[GRASS-dev] Management of signature files

[Veronica Andreo]

Hi Maris,

El mar, 27 abr 2021 a las 8:44, Maris Nartiss (<maris.gis at gmail.com>)
escribió:

> Hello list,
> I have been working on moving automatic classification signature files
> (ones used by i.maxlik and i.smap) out of imagery groups. Existing
> approach was not flexible enough as there was no official way of how
> to reuse signatures from one imagery group in another group (train on
> one, classify many).
> At the moment I have managed to implement all internal bits of fully
> reusable signatures – at the time of creation, band references are
> written to the signature file; before signature use, band references
> are used to reorder signatures to match band order in the new group
> (or bail out if bands do not match).
> https://github.com/OSGeo/grass/pull/1501
>
> There are only two bits left before this work is complete:
> 1) remove current special signature file handling in GUI;
> 2) signature management.
>

There are 3 add-ons that Luca wrote at OSGeo code sprint in Bonn 2018:
i.signature.copy, i.signature.list, i.signature.remove.
Would they be of help for any of the options proposed?

In any case, thanks for your impressive work!

Cheers,
Vero
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