AtLineChargeModel.h

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// Function to take in uncorrected position (VectorPoint3D) and return corrected position (vice/versa)
#ifndef ATLINECHARGEMODEL_H
#define ATLINECHARGEMODEL_H
 
#include "AtSpaceChargeModel.h"
 
#include <Math/Point3D.h>
#include <Math/Point3Dfwd.h>
class AtDigiPar;
 
using XYZPoint = ROOT::Math::XYZPoint;
 
class AtLineChargeModel : public AtSpaceChargeModel {
 
private:
   double fLambda{1.54e-8};   //< Magnitude of line charge [C/m]
   double fField{70000};      //< Magnitude of drift field [V/m]
   double fDetectorLength{1}; //< Length of detector [m]
   double fBeamRadius{.02};   //< Radius of beam region (don't correct inside this radius) [m]
   bool fLinearField{true};   //<If true the field grows linearly from the pad plane to the window.
 
public:
   AtLineChargeModel() = default;
   ~AtLineChargeModel() = default;
 
   virtual XYZPoint CorrectSpaceCharge(const XYZPoint &directInputPosition) override;
   virtual XYZPoint ApplySpaceCharge(const XYZPoint &reverseInputPosition) override;
   virtual void LoadParameters(const AtDigiPar *par) override;
 
   void SetDriftField(double field) { fField = field; }
   void SetConstantCharge() { fLinearField = false; }
   void SetLambda(double lambda) { fLambda = lambda; }
 
   double GetLambda() const { return fLambda; }
   double GetField() const { return fField; }
   double GetDetectorLength() const { return fDetectorLength; }
 
public:
   double getDist2(double dZ);
};
 
#endif