[GRASS-dev] what is the meaning of: "Error reading raster data for row 239 of <MASK>"

[Moritz Lennert]

On Sat, 4 Jul 2015 18:50:44 +0100, Glynn Clements
<glynn at gclements.plus.com> wrote:
> Moritz Lennert wrote:
> 
>> The error comes from here:
>> 
>> raster/get_row.c:142:	G_fatal_error(_("Error reading raster data for
row 
>> %d of <%s>"),
>> 
>> which is part of the 'read_data_compressed' function.
>> 
>> read(fcb->data_fd, cmp, readamount) returns 0, while readamount is 18.
>> 
>> I'm not familiar enough with the raster lib to understand what this
>> implies.
> 
> The odd thing is that a MASK raster is read using the same functions
> which are used for reading any other raster.
> 
> Is the MASK raster itself fine? If you rename it to something other
> than MASK, can it be read by r.* commands without error?

I've tried r.info, r.stats, r.report, r.univar, r.neighbors, r.series,
r.mapcalc and all of them work fine on the result of 'g.rename
MASK,mymask'.

Moritz