Dear Anna,
thank you for the reply, indeed once I added the column parameter the module
completed successfully. The manual includes the following on this parameter:
column=name
Name of attribute column with values to interpolate
If not given and input is 2D vector map then category values are used. If input
is 3D vector
map then z-coordinates are used.
If I read that correctly, the module should pick up the "value" column by
defualt. This particular layer was created by GRASS itself and includes a
"value" column:
> v.info -c soil_map_rcl_no_water
Displaying column types/names for database connection of layer <1>:
INTEGER|cat
INTEGER|value
CHARACTER|label
It is now clear this is not the case, `v.surf.idw` is seeking another column by
default, one that is not created by vector creating modules. Perhaps this could
be made more explicit in the manual page.
Thank you.
--
Luís
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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Friday, April 16, 2021 3:33 PM, Anna Petrášová <[email protected]> wrote:
> Hi Luis,
>
> could be because you haven't provided the attribute column. It should
> probably fail with a message in this case...
>
> Anna
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