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Parametric helical surface

  1. Aug 9, 2011 #1
    Dear colleagues,

    I am trying to parametrize a surface that follows an helix. The basic equations for this surface are:

    x = R1*cos(theta)
    y = R1*sin(theta)
    z = B1*theta + h

    where "theta" and "h" are the parameters and R1 and B1 are constants. I am looking for the parametrization of this surface, but skewed, so that the left and right edges (at theta_min and theta_max) are normal to the helix, instead of being parallel to Z (and the other 2 edges remain parallel to the helix).

    At the moment, I use a FOR loop to modify the vertices to skew my surface, but I was wondering if there was a more straightforward way, through a new parametrization.

    Best regards,
  2. jcsd
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