[GRASS-user] Supervised Classification Tool - g.gui.iclass

[Moritz Lennert]

Am 1. Juni 2018 11:26:22 MESZ schrieb Paul Shapley <p.shapley at gmail.com>:
>Hi Users,
>
>I want to know if there is any good sources of information on the above
>wxlClass. I want to know roughly how large the training areas should be
>to
>prevent the module from taking several hours to process a signature.

I haven't had this experience. Check your region settings. Maybe that explains long run times.


>Also
>in the Training Area Display must i use a composite RGB image to
>digitise a
>training area from or will a single channel be okay?


You can use whatever suits you. Often it is advisable to display different bands and composites and switch between them according to need.

Moritz

>
>Many thanks,