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Re: Updated version of CbmGeanePro [message #6841 is a reply to message #6840] Thu, 05 June 2008 10:10 Go to previous message
Lia Lavezzi
Messages: 291
Registered: May 2007
Location: Torino
first-grade participant

Hi Sebastian,
the x-axis joins the hit to the pca, actually it goes from the hit to the pca.

I changed this because I saw that in the Propagate(CbmTrackParP *TStart, CbmTrackParP *TEnd, Int_t PDG) you added the "support for poca with points", i.e.:

if(fPCA==1){// point
TVector3 mom(TStart->GetPx(),TStart->GetPy(),TStart->GetPz());

so I thought you wanted to make your plane perpendicular to the track direction, is this correct?

Previously the vwi was set to (0,0,0) in the case of pca = 1 and so the fromwiretoextr axis (x-axis of the plane) was from (0,0,0) to the pca...

I hope this is ok...

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