Cell count in category value

[Javier Ferrer Polo]

----------
> De: Justin Hickey <jhickey at impact1.hpcc.nectec.or.th>
> A: grass at cecer.army.mil
> Asunto: Re: Cell count in category value
> Fecha: lunes 16 de febrero de 1998 12:25
> 
> Hi Vangelis
> 
> On Feb 16,  1:08am, Filippidis Vangelis wrote:
> > Subject: Cell count in category value
> >
> >   I used the r.slope.aspect command to get a slope map
> > and i get with r.report the cell count for each category of
> > slope.
> > However, i want to use the cell count with r.mapcalc.
> > Is there a way to assign the cell count for each category
> > of slope, in the category value of the slope map (not by hand!!!)
> 
> I'm not sure if a grass command exists to do what you want, but one way
to do
> this is to save the results of r.report as a file. Then write a script to
go
> through the file and create a "rules" file mapping the slope values to
the
> appropriate cell count for the r.reclass command. Then run r.reclass with
the
> new "rules" file and you should have a raster map with the cell count
values
> for each category. You may have to run r.resample after the r.reclass
command.
> See the man pages of r.reclass for acceptable syntax for the "rules"
file.
> 
> Hope this helps.
> 
> -- 
> Sincerely,
> 
> Jazzman (a.k.a. Justin Hickey)  e-mail: jhickey at hpcc.nectec.or.th
> High Performance Computing Center
> National Electronics and Computer Technology Center (NECTEC)
> Bangkok, Thailand
> ==================================================================
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> of us who do.  ---Anonymous
> 
> Jazz and Trek Rule!!!
> ==================================================================

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