Split stack
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[[File:qgis-otb-splitimage.png|400px]] | [[File:qgis-otb-splitimage.png|400px]] | ||
| − | The ''Output pixel type'' is {{typed|text= | + | The ''Output pixel type'' is {{typed|text=uint16}}. |
Choose an output file name: {{button|text=Save to file}}. {{button|text=Run in background}}. | Choose an output file name: {{button|text=Save to file}}. {{button|text=Run in background}}. | ||
| − | + | Ignore the error meesage: the resulting single band files need to be loaded manually into the map canvas. | |
=Using GDAL Translate= | =Using GDAL Translate= | ||
Revision as of 12:49, 23 October 2019
Using OTB SplitImage
- Click the Open Data Source Manager
and then Add raster layer 
and select the file /geodata/raster/s2/Subset_S2A_MSIL2A_20170619T_MUL.tif.
- 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 uint16. Choose an output file name: Save to file. Run in background. Ignore the error meesage: the resulting single band files need to be loaded manually into the map canvas.
Using GDAL Translate
- 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 Enter to execute the command in OSGeo4W Shell.
- Repeat the steps for other bands: change the output file name and edit the -b option accordingly.
- Create a multiband file with a spectral subset of 4 bands. Change the output file name 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 Enter to execute the command in OSGeo4W Shell.
