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[Jérôme Duriez <question701699@xxxxxxxxxxxxxxxxxxxxx>]

Question #701699 on Yade changed:
https://answers.launchpad.net/yade/+question/701699

    Status: Open => Answered

Jérôme Duriez proposed the following answer:
Which shape would you like to describe in the end ? A cylinder or a
superellipsoid, or sthg else ?

For a cylinder, 
O.bodies.append(levelSetBody('disk',radius=1))
should do the trick, providing you a disk in (x,y) space (while being obviously z-invariant)

For a superllipsoid
O.bodies.append(levelSetBody('superellipsoid',extents = (1,2,3),epsilons = (0.5,1.5)))
will work.

In both cases, you do not need to use phiIniPy (which is to reserve for
cases not already handled by the shape attribute of levelSetBody)

PS: in the levelSetBody function, spacing and nSurfNodes are very
important parameters of LS shape description in YADE and are omitted in
the above only for simplicty, assuming default values are fine

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