Re: [hylafax-users] Vertical resolution: HighRes ?

[Dmitry Bely <dbely@mail.ru>]

Dmitry Bely <dbely@mail.ru> writes:

> Giulio Orsero <giulioo@pobox.com> writes:
> 
> > 4.1beta2
> > 
> > man sendfax talks about -m and -l for low (98) and medium (196)
> > resolution.
> > 
> > So, is there an high resolution?
> 
> It does not exist. Only two resolutions (98x196 and 196x196) are supported
> by Hylafax.

Ah, sorry. Of course 204 x 98 and 204 x 196 (i.e. R8 x 7.7 lines/mm and R16 
x 15.4 lines/mm). Everything else seems to be right.

> 
> R8 x 7.7 lines/mm   (normal)    -- mandatory
> R8 x 15.4 lines/mm  (fine)      -- mandatory
> R16 x 15.4 lines/mm (superfine) -- optional
> 200 x 200 pels/inch             -- optional
> 300 x 300 pels/inch             -- optional
> 400 x 400 pels/inch             -- optional
> 
> where
> 
> R8 = 1728 pels/(215 mm +/- 1%) for ISO A4
> R8 = 2048 pels/(255 mm +/- 1%) for ISO B4
> R8 = 2432 pels/(303 mm +/- 1%) for ISO A3
> R16 = 3456 pels/(215 mm +/- 1%) for ISO A4
> R16 = 4096 pels/(255 mm +/- 1%) for ISO B4
> R16 = 4864 pels/(303 mm +/- 1%) for ISO A3
> 
> Where are also some propietary options, e.g. gray-scale mode, but of
> course they are completely undocumented.
 
Hope to hear from you soon,
Dmitry




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