Control order by which bands are stacked

[qgib]

Author Name: andre mano (andre mano)
Original Redmine Issue: 17127
Affected QGIS version: 2.18.12
Redmine category:processing/gdal

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When using gdal-merge from the Processing toolbox, it is not possible to control the order by which the bands are to be stacked (screenshot attached). Example below:

For merging 7 Landsat bands into a single image this command is generated:

gdal_merge.bat -a_nodata -9999 -ot Float32 -separate -o "[temporary file]" -of GTiff
~/L5197024_02420100627_B10.TIF
~/L5197024_02420100627_B40.TIF (will become Band 2 when it should be band 4)
~/L5197024_02420100627_B50.TIF (and so on...)
~/L5197024_02420100627_B60.TIF
~/L5197024_02420100627_B30.TIF
~/L5197024_02420100627_B20.TIF
~/L5197024_02420100627_B70.TIF

User should have the possibility to control order so that the command would look like this:

gdal_merge.bat -a_nodata -9999 -ot Float32 -separate -o "[temporary file]" -of GTiff
~/L5197024_02420100627_B10.TIF
~/L5197024_02420100627_B20.TIF
~/L5197024_02420100627_B30.TIF
~/L5197024_02420100627_B40.TIF
~/L5197024_02420100627_B50.TIF
~/L5197024_02420100627_B60.TIF
~/L5197024_02420100627_B70.TIF

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• image.png (andre mano)

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Related issue(s): #25225 (relates)
Redmine related issue(s): 17327

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[qgib]

Author Name: Giovanni Manghi (@gioman)

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• category_id was changed from GDAL Tools to Processing/GDAL

[qgib]

Author Name: Giovanni Manghi (@gioman)

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see also #25225

[qgib]

Author Name: Jürgen Fischer (@jef-n)

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• relates was configured as Sorting of input layer Layers in Processing "multiple inputs" widgets #25225

[qgib]

Author Name: Giovanni Manghi (@gioman)

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Closing in favor of #25225 because this is more general.

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• resolution was changed from to duplicate
• status_id was changed from Open to Closed