On Friday 25 March 2011 10:01:33 thorsten.i.r...@jyu.fi wrote: > > The main thing that bugs me with the system is that the view frustum > > culling > > around the edges of the screen is visible, so you continuously see the > > clouds being created and disappearing at the edges of the screen as you > > turn > > or change views. If it was once in a while I could live with it, but > > it's continuous and perpetual and distracts from the > > overall experience. :-( > > Hm, from the description this could be one of two things: > >.... > > 2) A while ago a video was posted here > > http://www.easy-share.com/1912919971/Clouds03.mpg > > which showed a view from the front window with many clouds. When the view > changed to the side window, for a second empty sky was visible, which then > rapidly filled with reloading cloud models. > > What you describe here sound pretty much like that, and that is very > annoying. > > It's not something I have ever seen on my computer, for me clouds behave > just as the default clouds, i.e. they are already there when I turn my > view, there is no culling and redrawing happening. For the case in the > video, I have verified that the effect doesn't come from within Local > Weather (I asked to switch off all Nasal loops which load and unload > clouds, and the effect remained unchanged). > > My suspicion is that it is generic at least for Nasal-spawned models, i.e. > if you would place 1000 objects with the ufo around you and turn the view > rapidly, you would see the same thing. > > I have never been to observe it in either 2.0.0 or any of my GIT pulls and > with no version of OSG I've ever compiled against. In short I have no clue > what it is, but I know that the problem lies outside the Local Weather > package. > > * Thorsten > This happens here as well (nVidia 8600GT (256MB VRAM) on linux). Now that I think of it it looks and behaves like graphics card memory bandwidth issue, maybe it is cured with the image cache set with CACHE_ALL? as by adding some more sistem RAM things haven't improved here.
At one point I thought it was because of your code, as I remember something about a custom "culling" thing in there (maybe I remember wrong, or understood something wrong). ------------------------------------------------------------------------------ Enable your software for Intel(R) Active Management Technology to meet the growing manageability and security demands of your customers. Businesses are taking advantage of Intel(R) vPro (TM) technology - will your software be a part of the solution? Download the Intel(R) Manageability Checker today! http://p.sf.net/sfu/intel-dev2devmar _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
