root / tags / v1_0_2_Build_916 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / StatusLayerRaster.java @ 12327
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1 | 2183 | fernando | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | package com.iver.cit.gvsig.fmap.layers; |
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42 | |||
43 | import java.util.ArrayList; |
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44 | |||
45 | 5979 | nacho | import org.cresques.filter.RasterFilterStackManager; |
46 | 2183 | fernando | import org.cresques.io.GeoRasterFile; |
47 | |||
48 | import com.iver.utiles.XMLEntity; |
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49 | |||
50 | /**
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51 | * Esta clase almacena el estado de un raster en cuanto a las caracteristicas
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52 | * de opacidad, bandas y filtros. Estas caracter?sticas pueden ser salvadas a
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53 | * un xml y recuperadas por la capa a trav?s de las funciones setXMLEntity y
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54 | 4586 | nacho | * getXMLEntity
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55 | *
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56 | * @author Nacho Brodin (brodin_ign@gva.es)
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57 | 2183 | fernando | */
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58 | public class StatusLayerRaster implements StatusRasterInterface{ |
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59 | |||
60 | 4234 | nacho | public static String defaultClass = "com.iver.cit.gvsig.fmap.layers.StatusLayerRaster"; |
61 | 2183 | fernando | |
62 | //Valor de opacidad global de la imagen
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63 | 2767 | nacho | public int transparency = 0; |
64 | 2183 | fernando | |
65 | //(Selecci?n de bandas)N?mero de banda asignado al Rojo, verde y azul
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66 | public int bandR = 0; |
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67 | public int bandG = 1; |
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68 | public int bandB = 2; |
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69 | |||
70 | //Ficheros cargados en un PxRaster
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71 | public ArrayList files = new ArrayList(); |
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72 | |||
73 | //Filtros para poder montar una nueva pila
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74 | public ArrayList filters = new ArrayList(); |
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75 | 4600 | nacho | |
76 | 2183 | fernando | /* (non-Javadoc)
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77 | * @see com.iver.cit.gvsig.fmap.layers.StatusRasterInterface#setXMLEntity(com.iver.utiles.XMLEntity)
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78 | */
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79 | 2623 | nacho | public void setXMLEntity(XMLEntity xml, RasterOperations layer)throws XMLException { |
80 | 4234 | nacho | |
81 | //Recuperamos las propiedades de los filtros
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82 | for(int i=0;i<xml.getPropertyCount();i++){ |
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83 | 4592 | nacho | if(xml.getPropertyName(i).startsWith("filter.")) |
84 | 4234 | nacho | filters.add(xml.getPropertyName(i)+"="+xml.getPropertyValue(i));
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85 | } |
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86 | |||
87 | 2183 | fernando | if (xml.contains("raster.opacityLevel")) { |
88 | transparency = xml.getIntProperty("raster.opacityLevel");
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89 | } |
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90 | if (xml.contains("raster.bandR")) { |
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91 | bandR = xml.getIntProperty("raster.bandR");
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92 | } |
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93 | if (xml.contains("raster.bandG")) { |
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94 | bandG = xml.getIntProperty("raster.bandG");
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95 | } |
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96 | if (xml.contains("raster.bandB")) { |
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97 | bandB = xml.getIntProperty("raster.bandB");
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98 | } |
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99 | 2653 | nacho | |
100 | 2183 | fernando | int cont = 0; |
101 | while(true && cont<50){ |
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102 | if (xml.contains("raster.file"+cont)) { |
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103 | files.add(xml.getStringProperty("raster.file"+cont));
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104 | cont++; |
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105 | }else
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106 | break;
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107 | } |
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108 | } |
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109 | |||
110 | |||
111 | /* (non-Javadoc)
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112 | * @see com.iver.cit.gvsig.fmap.layers.StatusRasterInterface#getXMLEntity(com.iver.utiles.XMLEntity)
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113 | */
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114 | 2623 | nacho | public void getXMLEntity(XMLEntity xml, boolean loadClass, RasterOperations layer) throws XMLException { |
115 | 2183 | fernando | |
116 | if(loadClass)
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117 | 4234 | nacho | xml.putProperty("raster.class", StatusLayerRaster.defaultClass);
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118 | 2183 | fernando | |
119 | if(transparency!=255) |
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120 | xml.putProperty("raster.opacityLevel", ""+transparency); |
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121 | |||
122 | xml.putProperty("raster.bandR", ""+bandR); |
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123 | xml.putProperty("raster.bandG", ""+bandG); |
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124 | xml.putProperty("raster.bandB", ""+bandB); |
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125 | |||
126 | 2647 | nacho | |
127 | 2183 | fernando | if(files!=null && files.size()!=0){ |
128 | for(int i=0;i<files.size();i++) |
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129 | xml.putProperty("raster.file"+i, ""+((String)files.get(i))); |
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130 | } |
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131 | |||
132 | 2633 | nacho | //Salvamos la pila de filtros.
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133 | //Si la pila es null (esto puede ocurrir cuando se abre un
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134 | //proyecto que tiene WCS y no se abre la vista de este) entonces hay que leer los filtros
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135 | //que van a salvarse a disco directamente de la variable filters que es la que se ha cargado
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136 | //al hacer el setXMLEntity.
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137 | 2183 | fernando | |
138 | 2633 | nacho | RasterFilterStackManager stackManager = null;
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139 | ArrayList l = null; |
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140 | if(layer.getFilterStack()!=null){ |
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141 | stackManager = new RasterFilterStackManager(layer.getFilterStack());
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142 | l = stackManager.getStringsFromStack(); |
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143 | 2647 | nacho | if(l == null || l.size() == 0) |
144 | l = filters; |
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145 | 2633 | nacho | }else
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146 | l = filters; |
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147 | |||
148 | 4234 | nacho | for(int i=0;i<l.size();i++) |
149 | 2183 | fernando | xml.putProperty(getElem((String)l.get(i)), getValue((String)l.get(i))); |
150 | } |
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151 | |||
152 | /**
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153 | * Obtiene el valor de una cadena de la forma elemento=valor
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154 | * @param cadena
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155 | * @return
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156 | */
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157 | private String getValue(String cadena){ |
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158 | if(cadena!=null) |
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159 | return cadena.substring(cadena.indexOf("=")+1, cadena.length()); |
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160 | else
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161 | return null; |
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162 | } |
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163 | |||
164 | /**
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165 | * Obtiene el elemento de una cadena de la forma elemento=valor
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166 | * @param cadena
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167 | * @return
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168 | */
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169 | private String getElem(String cadena){ |
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170 | if(cadena!=null) |
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171 | return cadena.substring(0, cadena.indexOf("=")); |
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172 | else
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173 | return null; |
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174 | } |
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175 | |||
176 | /* (non-Javadoc)
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177 | * @see com.iver.cit.gvsig.fmap.layers.StatusRasterInterface#getFilters()
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178 | */
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179 | public ArrayList getFilters(){ |
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180 | return this.filters; |
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181 | } |
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182 | |||
183 | 4586 | nacho | |
184 | 2183 | fernando | /* (non-Javadoc)
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185 | * @see com.iver.cit.gvsig.fmap.layers.StatusRasterInterface#applyStatus(com.iver.cit.gvsig.fmap.layers.RasterFileAdapter)
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186 | */
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187 | 2623 | nacho | public void applyStatus(RasterOperations layer){ |
188 | 4234 | nacho | |
189 | 2183 | fernando | //Eliminamos el fichero inicial y cargamos las bandas si hay para que se carguen
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190 | //en el orden correcto
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191 | 2623 | nacho | if(layer instanceof FLyrRaster){ |
192 | if(files.size()!=0){ |
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193 | 10195 | nacho | ((FLyrRaster)layer).delFile((String)files.get(0)); |
194 | 2623 | nacho | for(int i=0;i<files.size();i++) |
195 | ((FLyrRaster)layer).addFiles((String)files.get(i));
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196 | } |
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197 | 2183 | fernando | } |
198 | |||
199 | //Asigna las bandas
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200 | 2372 | igbrotru | if(bandR==-1)bandR=0; |
201 | if(bandG==-1)bandG=0; |
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202 | if(bandB==-1)bandB=0; |
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203 | 2623 | nacho | layer.setBand(GeoRasterFile.RED_BAND, bandR); |
204 | layer.setBand(GeoRasterFile.GREEN_BAND, bandG); |
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205 | layer.setBand(GeoRasterFile.BLUE_BAND, bandB); |
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206 | 2378 | igbrotru | |
207 | //Asigna la transparencia
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208 | 6007 | nacho | if(transparency != 255) |
209 | 2378 | igbrotru | layer.setTransparency(transparency); |
210 | 4234 | nacho | |
211 | //Crea la pila de filtros a partir de las propiedades recuperadas desde el XML
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212 | if(layer.getFilterStack() != null){ |
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213 | RasterFilterStackManager stackManager = new RasterFilterStackManager(layer.getFilterStack());
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214 | 7106 | nacho | if(layer instanceof FLyrRaster) |
215 | stackManager.createStackFromStrings(this.filters, ((FLyrRaster)layer).getSource().getFiles());
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216 | else
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217 | stackManager.createStackFromStrings(this.filters, new Integer(0)); |
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218 | 4234 | nacho | } |
219 | 2378 | igbrotru | |
220 | 2183 | fernando | } |
221 | } |