[PD] TkWidget library

Martin Peach martin.peach at sympatico.ca
Thu Nov 1 05:57:32 CET 2007

Mathieu Bouchard wrote:
> On Wed, 31 Oct 2007, Martin Peach wrote:
>> Maybe if redundant calls could be pruned before going through the 
>> socket things would work better. For instance if a number box is 
>> being updated a few hundred times a second then it would be better if 
>> only the last update per signal block would get through.
> They already are, but just the builtin objects, *not* including 
> IEMGUI. However, the way that they are pruned, they are sometimes not 
> updated often: the appearance of a floatbox can hang while the server 
> is too busy.
> In contrast, DesireData has a minimum update rate of 50 ms of logical 
> time. I can see tweaking that further, so that it is 50 ms of real 
> time, or any other value of logical time or real time, and/or setting 
> a max number of box updates per pass, or a max number of bytes of 
> updates per pass.
It doesn't make sense to update a box or the screen more often than once 
per frame on the viewing device, but of course that signal (the vertical 
retrace or frame sync) is often hard to obtain. openGL sometimes has it 
builtin, does tk? 60Hz is 16.66...ms.


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