[GRASS-dev] scale and offset in raster maps

[Glynn Clements]

andrea antonello wrote:

> I am pretty sure in the past I saw somewhere in the raster format the
> concept of scale and offset, by which the data are math-transformed
> when read.
> I went throught the developers manual but wasn't able to find it.
> Can someone please tell me if the scale-offset tranform is something
> supported in the format or if I am just remembering wrong.

Raster maps are resampled based upon the current region. This is a
scale-and-offset transformation; there is no rotation or skew.

-- 
Glynn Clements <glynn at gclements.plus.com>