Hi Nikos,

On Sun, Apr 19, 2015 at 6:53 PM, Nikos Alexandris
<[email protected]> wrote:
> Dear developers,
>
> this is a question related to performance, I think.  Is it better to
> prefer  r.mapcalc  or  use i.vi  to derive the NDVI inside a python
> script?

since there are many factors influencing it, you may have to benchmark it.
Please report it in case.

Markus
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