evalPoint 

Returns the point corresponding to the parameter pair.
 

getEnvelope 

 

getGeSurface 

Returns the GeSurface of this object.
 

getGeSurfaceType 

Returns the GeSurfaceType of the current surface. 

getOrientFlag 

 

getSurfaceAsNurb 

Returns false. 

paramOf 

Returns the 2D pair of parameter values of a point on this surface.
 

projectPntToSurf 

Returns projection of the point to surface and distance between projection and the point.