
| 222 |
} |
| 223 |
|
| 224 |
addEnhancedFilter(removeEnds, (IStatistics) filterList.getParam("IStatistics"), tailTrim, renderBands);
|
| 225 |
} |
| 226 |
} |
| 227 |
} |