Question #658629 on Yade changed:
https://answers.launchpad.net/yade/+question/658629
Jan Stránský proposed the following answer:
(6) you can use this or similar function to create a cylindrical surface. Top
and bottom box is easy. Have a look at [1] for engines to use
###
from math import sin,cos
def cylSurf(center,radius,height,nSegments=12,thick=0,**kw):
"""creates cylinder made of boxes. Axis is parallel with z+"""
center = Vector3(center)
angles = [i*2*pi/nSegments for i in range(nSegments)]
pts = [center + Vector3(radius*cos(a),radius*sin(a),.5*height) for a in
angles]
ret = []
for i,pt in enumerate(pts):
l = pi*radius/nSegments
es = (.5*thick,l,.5*height)
ori = Quaternion((0,0,1),i*2*pi/nSegments)
ret.append(box(pt,es,ori,**kw))
return ret
surf = cylSurf((1,2,3),4,5,nSegments=12,thick=.1)
O.bodies.append(surf)
###
cheers
Jan
[1] https://github.com/yade/trunk/blob/master/examples/simple-scene
/simple-scene.py
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