[Gate-users] attach crystal problem

[Anne Sauve]

Hello Gaters,

I am doing pinhole SPECT. The geometry seems good but
I have a problem with attaching my crystal and I can't find why.
The example given in BenchSPECT.mac works fine on my vgate6 version of gate
and there is in it
/gate/systems/SPECThead/crystal/attach crystal 
the command works just fine there
So I know the problem is in my code. (See attachment)

When I try to attach my crystal to my Boxhead with my pinhole collimator
I get 
command </gate/systems/Boxhead/crystal/attach crystal> not found.
I have checked that Boxhead contains my entire collimator and detector
and I don't find in the archive anything about attach problem.
I can't find in the user manual the solution of my problem either.

Has anyone encounter this problem before?
Any hints ?

Thanks,
Anne
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