| Re: Reading from TGeoManager does not work [message #13712 is a reply to message #13597] |
Thu, 05 July 2012 13:46   |
Mohammad Al-Turany
Messages: 518
Registered: April 2004
Location: GSI, Germany
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first-grade participant |
From: *gsi.de
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Hallo Volker,
| Quote: |
There are some straightforward bugs in FairModule::ConstructRootGeometry().
Line 257
n=v1->GetNode(0);
Since v1 is the volume to be copied (the node below the top node), this sets the node n to its first daughter, i.e. the second node level. Consequently, the wrong transformation matrix is applied when adding v1 to the cave.
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if you look at this same method few lines below you see:
TGeoMatrix* M = n->GetMatrix();
and when v1 is added to the cave you see:
So this is not really a problem and the right matrix is used.
If a medium is assigned whose material name does not correspond to a medium in the TGeoManager (i.e., present in media.geo), the method FairModule::AssignMediumAtImport will create a new medium with the same (material) name but empty properties and assign this to the respective volume. This leads (in my case) to a crash in the transport. It is hard to notice that since there is only a FairLogger output on debug level.
This is corrected now, if the media is not found in Media file or TGeoManager, it is a FATAL and it exit.
Using the TGeoManager is not working for now and we are trying to solve this problem.
regards,
Mohammad
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