Changeset 8490 for trunk/MagicSoft/Mars/NEWS

Timestamp:

05/11/07 11:25:46 (18 years ago)

Author:

tbretz

Message:

*** empty log message ***

File:

• trunk/MagicSoft/Mars/NEWS (modified) (1 diff)

trunk/MagicSoft/Mars/NEWS

@@ -23 +23 @@
      simplified the process of producing several movies from a single
      sequence with different setup.
+
+   - callisto: In MPedCalcPedRun (which is the pedestal extraction from
+     pedestal files) individual pixels could be skipped due to high
+     variations. This was already the case for the pedestal extraction
+     from th elo-gains since the beginning and properly handled
+     there, but was introduced in the extraction from the pedestal files
+     a while ago. To calculate the average value it was still divided
+     by the number of events procesed not by the number of summands
+     really summed. This let to a pedestal which was a tiny amount too
+     small (for a few piels in the order of 0.1%). This led to an slightly
+     positive offset of the randomly extracted pedestal for a few pixels.
+     I doubt that this has a big effect on the result, because the effect
+     on the individual numbers is quite small.
 
    - callisto: the ArrTimeRmsLimit is now is a check of the deviation from