[PD] [table] update notification

[Hans-Christoph Steiner]

That would be nice to have as an outlet from an array.  Or perhaps the [table] object should have an outlet to get that info.

.hc

On Mar 7, 2012, at 12:15 PM, Jonathan Wilkes wrote:

> Pd-l2ork has a feature where you can [r "arrayname_changed"]
> 
> and you'll get a bang when the array is modified with the mouse.  
> 
> If you want a notification when using tabwrite/etc., well, when those 
> 
> objects receive a message to update the array, just manually send 
> 
> a bang to "arrayname_changed" when this happens.
> 
> -Jonathan
> 
> 
> 
> ----- Original Message -----
>> From: Roman Haefeli <reduzent at gmail.com>
>> To: pd-list <pd-list at iem.at>
>> Cc: 
>> Sent: Wednesday, March 7, 2012 3:55 AM
>> Subject: [PD] [table] update notification
>> 
>> Hi all
>> 
>> Is there a way to be reliably notified when a table/array changes? My
>> hope is that I don't know of some hidden feature. Is there any?
>> 
>> It's easy to catch messages sent to [s arrayname]. However, it's not so
>> easy when data is written through [tabwrite arrayname] or [tabwrite~
>> arrayname] or if the data is drawn manually. 
>> 
>> My current solution is quite a CPU hog: The whole table is scanned in
>> periodic intervals and compared to a reference table, so that any
>> difference will be caught. Of course, this solution comes with a latency
>> (it's a trade-off between avoiding latency and saving CPU cycles).
>> Probably, it could be a wee bit less CPU hungry to make the comparison
>> in the audio domain instead of the message domain, but still it's
>> work-around.
>> 
>> Is there a real solution for this around?
>> 
>> Roman
>> 
>> 
>> 
>> 
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