FieldTypes.h

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//==========================================================================
//  AIDA Detector description implementation 
//--------------------------------------------------------------------------
// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
// All rights reserved.
//
// For the licensing terms see $DD4hepINSTALL/LICENSE.
// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
//
// Author     : M.Frank
//
//==========================================================================
#ifndef DD4HEP_FIELDTYPES_H
#define DD4HEP_FIELDTYPES_H
 
// Framework include files
#include <DD4hep/Fields.h>
#include <DD4hep/Shapes.h>
 
// C/C++ include files
#include <vector>
 
namespace dd4hep {
 
 
  class ConstantField : public CartesianField::Object {
  public:
    enum { FIELD_LOCAL = 1, FIELD_TRANSLATED = 2, FIELD_ROTATED = 4 };
    Direction     direction;
    Solid         volume      { };
    Transform3D   inverse_pos { };
    unsigned char flag       { 0 };
  public:
    ConstantField() = default;
    virtual void fieldComponents(const double* /* pos */, double* field);
  };
 
 
  class SolenoidField : public CartesianField::Object {
  public:
    double innerField;
    double outerField;
    double minZ;
    double maxZ;
    double innerRadius;
    double outerRadius;
 
  public:
    SolenoidField();
    virtual void fieldComponents(const double* pos, double* field);
  };
 
 
  class DipoleField : public CartesianField::Object {
  public:
    double zmax;
    double zmin;
    double rmax;
    Coefficents coefficents;
  public:
    DipoleField();
    virtual void fieldComponents(const double* pos, double* field);
  };
 
 
  class MultipoleField : public CartesianField::Object {
  public:
    Coefficents  coefficents { };
    Coefficents  skews       { };
    Solid        volume      { };
    Transform3D  transform   { };
    Transform3D  inverse     { };
    Rotation3D   rotation    { };
    double       B_z         { 0e0 };
 
  private:
    unsigned char flag       { 0 };
    Transform3D::Point translation { };
    double aabb_min[3]       { 0, 0, 0 };
    double aabb_max[3]       { 0, 0, 0 };
  public:
    MultipoleField();
    virtual void fieldComponents(const double* pos, double* field);
  };
 
}         /* End namespace dd4hep             */
#endif // DD4HEP_FIELDTYPES_H