I've written a patch for the Mac OS X native backend to make use of the new 
hatching support; see patch #2497785 at

https://sourceforge.net/tracker/index.php?func=detail&aid=2497785&group_id=80706&atid=560722

I tested this with the new hatch_demo.py in SVN trunk, and it seems to work 
fine.

--Michiel

--- On Mon, 12/29/08, Michael Droettboom <md...@stsci.edu> wrote:

> From: Michael Droettboom <md...@stsci.edu>
> Subject: [matplotlib-devel] Hatching support
> To: "matplotlib development list" <matplotlib-devel@lists.sourceforge.net>
> Date: Monday, December 29, 2008, 9:20 AM
> I've refactored hatching support to move the hatch
> design itself to the 
> core, added support for them in the Agg and SVG backends,
> and simplified 
> their usage in the PDF and PS backends.  It should now be
> easier to add 
> new hatch styles if anyone ever feels artistic.
> 
> In order to use the same general approach in all backends,
> the PS 
> backend now uses the makepattern command rather than a loop
> to draw each 
> hatch line.  That may be a regression in certain situations
> (eg., old PS 
> printers without enough memory).  So those who were using
> the old PS 
> backend with hatches should test the new approach and
> report any problems.
> 
> Mike
> 
> -- 
> Michael Droettboom
> Science Software Branch
> Operations and Engineering Division
> Space Telescope Science Institute
> Operated by AURA for NASA
> 
> 
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