Hi, OpenSG uses Gouraud-Shading as standard. There is a PhongMaterial available too. Futher Shading models would have to be implemented as Shading Chunks that could be attached to a material, or a new MaterialType.
HTH Matthias Stiller On Tuesday 19 June 2007 13:59, Brajesh Lal wrote: > hi, > > Which kind of shading model (Phong. Lambert, ...etc) is used by > OpenSG. > > Best Regards > Brajesh Lal > > > > > > ----- Original Message ---- > From: Carsten Neumann <[EMAIL PROTECTED]> > To: [email protected] > Sent: Monday, June 18, 2007 1:08:03 PM > Subject: Re: [Opensg-users] Lighting a geometry by muliple lights > > Hello Brajesh, > > Brajesh Lal wrote: > > I did the second way as you mentioned, i think for direction light > > beacon does not matter if we don't want to move the directional > > light. If i don't add directional light transform nodes in the root > > node but still i can see the geometry, How is it possible?. Does > > directional light has special implementation technique? > > if no beacon is set the light is positioned in the coordinate system > that is active at the lights position in the scenegraph. > > > Even i changed the direction vector of the lights to 1,0,1 instead > > of 0,1,1. The illumination effect does not change. Reducing the > > number of light to one. Then also illumination effect does not > > change? why it is so? > > If you have multiple directional lights with the same direction I > would expect the differences to be minimal and hard to notice. Give > your lights different directions and you should be able to spot a > difference more easily. > What are you trying to achieve with the multiple directional lights ? > > Cheers, > Carsten > > --------------------------------------------------------------------- >---- This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > Opensg-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/opensg-users > > > > > > > > > _____________________________________________________________________ >_______________ Get the Yahoo! toolbar and be alerted to new email > wherever you're surfing. > http://new.toolbar.yahoo.com/toolbar/features/mail/index.php -- +---------------------+----------------------------+ | VREC GmbH | | | Matthias Stiller | | | Robert-Bosch-Str. 7 | tel: +49 6151 4921034 | | 64293 Darmstadt | web: http://www.vrec.de | | Germany | mail: [EMAIL PROTECTED] | +---------------------+----------------------------+ ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Opensg-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/opensg-users
