Stuart > Sent: 09 May 2013 21:41 > To: FlightGear developers discussions > Subject: Re: [Flightgear-devel] Syncing sim time > > Hi Jack, > > On Thu, May 9, 2013 at 3:57 PM, Jack wrote: > > Thanks to Jan Comans I've been able to sync the 3D clouds across three > instances of fgfs running on a multi-core machine. This, in turn, provides for > some very respectable frame rates of 40 to 50 fps per core with a three > projector system with older generation Nvidia boards ( GT430 and GT440 ) on > a 64bit I5 machine. The visuals will be just awesome once the collimated > display is completed later this year. > > Could you (or Jan) share with us what changes you had to make to allow > synchronization across multiple instances? I thought I'd added some code a > while back to make the pseudo-random number generator used start with > the same seed for a given 10 minute window to address this, but was never > in a position to test it myself. >
You did indeed add some code - and I have tested it here on 2 machines and on 2 instances on one machine. It doesn't seem to do what you intended. https://dl.dropboxusercontent.com/u/57645542/clouds.png I ensured that the 3D cloud settings were the same, using the same live data. Do I need to do anything else? Vivian ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. This 200-page book is written by three acclaimed leaders in the field. The early access version is available now. Download your free book today! http://p.sf.net/sfu/neotech_d2d_may _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
