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 processing toolbox, type split image into the search field to find the OTB --> Image Manipulation --> SplitImage tool and open it.

The Output pixel type is float. (Note, the option int does currently not work!). Choose an output file name: Save to file. Run in background. The resulting single band files need to be loaded manually into the map canvas.

Using GDAL Translate

1. In the processing toolbar, type Translate into the search field to find the GDAL\OGR --> Translate (Convert format) tool and open it.

• • Change the output data format to unsigned 16bit integer): -ot UInt16
  • Click the button ... of Converted to select path and name of output file.

• • Open the the OSGEO4W Shell. Start --> All Programs --> OSGeo4W --> OSGeo4W Shell
  • Copy the content of the GDL/OGR console call and paste it into the OSGeo4W Shell.
  • Edit the command in OSGeo4W Shell by adding the option -b 1 to output only the first band.
  • Press {{{text}}} to execute the command OSGeo4W Shell.

• • 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 edit the command in OSGeo4W Shell additional creation options:

• • Converted output file:Subset_S2A_MSIL2A_20170619T_B02-

-B03-B04-B08.tif

• • Additional creation parameters: -b 2 -b 3 -b 4 -b 8
  • Press {{{text}}} to execute the command OSGeo4W Shell.