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1 <tool id="gdal_merge" name="GDAL Merge" version="0.1.0">
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2 <description>mosaics a set of images.</description>
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3 <requirements>
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4 <requirement type="package" version="2.1.0">gdal</requirement>
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5 <requirement type="package" version="3.5.0">geos</requirement>
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6 <requirement type="package" version="9b">jpeg</requirement>
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7 <requirement type="package" version="1.5.90">libjpeg-turbo</requirement>
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8 </requirements>
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9 <command detect_errors="exit_code"><![CDATA[
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10 gdal_merge.py
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11 -q
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12 #for $i, $s in enumerate( $series )
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13 '${s.input}'
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14 #end for
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15
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16 #unless $of==''
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17 -of '$of'
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18 #end unless
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19
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20 #if $settings.advanced=='advanced'
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21
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22 #unless $settings.co=='NAME=VALUE'
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23 -co '$settings.co'
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24 #end unless
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25
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26 #unless $settings.ot=='Datatype'
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27 -ot '$settings.ot'
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28 #end unless
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29
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30 #if $settings.condi_ps.pixelsize=='use_ps'
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31 -ps $settings.condi_ps.pixelsize_x $settings.condi_ps.pixelsize_y
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32 #end if
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33
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34 $settings.tap
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35
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36 #if $settings.condi_ul_lr.ul_lr=='ul_lr'
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37 -ul_lr $settings.condi_ul_lr.ulx $settings.condi_ul_lr.uly $settings.condi_ul_lr.lrx $settings.condi_ul_lr.lry
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38 #end if
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39
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40 $settings.v
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41
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42 $settings.separate
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43
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44 $settings.pct
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45
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46 #unless $settings.n=='nodata_value'
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47 -n '$settings.n'
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48 #end unless
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49
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50 #unless $settings.a_nodata=='output_nodata_value'
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51 -a_nodata '$settings.a_nodata'
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52 #end unless
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53
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54 #unless $settings.init=='value(s)'
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55 -init '$settings.init'
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56 #end unless
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57
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58 #end if
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59
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60 -o '$output'
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61 ]]></command>
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62
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63 <inputs>
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64
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65 <repeat name="series" title="Input file">
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66 <param type="data" name="input" format="data" label="Gdal supported input file" help="http://www.gdal.org/formats_list.html"/>
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67 </repeat>
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68
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69 <param name="of" type="text" label="Output format" value="" help="Select the output format. The default is GeoTIFF (GTiff). Use the short format name. http://www.gdal.org/formats_list.html"/>
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70
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71 <conditional name="settings">
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72 <param name="advanced" type="select" label="Specify advanced parameters">
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73 <option value="simple" selected="true">No, use program defaults.</option>
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74 <option value="advanced">Yes, see full parameter list.</option>
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75 </param>
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76 <when value="simple">
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77 </when>
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78 <when value="advanced">
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79 <param name="co" type="text" label="-co" value="NAME=VALUE"/>
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80
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81 <param name="ot" type="text" label="-ot" value="Datatype" />
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82
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83 <conditional name="condi_ps">
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84 <param label="-ps pixelsize_x pixelsize_y" name="pixelsize" type="boolean" truevalue="use_ps" falsevalue="no_ps" checked="false" />
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85 <when value="use_ps">
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86 <param name="pixelsize_x" type="integer" value="0"/>
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87 <param name="pixelsize_y" type="integer" value="0"/>
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88 </when>
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89 <when value="no_ps">
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90 </when>
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91 </conditional>
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92
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93 <param name="tap" label="-tap" type="boolean" truevalue="-tap" falsevalue="" checked="false" />
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94
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95 <conditional name="condi_ul_lr">
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96 <param name="ul_lr" type="select" label="-ul_lr ulx uly lrx lry" >
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97 <option value="no_ul_lr" selected="true">Don't use the -ul_lr option</option>
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98 <option value="ul_lr">Use the -ul_lr option</option>
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99 </param>
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100 <when value="no_ul_lr">
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101 </when>
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102 <when value="ul_lr">
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103 <param name="ulx" type="integer" label="ulx" value="0"/>
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104 <param name="uly" type="integer" label="uly" value="0"/>
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105 <param name="lrx" type="integer" label="lrx" value="0"/>
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106 <param name="lry" type="integer" label="lry" value="0"/>
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107 </when>
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108 </conditional>
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109
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110 <param name="v" type="boolean" truevalue="-v" falsevalue="" checked="false" label="-v" />
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111
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112 <param name="separate" type="boolean" truevalue="-separate" falsevalue="" checked="false" label="-separate" />
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113
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114 <param name="pct" type="boolean" truevalue="-pct" falsevalue="" checked="false" label="-pct" />
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115
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116 <param name="n" type="text" label="-n nodata_value" value="nodata_value" />
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117
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118 <param name="a_nodata" type="text" label="-a_nodata" value="output_nodata_value" />
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119
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120 <param name="init" type="text" label="-init" value="value(s)" />
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121
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122
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123 </when>
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124 </conditional>
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125
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126 </inputs>
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127
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128 <outputs>
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129 <data name="output" auto_format="true"/> <!--label="${input.name}.${of}-->
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130 </outputs>
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131
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132 <tests>
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133
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134 <test>
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135 <param name="input" value="west.dem"/>
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136 <param name="input" value="east.dem"/>
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137 <param name="advanced" value="simple"/>
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138 <output name="output" file="mergeddem.tif"/>
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139 </test>
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140
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141 </tests>
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142
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143 <help><![CDATA[
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144 ==========================
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145 Gdal_merge
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146 ==========================
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147 **What it does**
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148
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149 This utility will automatically mosaic a set of images. All the images must be in the same coordinate system and have a matching number of bands, but they may be overlapping, and at different resolutions. In areas of overlap, the last image will be copied over earlier ones.
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150
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151 |
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152
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153 **How to use it**
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154
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155 Select as much raster files as you want from history to make the mosaic.
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156
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157 Specifiy output format using short name (http://www.gdal.org/formats_list.html).
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158
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159 |
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160
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161 **Other options, advanced usage**
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162
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163 *-co NAME=VALUE*
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164
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165 Creation option for output file. Multiple options can be specified. See format specific documentation for legal creation options for each format
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166
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167 |
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168
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169 *-ot datatype*
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170
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171 Force the output image bands to have a specific type. Use type names (i.e. Byte, Int16,...)
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172
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173 |
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174
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175 *-ps pixelsize_x pixelsize_y*
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176
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177 Pixel size to be used for the output file. If not specified the resolution of the first input file will be used.
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178
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179 |
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180
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181 *-tap*
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182
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183 (target aligned pixels) align the coordinates of the extent of the output file to the values of the -tr, such that the aligned extent includes the minimum extent.
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184
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185 |
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186
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187 *-ul_lr ulx uly lrx lry*
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188
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189 The extents of the output file. If not specified the aggregate extents of all input files will be used.
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190
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191 |
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192
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193 *-v*
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194
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195 Generate verbose output of mosaicing operations as they are done.
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196
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197 |
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198
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199 *-separate*
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200
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201 Place each input file into a separate band.
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202
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203 |
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204
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205 *-pct*
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206
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207 Grab a pseudo-color table from the first input image, and use it for the output. Merging pseudo-colored images this way assumes that all input files use the same color table.
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208
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209 |
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210
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211 *-n nodata_value*
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212
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213 Ignore pixels from files being merged in with this pixel value.
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214
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215 |
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216
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217 *-a_nodata output_nodata_value*
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218
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219 Assign a specified nodata value to output bands.
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220
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221 |
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222
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223 *-init "value(s)"*
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224
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225 Pre-initialize the output image bands with these values. However, it is not marked as the nodata value in the output file. If only one value is given, the same value is used in all the bands.
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226
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227 |
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228
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229 **Sources**
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230
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231 http://www.gdal.org
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232
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233 http://www.gdal.org/gdal_merge.html
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234
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235 Raster Processing Tutorial : https://trac.osgeo.org/gdal/wiki/UserDocs/RasterProcTutorial
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236 ]]></help>
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237 </tool>
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