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[Nicola <question693993@xxxxxxxxxxxxxxxxxxxxx>]

New question #693993 on Yade:
https://answers.launchpad.net/yade/+question/693993

Dear all,

I need to change the mask of  a clump cloud to make it invisible respect other elements. I tried two (SOLUTION 1 and 2) ways but didn't work.
Here's the cloud generation and the trials.
I don't know if could help, but this section is inside a function, user called (    def Fill()    ). 

### CODE
# r1,r2,r3 are only float numbers. 

    c1=SpherePack([((0,0,0),.5*r1),((0.5*r1,0,0),.7*r1),((r1,0,0),.5*r1)])
    c2=SpherePack([((0,0,0),.3*r3),((.2*r3,0,0),.3*r3),((0,0,.2*r3),.3*r3),((.2*r3,0,.2*r3),.3*r3)])
    c3=SpherePack([((0,0,0),.5*r2),((.3*r3,0,0),.5*r2),((0,0,.3*r3),.5*r2),])
    c4=SpherePack([((0,0,0),.25*r3)])
    
    sp=pack.SpherePack()
    sp.makeClumpCloud((.05,.8,.05),(1.95,4.5,.95),[c1,c2,c3,c4],periodic=False)
    sp.toSimulation()
    O.bodies.updateClumpProperties(discretization=20)

## SOLUTION 1

     for b in O.bodies:
            if b.isClump:
                b.mask=2
                b.shape.color=[0,1,0]       # just to visualize

## SOLUTION 2

    clumps=[]
    for i in O.bodies:
        if isinstance(i.shape,Clump): 
            clumps+=[i.id]

    for i in clumps:
           O.bodies[i].mask=2
           O.bodies[i].shape.color=[0,1,0]   # just to visualize

#########
Thanks for the help.

Regards,

Nicola

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