[GRASS-user] Question about MODIS band 5 destriping?

[Markus Neteler]

On Wed, Apr 9, 2008 at 6:11 PM, Glynn Clements <glynn at gclements.plus.com> wrote:
>
>  Markus Neteler wrote:
>
>  > I think that the strange i.fft file format is an obstacle here. AFAIK it
>  > is not saved as "normal" raster file which limits the possibilities to
>  > elaborate. Maybe I am wrong, don't quite remember well..
>
>  No, you're quite correct.
>
>  i.ifft ignores the actual input map, reading the data from the fftreal
>  and fftimag files created by i.ifft. So you can't modify the i.fft
>  output with e.g. r.mapcalc than use i.ifft on the result. The only
>  modification which can be performed on the FFT data is masking; i.ifft
>  reads the mask separately and applies it to the data.

Could we change this for GRASS 7? Possibly there was a reason
to implement it as private solution but hopefullyx we can work around
that.

Markus