CompositeViewer support: Difference between revisions

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{{cquote|Yes, and that's not really supported by the current architecture, neither by the tile cache nor by osgViewer::Viewer. We would need to move to a
{{cquote|Yes, and that's not really supported by the current architecture, neither by the tile cache nor by osgViewer::Viewer. We would need to move to a
CompositeViewer model, which supports several scene graphs, and rely completely on the osg database paging machinery.<ref>{{cite web |url=http://www.mail-archive.com/flightgear-devel@lists.sourceforge.net/msg28869.html|title=<nowiki>Re: [Flightgear-devel] Disappearing scenery</nowiki>|author=Tim Moore|date=Sun, 19 Sep 2010 11:39:32 -0700}}</ref>|Tim Moore}}
CompositeViewer model, which supports several scene graphs, and rely completely on the osg database paging machinery.<ref>{{cite web |url=http://www.mail-archive.com/flightgear-devel@lists.sourceforge.net/msg28869.html|title=<nowiki>Re: [Flightgear-devel] Disappearing scenery</nowiki>|author=Tim Moore|date=Sun, 19 Sep 2010 11:39:32 -0700}}</ref>|Tim Moore}}
{{cquote|this also raises the question of reproducible clouds. If we have multiple independent viewers in the future, we need to draw the same clouds on
each with a bare minimum of communication. So, what is needed to generate the exactly same cloud. May be an initial seed for the random number generator, a
position and a size? We may need to identify such a set of parameters and may be we should have a peudo loader for osg producing this kind of clouds from
these parameters. The you would be able to load and use these clouds from fgviewer and see isolated statistics about the draw/cull whatever steps. This
might also help in understanding what is going on.<ref>{{cite web |url=http://www.mail-archive.com/flightgear-devel@lists.sourceforge.net/msg35147.html|title=<nowiki>Re: [Flightgear-devel] Trying to get more performance out of the 3D clouds!</nowiki>|author=Mathias Fröhlich|date=Wed, 07 Dec 2011 22:16:45 -0800}}</ref>|Mathias Fröhlich}}


== Implementation ==
== Implementation ==

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