Re: output field

Thanks Dr. Johnson!
I tried to run the code but it says ERROR: Unbound variable:
get-filename-prefix

And I can't find this function "output-field-to-file" in the manual...

Can I (set! filename-prefix "emag.")?

Thanks,
Mindy

On Thu, Apr 17, 2008 at 9:22 PM, Steven G. Johnson <[email protected]>
wrote:

> On Apr 17, 2008, at 8:54 PM, Mindy Lee wrote:
> > Dear All,
> >
> > How can MPB output |E| ?
>
> You have to use the lower-level field manipulation functions like
> field-map! that allow you to compute arbitrary functions of the
> fields, and which are (mostly) documented in the manual.
>
> In particular, if you define the functions below, then you can just
> do: (run output-emag)
>
> Regards,
> Steven G. Johnson
>
> (define (get-emag which-band)
>   (get-efield which-band)
>   (let ((emag (rscalar-field-make cur-field)))
>     (field-map! emag
>                 (lambda (f g) (sqrt (real-part (vector3-cdot f g))))
>                 cur-field cur-field)
>     (field-load emag)))
> (define (output-emag which-band)
>   (get-emag which-band)
>   (output-field-to-file -1 (string-append (get-filename-prefix)
> "emag.")))
>
>
>
>
> _______________________________________________
> mpb-discuss mailing list
> [email protected]
> http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/mpb-discuss
>

_______________________________________________
mpb-discuss mailing list
[email protected]
http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/mpb-discuss