286 lines
11 KiB
C++
286 lines
11 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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////////////////////////////////////////////////////////////////////////
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// G4OpticalSurface Definition
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////////////////////////////////////////////////////////////////////////
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//
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// File: G4OpticalSurface.hh
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// Description: A optical surface class for use in G4OpBoundaryProcess
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// Version: 2.0
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// Created: 1997-06-26
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// Author: Peter Gumplinger
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// Updated: 1999-10-29 add method and class descriptors
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// 2017-02-24 Mariele Stockhoff add DAVIS model
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//
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// Class Description:
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// A optical surface class for use in the G4OpBoundaryProcess class.
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// Contains the enumerations: G4OpticalSurfaceFinish, G4OpticalSurfaceType,
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// and G4OpticalSurfaceModel.
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////////////////////////////////////////////////////////////////////////
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#ifndef G4OpticalSurface_h
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#define G4OpticalSurface_h 1
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#include "G4Physics2DVector.hh"
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#include "G4SurfaceProperty.hh"
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#include "G4Types.hh"
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// clang-format off
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enum G4OpticalSurfaceFinish
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{
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polished, // smooth perfectly polished surface
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polishedfrontpainted, // smooth top-layer (front) paint
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polishedbackpainted, // same is 'polished' but with a back-paint
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ground, // rough surface
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groundfrontpainted, // rough top-layer (front) paint
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groundbackpainted, // same as 'ground' but with a back-paint
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// for LBNL LUT model
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polishedlumirrorair, // mechanically polished surface, with lumirror
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polishedlumirrorglue, // mechanically polished surface, with lumirror &
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// meltmount
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polishedair, // mechanically polished surface
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polishedteflonair, // mechanically polished surface, with teflon
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polishedtioair, // mechanically polished surface, with tio paint
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polishedtyvekair, // mechanically polished surface, with tyvek
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polishedvm2000air, // mechanically polished surface, with esr film
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polishedvm2000glue, // mechanically polished surface, with esr film &
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// meltmount
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etchedlumirrorair, // chemically etched surface, with lumirror
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etchedlumirrorglue, // chemically etched surface, with lumirror & meltmount
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etchedair, // chemically etched surface
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etchedteflonair, // chemically etched surface, with teflon
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etchedtioair, // chemically etched surface, with tio paint
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etchedtyvekair, // chemically etched surface, with tyvek
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etchedvm2000air, // chemically etched surface, with esr film
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etchedvm2000glue, // chemically etched surface, with esr film & meltmount
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groundlumirrorair, // rough-cut surface, with lumirror
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groundlumirrorglue, // rough-cut surface, with lumirror & meltmount
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groundair, // rough-cut surface
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groundteflonair, // rough-cut surface, with teflon
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groundtioair, // rough-cut surface, with tio paint
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groundtyvekair, // rough-cut surface, with tyvek
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groundvm2000air, // rough-cut surface, with esr film
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groundvm2000glue, // rough-cut surface, with esr film & meltmount
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// for DAVIS model
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Rough_LUT, // rough surface
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RoughTeflon_LUT, // rough surface wrapped in Teflon tape
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RoughESR_LUT, // rough surface wrapped with ESR
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RoughESRGrease_LUT, // rough surface wrapped with ESR
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// and coupled with optical grease
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Polished_LUT, // polished surface
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PolishedTeflon_LUT, // polished surface wrapped in Teflon tape
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PolishedESR_LUT, // polished surface wrapped with ESR
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PolishedESRGrease_LUT, // polished surface wrapped with ESR
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// and coupled with optical grease
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Detector_LUT // polished surface with optical grease
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};
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enum G4OpticalSurfaceModel
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{
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glisur, // original GEANT3 model
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unified, // UNIFIED model
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LUT, // Look-Up-Table model (LBNL model)
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DAVIS, // DAVIS model
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dichroic // dichroic filter
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};
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// clang-format on
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class G4MaterialPropertiesTable;
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class G4OpticalSurface : public G4SurfaceProperty
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{
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public:
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// Constructor of an optical surface object.
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G4OpticalSurface(const G4String& name, G4OpticalSurfaceModel model = glisur,
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G4OpticalSurfaceFinish finish = polished, G4SurfaceType type = dielectric_dielectric,
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G4double value = 1.0);
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~G4OpticalSurface() override;
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G4OpticalSurface(const G4OpticalSurface& right);
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G4OpticalSurface& operator=(const G4OpticalSurface& right);
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G4bool operator==(const G4OpticalSurface& right) const;
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G4bool operator!=(const G4OpticalSurface& right) const;
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void SetType(const G4SurfaceType& type) override;
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// Returns the optical surface finish.
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inline G4OpticalSurfaceFinish GetFinish() const { return theFinish; }
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// Sets the optical surface finish.
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void SetFinish(const G4OpticalSurfaceFinish);
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// Returns the optical surface model used.
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inline G4OpticalSurfaceModel GetModel() const { return theModel; }
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// Sets the optical surface model to be followed.
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inline void SetModel(const G4OpticalSurfaceModel model) { theModel = model; }
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// Returns an unified model surface parameter.
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inline G4double GetSigmaAlpha() const { return sigma_alpha; }
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// Sets an unified model surface parameter.
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inline void SetSigmaAlpha(const G4double s_a) { sigma_alpha = s_a; }
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// Returns the optical surface polish type.
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G4double GetPolish() const { return polish; }
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// Sets the optical surface polish type.
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inline void SetPolish(const G4double plsh) { polish = plsh; }
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// Retrieves the pointer of the G4MaterialPropertiesTable
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// attached to optical surface.
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inline G4MaterialPropertiesTable* GetMaterialPropertiesTable() const
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{
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return theMaterialPropertiesTable;
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}
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// Attaches a G4MaterialPropertiesTable to the optical surface.
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inline void SetMaterialPropertiesTable(G4MaterialPropertiesTable* anMPT)
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{
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theMaterialPropertiesTable = anMPT;
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}
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// Prints information about the optical surface.
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void DumpInfo() const;
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// call the correct ReadXXXFile
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void ReadDataFile();
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// read a zlib-compressed file
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void ReadCompressedFile(const G4String&, std::istringstream&);
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// Method to read the Look-Up-Table into array AngularDistribution
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void ReadLUTFile();
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// for DAVIS model
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inline G4double GetAngularDistributionValue(G4int, G4int, G4int);
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// Returns the AngularDistributionValue
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inline G4double GetAngularDistributionValueLUT(G4int);
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// Method to read the Davis Look-Up-Table into array AngularDistribution
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void ReadLUTDAVISFile();
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// Method to read the Look-Up-Table for reflectivity
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void ReadReflectivityLUTFile();
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// Returns the reflectivity value from the Davis Look-Up-Table
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inline G4double GetReflectivityLUTValue(G4int);
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// Returns the number of lines in the Davis Look-Up-Table
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G4int GetInmax() const;
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// Returns the number of probability values per incidentangle
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G4int GetLUTbins() const;
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// Returns the number of reflectivity values per angle
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G4int GetRefMax() const;
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G4int GetThetaIndexMax() const;
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G4int GetPhiIndexMax() const;
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// Method to read the dichroic surface data file into Dichroic
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void ReadDichroicFile();
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inline G4Physics2DVector* GetDichroicVector();
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private:
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G4OpticalSurfaceModel theModel; // Surface model
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G4OpticalSurfaceFinish theFinish; // Surface finish
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G4double sigma_alpha; // The sigma of micro-facet polar angle
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G4double polish; // Polish parameter in glisur model
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G4MaterialPropertiesTable* theMaterialPropertiesTable{nullptr};
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static const G4int incidentIndexMax = 91;
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static const G4int thetaIndexMax = 45;
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static const G4int phiIndexMax = 37;
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G4float* AngularDistribution;
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G4Physics2DVector* DichroicVector;
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// for DAVIS model
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static const G4int indexmax = 7280001; // 3640001;
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static const G4int RefMax = 90;
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static const G4int LUTbins = 20000;
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G4float* AngularDistributionLUT;
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G4float* Reflectivity;
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};
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////////////////////
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// Inline methods
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////////////////////
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inline G4double G4OpticalSurface::GetAngularDistributionValue(
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G4int angleIncident, G4int thetaIndex, G4int phiIndex)
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{
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G4int product = angleIncident * thetaIndex * phiIndex;
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if (product < 0 || product >= incidentIndexMax * thetaIndexMax * phiIndexMax) {
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G4ExceptionDescription ed;
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ed << "Index angleIncident: " << angleIncident << " thetaIndex: " << thetaIndex
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<< " phiIndex: " << phiIndex << " out of range!";
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G4Exception("G4OpticalSurface::GetAngularDistributionValue", "mat317", FatalException, ed);
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return 0.;
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}
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return (G4double)AngularDistribution[angleIncident + thetaIndex * incidentIndexMax +
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phiIndex * thetaIndexMax * incidentIndexMax];
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}
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inline G4double G4OpticalSurface::GetAngularDistributionValueLUT(G4int i)
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{
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if (i < 0 || i >= indexmax) {
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G4ExceptionDescription ed;
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ed << "Index " << i << " out of range!";
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G4Exception("G4OpticalSurface::GetAngularDistributionValueLUT", "mat318", FatalException, ed);
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return 0.;
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}
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return (G4double)AngularDistributionLUT[i];
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}
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inline G4double G4OpticalSurface::GetReflectivityLUTValue(G4int i)
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{
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if (i < 0 || i >= RefMax) {
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G4ExceptionDescription ed;
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ed << "Index " << i << " out of range!";
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G4Exception("G4OpticalSurface::GetReflectivityLUTValue", "mat319", FatalException, ed);
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return 0.;
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}
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return (G4double)Reflectivity[i];
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}
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inline G4Physics2DVector* G4OpticalSurface::GetDichroicVector() { return DichroicVector; }
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#endif /* G4OpticalSurface_h */
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