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Measuring in GUI or with root-to-step [message #9954]

Thu, 14 January 2010 14:58

Lars Schmitt
Messages: 47
Registered: April 2004
Location: GSI

continuous participant

From: *gsi.de

Hi Mohammad and others,

Bernd is looking for a way to crosscheck the geometry of detectors in PANDAroot
with the "official" mechanical layout. I vaguely remember that you mentioned that
someone is developing a root-to-step converter to load the geometry in a CAD
program. Essentially the need would be to able to measure arbitrary points,
edges or planes of the complete geometry. CAD programs have this built in.
So a measurement and comparison would be straightforward. Or is there a
GUI toolkit to do this within ROOT?

Cheers,

Lars

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Re: Measuring in GUI or with root-to-step [message #9957 is a reply to message #9954]

Thu, 14 January 2010 17:49

Mohammad Al-Turany
Messages: 518
Registered: April 2004
Location: GSI, Germany

first-grade participant

From: *dip.t-dialin.net

Hi,

What we have is only the CAD to ROOT converter written by Tobias, the opposite direction does not exist for us or any other experiment. At CERN there is now a student working on the conversion ROOT to CAD. They ask us if we can collaborate with them but we did not see any real use case at that time and non of us (Tobias and me) have really time to take care of such a thing.

Measuring arbitrary points and planes in ROOT is not foreseen, and me personally I don't know about anything in ROOT in this direction. In the TGeo description of geometry you have only volumes in hierarchical structure and you could only get the volume parameters and rotation and transportation matrices but I think this is not what you need.

regards

Mohammad

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