Re: [Flightgear-devel] thermals gone ?
On Tuesday 15 November 2005 10:26 pm, Patrice Poly wrote: I've just tried the 0.9.9-pre3 ... but, what has happened to the thermal scenario ? I don't have pre-3 downloaded yet, but it works in pre-2. Do you have the file data/Data/AI/thermal_demo.xml ? Dave ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
Re: [Flightgear-devel] thermals gone ?
I don't have pre-3 downloaded yet, but it works in pre-2. Do you have the file data/Data/AI/thermal_demo.xml ? well, there simply wasn't isn't any Data/AI/ directory... I got it from CVS, now sgs233 starts. When over the KSFO tower, the netto vario indication increases, and I can see in the internal proprieties that /environment/wind-from-down[0] increases. We are in the thermal, it works. But the glider doesn't seem to be affected, vario remains stable, and altitude doesn't increase. I tried with higher values of thermal strengh - same. did you notice that too, or have I missed something ? A question: is it possible to send the wind-from-down property from another program ? I am crap as a coder, but it would be nice to have a thermals program running in background, sending values according to long/lat, and why not dynamically generating thermals according to wheather conditions :) ( I apologize if this was formerly discussed, i didn't find the tread in the lists ) Thanks again ! -- Patrice Poly Attention! Il y a des gens derrière les ordinateurs! ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
Re: [Flightgear-devel] thermals gone ?
--- Patrice Poly [EMAIL PROTECTED] wrote: A question: is it possible to send the wind-from-down property from another program ? Absolutely, though it would take a little bit of programming knowledge. FlightGear provides various methods of reading and writing to the property tree, from a telnet interface to XML. The file, README.IO is probably a good place to start. You'd need to write a program to read the lat/long properties from whatever interface you chose, then write them back. -Stuart ___ How much free photo storage do you get? Store your holiday snaps for FREE with Yahoo! Photos http://uk.photos.yahoo.com ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
Re: [Flightgear-devel] thermals gone ?
On Wednesday 16 November 2005 10:22 am, Patrice Poly wrote: well, there simply wasn't isn't any Data/AI/ directory... Oops, maybe the data/Data directory has been renamed? There was talk about this earlier. I'll check out pre3 and have a look. I got it from CVS, now sgs233 starts. When over the KSFO tower, the netto vario indication increases, and I can see in the internal proprieties that /environment/wind-from-down[0] increases. We are in the thermal, it works. But the glider doesn't seem to be affected, vario remains stable, and altitude doesn't increase. I tried with higher values of thermal strengh - same. There was a bug (my fault) that caused the thermal strength to max out at 1 fps, regardless of what the configuration entry said. I fixed it this morning and sent the fix in to Erik, who commited it. So, try a cvs update and rebuild and this should be fixed for you. The Netto should read about 8 knots when you're in the middle of the thermal. As far as automatic generation of thermals, that's been discussed from time to time. The thermal model currently supports only cylindrical thermals, so ridge lift is not possible (yet), and if it is in the future it probably won't be modeled with an AI object. In any case, automated thermal generation would require testing the tile underneath the airplane to see if that tile should have a rising or falling air mass, then some system will have to blend the edges together to prevent discontinuities at the tile boundaries. I doubt I'll ever be able to get to this. The current method can be used to create a good soaring experience though. I had considered expanding the thermal_demo scenario to include many thermals, and some sinks, around the SFO area so that you could soar all the way around around SFO bay. That wouldn't be hard - just need a map and a couple hours time :) One note: If you put multiple thermals in a scenario give them the same diameter. If you don't the AIManager may give you lift from the wrong thermal (it judges by the *center* of the thermal, not the edge). Dave Dave ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
Re: [Flightgear-devel] thermals gone ?
On Wednesday 16 November 2005 11:37 am, Dave Culp wrote: On Wednesday 16 November 2005 10:22 am, Patrice Poly wrote: well, there simply wasn't isn't any Data/AI/ directory... Oops, maybe the data/Data directory has been renamed? There was talk about this earlier. I'll check out pre3 and have a look. Yes, the data/Data directory is missing in pre3. Dave ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
Re: [Flightgear-devel] thermals gone ?
fixed ! Many thanks, now i'll try to build a thermals map around KSFO. I am also working on a ask13 model with aeromatics, mhh this is pretty hard but i'll let you know if this gives something. Regards -- Patrice Poly Attention! Il y a des gens derrière les ordinateurs! ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
[Flightgear-devel] thermals gone ?
Hi ! I've just tried the 0.9.9-pre3 Very nice 3d clouds indeed ! ( fliing around with the ufo is great :) but, what has happened to the thermal scenario ? i tried to fly the sgs233, but this leads to : 'terminate called after throwing an instance of 'sg_io_exception'' any ideas ? thanks -- Patrice Poly Attention! Il y a des gens derrière les ordinateurs! ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
