89 return ( _object != 0 );
bool getObject(int _identifier, BSplineCurveObject *&_object)
BSplineSurfaceObject * bsplineSurfaceObject(BaseObjectData *_object)
Cast an BaseObject to a BSplineSurfaceObject if possible.
bool dataType(DataType _type) const
BSplineSurface * splineSurface(BaseObjectData *_object)
Get a Bspline Surface from an object.
#define DATA_BSPLINE_SURFACE
BSplineSurface * splineSurface()
return a pointer to the spline curve