Hello Carsten, it actually did. I have now solved the issue.
Thanks, Keyan On 28 Jun 2012, at 17:48, Carsten Neumann wrote: > Hello Keyan, > > On 06/27/2012 04:27 PM, Keyan wrote: >> this issue is now really getting a pain … >> >> I need shadows, which are calculated independent of the camera's position to >> the center of origin. Setting and fixing some boxes, which lead to a poor >> shadow calculation, as suggested, is not an option. >> >> My current idea is the keep the OpenSG-navigator fixed, and to implement my >> own camera, that translates my scene back to the center of origin, so that >> everything is within the shadow-calculation area. >> >> The problem that I now have is the following: how can I do what in gl is >> know as glLoadIdentity(). For some reason, I just can't figure out how to >> set the navigator such that geFrom results in 0, 0, 0, getAt results in 0, >> 1,0 and up results in 0,0,1. Using the setFrom/setAt/setUp lead to somewhat >> unexpected results. So i would like to "reset" the scene graph at the very >> first node, to then apply my own transformations, from a well defined >> initial state. > > hmm, I'm not sure I'm following: Navigators are usually set up to > manipulate the camera beacon. If you don't want that you can either have > it modify a different transform or assign a different beacon node to > your camera (or have no beacon node at all). > A camera without beacon will be in the origin of the world coordinate > system looking down the -z axis. > You can move the scene by having a transform at the top of your > hierarchy. You could even have the navigator modify that transform, but > it would probably produce inverted movements from what you'd expect, > because the navigators are intended for moving cameras not the scene. > > Hope it helps, > Carsten > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Opensg-users mailing list > Opensg-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/opensg-users ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Opensg-users mailing list Opensg-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/opensg-users
