gvsig-raster / org.gvsig.raster.tools / trunk / org.gvsig.raster.tools / org.gvsig.raster.tools.algorithm / org.gvsig.raster.tools.algorithm.layerdatatype / src / main / java / org / gvsig / raster / tools / algorithm / layerdatatype / LayerDatatypeProcess.java @ 5474
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1 | 2480 | nbrodin | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | */
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22 | package org.gvsig.raster.tools.algorithm.layerdatatype; |
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23 | |||
24 | import org.gvsig.fmap.dal.coverage.RasterLocator; |
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25 | import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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26 | import org.gvsig.fmap.dal.coverage.dataset.BufferParam; |
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27 | import org.gvsig.fmap.dal.coverage.datastruct.NoData; |
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28 | import org.gvsig.fmap.dal.coverage.exception.BufferCreationException; |
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29 | import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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30 | import org.gvsig.fmap.dal.coverage.exception.QueryException; |
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31 | import org.gvsig.fmap.dal.coverage.store.RasterDataStore; |
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32 | import org.gvsig.fmap.dal.coverage.store.RasterQuery; |
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33 | import org.gvsig.i18n.Messages; |
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34 | import org.gvsig.raster.algorithm.process.DataProcess; |
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35 | import org.gvsig.tools.locator.LocatorException; |
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36 | |||
37 | /**
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38 | * Process to change a <code>RasterDataStore</code> of data type
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39 | *
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40 | * 10/12/2007
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41 | * @author Nacho Brodin nachobrodin@gmail.com
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42 | */
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43 | public class LayerDatatypeProcess extends DataProcess { |
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44 | public static String RASTER_STORE1 = "RasterStore1"; |
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45 | public static String PATH = "Path"; |
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46 | public static String FILENAME = "FileName"; |
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47 | public static String DATATYPE = "Datatype"; |
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48 | public static String ADJUST_DEC2INT = "AdjustDec2Int"; |
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49 | public static String ADJUST_BIG2SMALL = "AdjustBig2Small"; |
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50 | |||
51 | public static String[] DEC2INT_OPTIONS = new String[]{"Trunk", "Round", "Ceil", "Floor"}; |
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52 | public static String[] BIG2SMALL_OPTIONS = new String[]{"Trunk", "Maxvalue", "NoData"}; |
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53 | |||
54 | private RasterDataStore store = null; |
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55 | private String filename = null; |
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56 | private int datatype = 0; |
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57 | private int dec2int = 0; |
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58 | private int big2smal = 0; |
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59 | private NoData byteNoData = null; |
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60 | private NoData shortNoData = null; |
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61 | private NoData intNoData = null; |
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62 | private NoData floatNoData = null; |
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63 | |||
64 | public static void registerParameters() { |
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65 | registerInputParameter(RASTER_STORE1, RasterDataStore.class, LayerDatatypeAlgorithmLibrary.PROCESS_LABEL); |
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66 | registerInputParameter(PATH, String.class, LayerDatatypeAlgorithmLibrary.PROCESS_LABEL);
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67 | registerInputParameter(DATATYPE, Integer.class, LayerDatatypeAlgorithmLibrary.PROCESS_LABEL);
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68 | registerInputParameter(ADJUST_DEC2INT, Integer.class, LayerDatatypeAlgorithmLibrary.PROCESS_LABEL);
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69 | registerInputParameter(ADJUST_BIG2SMALL, Integer.class, LayerDatatypeAlgorithmLibrary.PROCESS_LABEL);
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70 | |||
71 | registerOutputParameter(FILENAME, String.class, LayerDatatypeAlgorithmLibrary.PROCESS_LABEL);
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72 | } |
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73 | |||
74 | public void init() { |
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75 | store = getParam(RASTER_STORE1) != null ? (RasterDataStore)getParam(RASTER_STORE1) : null; |
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76 | filename = getStringParam(PATH); |
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77 | datatype = (Integer)getParam(DATATYPE);
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78 | dec2int = (Integer)getParam(ADJUST_DEC2INT);
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79 | big2smal = (Integer)getParam(ADJUST_BIG2SMALL);
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80 | byteNoData = RasterLocator.getManager().getDataStructFactory().createDefaultNoData( |
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81 | store.getBandCount(), Buffer.TYPE_BYTE);
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82 | shortNoData = RasterLocator.getManager().getDataStructFactory().createDefaultNoData( |
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83 | store.getBandCount(), Buffer.TYPE_SHORT);
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84 | intNoData = RasterLocator.getManager().getDataStructFactory().createDefaultNoData( |
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85 | store.getBandCount(), Buffer.TYPE_INT);
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86 | floatNoData = RasterLocator.getManager().getDataStructFactory().createDefaultNoData( |
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87 | store.getBandCount(), Buffer.TYPE_FLOAT);
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88 | } |
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89 | |||
90 | public void process() throws ProcessInterruptedException { |
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91 | insertLineLog(Messages.getText("layer_datatype"));
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92 | try {
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93 | store = store.newNotTiledDataStore(); |
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94 | if (store == null) |
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95 | throw new LayerDatatypeException("intput_not_valid"); |
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96 | |||
97 | int inDataType = store.getDataType()[0]; |
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98 | BufferParam param = RasterLocator.getManager().getBufferFactory().createBufferParams( |
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99 | (int)store.getWidth(),
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100 | (int)store.getHeight(),
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101 | store.getBandCount(), |
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102 | datatype, |
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103 | true);
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104 | Buffer buf = RasterLocator.getManager().getBufferFactory().createBuffer(param);
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105 | |||
106 | RasterQuery query = RasterLocator.getManager().createQuery(); |
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107 | query.setAllDrawableBands(); |
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108 | query.setAreaOfInterest(); |
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109 | Buffer sourceBuffer = null; |
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110 | try {
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111 | sourceBuffer = store.query(query); |
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112 | } catch (QueryException e) {
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113 | throw new LayerDatatypeException(""); |
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114 | } |
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115 | double v = 0; |
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116 | |||
117 | |||
118 | switch (inDataType) {
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119 | case Buffer.TYPE_BYTE: |
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120 | for (int row = 0; row < buf.getHeight(); row++) { |
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121 | for (int col = 0; col < buf.getWidth(); col++) { |
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122 | for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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123 | writePixelFromByte(row, col, iBand, sourceBuffer.getElemByte(row, col, iBand), buf); |
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124 | } |
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125 | } |
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126 | updatePercent(row, buf.getHeight()); |
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127 | } |
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128 | break;
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129 | case Buffer.TYPE_SHORT: |
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130 | for (int row = 0; row < buf.getHeight(); row++) { |
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131 | for (int col = 0; col < buf.getWidth(); col++) { |
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132 | for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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133 | writePixelFromShort(row, col, iBand, sourceBuffer.getElemShort(row, col, iBand), buf); |
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134 | } |
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135 | } |
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136 | updatePercent(row, buf.getHeight()); |
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137 | } |
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138 | break;
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139 | case Buffer.TYPE_INT: |
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140 | for (int row = 0; row < buf.getHeight(); row++) { |
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141 | for (int col = 0; col < buf.getWidth(); col++) { |
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142 | for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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143 | writePixelFromInt(row, col, iBand, sourceBuffer.getElemInt(row, col, iBand), buf); |
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144 | } |
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145 | } |
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146 | updatePercent(row, buf.getHeight()); |
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147 | } |
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148 | break;
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149 | case Buffer.TYPE_FLOAT: |
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150 | for (int row = 0; row < buf.getHeight(); row++) { |
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151 | for (int col = 0; col < buf.getWidth(); col++) { |
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152 | for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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153 | v = getDecimalValue(sourceBuffer.getElemFloat(row, col, iBand), inDataType); |
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154 | writePixelFromDouble(row, col, iBand, v, buf); |
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155 | } |
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156 | } |
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157 | updatePercent(row, buf.getHeight()); |
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158 | } |
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159 | break;
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160 | case Buffer.TYPE_DOUBLE: |
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161 | for (int row = 0; row < buf.getHeight(); row++) { |
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162 | for (int col = 0; col < buf.getWidth(); col++) { |
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163 | for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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164 | v = getDecimalValue(sourceBuffer.getElemDouble(row, col, iBand), inDataType); |
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165 | writePixelFromDouble(row, col, iBand, v, buf); |
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166 | } |
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167 | } |
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168 | updatePercent(row, buf.getHeight()); |
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169 | } |
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170 | break;
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171 | } |
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172 | |||
173 | 5474 | llmarques | super.exportRaster(filename, buf, sourceBuffer.getStore().getCellSize(), sourceBuffer
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174 | .getStore().getExtent().getULX(), sourceBuffer.getStore().getExtent().getULY(), |
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175 | store.getProjection()); |
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176 | 2480 | nbrodin | |
177 | addOutputValue(FILENAME, filename); |
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178 | } catch (LayerDatatypeException e) {
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179 | if (incrementableTask != null) |
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180 | incrementableTask.processFinalize(); |
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181 | messageBoxError("error_changing_the_datatype", this, e); |
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182 | } catch (LocatorException e) {
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183 | if (incrementableTask != null) |
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184 | incrementableTask.processFinalize(); |
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185 | messageBoxError("error_creating_buffer", this, e); |
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186 | } catch (BufferCreationException e) {
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187 | if (incrementableTask != null) |
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188 | incrementableTask.processFinalize(); |
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189 | messageBoxError("error_creating_buffer", this, e); |
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190 | } |
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191 | } |
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192 | |||
193 | public double getDecimalValue(double value, int inDataType) { |
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194 | if(inDataType == Buffer.TYPE_FLOAT || inDataType == Buffer.TYPE_DOUBLE) { |
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195 | switch (dec2int) {
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196 | case 0:return (double)((long)value); |
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197 | case 1:return Math.round(value); |
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198 | case 2:return Math.ceil(value); |
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199 | case 3:return Math.floor(value); |
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200 | } |
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201 | } |
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202 | return value;
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203 | } |
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204 | |||
205 | private void writePixelFromByte(int row, int col, int band, byte value, Buffer dst) { |
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206 | switch (dst.getDataType()) {
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207 | case Buffer.TYPE_BYTE: dst.setElem(row, col, band, value);break; |
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208 | case Buffer.TYPE_SHORT: dst.setElem(row, col, band, (short)value);break; |
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209 | case Buffer.TYPE_INT: dst.setElem(row, col, band, (int)value);break; |
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210 | case Buffer.TYPE_FLOAT: dst.setElem(row, col, band, (float)value);break; |
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211 | case Buffer.TYPE_DOUBLE: dst.setElem(row, col, band, (double)value);break; |
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212 | } |
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213 | } |
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214 | |||
215 | private void writePixelFromShort(int row, int col, int band, short value, Buffer dst) { |
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216 | switch (dst.getDataType()) {
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217 | case Buffer.TYPE_BYTE: |
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218 | dst.setElem(row, col, band, (byte)value);
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219 | if(value > Byte.MAX_VALUE) { |
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220 | switch (big2smal) {
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221 | case 1:dst.setElem(row, col, band, Byte.MAX_VALUE);break; |
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222 | case 2:dst.setElem(row, col, band, (Byte)byteNoData.getValue());break; |
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223 | } |
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224 | } |
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225 | break;
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226 | case Buffer.TYPE_SHORT: dst.setElem(row, col, band, value);break; |
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227 | case Buffer.TYPE_INT: dst.setElem(row, col, band, (int)value);break; |
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228 | case Buffer.TYPE_FLOAT: dst.setElem(row, col, band, (float)value);break; |
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229 | case Buffer.TYPE_DOUBLE: dst.setElem(row, col, band, (double)value);break; |
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230 | } |
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231 | } |
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232 | |||
233 | private void writePixelFromInt(int row, int col, int band, int value, Buffer dst) { |
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234 | switch (dst.getDataType()) {
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235 | case Buffer.TYPE_BYTE: |
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236 | dst.setElem(row, col, band, (byte)value);
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237 | if(value > Byte.MAX_VALUE) { |
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238 | switch (big2smal) {
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239 | case 1:dst.setElem(row, col, band, Byte.MAX_VALUE);break; |
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240 | case 2:dst.setElem(row, col, band, (Byte)byteNoData.getValue());break; |
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241 | } |
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242 | } |
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243 | break;
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244 | case Buffer.TYPE_SHORT: |
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245 | dst.setElem(row, col, band, (short)value);
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246 | if(value > Short.MAX_VALUE) { |
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247 | switch (big2smal) {
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248 | case 1:dst.setElem(row, col, band, Short.MAX_VALUE);break; |
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249 | case 2:dst.setElem(row, col, band, (Short)shortNoData.getValue());break; |
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250 | } |
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251 | } |
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252 | break;
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253 | case Buffer.TYPE_INT: dst.setElem(row, col, band, (int)value);break; |
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254 | case Buffer.TYPE_FLOAT: dst.setElem(row, col, band, (float)value);break; |
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255 | case Buffer.TYPE_DOUBLE: dst.setElem(row, col, band, (double)value);break; |
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256 | } |
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257 | } |
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258 | |||
259 | private void writePixelFromDouble(int row, int col, int band, double value, Buffer dst) { |
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260 | switch (dst.getDataType()) {
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261 | case Buffer.TYPE_BYTE: |
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262 | dst.setElem(row, col, band, (byte)value);
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263 | if(value > Byte.MAX_VALUE) { |
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264 | switch (big2smal) {
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265 | case 1:dst.setElem(row, col, band, Byte.MAX_VALUE);break; |
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266 | case 2:dst.setElem(row, col, band, (Byte)byteNoData.getValue());break; |
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267 | } |
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268 | } |
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269 | break;
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270 | case Buffer.TYPE_SHORT: |
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271 | dst.setElem(row, col, band, (short)value);
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272 | if(value > Short.MAX_VALUE) { |
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273 | switch (big2smal) {
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274 | case 1:dst.setElem(row, col, band, Short.MAX_VALUE);break; |
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275 | case 2:dst.setElem(row, col, band, (Short)shortNoData.getValue());break; |
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276 | } |
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277 | } |
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278 | break;
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279 | case Buffer.TYPE_INT: |
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280 | dst.setElem(row, col, band, (int)value);
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281 | if(value > Integer.MAX_VALUE) { |
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282 | switch (big2smal) {
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283 | case 1:dst.setElem(row, col, band, Integer.MAX_VALUE);break; |
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284 | case 2:dst.setElem(row, col, band, (Integer)intNoData.getValue());break; |
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285 | } |
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286 | } |
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287 | break;
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288 | case Buffer.TYPE_FLOAT: |
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289 | dst.setElem(row, col, band, (float)value);
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290 | if(value > Float.MAX_VALUE) { |
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291 | switch (big2smal) {
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292 | case 1:dst.setElem(row, col, band, Float.MAX_VALUE);break; |
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293 | case 2:dst.setElem(row, col, band, (Float)floatNoData.getValue());break; |
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294 | } |
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295 | } |
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296 | break;
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297 | case Buffer.TYPE_DOUBLE: dst.setElem(row, col, band, (double)value);break; |
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298 | } |
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299 | } |
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300 | |||
301 | public String getTitle() { |
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302 | return Messages.getText("layer_datatype"); |
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303 | } |
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304 | } |