fix for a small overlap
authormasera <massimo.masera@cern.ch>
Tue, 2 Sep 2014 09:10:49 +0000 (11:10 +0200)
committermasera <massimo.masera@cern.ch>
Tue, 2 Sep 2014 09:10:49 +0000 (11:10 +0200)
ITS/UPGRADE/AliITSUv1Layer.cxx

index 033f879..dc580f7 100644 (file)
@@ -2516,7 +2516,7 @@ TGeoVolume* AliITSUv1Layer::CreateSpaceFrameOuterB1(const TGeoManager *mgr){
                                    -beamPhiPrime*TMath::RadToDeg(), -90);
 
   TGeoCombiTrans *beamTransf[8];
-  xpos = 0.5*triangleHeight*TMath::Tan(halfTheta);
+  xpos = 0.49*triangleHeight*TMath::Tan(halfTheta);//was 0.5, fix small overlap
   ypos = staveBeamRadius/2;
   zpos = seglen/8;
   beamTransf[0] = new TGeoCombiTrans( xpos, ypos,-3*zpos, beamRot1);