Re: missing events from hdgeant

["Mark M. Ito" <marki@jlab.org>]

Thanks. Worked perfectly.

Richard Jones wrote:
> Mark,
>
> Yes, that feature is enabled/disabled by the somewhat verbose 
> compile-time switch
>
> #define WRITE_ONLY_IF_SOMETHING_WAS_SEEN
>
> in gout.F source file.  Just for fun sometime, you might do the 
> command "grep '# *define' *.F and browse to see what other 
> little-known behaviors are compile-time switchable in the code.
>
> From your particle gun command line below, I see that you have about 
> 10% of the pions going in the upstream direction outside the 
> acceptance of any of the detectors.  For these events, there are no 
> hits generated and so the default behavior is to not write them to the 
> hddm output file.  In fact, wasn't this a feature you requested?  In 
> any case, you can override the value in gout.F yourself, or perhaps 
> better, I can move definitions like this into a central "steering" 
> header file that contains all of these global-behavioristic defines in 
> one place, that gets included into all of the source files.  You might 
> want to bring this up with the offline group and see if there is a 
> consensus on how these should be treated.
> -Richard Jones
>
>
> Mark M. Ito wrote:
>> Folks,
>>
>> With the following particle gun config line:
>>
>> c   particle  momentum  theta  phi  delta_momentum delta_theta delta_phi
>> KINE   108      2.0       90.  0.      3.0              180.        360.
>>
>> I am missing about 10% of the event numbers in the hdgeant output 
>> file, i. e., I only get 1824 of the 2000 requested triggers, i. e., 
>> the first 10 events are:
>>
>>  <physicsEvent eventNo="2" runNo="9999">
>>  <physicsEvent eventNo="3" runNo="9999">
>>  <physicsEvent eventNo="4" runNo="9999">
>>  <physicsEvent eventNo="5" runNo="9999">
>>  <physicsEvent eventNo="6" runNo="9999">
>>  <physicsEvent eventNo="7" runNo="9999">
>>  <physicsEvent eventNo="8" runNo="9999">
>>  <physicsEvent eventNo="9" runNo="9999">
>>  <physicsEvent eventNo="10" runNo="9999">
>>  <physicsEvent eventNo="11" runNo="9999">
>>
>> What happened to event #1?
>>
>> I remember something about a feature that explains this. How do I 
>> turn off the feature? Is this documented somewhere? I would like to 
>> keep track of statistics including events with no hits, etc.
>>
>>  -- Mark
>>
>