AliMUONTriggerGeometryBuilder.h

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/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

// $Id$
// Revision of includes 07/05/2004
//

#ifndef ALI_MUON_TRIGGER_GEOMETRY_BUILDER_H
#define ALI_MUON_TRIGGER_GEOMETRY_BUILDER_H

#include "AliMUONVGeometryBuilder.h"

class AliMUON;

class AliMUONTriggerGeometryBuilder : public AliMUONVGeometryBuilder
{
  public:
    AliMUONTriggerGeometryBuilder(AliMUON* muon);
    AliMUONTriggerGeometryBuilder();
    virtual ~AliMUONTriggerGeometryBuilder();
  
    // methods
    virtual void CreateGeometry();
    virtual void SetVolumes();
    virtual void SetTransformations();
    virtual void SetSensitiveVolumes();
    
    virtual bool ApplyGlobalTransformation() { return false; }
    
  protected:  
    
  private:
    AliMUONTriggerGeometryBuilder(const AliMUONTriggerGeometryBuilder& rhs);
    AliMUONTriggerGeometryBuilder& operator = (const AliMUONTriggerGeometryBuilder& rhs);

    // methods
    void BuildChamberPrototype(Int_t icount) const;  
    void BuildRPCSupportsVertical(Int_t& iVolNum, Int_t icount) const;    
    void BuildRPCSupportsHorizontal(Int_t icount) const;    
    void BuildAngularSupportForChambers(Int_t icount) const;  
    void BuildGasPipes(Int_t icount) const;         
    void BuildChamberTypeA(Int_t& iVolNum, Int_t icount);  
    void BuildChamberTypeB(Int_t& iVolNum, Int_t icount);  
    void BuildChamberTypeD(Int_t& iVolNum, Int_t icount);  
    void BuildChamberTypeE(Int_t& iVolNum, Int_t icount);  
    void BuildChamberTypeF(Int_t& iVolNum, Int_t icount);  

    // constants
    
    static const Float_t fgkDXZERO; 

    // main distances for chamber definition in first plane/first station
    static const Float_t fgkXMIN; 
    static const Float_t fgkXMED; 
    static const Float_t fgkXMAX; 

    // 090704 kXMAX changed from 272 to 255.
    // (see fig.2-4 & 2-5 of Local Trigger Board PRR)
    // segmentation updated accordingly
    static const Float_t fgkYMIN; 
    static const Float_t fgkYMAX; 

    // inner/outer radius of flange between beam shield. and chambers (1/station)
    //    static const Float_t fgkRMIN[2]={50.,50.};
    //    static const Float_t fgkRMAX[2]={64.,68.};
    // z position of the middle of the gas gap in mother vol 
    static const Float_t fgkZm; 
    static const Float_t fgkZp; 
    
    static const Float_t fgkYVSup[4]; 

    static const Float_t fgkSizeVSupExt[3]; 
    static const Float_t fgkSizeVSupInt[3]; 

    static const Float_t fgkSizeSupport1V[3]; 
    static const Float_t fgkSizeSupport1H[3]; 
       // z should be 1.4 in the installed set-up 
    static const Float_t fgkSizeSupport2V[3]; 
    static const Float_t fgkSizeSupport2H[3]; 
    static const Float_t fgkSizeSupportXV[3]; 
    static const Float_t fgkSizeSupportXH[3]; 

    static const Float_t fgkSizeSupportCable[3]; 
    static const Float_t fgkSizeGasPipe[3]; 

    static const Float_t fgkOffsetGasPipe;  
    static const Float_t fgkAvoidExtrusion; 
    
    // 
    TString GetVolumeName(const TString& volume, Int_t icount) const; 
    TString GetVolEnvName(Int_t icount, Int_t ienv) const; 
    TString GetVolAluAngSuppName(
                     const TString& type1234X, 
                     const TString& typeHV,
                     Int_t icount) const;                      
    TString GetVolEnvSuppAngName(
                     const TString& type1234X, 
                     const TString& typeHV, 
                     const TString& typeABDEF,
                     Int_t icount, Int_t ivol) const;                      
    TString GetVolEnvInoxGasPipeName(
                     const TString& type12, 
                     const TString& typeABCDEF,
                     Int_t icount, Int_t ivol) const;                      
                           
    
    // data members 
    AliMUON*  fMUON;   
    Int_t*    fIdtmed; 
    Int_t     fIdAir;  
    Int_t     fIdAlu1; 
    Int_t     fIdInox; 
    Float_t   fYEnvPsave; 
    Float_t   fYEnvMsave; 
    Float_t   fDYsave;    
    Float_t   fDXsave;    
    TGeoRotation fRsupportpipe; 
        
  ClassDef(AliMUONTriggerGeometryBuilder,2) // MUON Trigger stations geometry construction class
};

#endif //ALI_MUON_TRIGGER_GEOMETRY_BUILDER_H