Re: Version 6 graphics can be painfully slow
- To: mathgroup at smc.vnet.net
- Subject: [mg84869] Re: Version 6 graphics can be painfully slow
- From: Yves Klett <yves.klett at googlemail.com>
- Date: Wed, 16 Jan 2008 23:11:56 -0500 (EST)
- References: <fmkerk$72g$1@smc.vnet.net>
Szabolcs,
in 6.0x, Point (and Polygon) can take a list of points as arguments and
renders significantly faster:
data = Table[{Random[], Random[]}, {100000}];
Graphics[{PointSize[0.002], Point[data]},
AspectRatio -> Automatic] // Show
Regards,
Yves
Szabolcs Horvát schrieb:
> In some cases, version 6 graphics can be painfully slow. Consider this
> example:
>
> data = Table[{Random[], Random[]}, {100000}];
> Graphics[{PointSize[0.002], Point /@ data}, AspectRatio -> Automatic] //
> Show
>
> This used to work fine in version 5.2, but it takes forever to complete
> in version 6.0.1. I have a dataset with about 250 000 points that I
> would like to plot, so this problem is really annoying ...
>
> The strange thing is that as soon as the graphic appears, resizing is
> fast and works fine (especially with antialiasing disabled). So it is
> not the /drawing/ itself that takes so long.
>
> I really hope that these problems will be fixed in 6.1, but until then,
> does anyone have a suggestion for speeding this up?
>
> (At the moment I temporarily switch back to << Version5`Graphics`)
>
> Szabolcs
>