Project

General

Profile

Bug #1795

Z positions produced by Tracker Kalman not consistent

Added by Greis, Jan almost 7 years ago. Updated almost 7 years ago.

Status:
Open
Priority:
Normal
Category:
Tracker
Target version:
-
Start date:
11 November 2015
Due date:
% Done:

0%

Estimated time:
Workflow:
New Issue

Description

If I compare the z positions of the Tracker planes obtained via
MiceModule::globalPosition().getZ()
with those that come out of the Kalman, the behaviour is not consistent. I can send a beam through and get exact matching and then I send another beam through (same geometry etc.) and some of the z positions will be out by up to 0.3mm. Unfortunately this is just enough prevent identifying the tracker plane by the z position (while the plane is stored in the SciFiTrackPoint object, it is not stored in the global TrackPoint object)

#1

Updated by Greis, Jan almost 7 years ago

  • Category set to Tracker
#2

Updated by Heidt, Christopher almost 7 years ago

This might be a very old bug actually. If I remember correctly we never had spacepoints give a consistent z position. If this is still true it might be effecting Kalman.

Also available in: Atom PDF