NRBTRANSP: Transpose a NURBS surface, by swapping U and V directions. Calling Sequence: tsrf = nrbtransp(srf) Parameters: srf : NURBS surface, see nrbmak. tsrf : NURBS surface with U and V diretions transposed. Description: Utility function that transposes a NURBS surface, by swapping U and V directions. NURBS curves cannot be transposed.