From Ted.Harding at nessie.mcc.ac.uk  Thu May 12 13:00:12 2005
From: Ted.Harding at nessie.mcc.ac.uk ( (Ted Harding))
Date: Thu May 12 13:18:47 2005
Subject: [Rd] Windows freezes plotting large line plots (PR#7856)
In-Reply-To: <20050512070609.8612FE182@slim.kubism.ku.dk>
Message-ID: <XFMail.050512120012.Ted.Harding@nessie.mcc.ac.uk>

On 12-May-05 ripley@stats.ox.ac.uk wrote:
> This is already addressed in R-patched: we do ask you to check
> before filing a bug report so as not to waste our time.
>  (It was also discussed on R-help: see the archives.)
> 
> It is a bug *in Windows* and not one in R: nothing an application
> can do should be that fatal (and this is a perfectly legitimate
> Windows GDI call).  I trust that you will file a bug report in the
> correct place.
> 
>>From the CHANGES file:
> 
>    The support for mitred lines encountered a Windows problem
>    with a dramatic slowdown if more than 1000 or so segments
>    were plotted in a polyline.  We now plot in bunches of 1000,
>    which is less accurate but  works around the Windows problem.

Clearly a neccessary change, even though it is less accurate.
But does this change apply only to Windows compilations (i.e.
conditional compilation), or will we all have to put up with it?

Ted.


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Date: 12-May-05                                       Time: 08:26:43
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[Rd] Windows freezes plotting large line plots (PR#7856)
 (Ted Harding