How to set up a double Tagtool session

A double Tagtool session allows two people to draw in the same projection space. In theory, you could triple, quadruple, etc to get more people drawing in the same space.

Double Tagtool with two projectors

The easiest way to have a double Tagtool session. Just hook up two Tagtools to two projectors and project on the same spot.

With this method, the light of the projectors is additive, so you can only lighten the other Tagtool's output, never darken it.

Double Tagtool with a video mixer

Use a video mixer with a Lumakey option.

SD Mixers like the Edirol V4 or V8 have very low resolution for serious Tagtooling, but are relatively affordable.

HD Mixers like the Edirol V440 have excellent image quality but come at a much higher price.

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Last modified: 2010/10/21 05:59 by sc_r