From: Peter Rolf <indiego@gmx.net>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Bug with overprinting in Mark II/IV?
Date: Sun, 13 Dec 2009 16:20:23 +0100 [thread overview]
Message-ID: <4B250637.3090704@gmx.net> (raw)
In-Reply-To: <878wd8dwt8.fsf@sopos.org>
Am 12.12.2009 16:41, schrieb Oliver Heins:
> Hi Peter,
>
> Peter Rolf<indiego@gmx.net> writes:
>
>
>> I get the same 'kind of knockedout' text as in the other example...
>> but the black text is set as /DeviceGray and not /DeviceCMYK
>> (k-component). You can make this visible by using
>> 'Vorschau: Separiert' with the option 'Einblenden: Nicht-DeviceCMYK'.
>>
>> I think this is just a limitation of the previewer. You can define
>> your own cmyk black with \definecolor[myblack][k=1]. I bet that the
>> knockedout effect will vanish with cmyk black (untested).
>>
> You're right. With k=1, the 'kind of knockedout' vanishes. Thank you
> very much, Peter!
>
>
You are welcome!
> So is it advisable to change all black to cmyk black or can I safely
> rely on the DeviceGray black?
>
>
I donno. Best ask your printing house what they prefer in this case.
Just an additional comment about prepress. A very good and gratis pdf
book (only in german!) about prepress basics can be found here:
http://www.cleverprinting.de/ratgeber2009.html
Simply press
"Jetzt als kostenloses PDF herunterladen"
at the end of the page to get a copy. If you like it, buy it (as it's
also very cheap for technical literature).
Best wishes, Peter
>>> Can you test the following? My Acrobat is on a machine without net, and
>>> my usb stick broke within the experiments.
>>>
>>>
>> prepress mess + bad luck => *have a break and enjoy your weekend* :)
>>
> Well, due to your kind help, I'm able to do so now :-)
>
> Thanks again,
> olli
>
>
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next prev parent reply other threads:[~2009-12-13 15:20 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-11 12:53 Oliver Heins
2009-12-11 13:40 ` Peter Rolf
2009-12-11 13:53 ` Taco Hoekwater
2009-12-11 14:41 ` Peter Rolf
2009-12-11 16:32 ` Oliver Heins
2009-12-11 17:35 ` Peter Rolf
2009-12-11 17:57 ` Oliver Heins
2009-12-11 18:18 ` luigi scarso
2009-12-11 18:23 ` Peter Rolf
2009-12-12 15:41 ` Oliver Heins
2009-12-12 15:46 ` Martin Schröder
2009-12-12 16:17 ` Hans Hagen
2009-12-12 17:43 ` Oliver Heins
2009-12-13 15:20 ` Peter Rolf [this message]
2009-12-11 14:07 ` luigi scarso
2009-12-11 16:37 ` Oliver Heins
2009-12-11 16:42 ` luigi scarso
2009-12-11 17:00 ` Oliver Heins
2009-12-11 17:19 ` Hans Hagen
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