Re: [Texmacs-dev] graphviz plugin broken?

[Joris van der Hoeven]

On Wed, 31 Dec 2003, Gregory Wright wrote:
> I recently built TeXmacs-1.0.2.10 and noticed that the simplest tests
> of the graphviz plugin are failing. I am using graphviz-1.10. Both were
> compiled from scratch on Mac OS X 10.3.2 (Panther). (I maintain the
> ports of TeXmacs and graphviz for the darwinports project.)

I could not reproduce this behaviour with TeXmacs-1.0.2.11 and Graphviz-1.9.
Apparently, the postscript images don't display correctly. Do you manage
to include the generated postscript files as images? What about other
image files? Could this be due to MacOsX?

> If I try:
>
> Graphviz 1] graph test { a }
>
> I get no output on the TeXmacs canvas but I get the error message in the
> terminal window:
>
> TeXmacs] Launching 'tm_graphviz --texmacs'
> TeXmacs] Loading ectt10 at 600 dpi
> TeXmacs] Loading cmr10 at 600 dpi
> TeXmacs] Running ghostscript ramdisc://image.ps
> Error: /syntaxerror in -file-
> Operand stack:
>     --nostringval--   setupLatin1
> Execution stack:
>     %interp_exit   .runexec2   --nostringval--   --nostringval--
> --nostringval--   2   %stopped_push   --nostringval--   --nostringval--
>    --nostringval--   false   1   %stopped_push   1   3   %oparray_pop
> 1   3   %oparray_pop   1   3   %oparray_pop   1   3   %oparray_pop
> .runexec2   --nostringval--   --nostringval--   --nostringval--   2
> %stopped_push
> Dictionary stack:
>     --dict:1106/1123(ro)(G)--   --dict:0/20(G)--   --dict:70/200(L)--
> --dict:0/200(L)--
> Current allocation mode is local
> AFPL Ghostscript 8.11: Unrecoverable error, exit code 1
>
>
> If I run gs on the file dotty.tmp.dot I get no errors (using the
> command in the tm_gs script).
>
> If I further try to make another graph,
>
>
> Graphviz 2] graph foo { b }
>
>     *** malloc[24682]: error for object 0x1804800: Incorrect checksum
> for freed
>     object - object was probably modified after being freed; break at
> szone_error
>
>
> This appears to be a more significant error. I would appreciate some
> help on
> where to start tracking it down.
>
> Best Wishes and Happy New Year,
> Greg Wright
>
>
>
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