Re: [libreoffice-users] exported PDF file size

2011/5/2 Simon Cropper <scropper@botanicusaustralia.com.au>:
> On 03/05/11 11:14, Cliff Scott wrote:
> > ** Reply to message from "Daniel A. Rodriguez"
> > <daniel.armando.rodriguez@gmail.com>  on Mon, 2 May 2011 15:05:40 -0300
> >
> > > > I have been watching this thread and have to ask the obvious question.
> > > > Are
> > > > the pictures sized to the desired size before inserting into the
> > > > document? If
> > > > not try that. I have found that can make a huge difference. I know many
> > > > people keep pictures in very high resolutions which is fine, but if you
> > > > just
> > > > put a large picture into the document and resize it there it still takes
> > > > up
> > > > the full  storage size of the original so thus makes very large
> > > > documents
> > > > which translate into large PDFs.
> > >
> > > Hi
> > >
> > > almost all of them are screenshots, but not full screen images just a
> > > menu or a bar for instance
> >
> > Likely they are not too large, but have you looked at their actual sizes
> > to
> > verify their size?
>
> Hi All,
>
> I have also been watching this thread with interest.
>
> For comparison, after much testing and manipulation I have been able to get
> quite respectable PDF files which illustrate ~40 high resulotion screen
> images.
>
> The PNG files, which show various tasks, range from 5KB upto 189.6 KB.
>
> Together they total 2.9 KB.
>
> These images were created using Shutter using default settings.
>
> Merged with a  relatively small HTML file of 43KB, they merge to a 2MB PDF
> (note the PNG are converted to JPG).
>
> This process is done outside LO but illustrates that image rich files can be
> created that can be presented in relatively small PDF.
>
> Another example, using LO...
>
> 6.8 MB ODT file with detailed high resolution maps could be compressed to a
> 2.6MB PDF file. I could of made the resulting PDF smaller by sacrificing map
> quality but decided that this was a good balance between size and image
> clarity.
>
> On a side note - experimentation has shown that tables can cause file bloat
> more than some image types. Experiment with empty files to see what gets the
> best result.
>
> When creating technical reports I always insert an image twice as large as
> the size they will be presented in the report and allow 60% compression when
> creating the PDF. This seems to be a good combination.

Nice tips Simon

thanks


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