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Re: Fieldmaps for the half current solenoid [message #14981 is a reply to message #14938] Fri, 19 July 2013 13:12 Go to previous messageGo to previous message
StefanoSpataro is currently offline  StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino
first-grade participant

From: *to.infn.it
Hi,
this would call for a change in the "field" package.
Now we call the field with:

PndMultiField *fField= new PndMultiField("FULL");


It would be possible to implement a new flag calling for half of the solenoid filed:

PndMultiField *fField= new PndMultiField("HALF");


However, one need to add:

a) one new solenoid map, with 1/2 field
b) two new sets of Transmap, one for 1.5 and the other for 3.0, used ONLY with the option "HALF"

In this way with "FULL" we use the standard maps, with half (working only between 1.5 and 3 GeV/c) we use the 1/2 field solenoid map. The code should be able to know that the solenoid field should never be interpolated. In reality neither the trans maps should be intepolated, but should be calculated each time...


I can suggest to work to implement such changes in the code, I don0t know if somebody else have smarter ideas.
Regards
 
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