[GRASS5] r.reclass
Markus Neteler
neteler at geog.uni-hannover.de
Thu May 17 07:53:12 EDT 2001
On Wed, May 16, 2001 at 09:54:38PM -0700, Eric G. Miller wrote:
> On Wed, May 16, 2001 at 07:52:56PM -0600, Roger S. Miller wrote:
> > "Eric G. Miller" wrote:
> >
> > > Roger, floating point handling should only go one way (i.e. on the input
> > > side). It makes no sense to do a reclassification in floating point
> > > numbers (i.e. the reclass is *not* continuous data). Just my 2¢.
> >
> > You lost me there, Eric. Can you describe more what you mean or maybe
> > give me an example?
>
> What I mean, is a reclassification is essentially categorical/interval. Can
> you see why anyone would want to do a reclass of a floating point as another
> floating point? Not to mention the weirdness of representing some
> floating point numbers exactly... Anyway, I see these scenarios:
>
> CELL -> CELL
> FCELL -> CELL
> DCELL -> CELL
>
> If you want to allow all the possible mappings, go ahead. I'm just not
> sure it makes any sense...
Roger,
perhaps r.recode provides what you need. It can replace
values in any type direction,
Markus
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