GLG4_PMT_LogicalVolume.hh

// This file is part of the GenericLAND software library.
// $Id: GLG4_PMT_LogicalVolume.hh,v 1.1.1.1 2004/12/21 22:29:48 GLG4sim Exp $
//
// GLG4_PMT_LogicalVolume.hh
// defines classes for constructing PMT assemblies for GenericLAND
// Original by Glenn Horton-Smith, Dec 1999
#ifndef __GLG4_PMT_LogicalVolume_hh__
#define __GLG4_PMT_LogicalVolume_hh__

#include "G4LogicalVolume.hh"

class G4Material;
class G4OpticalSurface;

typedef enum
{ kPmtStyle_TorusStack, kPmtStyle_Ellipsoid } ePmtStyle;

// GLG4_PMT_LogicalVolume is parent class for specific tube classes below
class GLG4_PMT_LogicalVolume : public G4LogicalVolume {
public:
  
  GLG4_PMT_LogicalVolume
    (const G4String& plabel, // label -- subvolume names are derived from this
     G4double r_bound,       // radius of bounding cylinder
     G4double hh_bound,      // half height of bounding cylinder
     G4Material* ExteriorMat);  // material which fills the bounding cylinder

  G4double GetZEquator() { return z_equator; }
  
protected:
  G4double z_equator;        // Z location of equator of tube

  static G4OpticalSurface* our_Mirror_opsurf;
  
  void ConstructPMT_UsingTorusStack
   (const G4int n_edge,
    const G4double outer_z_edge[],
    const G4double outer_rho_edge[],
    const G4double outer_z_o[],
    G4double r_dynode,     // radius of dynode stack
    G4double z_dynode,     // z coordinate of top of dynode stack, equator=0.
    G4double d_wall,       // thickness of the walls
    G4Material* Exterior,          // material outside tube
    G4Material* Glass,             // glass material
    G4OpticalSurface* Photocathode_opsurf,  // photocathode surface
    G4Material* PMT_Vac,           // tube interior
    G4Material* Dynode_mat,        // dynode stack metal
    G4VSensitiveDetector *detector // sensitive detector hook
   );
    
  void ConstructPMT_UsingEllipsoid
   (G4double r_equat,      // equatorial radius of phototube
    G4double h_face,       // height of face above eq.
    G4double h_back,       // depth of back below eq.
    G4double r_stem,       // radius of stem
    G4double l_stem,       // length of stem
    G4double r_dynode,     // radius of dynode stack
    G4double z_dynode,     // z coordinate of top of dynode stack, equator=0.
    G4double d_wall,       // thickness of the walls
    G4Material* Exterior,          // material outside tube
    G4Material* Glass,             // glass material
    G4OpticalSurface* Photocathode_opsurf,  // photocathode surface
    G4Material* PMT_Vac,           // tube interior
    G4Material* Dynode_mat,        // dynode stack metal
    G4VSensitiveDetector *detector // sensitive detector hook
   );
};

// Hamamatsu R7250 PMT (so-called "17-inch") with optional face mask:
// note that the R7250 has the same outside shape and size as the
// R3600 "20-inch" PMT, but has less usable photocathode area.
class GLG4_17inch_LogicalVolume : public GLG4_PMT_LogicalVolume {
public:
  
  GLG4_17inch_LogicalVolume
    (const G4String& plabel, // label -- subvolume names are derived from this
     G4Material* ExteriorMat,// material which fills the bounding cylinder
     G4Material* GlassMat,   // glass material
     G4OpticalSurface* Photocathode_opsurf,  // photocathode surface
     G4Material* PMT_Vacuum, // vacuum inside tube
     G4Material* DynodeMat,  // dynode material
     G4Material* MaskMat,    // material for photocathode mask (e.g, blk acryl)
                             // OK to set MaskMat == NULL for no mask
     G4VSensitiveDetector *detector, // sensitive detector hook
     ePmtStyle PmtStyle      // PMT approx. style (TorusStack or Ellipsoid)
     );  
};


// Hamamatsu R3600 ("20-inch") PMT with optional face mask
class GLG4_20inch_LogicalVolume : public GLG4_PMT_LogicalVolume {
public:
  
  GLG4_20inch_LogicalVolume
    (const G4String& plabel, // label -- subvolume names are derived from this
     G4Material* ExteriorMat,// material which fills the bounding cylinder
     G4Material* GlassMat,   // glass material
     G4OpticalSurface* Photocathode_opsurf,  // photocathode surface
     G4Material* PMT_Vacuum, // vacuum inside tube
     G4Material* DynodeMat,  // dynode material
     G4Material* MaskMat,    // material for photocathode mask (e.g, blk acryl)
                             // OK to set MaskMat == NULL for no mask
     G4VSensitiveDetector *detector, // sensitive detector hook
     ePmtStyle PmtStyle      // PMT approx. style (TorusStack or Ellipsoid)
     );  
};


// Hamamatsu R1408 ("8-inch") PMT with optional face mask
//  (note R5912 and R4558 use same glass envelope, but dynode may be different)
class GLG4_8inch_LogicalVolume : public GLG4_PMT_LogicalVolume {
public:
  
  GLG4_8inch_LogicalVolume
    (const G4String& plabel, // label -- subvolume names are derived from this
     G4Material* ExteriorMat,// material which fills the bounding cylinder
     G4Material* GlassMat,   // glass material
     G4OpticalSurface* Photocathode_opsurf,  // photocathode surface
     G4Material* PMT_Vacuum, // vacuum inside tube
     G4Material* DynodeMat,  // dynode material
     G4Material* MaskMat,    // material for photocathode mask (e.g, blk acryl)
                             // OK to set MaskMat == NULL for no mask
     G4VSensitiveDetector *detector, // sensitive detector hook
     ePmtStyle PmtStyle      // PMT approx. style (TorusStack or Ellipsoid)
     );  
};

class GLG4_5inch_LogicalVolume : public GLG4_PMT_LogicalVolume {
public:
  
  GLG4_5inch_LogicalVolume
    (const G4String& plabel, // label -- subvolume names are derived from this
     G4Material* ExteriorMat,// material which fills the bounding cylinder
     G4Material* GlassMat,   // glass material
     G4OpticalSurface* Photocathode_opsurf,  // photocathode surface
     G4Material* PMT_Vacuum, // vacuum inside tube
     G4Material* DynodeMat,  // dynode material
     G4Material* MaskMat,    // material for photocathode mask (e.g, blk acryl)
                             // OK to set MaskMat == NULL for no mask
     G4VSensitiveDetector *detector, // sensitive detector hook
     ePmtStyle PmtStyle      // PMT approx. style (TorusStack or Ellipsoid)
     );  
};

#endif /*__GLG4_PMT_LogicalVolume_hh__*/

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