Piccolo Popolo Architecture

Some years ago I accepted to work as a teacher for the first time in my life. It was for a master called Digital Environment Design. I had to give only a few lessons, so teaching hard core C++ programming to all those artists and DIYers didn’t seem appropriate… having worked a lot as a system integrator, I decided to focus my lessons on “integration”.

These guys used stuff like MAX/MSP, vvvv and Arduino to develop their projects. The workgroup had to split every project into modules in order to let many minds/hands work on it at the same time. It was quite natural having all those modules (video, audio, 3d, databases, internet) connected together using OSC.

At that time I had only one suitable piece of software to offer to my students: Mocolo. So I added OSC compliance to Mocolo, and gave the application to them.

The results were quite good.

So good, in fact, I started considering adopting this schema for my own work. Eventually I dropped the monolithic approach in favor of a distributed architecture.

The second key of Piccolo Popolo Architecture are names.

I spent seven years of my career working for a company who cared more about bombastic applications’ names than software efficiency and robustness.

I decided to subvert this paradigm too – now you know: the silly names of my applications are by design.

Résister aujourd’hui, for instance, has been a challenging installation, with many projections, IR cameras, switches, encoders and step motors all operating together.

Every aspect of the installation was delegated to a proper application, running under the control of a master – acquiring events and issuing commands.

Résister aujourd'hui - Piccolo Popolo schema

This architecture allows to run every application on the same PC (that was the case of Résister aujourd’hui), but it also allows to distribute applications across a LAN.

In some projects Mocolo (or Polipo) are set to perform very heavy tasks: in that case Mocolo (or Polipo) runs alone on his own PC and talks to other applications over the network.

Well, “scalability” and “modularity” are buzzwords in software industry, I don’t need to explain that.

Another topic is “openness”.

My Piccolo Popolo applications can fit in third party OSC oriented projects – and I can use third party applications in my projects. I often do that when audio requirements are very complex – like in Anima di Gomma, for instance. Sometime I also used reacTIVision to read fiducial markers in a bar-code fashion, like in Museo della Carrozza.

“Opennes” is a concept I like, not only in matter of software applications.

 

So, this is Piccolo Popolo Architecture.

In the end, something more than OSC communication and silly names.

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