[GRASS-dev] r.bioclim output integer maps

[Paulo van Breugel]

On Wed, Feb 10, 2016 at 10:26 AM, Markus Neteler <neteler at osgeo.org> wrote:

> On Sat, Jan 2, 2016 at 3:14 PM, Paulo van Breugel
> <p.vanbreugel at gmail.com> wrote:
> > Hi Markus
> >
> > I just noticed that r.bioclim rounds the values, resulting in an integer
> > map. I realize that the toutscale parameter can be set to get the
> required
> > precision. Still, would it be an idea to mention more explicitly in the
> help
> > file that the output files are integer and that in order to ensure
> > sufficient precision, one needs to set the toutscale? Perhaps also
> something
> > to mention, only scale factor of a power of 10 make sense (given the
> > rounding of the final results)?
> >
> > A suggestion is (added text in italic) :
>
> I have added your suggestion in slightly modified form in r67798.
>

Great


>
> ...
> > p.s. why are all maps rounded? For me that would be something to leave
> up to
> > the user (or to make integer maps as output optional)?
>
> I guess for the compatibility with WORLDCLIM (have added that, too).
> The other Markus will know better :-)
>

I still think it is really preferable to not round these numbers, but leave
that to the user (perhaps include it as an option though). But in any case,
the text you added makes things more explicit / clear, which is most
important.


>
> Cheers
> markusN
>
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