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

[Giulio Orsero <giulioo@pobox.com>]

>> 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. T.30 defines the following possible options:

>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


In the above examples, "fine" is ISO A4 @ 15.4 lines/mm, but the sendfax
man page says

==
  -m          Transmit the facsimile at a  vertical  resolu-
                   tion  of  196  lines/inch;  otherwise known as
                   medium resolution or fine mode.
===

That is, the man page says that "fine mode" is 196lpi (7.7 lines/mm).
So, it seems HylaFAX does not do one of the mandatory T.30 (15.4
lines/mm for ISO A4)?

Thanks.

-- 
giulioo@pobox.com


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