enum Type { kSurfaceProjection = 0, kSurfaceBoundedPlane = 1, kSurfaceUnboundedPlane = 2, kSurfaceRight_CIRCULAR_Cylinder = 3, kSurfaceRight_CIRCULAR_Cone = 4, kSurfaceTabulatedCylinder = 5, kSurfaceTabulatedCone = 6, kSurfaceConvolute = 7, kSurfaceRevolution = 8, kSurfaceWarped = 9 };