[R-SIG-Mac] sizing of quartz and x11 windows

stefano iacus jago at mclink.it
Mon Dec 5 10:42:53 CET 2005

The general answer is that your pixels are not squares but they are  
vertical rectangles, so what you expect is not what you see.
As for the small difference in quartz vs x11 I think is because of  
the resizing square at the bottom-right of the quartz window. So you  
should measure up to that square and you should get the same height.
You should notice this effect by creating 3x3 window and look that  
indeed it appears as a rectangle.
hope this helps

On Dec 5, 2005, at 5:28 AM, Parlamis Franklin wrote:

> whenever i open an x11 or quartz window, the dimensions of the window
> are roughly 74% and 72%, respectively, of what i call for.  for  
> example:
> quartz(width=3, height=4) leads to a window that is roughly 2.15
> inches by 2.9 inches, and
> x11(width=3, height=4) leads to a window that is roughly 2.21 inches
> by 3 inches
> i am using dual apple cinema 23" displays set at the 1920x1200
> resolution.
> can anyone point me in the direction of understanding why this is
> happening?
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