Forums > MaxMSP

sends in poly~

October 31, 2010 | 10:01 am


if I have a send in a patch (let’s call it "sendpatch"), and then I have 5 of them via poly (so poly~ sendpatch 5),

does poly number those sends for each instance?

or, if not, what does poly do with those sends? Does each instance have the same send?


October 31, 2010 | 10:59 am

> does poly number those sends for each instance?


> or, if not, what does poly do with those sends?


> Does each instance have the same send?

Tricky question. Each instance has a it’s own unique send. A send/receive pair can basically be understood as a patch chord, which is not actually drawn. This allows to easily connect across the boundary of sub patches and poly~’s. If you require unique sends for each poly, you could use the forward object instead. Does this cover the issue?


October 31, 2010 | 12:16 pm

Each instance of poly~ has a index number so if you give eveny receive object in the poly~ that same number (see helpfile how to do this) you can address every poly~ separate. Not very difficult to do.

October 31, 2010 | 12:35 pm

If you want to have a uniquely named [send] in each instance of your [poly~] subpatch I would recommend some combination of [thispoly~] to get the instance number, [sprintf] for formatting, and [forward] to do the sending.


October 31, 2010 | 8:45 pm

or [thispoly~] for the number, prepend it to your [send] messages, then route out the index at the other end.

October 31, 2010 | 9:12 pm

Hey everybody –

thanks, looks good. I suppose the heart of my question was to find out if there was some nifty way of having individual sends in a poly~ self-define, without having to address/define the sends myself. I kind of expected one could not, which is fine.


November 1, 2010 | 12:50 pm

I would rather use a #0 prefix for the send/receive name. This will be substituted with a _unique_ id number per subpatch/poly-instance.
With the instance number approach you might run into trouble when using multiple poly objects, as there will be multiple instances with the same instance number.

Using #0 is also a cleaner solution, as you can directly use it in the arguments.
for example:

[send #0-var1]
[receive #0-var1]

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Forums > MaxMSP