[Interest] PQ Labs and Qt

Jonathan Greig redteam316 at gmail.com
Wed Aug 29 17:13:25 CEST 2012

Have you looked at Qtuio? http://qtuio.sirbabyface.net/

I've been thinking about going with a PQ Labs overlay, but linux support is
very important to me. I think they have improved their linux support a
little but can't get any real solid info on it either and haven't decided
whether to get one yet or not.

I'm also interested in any info on this and how your project goes.

- Swyped from my droid.

On Aug 29, 2012 5:08 AM, "Andrea Franceschini" <therealmorpheu5 at gmail.com>

Hi all, this is probably not the best place to ask regarding an
external product but the question is Qt-related so here you go.

My work group is going to acquire an Evoluce multi-touch screen that's
basically a very large screen with a PQ Labs overlay supporting up to
6 fingers (which is quite disappointing but I'll have to live with

I couldn't find much information on the Internet about this so I'm
asking for opinions and experiences with the PQ Labs overlays and Qt
software. Now, the only thing I know is that the overlay we'll have is
not supported under Linux since PQ Labs doesn't provide drivers for
older models, so I'm stuck with Windows or OS X. Also, I'm told the
overlay's driver outputs cursor in TUIO format. My only previous
experience with Qt and multi-touch dates back to the days when Qt
didn't support multiple cursors so I had to develop my own support for
my own applications, though I have worked with TUIO before. The thing
is that every single Evoluce demo I see around is using exclusively
Windows, and I'm not familiar enough with it to assess the state of
the art.

If anybody had any experience with this combo, I'd appreciate any insight.

Andrea Franceschini
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