On Sat, 2002-02-16 at 14:11, Martin van Beilen wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > On Sat, Feb 16, 2002 at 12:59:55PM -0800, Tony Peden wrote: > > > From is the accepted convention in aviation, hopefully that's what > > JSBSim treats as positive. I'll attempt to verify later. > > No need to verify. JSB does indeed use 'from' vectors. However, > both LaRCSim and YASim use 'to' vectors. > > Please note that there is a difference between fgfs's internal > representation of wind, and the way it is set by the user. As an > engineer, I am partial to using 'to' vectors internally.
Yup, that is more mathematically correct. That is > internally consistent, unless you are going to tell me that > aircraft headings are also represented as 'from' vectors. > > Either way, I think we should make a choice, document it, and > stick to it. It's not very desirable to have FDM's disagreeing > with one another. I think the choice has been made. I'm sure Andy use 'to' vectors in YASim for the reasons you state above. > > - -- > Regards, "I RADIS, do you?" > =Martin= http://www.iradis.org/ > > PGP: FE87448B DDF8 677C 9244 D119 4FE0 AE3A 37CF 3458 FE87 448B > > > Date: Sat, 16 Feb 2002 23:11:29 +0100 > From: Martin van Beilen <[EMAIL PROTECTED]> > To: [EMAIL PROTECTED] > Subject: Re: [Flightgear-devel] Wind confusion. > In-Reply-To: <1013893195.12097.20.camel@raptor>; from [EMAIL PROTECTED] on Sat, >Feb 16, 2002 at 12:59:55PM -0800 > X-S-Issue: [EMAIL PROTECTED] 2002/02/16 23:15:38 >606387351df89db731faade60f788f37 > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.0.6 (GNU/Linux) > > iEYEARECAAYFAjxu2hEACgkQN880WP6HRIt8MwCfVOK1BaSJ+UdiH0AjwUh569MA > EqoAoLPiCCdZlsyEKDMMid7SfBY3RsZY > =v/Mc > -----END PGP SIGNATURE----- > > _______________________________________________ > Flightgear-devel mailing list > [EMAIL PROTECTED] > http://mail.flightgear.org/mailman/listinfo/flightgear-devel -- Tony Peden [EMAIL PROTECTED] We all know Linux is great ... it does infinite loops in 5 seconds. -- attributed to Linus Torvalds _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
