Fwd: ARMarkerInfo structure

Begin forwarded message:

> From: joele.d@p ........
> Date: 20 June 2005 2:14:34 AM
>
>
> hello,
> I have some probelm understanding the ARMarkerInfo structure.
> Could you perhaps help me?
>
> pos[2]: contains the x,y,z coordinate of the centre of the marker
> line[4][3]: contains the line equations of the 4 sides of the marker
>             How are these specified? [0][0], [0][1] and [0][2] contain
> the
>             a,b and c for one side? And the other rows contain the a,b
> and c
>             for the other sides? Why does the indexes go up to 4  
> and 3?
> Should
>             not be line[3][2] be suficient?
> vertex[4][2]: contains the x,y,z coordiantes of the marker. Why does
> the index go
>               up to 4? should not 3 be suficient?
>
> Thank you in advance
>
>

From:	Philip Lamb <phil@e ..........>	Received:	Jun 20, 2005
To	ARToolkit ARToolKit <artoolkit@h ..................>
Subject:	Fwd: ARMarkerInfo structure
Begin forwarded message: > From: joele.d@p ........ > Date: 20 June 2005 2:14:34 AM > > > hello, > I have some probelm understanding the ARMarkerInfo structure. > Could you perhaps help me? > > pos[2]: contains the x,y,z coordinate of the centre of the marker > line[4][3]: contains the line equations of the 4 sides of the marker > How are these specified? [0][0], [0][1] and [0][2] contain > the > a,b and c for one side? And the other rows contain the a,b > and c > for the other sides? Why does the indexes go up to 4 > and 3? > Should > not be line[3][2] be suficient? > vertex[4][2]: contains the x,y,z coordiantes of the marker. Why does > the index go > up to 4? should not 3 be suficient? > > Thank you in advance > >

From:	Daniel Wagner <daniel@i ...............>	Received:	Jun 20, 2005
To	ARToolkit ARToolKit <artoolkit@h ..................>
Subject:	Re: Fwd: ARMarkerInfo structure
This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigF1EB5ECC636F8583F5CB76DF Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit joele.d@p ........ wrote: >> pos[2]: contains the x,y,z coordinate of the centre of the marker > that a 2D coordinate of the center of the marker in the markers 3D-plane, so it is just x and y, no z. >> line[4][3]: contains the line equations of the 4 sides of the marker >> Should not be line[3][2] be suficient? > the 4 is for the 4 borders of the marker. i don't know the exact meaning of the 3 values for each line. >> vertex[4][2]: contains the x,y,z coordiantes of the marker. Why does >> the index go >> up to 4? should not 3 be suficient? > this are the x/y coordinates of the 4 corners of a marker in screen coordinates (already lens undistorted, so it's not the exact corner position in the camera image). bye, Daniel --------------enigF1EB5ECC636F8583F5CB76DF Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (MingW32) iD8DBQFCtv+4QVW9sHd65aQRAiQeAJ9nQEyffUgP/epw4sR+7TwKSk+X8gCgkG+3 zSujCuU7tXRnfVEd13/v4Qk= =IZRz -----END PGP SIGNATURE----- --------------enigF1EB5ECC636F8583F5CB76DF--