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Keywords: tracking step short
Forum: Event and Track Management
Re: Question To get shorter tracking step (Takefumi Sora)
Date: 21 Dec, 2002
From: michel maire <michel maire>

User Takefumi Sora wrote:

>> Hi
>> 
>> I coded geometries in GEANT4. But because it is simple, 
>> there are large distace between detectors.
>> Thus, tracking step become long and even low-Pt particle
>> go straight long distance in magnetic field.
>> 
>> To avoid the trouble, I added dummy volumes which are thin and 
>> made of vacuum and I get shorter tracking step.
>> 
>> Does anybody know easier way to get shorter tracking step ?
>> 

1) you can use the class G4UserLimits. An example is in examples/extended/electromagnetic/TestEm3/src/Em3DetectorContruction.cc (and the associated messenger)

2) See also the same forum (Event and Track Management), item 64

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1 Ok: Thanks   (Takefumi Sora - 22 Dec, 2002)
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