[scribus] 600 dpi

[John Culleton]

On Tuesday, June 07, 2011 10:34:46 am John Jason Jordan wrote:
> On Tue, 07 Jun 2011 09:24:58 -0400
> 
> Gregory Pittman <gregp_ky at yahoo.com> dijo:
> >On 06/07/2011 09:03 AM, Tom Connolly wrote:
> >> Someone recently posted he has his tiffs at 600 dpi. AFAIK, no
> >> printer needs--indeed can use--more than 300 dpi. At 600 all you're
> >> doing is making a bigger file, with no benefits of sharper images.
> >
> >I think this  is a bit of a distortion. For _most_ purposes, 300dpi
> >should be adequate.
> >
> >For high-resolution printing commercially, 600 or even greater may be
> >desired. I'm not sure that once you get to 1200+ that it gets so easy
> >to see further improvement in the visible quality, unless you're
> >talking about printing to a very large format.
> 
> I'm in a rush at the moment, but perhaps this would be a good time for
> someone to explain the difference and relationships (formulas) for DPI
> vs. linescreen. Also problems of dot gain with certain types of papers
> on press. How much DPI you need is a complex issue.
> 
> _______________________________________________
> scribus mailing list
> scribus at lists.scribus.net



I build images in Gimp at either 300 dpi or 600 dpi. I save them as png which 
flattens them. Then I bring them into a graphics frame. Then I fit them to the 
graphic frame. Usually this restores the high density of the image.

DPI and LPI have a complex relationship because they measure different things.  
LPI is a printing term associated with half tone images. Per Masterson's "Book 
Design and Production" "...the rule of thumb is to make the dpi  resolution 
about twice the lines per inch value used in printing..." 

Masterson's book is inidispensable, even though he uses InDesign and not 
Scribus.
-- 
John Culleton
Wexford Press
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.scribus.net/pipermail/scribus/attachments/20110607/1d56f17d/attachment.html>