[Qgis-user] Landsat RGB band ratio images with Qgis

[Alex Mandel]

On 10/07/2013 09:25 AM, Zoltan Szecsei wrote:
> On 2013/10/07 18:14, BLANDENIER Lucien wrote:
>> Dear all,
>>
>> I would like to know if there a possibility to make some RGB band
>> ratio with Landsat images, like (5/3, 5/1, 7/5).
>>
>> I searched on Internet but found nothing relevant.
>>
>>
>> Regards
>>
>>
>> Lucien
>> _______________________________________________
>> Qgis-user mailing list
>> Qgis-user at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/qgis-user
> Hi,
> Have a look at Orfeo Toolbox - It is bound to have something like that -
> download its "cookbook" and look through that.
> 
> Good luck,
> Zoltan
> 


I don't think it's an all in one step, but what you describe can be done
with Raster Calculators in QGIS, GRASS and probably SAGA or Orfeo (most
of which could be used via the Processing menu too).

Thanks,
Alex