[GRASSLIST:1547] Re: (no subject)

Glynn Clements glynn.clements at virgin.net
Thu Oct 23 06:39:34 EDT 2003


leo.lami at katamail.com wrote:

> I am tryng to set an attribute value of a raster    
> with floating point values.    
> I reclass the raster from a Postgres dataset    
> whit the "d.rast.pg" command but GRASS breaks   
> (not rounding it) the value at the integer   
> value.    
> How can I have the correct value, with the   
> precision required?    

Reclass maps can only have integer values.

One solution would be to generate a labels file from the SQL table
(there isn't a tool to do this, but it wouldn't be hard to do
manually), then use r.mapcalc to generate a new map which uses the
label in place of the category.

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




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