[Rd] Windows freezes plotting large line plots (PR#7856)

(Ted Harding) Ted.Harding at nessie.mcc.ac.uk
Thu May 12 13:00:12 CEST 2005

On 12-May-05 ripley at 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?


E-Mail: (Ted Harding) <Ted.Harding at nessie.mcc.ac.uk>
Fax-to-email: +44 (0)870 094 0861
Date: 12-May-05                                       Time: 08:26:43
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