Jim Wilson writes: > >Jon S Berndt <[EMAIL PROTECTED]> said: > >> On Wed, 3 Apr 2002 18:44:23 -0500 >> "Norman Vine" <[EMAIL PROTECTED]> wrote: >> >> >My take on this is that all we need is a 'fixed' position ie 'Center of >> >Geometry' returned by the FDM. This fixed position can be anywhere >> >on the AirFrame and it needs to be described more exactly in the >> >individual model's configuration >> >file so as the Viewer part of the program can do it's thing >> >> Yeah, I think that's where we're headed. > >> However, when reporting location (lat/lon/alt) we'd >> need to report NOT merely the location of the current >> aircraft CG, but the location of the current aircraft CG >> minus the delta from the original - i.e. the location of >> the original CG. (?) >> > >Ok, I think this means I can continue in the same direction with the viewer >code. It would be just a matter of editing xml to switch from using >/position/lat||lon||alt to somewhere else in the property tree, so if folks >want to experiment they can. As for the xyz viewer eyepoint offsets, those >will be in the /sim/view[x] tree(s) and can be set with aircraft-set.xml or >whatever else.
Right The Viewer Code HAS to assume that the position reported by the FDM is invariant with respect to the airframe or else the Viewer really is 'lost' So I would just carry on assuming this to be the case and hopefully the rest will get sorted out shortly. Cheers Norman _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
