[tex-live] missing data files
oberdiek at uni-freiburg.de
Thu Jul 30 05:21:02 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:
I have updated them as Perl scripts.
Flate method is used with prediction (prediction can be turned off).
Unhappily Ghostscript has a bug regarding prediction, it is fixed in
version 8.56 (2007-03-14):
| 2006-12-11T17:30:53.980862Z L. Peter Deutsch
| Fixes bug: the PNG predictor filters produced incorrect data for the last
| pixel of each row. (The encoder and decoder had matching bugs, so
| encode+decode produced the correct result!) Fixes a diff in PS3 CET
Uncompressed: 134 MB
Flate: 32 MB
Flate+Prediction: 24 MB
Heiko <oberdiek at uni-freiburg.de>
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