[PD] pix_artoolkit example

[mark edward grimm]

got it thanks!

I will take a look this afternoon and get back to you...

Cheers
mark

--- On Mon, 11/23/09, Martin Schied <crinimal at gmx.net> wrote:

> From: Martin Schied <crinimal at gmx.net>
> Subject: Re: [PD] pix_artoolkit example
> To: mgrimm at syr.edu
> Date: Monday, November 23, 2009, 2:52 PM
> hi, mark
> 
> I did some quick changes which should let you display
> something.
> 
> the gemwin is now 10 times "bigger" than usual, and the far
> clipping plane beyond which "everything disappears" is set
> to 3000, you might want to adjust that.
> 
> to me it seems like it outputs millimeters as unit - but
> maybe it's no sensible unit at all. the size of the cube 40
> is actually a 80x 80x80 cube which matches the default
> marker size.
> 
> if you plan to use artoolkit as an augmented reality device
> you'll have to measure your isight camera somehow and adjust
> your virtual camera in the gemwin to match your real
> camera's parameters. it's also possible to do it without
> measurements, but it can be an endless "gefrickel" (I
> realized that at a point and then did the measurements which
> made everything more comfortable for my tracking system).
> it's not that difficult, but my experience was that I had to
> carefully note everything and make some drawings, showing
> the relations between the real camera's angles and and the
> virtual camera.
> 
> maybe check some computer graphics books for details on
> that. if they are to mathematical - throw it away and get
> another one, this stuff can also be explained in an easy to
> understand manner...
> 
> cheers
> martin
> 
> > hey martin... off list heres some of the data im
> getting when the marker gets recognized...
> > 
> > thanks!
> > mark
> >   
> 
> 
> 
>