On Fri, 2002-03-15 at 09:47, Andy Ross wrote:
> Norman Vine wrote:
>  > Jon S Berndt wrote:
>  > > David Megginson wrote:
>  > > > That's good news -- I'd like to encourge the FDM writers to query
>  > > > separately for each gear now, at least for the wheels and skids (crash
>  > > > points aren't as serious).
>  > >
>  > > So, when querying, would we supply the lat/lon/radius of each bogey
>  > > of interest, then get the height above ground?
>  >
>  > Easier, well at least faster, then that
>  >
>  > The fgCurrentElev() routine takes
>  > sgdVec3 abs_view_pos as its first argument
> 
> This is correct only so long as the gear struts are pointing straight
> down, with many aircraft (even at their touchdown attitude) this isn't
> the case.  How much harder would it be to give you a gear location and
> an extension vector, and get the intersection of that vector and the
> normal at that location?  This would better simulate things like
> crosswing landings and ski jumps.

I'm not seeing what you're saying Andy.  Why wouldn't a vector
describing the location of the tire contact point be sufficient?

> 
> Andy
> 
> -- 
> Andrew J. Ross                NextBus Information Systems
> Senior Software Engineer      Emeryville, CA
> [EMAIL PROTECTED]              http://www.nextbus.com
> "Men go crazy in conflagrations.  They only get better one by one."
>   - Sting (misquoted)
> 
> 
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