[Flightgear-devel] Detailed Simulation of Wing Forces

2009-07-21 Thread Christopher G. Prince
Hi,

We're working on a project to feed back information about airflow on 
a wing to the pilots skin (tactile feedback). Our project web page is 
here-- http://www.d.umn.edu/~cprince/PubRes/FbF/
Right now, we're pretty early in progress and working with simulated 
wings. I've started using XPlane to provide a simulation of wing 
airflow sensors-- by tapping into its simulation of lifting forces on 
the aircraft wing. Can Flight Gear do something similar? Can I get an 
array of data on lifting forces over the wing back from the 
simulator, in real time?

(I've looked through the flight gear manual some, and through the 
flight model docs some and can't see what I'm looking for).

Thanks!
Chris.

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Re: [Flightgear-devel] startup.nas

2009-07-21 Thread Torsten Dreyer
> Torsten Dreyer wrote:
> > Just commited a hack for envrionment_ctrl.cxx.
> >
> > It now waits for the first METAR to arrive before proceeding with the
> > initialization sequence. This prevents the nasal-dir-initialized signal
> > being fired before a METAR has arrived.
> >
> > I more and more like the idea of removing startup.nas and implenting the
> > automatic runway selection depending on METAR wind directly in the
> > METAR-subsystem, probably enabled by a property.
> >
> > I didn't mark the hack as "temporary" because temporary solutions usually
> > last longest ;-)
> >
> > For now, the message from startup.nas should have disappeared and
> > automatic runway selection based on METAR wind should work again.
> >
> > Torsten
>
> Hi Torsten,
>
> I still get the message from startup.nas at some airports.  Here is an
> example at KLMO, home base for the real N7764P.
Yep - me, too for KLMO. I'll look into soon.

Torsten

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Re: [Flightgear-devel] startup.nas

2009-07-21 Thread dave perry
Torsten Dreyer wrote:
> Just commited a hack for envrionment_ctrl.cxx. 
>
> It now waits for the first METAR to arrive before proceeding with the 
> initialization sequence. This prevents the nasal-dir-initialized signal being 
> fired before a METAR has arrived.
>
> I more and more like the idea of removing startup.nas and implenting the 
> automatic runway selection depending on METAR wind directly in the 
> METAR-subsystem, probably enabled by a property.
>
> I didn't mark the hack as "temporary" because temporary solutions usually 
> last 
> longest ;-)
>
> For now, the message from startup.nas should have disappeared and automatic 
> runway selection based on METAR wind should work again.
>
> Torsten
>
>   
Hi Torsten,

I still get the message from startup.nas at some airports.  Here is an 
example at KLMO, home base for the real N7764P.

[...@dadsoffice data]$ ./bin/fgfs --airport=KLMO --aircraft=pa24-250 
--fg-scenery=/home/dad/scenery --enable-real-weather-fetch
FGMultiplayMgr - No receiver port, Multiplayermode disabled
Nasal runtime error: nil used in numeric context
  at /usr/local/games/FlightGear/data/Nasal/startup.nas, line 12
  called from: /usr/local/games/FlightGear/data/Nasal/startup.nas, line 29
KI266 dme indicator #0 initialized
Nasal Electrical System Initialized

fgfs and SimGear updated from cvs yesterday.

Regards,
Dave P.

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