Specific implementation of MaterialScan to do Spherical scanning.
More...
#include <MaterialScan.h>
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| MaterialScanSpherical (TFile *rootFile, const G4ThreeVector &origin, const ScanParams ¶ms, bool doCosTheta) |
| Create a Spherical Scan object with the given parameters. More...
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bool | createNext (G4ThreeVector &origin, G4ThreeVector &direction) override |
| Get the origin and direction for the next scan particle. More...
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int | getNRays () const override |
| Return the number of rays in this scan.
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void | UserSteppingAction (const G4Step *step) override |
| Record the material budget for each step of the particles.
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std::string | getName () const |
| Return the name of the scan.
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void | getRay (G4ThreeVector &origin, G4ThreeVector &direction) override |
| Create a ray with the current parameter values according to a spherical distribution.
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TH2D * | getHistogram (const std::string &name) |
| get histogram for a given name, create if needed. More...
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void | fillValue (const std::string &name, double value) |
| Fill the recorded material budget into the corresponding histogram. More...
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bool | checkStep (const G4Step *step) |
| check for stuck tracks by looking at the step length
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G4ThreeVector | m_origin |
| Origin for the spherical scan.
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bool | m_doCosTheta |
| Flag to indicate if polar-angular sampling is uniform in cos(theta) rather than theta.
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ScanParams | m_params |
| Parameters for the scan.
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double | m_curU |
| Current value of the parametetr u.
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double | m_stepU |
| Stepsize for the parameter u.
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double | m_curV |
| Current value of the parametetr v.
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double | m_stepV |
| Stepsize for the parameter v.
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double | m_curDepth |
| Tracklength of the current Ray.
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std::map< std::string, std::unique_ptr< TH2D > > | m_regions |
| Map holding pointers to all created histograms.
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TFile * | m_rootFile |
| Pointer to the root file for the histograms.
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std::string | m_name |
| Name of the scan, will be prefixed to all histogram names.
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std::string | m_axisLabel |
| Labels for the coordinate axes.
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int | m_zeroSteps {0} |
| Count the number of steps with (almost) zero length.
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static constexpr double | c_zeroTolerance = 1e-6 |
| maximum Step length to be considered zero
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static constexpr int | c_maxZeroStepsNudge = 10 |
| maximum number of consecutive zero steps before nudging the track along
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static constexpr int | c_maxZeroStepsKill = 20 |
| maximum number of consecutive zero steps before killing the track
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Specific implementation of MaterialScan to do Spherical scanning.
That is shooting rays from the origin with varying aximuth and polar angle.
Definition at line 167 of file MaterialScan.h.
◆ MaterialScanSpherical()
Create a Spherical Scan object with the given parameters.
- Parameters
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rootFile | pointer to the ROOT File containing the histograms |
origin | Origin for the spherical scan |
params | Parameters of the scan |
doCosTheta | |
Definition at line 175 of file MaterialScan.h.
◆ createNext()
bool createNext |
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G4ThreeVector & |
origin, |
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G4ThreeVector & |
direction |
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overridevirtualinherited |
Get the origin and direction for the next scan particle.
- Parameters
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[out] | origin | Origin of the next scan particle |
[out] | direction | Direction of the next scan particle |
- Returns
- false if the scan is finished
Implements MaterialScanBase.
Definition at line 99 of file MaterialScan.cc.
◆ fillValue()
void fillValue |
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const std::string & |
name, |
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double |
value |
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protectedinherited |
Fill the recorded material budget into the corresponding histogram.
- Parameters
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name | Name of the histogram |
value | Value to store |
Definition at line 140 of file MaterialScan.cc.
◆ getHistogram()
TH2D * getHistogram |
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const std::string & |
name | ) |
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protectedinherited |
get histogram for a given name, create if needed.
- Parameters
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name | Name of the histogram |
Definition at line 127 of file MaterialScan.cc.
The documentation for this class was generated from the following files: