Split stack

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# After clicking {{button|text=Open}}, the raster layer appears on the QGIS canvas.
 
# After clicking {{button|text=Open}}, the raster layer appears on the QGIS canvas.
 
# In the processing toolbar, type {{typed|text=Translate}} into the search field to find the {{button|text=GDAL\OGR --> Translate (Convert format}} tool and open it.
 
# In the processing toolbar, type {{typed|text=Translate}} into the search field to find the {{button|text=GDAL\OGR --> Translate (Convert format}} tool and open it.
# Unfold the '''Advanced parameters''' and change the output data format to unsigned 16bit integer): {{typed|text=-ot UInt16}}
+
** 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.
+
** 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}}  
+
** Type in the textbox '''Additional creation parameters''': {{typed|text=-b 1}}  
 
(Select only first band).
 
(Select only first band).
# Click {{button|text=Run}}.
+
** Click {{button|text=Run}}.
 
[[File:Qgis_split_stack.png|400px]]
 
[[File:Qgis_split_stack.png|400px]]
Repeat the steps for other bands: change the name of the output file and edit the -b option accordingly.
+
** 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: *{{typed|text=Subset_S2A_MSIL2A_20170619T_B02030408.tif}}
+
# Create a multiband file with a spectral subset of 4 bands. Change the output file and the additional creation options:  
*{{typed|text=-b 2 -b 3 -b 4 -b 8}}
+
** '''Converted''' output file:{{typed|text=Subset_S2A_MSIL2A_20170619T_B02030408.tif}}
# Click {{button|text=Run}}.
+
** '''Additional creation parameters:''' {{typed|text=-b 2 -b 3 -b 4 -b 8}}
 +
** Click {{button|text=Run}}.
  
  
 
[[Category:Working with Raster Data]]
 
[[Category:Working with Raster Data]]

Revision as of 08:34, 23 October 2017

  1. Click the Add raster layer QGIS 2.0 addrast.png and select the file C:/OSGeo4W64/geodata/raster/s2/Subset_S2A_MSIL2A_20170619T.tif.
  2. After clicking Open, the raster layer appears on the QGIS canvas.
  3. 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

(Select only first band).

    • Click Run.

Qgis split stack.png

    • 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.
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