root / trunk / libraries / libRaster / src / org / gvsig / raster / grid / filter / convolution / ConvolutionFilter.java @ 21803
History | View | Annotate | Download (7 KB)
| 1 |
/* gvSIG. Sistema de Informaci?n Geogrfica de la Generalitat Valenciana
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2006 Instituto de Desarrollo Regional 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 |
* For more information, contact:
|
| 20 |
*
|
| 21 |
* Generalitat Valenciana
|
| 22 |
* Conselleria d'Infraestructures i Transport
|
| 23 |
* Av. Blasco Iba?ez, 50
|
| 24 |
* 46010 VALENCIA
|
| 25 |
* SPAIN
|
| 26 |
*
|
| 27 |
* +34 963862235
|
| 28 |
* gvsig@gva.es
|
| 29 |
* www.gvsig.gva.es
|
| 30 |
*
|
| 31 |
* or
|
| 32 |
*
|
| 33 |
* Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)
|
| 34 |
* Campus Universitario s/n
|
| 35 |
* 02071 Alabacete
|
| 36 |
* Spain
|
| 37 |
*
|
| 38 |
* +34 967 599 200
|
| 39 |
*/
|
| 40 |
|
| 41 |
package org.gvsig.raster.grid.filter.convolution; |
| 42 |
|
| 43 |
import org.gvsig.raster.buffer.RasterBuffer; |
| 44 |
import org.gvsig.raster.dataset.Params; |
| 45 |
import org.gvsig.raster.grid.filter.RasterFilter; |
| 46 |
|
| 47 |
/**
|
| 48 |
* Filtros de Convolucion
|
| 49 |
* @author Diego Guerrero Sevilla <diego.guerrero@uclm.es>
|
| 50 |
* @author Alejandro Mu?oz S?nchez < alejandro.munoz@uclm.es>
|
| 51 |
* */
|
| 52 |
|
| 53 |
public class ConvolutionFilter extends RasterFilter { |
| 54 |
|
| 55 |
public static String[] names = new String[] {"media", "pasobajo", "sharpen", "gauss", "personalizado"}; |
| 56 |
public int ladoVentana = 0; |
| 57 |
protected Kernel kernel = null; |
| 58 |
|
| 59 |
/** Tipos de filtros de convolucion */
|
| 60 |
public static final int TYPE_MEDIA = 0; |
| 61 |
public static final int TYPE_LOWPASS = 1; |
| 62 |
public static final int TYPE_HIGHPASS = 2; |
| 63 |
public static final int TYPE_GAUSS = 3; |
| 64 |
public static final int TYPE_OTHER = 4; |
| 65 |
|
| 66 |
/**Definicion de los filtros basicos */
|
| 67 |
static final double gauss3x3[][]= {{1,4,1},{4,12,4},{1,4,1}}; |
| 68 |
static final double gauss5x5[][]= {{1,2,3,2,1},{2,7,11,7,2},{3,11,17,11,3},{2,7,11,7,2},{1,2,3,2,1}}; |
| 69 |
static final double gauss7x7[][]= {{1,1,2,2,2,1,1},{1,2,2,4,2,2,1},{2,2,4,8,4,2,2},{2,4,8,16,8,4,2},{2,2,4,8,4,2,2},{1,2,2,4,2,2,1},{1,1,2,2,2,1,1}}; |
| 70 |
static final double gauss7x7aux[][]= {{0,0,0.0003,0.0006,0.0003,0,0},{0,0.0011,0.0079,0.0153,0.0079,0.0011,0},{0.0003,0.0079,0.0563,0.1082,0.0563,0.0079,0.0003},{0.0006,0.0153,0.1082,0.2079,0.1082,0.0153,0.0006},{0.0003,0.0079,0.0563,0.1082,0.0563,0.0079,0.0003},{0,0.0011,0.0079,0.0153,0.0079,0.0011,0},{0,0,0.0003,0.0006,0.0003,0,0}}; |
| 71 |
static final double lowpass3x3[][]= {{0,1,0},{1,6,1},{0,1,0}}; |
| 72 |
static final double lowpass5x5[][]= {{1,1,1,1,1},{1,4,4,4,1},{1,4,12,4,1},{1,4,4,4,1},{1,1,1,1,1}}; |
| 73 |
static final double media3x3[][]={{1,1,1},{1,1,1},{1,1,1}}; |
| 74 |
static final double media5x5[][]={{1,1,1,1,1},{1,1,1,1,1},{1,1,1,1,1},{1,1,1,1,1},{1,1,1,1,1}}; |
| 75 |
static final double media7x7[][]={{1,1,1,1,1,1,1},{1,1,1,1,1,1,1},{1,1,1,1,1,1,1},{1,1,1,1,1,1,1},{1,1,1,1,1,1,1},{1,1,1,1,1,1,1},{1,1,1,1,1,1,1}}; |
| 76 |
static final double highpass3x3[][]= {{-1,-1,-1},{-1,9,-1},{-1,-1,-1}}; |
| 77 |
|
| 78 |
static final Kernel kGauss3x3 = new Kernel(gauss3x3,34); |
| 79 |
static final Kernel kGauss5x5 = new Kernel(gauss5x5,121); |
| 80 |
static final Kernel kGauss7x7 = new Kernel (gauss7x7aux); |
| 81 |
static final Kernel kLowpass3x3 = new Kernel(lowpass3x3,10); |
| 82 |
static final Kernel kLowpass5x5 = new Kernel(lowpass5x5); |
| 83 |
static final Kernel kMedia3x3 = new Kernel(media3x3,9); |
| 84 |
static final Kernel kMedia5x5 = new Kernel (media5x5,25); |
| 85 |
static final Kernel kMedia7x7 = new Kernel (media7x7,49); |
| 86 |
static final Kernel kHighpass3x3 = new Kernel (highpass3x3); |
| 87 |
private int operator = 0; |
| 88 |
private double agudeza = 1; |
| 89 |
|
| 90 |
|
| 91 |
|
| 92 |
|
| 93 |
/** Filtro de Convolucion*/
|
| 94 |
public ConvolutionFilter() {
|
| 95 |
super();
|
| 96 |
setName(names[0]);
|
| 97 |
} |
| 98 |
|
| 99 |
|
| 100 |
public String getGroup() { |
| 101 |
return "espaciales"; |
| 102 |
} |
| 103 |
|
| 104 |
public int getInRasterDataType() { |
| 105 |
return 0; |
| 106 |
} |
| 107 |
|
| 108 |
public String[] getNames() { |
| 109 |
return names;
|
| 110 |
} |
| 111 |
|
| 112 |
public int getOutRasterDataType() { |
| 113 |
return 0; |
| 114 |
} |
| 115 |
|
| 116 |
public Object getResult(String name) { |
| 117 |
if (name.equals("raster")) { |
| 118 |
if (!exec)
|
| 119 |
return this.raster; |
| 120 |
return this.rasterResult; |
| 121 |
} |
| 122 |
return null; |
| 123 |
} |
| 124 |
|
| 125 |
|
| 126 |
public void post() { |
| 127 |
// En caso de que nadie apunte a raster, se liberara su memoria.
|
| 128 |
raster = null;
|
| 129 |
|
| 130 |
} |
| 131 |
|
| 132 |
public void pre() { |
| 133 |
exec = true;
|
| 134 |
raster = (RasterBuffer) params.get("raster");
|
| 135 |
height = raster.getHeight(); |
| 136 |
width = raster.getWidth(); |
| 137 |
ladoVentana = ((Integer) params.get("ladoVentana")).intValue(); |
| 138 |
if(params.get("Agudeza") != null) |
| 139 |
agudeza = ((Double) params.get("Agudeza")).doubleValue(); |
| 140 |
Kernel userKernel = (Kernel) params.get("kernel"); |
| 141 |
String name = ((String)params.get("filterName")); |
| 142 |
operator = 0;
|
| 143 |
for (int i = 0; i < names.length; i++) { |
| 144 |
if (names[i].equals(name)) {
|
| 145 |
operator = i; |
| 146 |
setName(names[i]); |
| 147 |
break;
|
| 148 |
} |
| 149 |
} |
| 150 |
|
| 151 |
switch (operator) {
|
| 152 |
case TYPE_MEDIA:
|
| 153 |
setName(names[0]);
|
| 154 |
switch (ladoVentana) {
|
| 155 |
case 2: |
| 156 |
kernel = kMedia7x7; |
| 157 |
break;
|
| 158 |
case 1: |
| 159 |
kernel = kMedia5x5; |
| 160 |
break;
|
| 161 |
default:
|
| 162 |
kernel = kMedia3x3; |
| 163 |
break;
|
| 164 |
} |
| 165 |
break;
|
| 166 |
case TYPE_LOWPASS:
|
| 167 |
setName(names[1]);
|
| 168 |
switch (ladoVentana) {
|
| 169 |
case 1: |
| 170 |
kernel = kLowpass5x5; |
| 171 |
break;
|
| 172 |
default:
|
| 173 |
kernel = kLowpass3x3; |
| 174 |
break;
|
| 175 |
} |
| 176 |
break;
|
| 177 |
case TYPE_HIGHPASS:
|
| 178 |
setName(names[2]);
|
| 179 |
double[][] h = new double[3][3]; |
| 180 |
for (int i = 0; i < h.length; i++) { |
| 181 |
for (int j = 0; j < h[i].length; j++) { |
| 182 |
h[i][j] = highpass3x3[i][j]; |
| 183 |
} |
| 184 |
} |
| 185 |
h[1][1] = 29 - (agudeza * 20.9) / 100; |
| 186 |
kernel = new Kernel (h); |
| 187 |
break;
|
| 188 |
case TYPE_GAUSS:
|
| 189 |
setName(names[3]);
|
| 190 |
switch (ladoVentana) {
|
| 191 |
case 2: |
| 192 |
kernel = kGauss7x7; |
| 193 |
break;
|
| 194 |
case 1: |
| 195 |
kernel = kGauss5x5; |
| 196 |
break;
|
| 197 |
default:
|
| 198 |
kernel = kGauss3x3; |
| 199 |
break;
|
| 200 |
} |
| 201 |
break;
|
| 202 |
case TYPE_OTHER:
|
| 203 |
setName(names[4]);
|
| 204 |
kernel = userKernel; |
| 205 |
break;
|
| 206 |
} |
| 207 |
|
| 208 |
if (kernel == null) |
| 209 |
kernel = kMedia3x3; |
| 210 |
} |
| 211 |
|
| 212 |
public void process(int x, int y) { |
| 213 |
} |
| 214 |
|
| 215 |
public Params getUIParams(String nameFilter) { |
| 216 |
Params params = new Params();
|
| 217 |
if(nameFilter == "personalizado") { |
| 218 |
params.setParam("Panel", new ConvolutionUI(kernel), -1, null); |
| 219 |
} else if (nameFilter != "pasobajo" && nameFilter != "sharpen") { |
| 220 |
params.setParam("LadoVentana",
|
| 221 |
new Integer(ladoVentana), |
| 222 |
Params.CHOICE, |
| 223 |
new String[] {"3", "5", "7"}); |
| 224 |
} else if (nameFilter == "sharpen") { |
| 225 |
params.setParam("Agudeza",
|
| 226 |
new Double(agudeza), |
| 227 |
Params.SLIDER, |
| 228 |
new String[] {"0", "100", "0", "1", "25" }); //min, max, valor defecto, intervalo peque?o, intervalo grande; |
| 229 |
} else {
|
| 230 |
params.setParam("LadoVentana",
|
| 231 |
new Integer(ladoVentana), |
| 232 |
Params.CHOICE, |
| 233 |
new String[] {"3", "5"}); |
| 234 |
} |
| 235 |
|
| 236 |
params.setParam("FilterName",
|
| 237 |
nameFilter, |
| 238 |
-1,
|
| 239 |
null);
|
| 240 |
return params;
|
| 241 |
} |
| 242 |
} |