[PD] array indirection

Phil Stone pkstone at ucdavis.edu
Sun Dec 9 21:47:44 CET 2007

Hi Andy,

I think what I'm asking for would be more like a [set( method on an 
array, to change the data it sees.  Not a trivial thing, I know 
(especially if Miller has thought about it and not come up with a way to 
do it!)


Andy Farnell wrote:
> This does not answer your question exactly, but remember you can use the [set(
> method of [tabread~] objects to change arrays. 
> On Sat, 08 Dec 2007 12:26:23 -0800
> Phil Stone <pkstone at ucdavis.edu> wrote:
>> This probably fits into the category of a wish for PD; I think there's 
>> no way to do it currently, but I'd love to be proven wrong! 
>> I'd like to be able to change the data an array points to rather than 
>> actually change the data in the array.  The scenario which me think of 
>> this is, I'd like to have a display of a currently-selected waveform 
>> (which could be one of many pre-allocated arrays).  It would be 
>> wonderful to have a level of indirection where the display-array can be 
>> given a new address [object reference?] to one of the various 
>> pre-allocated arrays, after which it redraws itself.
>> I suppose this unleashes all the evils of pointers (multiple references 
>> to memory, etc.), but it would a serious advantage, performance-wise, 
>> for the scenario I'm envisioning.
>> I also think it would be very cool if arrays could act as buttons...but 
>> that's a different subject.
>> Phil Stone
>> pkstonemusic.com
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