[Gate-users] Origin of STL file not preserved

ESLAM TAHA emtaha at kau.edu.sa
Tue Nov 15 17:23:16 CET 2022

Dear  Guillaume,

I used to have the same issue. After creating STLs with SOLIDWORKS and
importing them into Gate, I noticed that it is not positioned correctly
within Gate. I solved this issue by importing the STL into Windows 3D
Builder, where you can set the origin of the model to 0,0,0. After that, if
you import the STL model in Gate, it will be positioned correctly.

Best regards,

Eng. Eslam Mohammad Taha
Medical Physics Engineer
Nuclear Engineering Department
King Abdulaziz University
Jeddah, Saudi Arabia
Email: emtaha at kau.edu.sa <ebarzangy at stu.kau.edu.sa>

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On Tue, Nov 15, 2022 at 6:54 PM Josh Knowland <jknowland at lucernodynamics.com>

> Hello,
> I use the STL import quite a lot and have never had problems. What
> software are you using to make the STL files?
> If you would like, you can send me your STL files and I can try.
> -josh
> -----Original Message-----
> From: Gate-users <gate-users-bounces at lists.opengatecollaboration.org> On
> Behalf Of Houyoux Guillaume
> Sent: Tuesday, November 15, 2022 10:52 AM
> To: gate-users at lists.opengatecollaboration.org
> Subject: [Gate-users] Origin of STL file not preserved
> Dear users,
> I would like to import the geometry of an ionization chamber from a CAD
> software to a STL file in order to define it in GATE. I have to mention
> that I need all the pieces separately to attribute a different material to
> each one of them.
> However, it seems that GATE does not remember the origine of the space
> where the chamber was first created, leading to all the pieces being
> mispositioned in GATE.
> Does anybody has an idea how to bypass this issue ? Is it really an issue
> or am I doing something wrong ?
> Thank you in advance for your replies,
> Best regards,
> Guillaume.
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