[GRASS-dev] i.points, i.vpoints now use G_parser()

Hamish hamish_nospam at yahoo.com
Thu Jun 29 01:27:41 EDT 2006


Michael Barton wrote:

> > Maybe you could determine the size of the source and destination
> > regions, and convert the absolute errors to a proportion of the
> > region's size. That would allow you to sensibly compare forward and
> > backward errors.
> 
> If I normalized them to percents (I'd better use a percent sign so as
> not to confuse anyone), would this make sense to people? Or will
> people prefer to see the distance in actual map units?

If the target units are known (meters) it is very useful to know what
the ground error is. more important than percentage I think.


Hamish




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