Belle II Software light-2406-ragdoll
MagneticFieldComponentConstant.h
1/**************************************************************************
2 * basf2 (Belle II Analysis Software Framework) *
3 * Author: The Belle II Collaboration *
4 * *
5 * See git log for contributors and copyright holders. *
6 * This file is licensed under LGPL-3.0, see LICENSE.md. *
7 **************************************************************************/
8
9#pragma once
10
11#include <framework/dbobjects/MagneticFieldComponent.h>
12
13namespace Belle2 {
20 public:
30 MagneticFieldComponentConstant(const ROOT::Math::XYZVector& field, float minR, float maxR, float minZ,
31 float maxZ): MagneticFieldComponent(false),
32 m_field(field), m_minR(minR), m_maxR(maxR), m_minZ(minZ), m_maxZ(maxZ) {}
34 explicit MagneticFieldComponentConstant(const ROOT::Math::XYZVector& field): MagneticFieldComponentConstant(field, 0,
35 std::numeric_limits<float>::infinity(), -std::numeric_limits<float>::infinity(),
36 std::numeric_limits<float>::infinity()) {}
38 bool inside(const ROOT::Math::XYZVector& pos) const override
39 {
40 const float r = pos.Rho();
41 const float z = pos.Z();
42 return (r >= m_minR && r <= m_maxR && z >= m_minZ && z <= m_maxZ);
43 }
45 ROOT::Math::XYZVector getField(__attribute((unused)) const ROOT::Math::XYZVector& pos) const override { return m_field; }
46 private:
48 ROOT::Math::XYZVector m_field;
50 float m_minR{0};
52 float m_maxR{0};
54 float m_minZ{0};
56 float m_maxZ{0};
59 };
61}; // Belle2 namespace
Describe one component of the Geometry.
bool inside(const ROOT::Math::XYZVector &pos) const override
return whether we are inside the active region for this component
MagneticFieldComponentConstant(const ROOT::Math::XYZVector &field)
constructor for unlimited field
ROOT::Math::XYZVector getField(__attribute((unused)) const ROOT::Math::XYZVector &pos) const override
return the field assuming we are inside the active region as returned by inside()
ClassDefOverride(MagneticFieldComponentConstant, 2)
ROOT dictionary.
float m_maxR
maximal R=sqrt(x^2+y^2) for which this field is present
float m_maxZ
maximal Z for which this field is present
MagneticFieldComponentConstant()
empty constructor for ROOT
ROOT::Math::XYZVector m_field
magnetic field strength
MagneticFieldComponentConstant(const ROOT::Math::XYZVector &field, float minR, float maxR, float minZ, float maxZ)
full constructor
float m_minZ
minimal Z for which this field is present
float m_minR
minimal R=sqrt(x^2+y^2) for which this field is present
Abstract base class for BField components.
Abstract base class for different kinds of events.
Definition: ClusterUtils.h:24
STL namespace.