On Mon, Jun 16, 2008 at 4:36 PM, Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC <[EMAIL PROTECTED]> wrote:
> > > > > ASSUMING your source data is geographic (e.g. WGS84) then you have a > Plate Carre projection and the conversion is simply: X=Lon, Y=Lat. If it > is not geographic, then you will have to use a library like PROJ.4 to > reproject it. > > The elevation source data is raw DTED format which uses WGS84. > > So if I want to reposition my airplane over the terrain, do I use lat/lon > coordinates to do that such as: > > airplaneXform->setPosition(osg::Vec3(-113.0, 33.0, altitude)) > > ? > That should work in this case, yes. Glenn -- Glenn Waldron : Pelican Mapping : http://pelicanmapping.com : 703-652-4791
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