[scribus] 7. Re: Rendering issue in Scribus 1.3.9 (a.l.e) ( scribus Digest, Vol 53, Issue 17 )

Gunter Woysch Gunter.Woysch at gmx.de
Mon Aug 20 09:49:52 UTC 2012

-------- Original-Nachricht --------
> Message: 7
> Date: Mon, 20 Aug 2012 09:55:02 +0200
> From: "a.l.e" <ale.comp_06 at xox.ch>
> To: Scribus User Mailing List <scribus at lists.scribus.net>
> Subject: Re: [scribus] Rendering issue in Scribus 1.3.9
> Message-ID: <5031ED56.1030403 at xox.ch>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> hi gunter,
> > Rendering issue in Scribus 1.3.9
> >
> > Hello all,
> >
> > I have a rendering issue with Scribus 1.3.9.
> >
> > I added a trapezoid with the line drawing tool of a graphics editor to a
> .png file.
> >
> > The trapezoid looks good in this .png file and this graphics editor and
> when I open it in a web browser.
> >
> > After importing the .png file to Scribus, the trapezoid is shown as a
> sequence of line sections with interrupting black background.
> >
> > This "broken" presentation is even exported to .pdf.
> >
> > Is this a known bug?
> >
> > Is there a simple workaround, which I could use without having to change
> my Scribus installation?
> >
> basically: png does not know anything about lines... there are only dots 
> which are in different colors.
> i've tried to load the png you attached in my copy of scribus and did 
> not see any difference from what i'm seeing in the browser.
> the pdf you have attached shows a very low resolution version of your 
> image. it's a bad image. probably resampled to .jpg.
> so, all in all, to fix your problem:
> - enable the fine preview for this image in scribus (it's in the context 
> menu)
> - don't compress the image to .jpg when exporting to pdf
> - create an image with enough resolution for the size you want to print 
> (150 dpi should be fine)
> have a nice day
> a.l.e

Hi a.l.e.,

thank you very much for your answer!

The PDF file is in a very low resolution, as otherwise it were not accepted by the list server due to its length ( more than 250 kByte ).

Inspite of it the PDF file shows correctly the rendering issue, which I have at the moment with embedding the given .png file.

This rendering issue is independent of the quality of the preview parameter low / normal / high resolution.

I see the broken lines in the trapezoid of this .png picture in the very moment, when I place it inside Scribus - and this artefact is exported to the PDF file too.

If I convert the .png file to a .tif or .jpg file, my rendering issue is not changed at all.

I could have an issue with my GraficConverter v6.7 and I will play with it to find a solution.

As I compiled Scribus 1.3.9 myself ( with your help and the patient help of others in the list ) under an operating system no longer supported, I do not want to update my Scribus installation, if I can avoid this step.



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