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

Nikos Alexandris nikos.alexandris at felis.uni-freiburg.de
Thu Jun 19 05:53:22 EDT 2008

On Wed, 2008-06-18 at 22:41 +0100, Glynn Clements wrote:
> Glynn Clements wrote:
> > > Thanks!  Multiplying by 1000 with r.mapcalc gives better results.  Any
> > > chance adding floating points (FCELL) to i.cluster?
> > 
> > I had a brief look at the code[1], and cannot see any obvious reason
> > why the values would need to be integers, so I'm assuming that it's
> > just a legacy of the days before FP support was added.
> > 
> > [1] Most of the code is actually in the lib/imagery/c_*.c files. That
> > should either be made part of i.cluster (nothing else uses it), or at
> > least split into a separate library.
> I have committed these changes (splitting the cluster code off to a
> separate library, and changing it to use DCELL instead of CELL) to the
> SVN trunk.
> I would appreciate it if someone who understands i.cluster could test
> the current version.

I've compiled and run it yesterday. How can I tell that the changes are
effective? Should i.cluster NOT work before the changes with FP maps?

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