Re: Electric potential / non-uniform electric field

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Argument Default value Alternative Comment

1 0 1 no text / full text of posting

2 1 All text for level 1 only / text for All postings

Argument	Default value	Alternative		Comment
1	0	1		no text / full text of posting
2	1	All		text for level 1 only / text for All postings

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Argument Default value Alternative Comment

1 2 1 2 levels / 1 level (original posting)

2 3 2 3 levels / 2 levels

3 3 All 3 levels / all levels (all postings)

Argument	Default value	Alternative	Comment
1	2	1	2 levels / 1 level (original posting)
2	3	2	3 levels / 2 levels
3	3	All	3 levels / all levels (all postings)

Try this:

G4FieldManager* pFieldMgrEF3 = new G4FieldManager();

G4ElectricField* PurgEl3Field= new TabulatedElField2D3D("MMPS_in_edit.txt",0,0,0);

G4EqMagElectricField* myEquationEF3 = new G4EqMagElectricField(PurgEl3Field);

G4MagIntegratorStepper* myStepperEF3 = new G4ClassicalRK4(myEquationEF3,8)

G4MagInt_Driver* myIntgrDriverEF3 = new G4MagInt_Driver(1.0e-3*mm,
                                               myStepperEF3,
                                               myStepperEF3->GetNumberOfVariables());

G4ChordFinder* myChordFinderEF3 = new G4ChordFinder(myIntgrDriverEF3);

pFieldMgrEF3->SetDetectorField(PurgEl3Field);

pFieldMgrEF3->SetChordFinder(myChordFinderEF3);

pFieldMgrEF3->SetFieldChangesEnergy(true);

logicVolume_in_question->SetFieldManager(pFieldMgrEF3,allLocal);

see also /examples/extended/field/field02 for how to define electric fields (albeit G4UniformElectricField) and /field03 of how to attach it to a logical volume (instead of using the GlobalFieldManager)