Thanks!
On Tue, Jun 3, 2008 at 7:56 PM, Carsten Neumann <[EMAIL PROTECTED]>
wrote:
> Hello Pablo,
>
> Pablo Carneiro Elias wrote:
> > Thanks Carsten,
> >
> > i've tried it with points now (OSG::Pnt3f)
> >
> > but something is still strange.... values are still negatives and too
> > big... any other suggestion?
> >
> > heres the code im using...
> >
> > OSG::Matrix m;
> > getCamera()->getWorldToScreen( m, *(_viewport) ); // get the world
> > to screen matrix to matrix 'm'
> >
> > OSG::Pnt3f spoint; // destination point
> > m.multMatrixPnt( _start3d, spoint ); // transform world point
>
> I'm sorry, I've made a mistake. To get the multiplication with the
> complete matrix you actually need multFullMatrixPnt, otherwise only the
> 3x3 portion of the matrix is used (which is for many cases what one
> wants, unless the matrix does a projection of course ;) ).
>
> Hope it helps,
> Carsten
>
> -------------------------------------------------------------------------
> Check out the new SourceForge.net Marketplace.
> It's the best place to buy or sell services for
> just about anything Open Source.
> http://sourceforge.net/services/buy/index.php
> _______________________________________________
> Opensg-users mailing list
> Opensg-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/opensg-users
>
-------------------------------------------------------------------------
Check out the new SourceForge.net Marketplace.
It's the best place to buy or sell services for
just about anything Open Source.
http://sourceforge.net/services/buy/index.php
_______________________________________________
Opensg-users mailing list
Opensg-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/opensg-users
