Small updatte to BrDetectorTrack.cxx

From: Truls Martin Larsen (t.m.larsen@fys.uio.no)
Date: Wed Sep 25 2002 - 07:51:18 EDT

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    Hi everbody,

I just commited a small change to BrDetectorTrack::RelativeOverlap()
(which still needs to be used because this is what BrModuleMatchTrack 
stores...)

The function assumed that the direction z coordinate was 1, which it 
rarely is. It is usually between 0.98 and 1. So a "normalization" 
(dividing x and y coordinate with z) was added.
This was present in the (now) exact same function in BrLine3D.

This was a very small change so i did not change the revision number....

Regards,
     Truls


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