[GRASS-dev] Use of r.mapcalc vs i.vi inside a script

[Markus Neteler]

Hi Nikos,

On Sun, Apr 19, 2015 at 6:53 PM, Nikos Alexandris
<nik at nikosalexandris.net> 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