root / trunk / libraries / libRaster / src / org / gvsig / raster / grid / filter / bands / ColorTableFilter.java @ 12167
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1 | 12066 | nacho | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2007 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 | package org.gvsig.raster.grid.filter.bands; |
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20 | |||
21 | import org.gvsig.raster.buffer.RasterBuffer; |
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22 | import org.gvsig.raster.dataset.IBuffer; |
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23 | import org.gvsig.raster.dataset.Params; |
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24 | import org.gvsig.raster.grid.GridPalette; |
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25 | import org.gvsig.raster.grid.filter.RasterFilter; |
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26 | |||
27 | /**
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28 | * <P>
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29 | * Clase base para los filtros de tabla de color. Siempre gastar? la banda cero
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30 | * del raster para aplicar el filtro ya que la aplicaci?n de tablas suele tener
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31 | * sentido solo en raster de una sola banda.
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32 | * </P>
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33 | * <P>
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34 | * La salida siempre es un ARGB.
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35 | * </P>
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36 | *
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37 | * @version 06/06/2007
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38 | * @author Nacho Brodin (nachobrodin@gmail.com)
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39 | *
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40 | */
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41 | public class ColorTableFilter extends RasterFilter { |
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42 | protected IBuffer rasterResult = null; |
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43 | public static String[] names = new String[] {"colortable"}; |
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44 | protected GridPalette colorTable = null; |
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45 | |||
46 | /**
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47 | * Constructor
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48 | */
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49 | public ColorTableFilter() {
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50 | super();
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51 | setName(names[0]);
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52 | } |
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53 | |||
54 | /*
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55 | * (non-Javadoc)
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56 | * @see org.gvsig.raster.grid.filter.RasterFilter#pre()
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57 | */
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58 | public void pre() { |
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59 | exec = true;
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60 | raster = (RasterBuffer) params.get("raster");
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61 | height = raster.getHeight(); |
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62 | width = raster.getWidth(); |
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63 | colorTable = ((GridPalette) params.get("colorTable"));
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64 | |||
65 | } |
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66 | |||
67 | /*
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68 | * (non-Javadoc)
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69 | * @see org.gvsig.raster.grid.filter.RasterFilter#getGroup()
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70 | */
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71 | public String getGroup() { |
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72 | return "basics"; |
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73 | } |
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74 | |||
75 | public String[] getNames() { |
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76 | return names;
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77 | } |
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78 | |||
79 | /*
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80 | * (non-Javadoc)
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81 | * @see org.gvsig.raster.grid.filter.RasterFilter#getResult(java.lang.String)
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82 | */
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83 | public Object getResult(String name) { |
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84 | if (name.equals("raster")) |
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85 | return (Object) this.rasterResult; |
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86 | return null; |
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87 | } |
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88 | |||
89 | /*
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90 | * (non-Javadoc)
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91 | * @see org.gvsig.raster.grid.filter.RasterFilter#getUIParams(java.lang.String)
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92 | */
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93 | public Params getUIParams(String nameFilter) { |
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94 | return new Params(); |
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95 | } |
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96 | |||
97 | public void post() { |
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98 | // En caso de que nadie apunte a raster, se liberar? su memoria.
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99 | raster = null;
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100 | } |
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101 | |||
102 | public void process(int x, int y) { |
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103 | } |
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104 | |||
105 | /*
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106 | * (non-Javadoc)
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107 | * @see org.gvsig.raster.grid.filter.RasterFilter#getInRasterDataType()
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108 | */
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109 | public int getInRasterDataType() { |
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110 | return IBuffer.TYPE_UNDEFINED;
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111 | } |
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112 | |||
113 | /*
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114 | * (non-Javadoc)
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115 | * @see org.gvsig.raster.grid.filter.RasterFilter#getOutRasterDataType()
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116 | */
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117 | public int getOutRasterDataType() { |
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118 | return IBuffer.TYPE_UNDEFINED;
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119 | } |
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120 | |||
121 | } |