[GRASS-user] does i.sentinel.mask only work with output from i.sentinel.preproc?

[Veronica Andreo]

Hi Madi

El jue., 21 feb. 2019 13:20, Margherita Di Leo <diregola at gmail.com>
escribió:

> Hi,
>
> I'm trying to use i.sentinel.mask on a Sentinel2 L2A.
>
> i.sentinel.mask -r input_file=input_cloud_mask.txt cloud_mask=cloud
> shadow_mask=shadow cloud_threshold=25000 shadow_threshold=5000
> mtd_file=MTD_TL.xml
>
> The  input_cloud_mask.txt file:
>
> blue=L2A_T34UGD_20161206T094402_B02_10m
> green=L2A_T34UGD_20161206T094402_B03_10m
> red=L2A_T34UGD_20161206T094402_B04_10m
> swir11=L2A_T34UGD_20161206T094402_B11_20m
> nir=L2A_T34UGD_20161206T094402_B08_10m
> swir12=L2A_T34UGD_20161206T094402_B12_20m
> nir8a=L2A_T34UGD_20161206T094402_B8A_20m
>
> I get the following error:
>
> WARNING: Any rescale factor has been applied
> ERROR: Raster maps must be DCELL o FCELL
>
> I didn't use i.sentinel.preproc because our colleagues already preprocess
> L1C images and provide L2A, but AFAIU here I should start from a L1C image,
> and preprocess it with i.sentinel.preproc otherwise I can't apply
> i.sentinel.mask, is this correct?
>

I haven't tried myself, but the error only says you need to provide double
or float map. How do L2 products come, maybe you just need to rescale if
they come as integer and that's it. Have you tried?

Just guessing

Vero

>
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