[R] postscript problem

[Prof Brian Ripley]

On Mon, 7 May 2001, Mathieu Ros wrote:

> hello all,
> when trying to produce a plot with the following code
>
> postscript("g6-5000-0705-b.ps")
> par(mfrow=c(4,1))
> for (i in 1:4) {
>   somc<-cumsum(betaC[,i])/c(1:N)
>   plot(somc,ylim=c(min(somc),max(somc)));
> }
> dev.off()
>
> I get a postscript file g6-5000-0705-b.ps, but if I try to open it
> with ghostscript, or to convert it to pdf, I get the following error :
>
> Error: /invalidfont in findfont
> Operand stack:
>    Helvetica   Font   Helvetica   236270   Helvetica   --nostringval--   Courier   NimbusMonL-Regu
> Execution stack:
>    %interp_exit   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--   --nostringval--   --nostringval--    false   1   %stopped_push   1   3   %oparray_pop   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--   1   3   %oparray_pop   2   3   %oparray_pop   --nostringval--   --nAladdin Ghostscript 6.0: Unrecoverable error, exit code 1
> ostringval--   --nostringval--   --nostringval--   --nostringval--   false   1   %stopped_push   5   4   %oparray_pop   --nostringval--    --nostringval--   --nostringval--   1   -1   1   --nostringval--   %for_neg_int_continue   --nostringval--   --nostringval--
> Dictionary stack:
>    --dict:946/983(ro)(G)--   --dict:0/20(G)--   --dict:90/200(L)--   --dict:16/24(G)--   --dict:946/983(ro)(G)--
> Current allocation mode is local
> Last OS error: 2
> Current file position is 1105
> Error: PostScript interpreter failed in main window.
>
>
> Any idea of what's happening ?

No, but then there is too little here to go on: no R version, no
reproducible example ....

Just one idea: gs 6.0 was one of the least reliable recent versions.
Try upgrading to at least 6.01.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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