[tex-live] missing data files

Heiko Oberdiek oberdiek at uni-freiburg.de
Tue Jul 28 07:14:13 CEST 2009


On Tue, Jul 28, 2009 at 03:08:39AM +0200, Heiko Oberdiek wrote:

> On Sun, Jul 26, 2009 at 04:19:41PM -0500, Karl Berry wrote:
> 
> > Hi Herbert,
> > 
> >     /graphics/pstricks/contrib/pst-geo/data/
> >     /graphics/pstricks/contrib/pst-geo/dataII/
> > 
> >     are missing. Should be installed under
> > 
> >     /tex/latex/pst-geo/data
> >     /tex/latex/pst-geo/dataII
> > 
> >     and, if possible, not as a tarzip
> > 
> > I was just copying what is on CTAN.
> > It was because they were .tgz that I put (left) them in doc.  I assume
> > having a .tgz in the runtime is useless.
> > 
> > Anyway, in this particular case, there's a bigger problem.  The
> > uncompressed dataII is some 124 megabytes.  I'm sure there is not enough
> > space for that on the DVD.  (The uncompressed 16MB of data.tgz is bad
> > enough.)
> > 
> > So I'm not sure what to do.
> 
> If the .dat files are meant for PostScript interpreters only, then
> they can be compressed using PostScript filters. I have written
> some scripts:
>   http://www.informatik.uni-freiburg.de/~oberdiek/tmp/pst-geo-compress.zip
> 
> Using LZW the needed space would be 41 MB,
> using Flate method the needed space is 32 MB.
> The latter one has the disadvantage, that the PostScript interpreter
> has to support Language Level 3.

Using prediction (Up + making each line length a multiple of 24)
I could decrease the size for dataII by 7 MB using the Flate method:
dataII/flate: 30115 KB
dataII/flate+prediction: 23220 KB

Yours sincerely 
  Heiko <oberdiek at uni-freiburg.de>


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