[GRASS-user] Re: Values from multiple raster -

Gabriele N. gis.gn at libero.it
Wed Nov 24 16:36:22 EST 2010



Glynn Clements wrote:
> 
> The same result can be achieved with one command:
> 
> 	r.mapcalc "output = A * 10000.0 + B"
> 
> The multiply will cause A to be converted to double to match the other
> argument (floating-point constants are double unless an explicit "f"
> suffix is given), the multiply will yield a double result, and the
> addition will convert B to double to match this.
> 
perfect, I tried it and it actually works:) This speeds up operations.
Now I have to combine new maps and then to reclassify the maps, I will use
r.recode ... we'll see what happens:)

Thank you Glynn

Gabriele
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