Implementing a good idea by LNT: Draw the seams in the parameterisations of surfaces.  This is accessed with the syntax surf(F,'-'), where F is a chebfun2v of three components.  
Implementing a good idea by LNT: Draw the seams in the parameterisations of surfaces.  This is accessed with the syntax surf(F,'-'), where F is a chebfun2v of three components.  


chebfun/chebfun_v4,nickhale/chebfunV4