Peter Popov <pet### [at] vipbg> wrote:
>>Is it also possible to create a bicubic with more than 16 points? If it is,
>>please give an example, because I'm a real beginner.

> No, it is not. You have to use several patches to do that.

  Your answer is technically correct, but a more helpful answer would have
been an explanation about how to use several bicubic patches to form a
larger surface with more control points. (The only problem is, naturally,
how to join patches seamlessly.)
  Perhaps I'll make a povQ&T entry about this...

-- 
#macro N(D)#if(D>99)cylinder{M()#local D=div(D,104);M().5,2pigment{rgb M()}}
N(D)#end#end#macro M()<mod(D,13)-6mod(div(D,13)8)-3,10>#end blob{
N(11117333955)N(4254934330)N(3900569407)N(7382340)N(3358)N(970)}//  - Warp -

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