[GRASS-web] r.sample.category errors

[Markus Neteler]

Hi Mitchell,

As far as I can see there is an issue with the column name.

https://grass.osgeo.org/grass78/manuals/sql.html#database-table-name-restrictions

The naming convention for vector maps requires that map names start with a
character, not a number (map name scheme: [A-Za-z][A-Za-z0-9_]*).

I wonder if this also applies to column name? Perhaps try to rename the
column.

Just as a quick European midnight guess,

Markus




Mitchell Meads <mitchell.meads at tamu.edu> schrieb am Do., 21. Jan. 2021,
23:06:

> Good afternoon GRASS GIS developers,
>
> I'm currently trying to run the futures extension through GRASS GIS and
> have been following the wikipages manual on how to complete the exercise
> but I'm having an error with the r.sample.category module and am curious if
> one of you could point me in the right direction.
>
> I've developed all the necessary predictor rasters and the response
> variable raster for my study area but the module is giving me the same
> error, no matter what kind of troubleshooting I attempt. I thought that
> maybe I had to reassign my null and integer values but even after I tried
> that, I couldn't get the tool to run. It gives me this "Error while
> executing: "CREATE TABLE output_filename (cat integer, input_filename
> integer).
>
> I've attached a screenshot of the command output so you can see all the
> messages GRASS GIS gives me but I'm not sure what the issue could be. If
> you could please assist me, that would be greatly appreciated!
>
>
> Cheers,
> Mitchell Meads, PhD Student
> Texas A&M University at Galveston
> Marine & Coastal Management Sciences; CTBS <http://www.tamug.edu/ctbs/>
> Email: mitchell.meads at tamu.edu
>
>
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