On Tue, Nov 18, 2008 at 2:41 AM, <[EMAIL PROTECTED]> wrote:
> Author: glynn
> Date: 2008-11-17 20:41:17 -0500 (Mon, 17 Nov 2008)
> New Revision: 34353
>
> Removed:
> grass/trunk/imagery/i.fft/fft_colors.c
> grass/trunk/imagery/i.fft/globals.h
> grass/trunk/imagery/i.fft/local_proto.h
> grass/trunk/imagery/i.fft/orig_wind.c
> grass/trunk/imagery/i.fft/save_fft.c
> grass/trunk/imagery/i.ifft/globals.h
> grass/trunk/imagery/i.ifft/local_proto.h
> grass/trunk/imagery/i.ifft/orig_wind.c
> Modified:
> grass/trunk/imagery/i.fft/Makefile
> grass/trunk/imagery/i.fft/i.fft.html
> grass/trunk/imagery/i.fft/main.c
> grass/trunk/imagery/i.ifft/Makefile
> grass/trunk/imagery/i.ifft/i.ifft.html
> grass/trunk/imagery/i.ifft/main.c
> Log:
> Rewrite i.fft, i.ifft
> Output maps are FP
> Don't use cell_misc/<map>/fft{real,imag} files, use the output maps
> Don't rescale to powers of two (not needed with FFTW)
> Use fft2() with FFTW-style interleaved array, not fft() with separate
> real/imaginary arrays
> Miscellaneous clean-up
backport this?
Markus
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