[GRASS5] i.fft segemntation fault

[Stephan Holl]

Dear list,

On Tue, 8 Jun 2004 16:21:19 +0200 Otto Dassau <otto.dassau at gmx.de>
wrote:

> Dear List, 
> 
> I tried to use i.fft in GRASS 5.3 (CVS) but only get errors like:
> 
> a) Starting FFT...
> fftw: BUG in executor: invalid plan
> 
> b) Starting FFT...
> Speicherzugriffsfehler (segmentation fault)
> 
> Does this module work at all? Is there a special way to use it?
> I installed fftw RPMs. Is this version broken?

I can second that behavior described above. (... on debian sarge)

But I figured out, that reducing the size of a window will make i.fft
work.
My original regions, where it segfaults:
g.region -p
projection: 99 (Transverse Mercator)
zone:       0
datum:      potsdam
ellipsoid:  bessel
north:      5956732.48
south:      5952917.12
west:       3376777.92
east:       3384823.36
nsres:      0.32
ewres:      0.31988549
rows:       11923
cols:       25151

The region where it seems to work well:
g.region -p
projection: 99 (Transverse Mercator)
zone:       0
datum:      potsdam
ellipsoid:  bessel
north:      5955508.16
south:      5953765.76
west:       3378823.04
east:       3380908.48
nsres:      0.32
ewres:      0.31990183
rows:       5445
cols:       6519


Does anybody run into this problem ?

THanks for any hints

	Stephan Holl
-- 
Stephan Holl

Check headers for GnuPG Key!
http://www.gdf-hannover.de

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