[Qgis-user] Use render caching where possible to speed up redraws

[John C. Tull]

I've played around with allowing this on my own builds. The result is crashes, at least with some projects, when you try to resize the application window. I've not tried to debug this, but it seems to be a qt issue. It is true of both carbon and cocoa qt-4.6, likely older qt as well.

John

On Jan 25, 2010, at 12:06 PM, William Kyngesburye wrote:

> I don't know about the reason, but I just wanted to point out that it's more general: same on Snow, and same for Qt 4.6 Cocoa (the 1.4 builds use Qt 4.5 Carbon).  Also, it's the whole "Render behavior" group of options that is disabled (display added layers by default, number of features to draw, render caching).
> 
> On Jan 25, 2010, at 1:49 PM, Kurt Menke wrote:
> 
>> Hello,
>> Is there any reason that “Use render caching where possible to speed up redraws” would not be available on the Mac Leopard stand alone version of QGIS 1.4?
>> 
>> Kurt
>> 
> -----
> William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
> http://www.kyngchaos.com/
> 
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