Hi Sashidhar, some weeks ago somebody had the same problem. here his mail and the last response:
Hi, try this: in groups.google.com search for this: osg-users ralph kern screenshot in google.com osg-users "Taking a screenshot with" cheers jp maruti borker wrote: > > Can anbody point me to the older mails atleast :( > > > > Waiting in anticipation > > > > On Nov 28, 2007 3:06 PM, maruti borker <[EMAIL PROTECTED] > > <mailto:[EMAIL PROTECTED]>> wrote: > > > > > > Hi all , > > I know this question has been asked again and again . But > > i am sorry i wasnt able to find the previous mails in the archive > :( . > > What i want to do is when a user presses some key he > > should see some 3-4 screenshots of some specific nodes . > > So basically i am thinking of doing the following :- > > -> Set up some dummy cameras > > -> Bring them near the node ( at some distance ) > > -> Take screenshots and write them in some directory > > -> Load the images and use it as a texture to a plane > > -> Display it to the user > > > > So what i did was i took a seperate viewer , and put the scene-data > > of the viewer to be the node .And then attached a slave camera to > > the viewer and took a screenshot . But it gave a black image as > > output .I tried doing frame() too , but that changed the window on > > which i was working on and also gave a black output. Can somebody > > help me out ?? > > > > And is there a way by which i can just use dummy cameras instead of > > dummy viewers to take a screenshot ? > > And how should i place the camera near the node ? > > > > Thanx a lot in advance > > > > -- > > Maruti Borker > > IIIT Hyderabad > > Website:- http://students.iiit.ac.in/~maruti > > <http://students.iiit.ac.in/%7Emaruti> > > Blog:- http://marutiborker.wordpress.com > > <http://marutiborker.wordpress.com> > > > > > > > > > > -- > > ---------------------------------------------- > > Maruti Borker > > IIIT Hyderabad > > Website:- http://students.iiit.ac.in/~maruti > > <http://students.iiit.ac.in/~maruti> > > Blog:- http://marutiborker.wordpress.com > > > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > osg-users mailing list > > osg-users@lists.openscenegraph.org > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > hope this helps! cheers, daniel Sashidhar Guntury wrote: > Hi! > > I have this viewer running and on pressing a button, I need > to generate an image of the scene as seen from a different angle and > position without using the original viewer or changing the viewer > position and orientation. How is it possible? > > thanks! > > yours > Sashidhar > ------------------------------------------------------------------------ > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org