[IGSTK-Developers] tracking and video

[Luis Ibanez]

Hi Ziv,

The GPL license is not compatible with the
BSD-like license used by ITK, VTK and IGSTK.

We should not distribute any GPL software
along with IGSTK, nor copy/paste code from
any software distributed under the terms of
the GPL license.

If you find ARToolkit to be very useful, what
we can do is to set up IGSTK in such a way
that it will be easy for users to combine
IGSTK with ARToolkit, but requesting them
to download ARToolkit independently, and to
assume the responsibility of dealing with
the GPL licensing issues.

Note that when you use a GPL software as part
of your application, then you application
*MUST* be distributed also under the terms
of the GPL license. This is independent of
whether your application is a commercial or
academic endeavor.



    Luis




-------------------
Ziv Yaniv wrote:
> Hi all,
> 
> Some questions/comments related to the IGSTK video and tracking components:
> 
> 1. While the micronTracker is a tracking device it does provide a video stream, should it inherit both from igstk::Tracker and igstk::RealtimeImager (made up generic name for all devices that produce image/volume streams)?
> 
> David, as it is a stereo system, do you get to choose which image it streams or does it stream both?
> 
> 2. Is there a policy with regard to including GPL code as part of IGSTK, not the core, but utilities/add ons directory?
> 
> It would be nice to have the ARToolkit (http://www.hitl.washington.edu/artoolkit/) or ARToolkitPlus (http://studierstube.icg.tu-graz.ac.at/handheld_ar/artoolkitplus.php)in a utilities directory. This way students can use IGSTK as part of a course on IGS with webcam trackers or, believe it or not, in real IGS applications (S. Nicolau et al., "A complete augmented reality guidance system for liver punctures: First clinical evaluation",MICCAI'05).
> 
> This also raises the previous question, a web cam is both a RealtimeImager and a Tracker.
> 
> If including GPL'd code in a utilities directory is not a problem I may try to enlist some outside help from people not currently involved in the project, although I'm not too sure if they will bite.
> 
> 
>                                  thanks
>                                     Ziv
> 
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