Re: gd.trm and multiple plots with png

[Ethan M. <merritt@u.washington.edu>]

It would be possible.

The "not a pipe" test may be problematic, since there are all
sorts of reasons for using a pipe, and some of them might well
benefit from the new option.

For what it's worth, there is an extended standard that permits
multiple images in *one* png file. It is supported, for instance,
by ImageMagick.  But as I recall this isn't currently provided
by libgd.



On Wednesday 12 January 2005 04:54 pm, Jim Kleckner wrote:
> Would it make any sense to hack gd.trm to
> add an option to detect when a new plot is
> created and if output is to a non-pipe named
> file to auto-append a number ahead of the extension
> and close/reopen the file?  Quick inspection
> of the code suggests that it can be done but perhaps
> there are gotchas and/or complexities that don't
> show on the surface.  For multiplot plots as
> an example.
> 
> An option named, say, auto_number_files ?
> 
> Issuing "set output" commands for every plot
> can be a tedious retrofit to something that
> works with PS or PDF.
> 
> Comments?
> 
> Jim
> 
> 
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-- 
Ethan A Merritt       merritt@u.washington.edu
Biomolecular Structure Center
Mailstop 357742
University of Washington, Seattle, WA 98195