[GRASS5] r.rescale range question

[Glynn Clements]

Markus Neteler wrote:

> while looking at r.rescale I found
> 
>  r.rescale [-q] input=name [from=min,max] output=name [to=min,max]
>    [title="phrase"]
> 
> [...] 
>       to   The output data range
>            default: 1,255
> 
> This range looks a bit unusual. Shouldn't it be 8bit = 0..255?

I would guess that it's a leftover from when zero was null.

Personally, I would suggest just making the "to" option mandatory. I
can't see why 255 is any more suitable as a default than any other
value.

-- 
Glynn Clements <glynn.clements at virgin.net>