Yes, the solution is to do it step by step with raster calculator and to create a new tiff raster.
Thank you for yours answers. regards ________________________________________ De : [email protected] [[email protected]] de la part de Alex Mandel [[email protected]] Envoyé : mercredi 9 octobre 2013 19:06 À : Zoltan Szecsei; [email protected] Objet : Re: [Qgis-user] Landsat RGB band ratio images with Qgis 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 >> [email protected] >> 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 _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
