[PD] working simultaneously on the same patch from two different places in the universe....

IOhannes m zmoelnig zmoelnig at iem.at
Wed Apr 1 09:25:49 CEST 2015

On 2015-04-01 02:25, Dan Wilcox wrote:
> IOhannes, et al demoed a build of pd that did exactly this at the 2007 Montreal PdCon. There was a projection and about 3-4 mouse cursors alternatively cooperating and battling on the same canvas. Was great fun to watch for dataflow practitioners/nerds.

it was called "peerdata" [1] (or formerly "multipd") and you can still
find the paper at [2].

it worked by putting some middleware (a proxy, written in Pd :-))
between pd-core and pd-gui that would handle the 1-to-N distribution of

it didn't require any changes on both the core and the gui, you only
needed to start the two programs separately and tell them to use the
proxy as the "other" end.

while in theory the proxy is dumb (and should thus be robust against
Pd-version changes), it was just clever enough so that i think it is
broken since the gui rewrite (Pd>=0.43)


[1] https://github.com/umlaeute/peerdata
[2] http://umlaeute.mur.at/Members/zmoelnig/dissertation/papers/pd2007

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