[GRASS-user] i.atcorr: Returns empty raster

[Moritz Lennert]

On 16/03/16 17:09, Abhishek Manandhar wrote:
> Hello all,
> I am using i.atcorr module of GRASS 7.0.4 release. I compiled the
> release, as I wanted to add the Sentinel-2 sensor. So far, I was
> successful in compiling the release. However, when I run atcorr, I get
> an empty raster file. I have included the reports from r.info
> <http://r.info>, i.atcorr and the parameters below:
>
> *r.info <http://r.info> output of the image*
>
>     (Wed Mar 16 16:38:39 2016)
>     r.info <http://r.info>
>     map=S2A_OPER_MSI_L1C_TL_EPA__20160315T065417_A000920_T32TPS_B02 at PERMANENT
>       +----------------------------------------------------------------------------+

My first reflex would be to check your computational region settings 
with g.region -p and check whether they correspond to your image. 
Otherwise, run somthing like

g.region 
rast=S2A_OPER_MSI_L1C_TL_EPA__20160315T065417_A000920_T32TPS_B02 at PERMANENT

before i.attcor.

Moritz