Hi,
Perhaps using the GDAL Raster Calculator in the Processing plugin?
Nicolas
Le 2015-05-18 09:14, Giacomo Fontanelli-2 [via OSGeo.org] a écrit :
> Hi forum
>
> I need to convert a raster map in linear values in a map with pixel
> value expressed in dB, buti in raster calculator there is no the Log
> function.
>
> Any suggestions?
>
> Thank you
>
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