Expand cylinder to a surface

  1. Hi!

    help me please in expanding cylinder to surface.
    I mean, I have cylinder:
    Code (Text):

    x = 3Cos(u)
    y = v
    z = 3Sin(u)

    I guess now I need to find some functions instead of
    Code (Text):
    3Cos(u), v, 3Sin(u)
    that will a point on surface (not 3d space), something like this.

    PS: the example of my task is a globe transformed to a surface as map.

    Appreciate your help, Alexandr.
  2. jcsd
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