Hi Shayne,
Thanks for your reply. I have tried a few different things and have a few
questions from that:
First of, when I try something like this:
Code:
osg::ref_ptr<osg::EllipsoidModel> em =
csnVisitor.coordinateSystemNode->getEllipsoidModel();
if(!em)
{
std::cout << "ellipsoid model is null\n";
}
//where csnVisitor has a data member storing coordsystemnode
To get over this, I need to set the ellipsoid model first and then try the
above. This seemed strange but since the ctor is overloaded, I didn't think
much of it. But now that the convertXYZToLatLong and vice versa are giving me
incorrect results, I am wondering if this maybe a cause??
Second, when I tried using a set of coords for which I had precomputed the
geocentric (XYZ) coords from lat-long using osgEarth, I got incorrect numbers.
Code:
csnVisitor.coordinateSystemNode->getEllipsoidModel()->
convertLatLongHeightToXYZ(osg::DegreesToRadians(42.291966f),
osg::DegreesToRadians(-83.715645f), 0.0f,
terrainPosition.x(), terrainPosition.y(),
terrainPosition.z());
double latitude, longitude, height;
csnVisitor.coordinateSystemNode->getEllipsoidModel()->convertXYZToLatLongHeight(276119.7034106,
4685765.312, 0.0,
latitude, longitude, height);
I think I have these functions right. But cannot figure out what maybe causing
this error.
Third, when I try to get the height above terrain like:
Code:
osgSim::HeightAboveTerrain::computeHeightAboveTerrain(terrain, terrainPosition)
//where terrain position is from the convert to XYZ function
This gives me a wrong height value.
I wanted to know what it is that I can check or that I maybe doing wrong. I
have attached the terrain file (osg) that I am using in case that helps.
Thank you
Sincerely,
Sanat.
------------------
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http://forum.openscenegraph.org/viewtopic.php?p=38350#38350
Attachments:
http://forum.openscenegraph.org//files/northcampus6levels_134.osg
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