Manuel Massing writes: > > > I think an abstract Terrain API is a great idea however please > > keep in mind that FlightGear uses a round earth model and that > > this should be reflected in any FGFS Terrain API > > > Is this methodology you want to integrate ? > > http://cg.cs.uni-bonn.de/docs/publications/2004/wahl-2004-scalable.pdf > > yes, that's it.
In the paper this appears to be based on a 'flat Earth' model i.e. lon lat are taken to be simple X, Y or Cos(medianX)*X,Y Perhaps I am missing something or you have extended the engine since this was written ? Are you folks familiar with this work http://globe.sintef.no/documentation/projection.html Cheers Norman _______________________________________________ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
