Spectral indices
From AWF-Wiki
Vegetation index using the Raster Calculator
- Click the Add raster layer and select a multiband Sentinel-2 satellite image
- Check the rank and spectral range of bands in the multiband file (e.g. Render type: multiband file http://wiki.awf.forst.uni-goettingen.de/wiki/index.php/Changing_Raster_Layer_Style#Render_type:_multiband_file).
- 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.