[R-SIG-Mac] Mac or Windows...?

[stefano iacus]

Once (in the original implementation of the device) it was possible  
to set "antialias=FALSE" when opening quartz() to get reasonable  
speed in drawing, but of course you loose the nice quartz antialias  
effect, and get  results similar to X11 or windows device.

it seems that this option has no longer effect

 > quartz()
 > system.time(example(heatmap))
[1] 2.587 0.180 4.460 0.000 0.000
 > quartz(antialias=FALSE)
 > system.time(example(heatmap))
[1] 2.573 0.176 4.545 0.000 0.000
 > x11()
 > system.time(example(heatmap))
[1] 1.967 0.145 3.741 0.000 0.000


Simon, have you time to check?

stefano


On 11/nov/06, at 15:19, Paul Roebuck wrote:

> On Sat, 11 Nov 2006, Klaus Thul wrote:
>
>> [SNIP]
>> A major advantage of the Mac is the Quartz graphics
>> device. Graphics quality on screen is much better and
>> it is possible to copy and paste graphics without
>> quality loss to other applications.
>> [SNIP]
>
> I agree with most of what he said here. I would note however
> that we routinely have to use the X11() device instead of
> quartz() device in R due to speed issues. I have code that
> would take several minutes drawing a heatmap using quartz
> device. One day I accidentally started X11 device instead
> and found the same code executed in about fifteen seconds.
>
> ----------------------------------------------------------
> SIGSIG -- signature too long (core dumped)
>
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