Re: [Yade-users] [Question #294908]: Remove Spheres Randomicaly from Pack

[Luis Barbosa]

Question #294908 on Yade changed:
https://answers.launchpad.net/yade/+question/294908

Luis Barbosa posted a new comment:
Hi Jan,

Working on it!

Thanks.
Luis

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Re: [Yade-users] [Question #294908]: Remove Spheres Randomicaly from Pack

[Jan Stránský]

Question #294908 on Yade changed:
https://answers.launchpad.net/yade/+question/294908

Jan Stránský proposed the following answer:
Hi Luis,
I like the approach of Veljko.
Aternativally you can implement something like removeRandom() method, but
it would need some c++ coding (as the core of SpherePack is implemented in
c++)
cheers
Jan


2016-06-06 12:58 GMT+02:00 velimier :

> Question #294908 on Yade changed:
> https://answers.launchpad.net/yade/+question/294908
>
> Status: Open => Answered
>
> velimier proposed the following answer:
> Hi,
> maybe you can randomly append spheres from packing but excluding certain
> number of spheres.
>
> from yade import pack
> import random
>
> sp = SpherePack()
> sp = pack.regularOrtho(pack.inAlignedBox((0,0,0),(1,1,1)),radius=.05,gap=0)
>
> n=350 #number of spheres to exclude
>
> #randomly append spheres from packing
> for i in range(0, len(sp)-n):
> b = sp[random.randint(0,len(sp)-1)]
> O.bodies.append(b)
> sp.remove(b)
>
> Hope it suits your need,
> Veljko
>
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Re: [Yade-users] [Question #294908]: Remove Spheres Randomicaly from Pack

[velimier]

Question #294908 on Yade changed:
https://answers.launchpad.net/yade/+question/294908

Status: Open => Answered

velimier proposed the following answer:
Hi,
maybe you can randomly append spheres from packing but excluding certain number 
of spheres. 

from yade import pack
import random

sp = SpherePack()
sp = pack.regularOrtho(pack.inAlignedBox((0,0,0),(1,1,1)),radius=.05,gap=0)

n=350 #number of spheres to exclude

#randomly append spheres from packing
for i in range(0, len(sp)-n):
b = sp[random.randint(0,len(sp)-1)]
O.bodies.append(b)
sp.remove(b)

Hope it suits your need,
Veljko

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[Yade-users] [Question #294908]: Remove Spheres Randomicaly from Pack

[Luis Barbosa]

New question #294908 on Yade:
https://answers.launchpad.net/yade/+question/294908

Hi everyone,

After creating a packing of spheres, I would like to remove randomicaly some 
spheres from inside the pack.

Does anyone has some experience on this?

Thanks,
Luis

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