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Re: How to get the orientation of a detector element? [message #11487 is a reply to message #11486] Thu, 10 February 2011 17:37 Go to previous messageGo to previous message
StefanoSpataro is currently offline  StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino
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From: *
the following code was used some time ago for MVD, before using the geometry handler. Maybe it could be useful in your case, remember that EMC crystals are not TGeoBBox but somehting else (TGeoTrap?)

      TVector3 mvdPos;
      TGeoNode *mvdNode = (TGeoNode*)gGeoManager->FindNode(mvdHit->GetX(), mvdHit->GetY(), mvdHit->GetZ());
      TGeoVolume *mvdVol = (TGeoVolume*)mvdNode->GetVolume();
      TGeoBBox* actBox = (TGeoBBox*)(mvdVol->GetShape()); // volume of the MVD strip/pixel
      TGeoMatrix* mvdGeoRot = (TGeoMatrix*)mvdNode->GetMatrix();
      const Double_t *rotM = mvdGeoRot->GetRotationMatrix();
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