[gl2ps] Problem viewing pdf in Mac OSX

[Duncan Murdoch]

Duncan Murdoch wrote:
> I'm producing a pdf file using gl2ps, but the surface doesn't show up in 
> the MacOSX previewer.  (Lines and text
> are fine).
>
> The pdf file is available at 
> http://www.stats.uwo.ca/faculty/murdoch/temp/persp3db.pdf .  It looks 
> fine in the Acrobat reader in Windows or on the Mac, but the surface 
> doesn't show up in the default "Preview" pdf viewer on the Mac.

Whoops, forgot the question:

Is this an unavoidable bug in Preview, or is there something I should be 
doing differently?

Duncan Murdoch