Thanks That worked. On Thu Sep 6 3:55 , "J.P. Delport" sent:
>Hi, > >I had a similar problem some time ago, a quad strip would disappear if >the initial point was outside the camera FOV. > >Try ->dirtyBound() on the geometry node you add data to. > >jp > >[EMAIL PROTECTED] wrote: >> >> >> I have set up a earth globe view where I have a trajectory line that >> "trails" out of the end of a 3d aircraft model. >> I have two slightly modified versions of a nodeTracker and Terrain >> manipulator that I am using. (Both have >> slightly modified up vector calculations). My problem is that depending on >> my viewing angle the trajectory >> line will disappear. I have set the culling mode on the viewer's camera to >> NO_CULLING and have tried to >> set all nodes to setCullingActive(false). The line itself is a primitive >> class that I append points to as they >> arrive (I get my data elsewhere).The model is placed at the same location as >> the last point appended >> to the line. The behavior seems as follows. If I view the model (which is >> the node >> currently attached to my nodeTracker) from ANYWHERE behind the model which >> is the side the trajectory >> line emminates from (back to the original point), the line disappears. The >> model never disappears but the entire >> line disappears. It is not clipping the line off at a near clip plane >> because the entire line disappears, and I am far enough >> away (and off to the side) that at least some if not all the line should be >> in view. >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> > >-- >This message is subject to the CSIR's copyright terms and conditions, e-mail >legal notice, and implemented Open Document Format (ODF) standard. >The full disclaimer details can be found at >http://www.csir.co.za/disclaimer.html. > >This message has been scanned for viruses and dangerous content by >MailScanner, >and is believed to be clean. MailScanner thanks Transtec Computers for their >support. > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
