[GRASS-dev] v.to.db azimuth from LL

Dylan Beaudette dylan.beaudette at gmail.com
Mon Apr 18 12:31:07 EDT 2011


I agree with Hamish on this as well. Please add the suggested
warnings. Perhaps we can provide and link, and/or condensed summary of
the following wikipedia article:

http://en.wikipedia.org/wiki/How_Long_Is_the_Coast_of_Britain%3F_Statistical_Self-Similarity_and_Fractional_Dimension

Thanks,
Dylan

On Tue, Apr 12, 2011 at 11:07 PM, Hamish <hamish_b at yahoo.com> wrote:
> Hamish wrote:
>> is there any reason not to exit with a fatal error if the user tries to
>> run v.to.db option=azimuth from a lat/lon location? (the result is
>> useless)
>
>
> Also, in an ongoing effort to stop people shooting themselves in the foot,
> I would suggest to add a warning to v.to.db option=perimeter that the
> result is probably not what the user is after. At minimum I suggest a
> paragraph in the man page explaining the fractal problem, which could
> also be a good introduction to the op=fractal dimension and compact options,
> but I don't think that is enough, as many don't bother to RTFM and broken
> analysis reflects badly on GRASS as well as the end-user.
>
> if there are objections to using G_warning() as well, please speak up.
>
>
> Hamish
>
> _______________________________________________
> grass-dev mailing list
> grass-dev at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/grass-dev
>


More information about the grass-dev mailing list