All functions
dem2mesh	Create a 3d mesh from raster data.
ellipsoidnormal	Calculate the surface normal vector at a specific point on an ellipsoid.
latlong2ellipsoid	Map latitude/longitude coordinates onto an ellipsoid. Vectorised.
mesh2stl mesh2obj mesh2ply mesh2webgl	Write mesh objects to various file formats.
xprod	Calculate vector crossproduct.