[GRASS-dev] Re: [GRASS-user] low radiance values after i.atcor and i.topo.corr

[Markus Neteler]

On Wed, Jun 25, 2008 at 5:42 AM, Glynn Clements
<glynn at gclements.plus.com> wrote:
[useful info skipped]
> So, it may be necessary to pre-scale the matrix elements by some
> factor, then scale the inverse (and determinant) to compensate.

Yes, maybe taking the data range into account, an a priori scale factor
can be determined for the matrix elements.

I'll try to generate some "bad" integer maps but I am not really
sure on what it depends. One try could be to use too tiny
training areas.

Markus