Split stack

Using OTB SplitImage

1. Click the Open Data Source Manager and then Add raster layer and select the file /geodata/raster/s2/Subset_S2A_MSIL2A_20170619T_MUL.tif.
2. In the processing toolbar, type split image into the search field to find the OTB --> Image Manipulation --> SplitImage tool and open it.

[[File:qgis-otb-splitimage.png]|200px]

Using GDAL Translate

1. Click the Open Data Source Manager and then Add raster layer and select the file /geodata/raster/s2/Subset_S2A_MSIL2A_20170619T_MUL.tif.
2. In the processing toolbar, type Translate into the search field to find the GDAL\OGR --> Translate (Convert format) tool and open it.

• • Unfold the Advanced parameters and change the output data format to unsigned 16bit integer): -ot UInt16
  • Click the button ... of Converted to select path and name of output file.
  • Type in the textbox Additional creation parameters: -b 1

( This selects only the first band).

• • Click Run.

• • Repeat the steps for other bands: change the name of the output file and edit the -b option accordingly.

1. Create a multiband file with a spectral subset of 4 bands. Change the output file and the additional creation options:

• • Converted output file:Subset_S2A_MSIL2A_20170619T_B02030408.tif
  • Additional creation parameters: -b 2 -b 3 -b 4 -b 8
  • Click Run.