Re: [Flightgear-devel] How to lower how much scenery gets cached:

[Curtis O. <cur...@gm...>]

In the pre-osg version, I believe the cache size was scaled relative to the
visibility (i.e. for some particular visibilty, a certain number of tiles
need to be loaded in order to cover all the visible earth, and then the
cache was set to some number higher than that so that we wouldn't get
thrashing.)  I don't recall the exact formula ... maybe something like 2*n +
1 (where n is the number of visible tiles.)  I don't know if this concept
was carried forward to the OSG version ,but you might try limiting
visibility and that should reduce the number of tiles being loaded.

Regards,

Curt.


On Wed, Nov 12, 2008 at 4:51 PM, Michael Smith <mds...@hi...>wrote:

> Michael Smith wrote:
> > I have tried plenty of things to get fg to run on this old piece of
> > junk but I am getting tired only being able to fly water routes (i.e.
> > island to island). If I try to fly over land, it gets slower and
> > slower over time, so I want to know how to lower how much scenery gets
> > cached (not affraid to edit code here).
> >
> > Thanks
> >
> > Michael Smith <mds...@hi...>
> >
> >
> Anybody? I really want to know this.
>
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-- 
Curtis Olson: http://baron.flightgear.org/~curt/