Bug? G4Exception : Analysis_W001

Recording, Visualizing and Persisting Data
1

Hi,
there is a bug with the /analysis/h2/setX commad.

Version Geant4 11.1.2
examples/extended/eventgenerator/exgps/macros/test01.mac

This macro with added line /control/verbose 1 results to:

### Run 0 starts.
... set ntuple merging row mode : row-wise - done
... create file : test01.root - done
... open analysis file : test01.root - done
... open analysis file : test01.root - done
G4WT0 > /analysis/setFileName test01
G4WT0 > /analysis/h1/set 3 110 -1.1 1.1 none
G4WT0 > /analysis/h1/set 4 130 -15 375 deg
G4WT0 > /analysis/h2/setX 4 120 0 360 deg
G4WT0 > /analysis/h2/setY 4 100 -1 1 none
G4WT0 > 
-------- WWWW ------- G4Exception-START -------- WWWW -------
*** G4Exception : Analysis_W001
      issued by : G4Analysis::CheckDimension
Illegal value of number of x bins: nbins <= 0.
*** This is just a warning message. ***
-------- WWWW -------- G4Exception-END --------- WWWW -------

G4WT0 > 
-------- WWWW ------- G4Exception-START -------- WWWW -------
*** G4Exception : Analysis_W001
      issued by : G4Analysis::CheckDimension
Illegal value of x (min >= max)
*** This is just a warning message. ***
-------- WWWW -------- G4Exception-END --------- WWWW -------

G4WT0 >
-------- WWWW ------- G4Exception-START -------- WWWW ------- 
*** G4Exception : Analysis_W001
      issued by : G4Analysis::CheckDimension
Illegal value of number of y bins: nbins <= 0.
*** This is just a warning message. ***
-------- WWWW -------- G4Exception-END --------- WWWW ------- 

G4WT0 >
-------- WWWW ------- G4Exception-START -------- WWWW ------- 
*** G4Exception : Analysis_W001
      issued by : G4Analysis::CheckDimension
Illegal value of y (min >= max)
*** This is just a warning message. ***
-------- WWWW -------- G4Exception-END --------- WWWW ------- 

G4WT0 > /run/printProgress 10000

But replacing the two lines with the third:

#/analysis/h2/setX 4 120 0 360 deg 
#/analysis/h2/setY 4 100 -1 1 none 
/analysis/h2/set 4 120 0 360 deg none linear 100 -1 1 none none linear

everything works fine.

### Run 0 starts.
... set ntuple merging row mode : row-wise - done
... create file : test01.root - done
... open analysis file : test01.root - done
... open analysis file : test01.root - done
G4WT0 > /analysis/setFileName test01
G4WT0 > /analysis/h1/set 3 110 -1.1 1.1 none
G4WT0 > /analysis/h1/set 4 130 -15 375 deg
G4WT0 > /analysis/h2/set 4 120 0 360 deg none linear 100 -1 1 none none linear
G4WT0 > /run/printProgress 10000

This Bug is not in version 11.0.0

Please, can someone confirm this behavior?

Best regards
Henning

2

Hello,

Thank you for reporting this problem.

There is indeed a bug introduced in 11.1. with reorganisation of the analysis messenger classes. I will prepare a fix for the next patch.

Thank you for

3

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