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

[ale rimoldi]

hi gunter

> 
> -------- 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.

i guess that your image does not have enough resolution to be used for
print...

you probably need to use a bigger image...

i don't think that there is any problem with the conversion or scribus.

ciao
a.l.e

ciao
a.l.e