[Qgis-developer] Mac OS X vertex limitation

Gary Sherman sherman at mrcc.com
Sun Dec 31 22:37:28 EST 2006

On Dec 31, 2006, at 3:52 PM, William Kyngesburye wrote:

> There's a note in the Mac Qgis readme about the Mac build being  
> limited in the number of vertices per polygon due to a QuickTime  
> limitation (actually that's a QuickDraw limitation) as used in Qt.   
> Is this still valid?
I'm not sure, maybe Tom knows...
> I looked at the Qt docs for QPainter and Qt4 should be able to use  
> OSX's CoreGraphics now.  Unless maybe Qgis is still using a Qt3  
> compatibility thing and stuck on the QuickDraw method?  Though I'm  
> not sure if CoreGraphics has removed that vertex limitation or not  
> (one would think so).
We aren't using Qt3 compat for drawing so this shouldn't be an issue.  
I can easily test with my dataset once there is a Mac build available.



Gary Sherman
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