Split stack

Revision as of 11:03, 25 October 2017

Click the Add raster layer and select the file C:/OSGeo4W64/geodata/raster/s2/Subset_S2A_MSIL2A_20170619T.tif.
After clicking Open, the raster layer appears on the QGIS canvas.
Click Processing --> Options. Unfold the General folder. Switch the checkbox on: Keep dialog open after running an algorithm.
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).

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

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.

@@ Line 5: / Line 5: @@
 ** Unfold the '''Advanced parameters''' and change the output data format to unsigned 16bit integer): {{typed|text=-ot UInt16}}
 ** Click the button {{button|text=...}} of '''Converted''' to select path and name of output file.
-** Type in the textbox '''Additional creation parameters''': {{typed|text=-b 1}}(Select only first band).
+** Type in the textbox '''Additional creation parameters''': {{typed|text=-b 1}}
+( This selects only the first band).
 ** Click {{button|text=Run}}.
 [[File:Qgis_split_stack.png|600px]]