* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved.
* See cxx source for full Copyright notice.
*/
-
-
+
+ // Implementation of the SPD v11 central geometry.
+ // Contains also:
+ // - the materials/media used for its volumes;
+ // - settings for the related transport parameters
+ // (GEANT3 types for the moment).
+ //
/*
* $Id$
*/
-//
-// Implementation of the SPD v11 central geometry.
-// Contains also:
-// - the materials/media used for its volumes;
-// - settings for the related transport parameters (GEANT3 types for the moment).
-//
#include <TGeoManager.h>
#include <TVirtualMC.h>
+#include <TString.h>
+#include <TArrayI.h>
+#include <TPolyLine.h>
+#include <TPolyMarker.h>
#include <AliITSv11Geometry.h>
+
class TGeoVolume;
class AliITSv11GeometrySPD : public AliITSv11Geometry
{
public:
- AliITSv11GeometrySPD() : AliITSv11Geometry() {};
- AliITSv11GeometrySPD(Int_t debug) : AliITSv11Geometry(debug) {}; // set explicitly debug level
+
+ // Default constructor
+ AliITSv11GeometrySPD(Double_t gap = 0.0075);
+ // Standard Constructor
+ AliITSv11GeometrySPD(Int_t debug, Double_t gap = 0.0075);
+ // Copy constructor (temporarily disabled)
+ // AliITSv11GeometrySPD(const AliITSv11GeometrySPD &s);
+ // Assignment operator (temporarily disabled)
+ // operator=(const AliITSv11GeometrySPD &s);
+ // Destructor
virtual ~AliITSv11GeometrySPD() {};
/* Settings */
// define/create materials
virtual Int_t CreateSPDCentralMaterials(Int_t &medOffset, Int_t &matOffset) const;
// set SPD Central, GEANT3 type, tracking parameters
- virtual void InitSPDCentral(Int_t offset,TVirtualMC *mc=gMC) const;
+ virtual void InitSPDCentral(Int_t offset, TVirtualMC *mc = gMC) const;
/* Monitoring */
// creates standard figures for the documentation of this class
- virtual void CreateFigure0(const Char_t *filepath = "", const Char_t *type = "gif", TGeoManager *mgr=gGeoManager);
+ virtual void CreateFigure0
+ (const Char_t *path = "", const Char_t *type = "gif", TGeoManager *mgr = gGeoManager) const;
+ // fill TPolylines with crossections of the SPD Carbon fiber sectors.
+ Bool_t Make2DCrossSections
+ (TPolyLine &a0, TPolyLine &a1, TPolyLine &b0, TPolyLine &b1, TPolyMarker &p) const;
+
+ /* Services */
- /* Member functions which create pieces of the geometry */
+ // get names
+ virtual const char *GetSenstiveVolumeName1() const {return "LAY1_SENSOR";}
+ virtual const char *GetSenstiveVolumeName2() const {return "LAY2_SENSOR";}
+ virtual const char *GetSenstiveVolumeName(Int_t lay) const
+ {return (lay==1) ? GetSenstiveVolumeName1() : GetSenstiveVolumeName2();}
+ // get medium
+ virtual TGeoMedium* GetMedium(const char* mediumName, TGeoManager *mgr = gGeoManager) const;
+ // retrieve the mounting location and rotation needed to mount an SPD stave
+ virtual Bool_t GetSectorMountingPoints
+ (Int_t index, Double_t &x0, Double_t &y0, Double_t &x1, Double_t &y1) const;
+ // displace the staves on the carbon fiber sector
+ virtual void StavesInSector(TGeoVolume *moth, TGeoManager *mgr = gGeoManager);
+ // (debug purposes) define which staves to put in the sector
+ virtual void SetAddStave(Bool_t *mask);
+ // print class in ascii form to stream
+ virtual void PrintAscii(ostream *os) const;
+ // read in class in ascii form from stream
+ virtual void ReadAscii(istream *is);
+
+ /* Parts of the geometry */
// a single ladder (= 1 detector + 5 chips)
- TGeoVolume* CreateLadder(Int_t layer, Double_t &width, Double_t &height, Double_t &thickness, TGeoManager *mgr = gGeoManager);
- // the grounding foil (splitted in two components)
- TGeoVolume* CreateGroundingFoilSingle(Bool_t kapLayer, Double_t &len, Double_t &wid, Double_t &thick, TGeoManager *mgr = gGeoManager);
- TGeoVolume* CreateGroundingFoil(Double_t &thickness, TGeoManager *mgr = gGeoManager);
- // the MCM (incomplete: missing the internal chips)
- TGeoVolume* CreateMCMBase(TGeoManager *mgr = gGeoManager) const;
- TGeoVolume* CreateMCMCoverBorder(TGeoManager *mgr = gGeoManager);
- TGeoVolume* CreateMCMCoverTop(TGeoManager *mgr = gGeoManager);
- // the Pixel Bus & extenders
- TGeoVolumeAssembly* CreatePixelBusAndExtensions(Bool_t zpos = kTRUE, TGeoManager *mgr = gGeoManager);
- // the thin part of a stave (grounding + ladders)
- TGeoVolume *CreateStaveBase(Int_t layer, Double_t &width, Double_t &height, Double_t &thickness, TGeoManager *mgr=gGeoManager);
- // the whole stave, including the thick parts (MCM cover, pixel bus & extensions)
- TGeoVolumeAssembly* CreateStave(Int_t layer, Double_t &thickness, TGeoManager *mgr);
- // displacement of staves on the carbon fiber sector
- virtual void StavesInSector(TGeoVolume *moth, TGeoManager *mgr=gGeoManager);
+ virtual TGeoVolume* CreateLadder
+ (Int_t layer, TArrayD &sizes, TGeoManager *mgr = gGeoManager) const;
+ // a clip on the central ladders
+ virtual TGeoVolume* CreateClip
+ (TArrayD &sizes, TGeoManager *mgr = gGeoManager) const;
+ // the grounding foil (splitted in many components)
+ virtual TGeoVolumeAssembly* CreateGroundingFoilSingle
+ (Int_t type, TArrayD &sizes, TGeoManager *mgr = gGeoManager) const;
+ virtual TGeoVolume* CreateGroundingFoil
+ (Bool_t isRight, TArrayD &sizes, TGeoManager *mgr = gGeoManager) const;
+ // the MCM (thin part + thick part with chips inside)
+ virtual TGeoVolumeAssembly* CreateMCM
+ (Bool_t isRight, TArrayD &sizes, TGeoManager *mgr = gGeoManager) const;
+ // the pixel bus (flat part + pt1000s + large capacitors/resistors)
+ virtual TGeoVolumeAssembly* CreatePixelBus
+ (Bool_t isRight, TArrayD &sizes, TGeoManager *mgr = gGeoManager) const;
+ // the extender complicated geometry
+ virtual TGeoVolume* CreateExtender
+ (const Double_t *params, const TGeoMedium *medium, TArrayD &sizes) const;
+ // the Pixel Bus & extenders (old method which will be removed)
+ virtual TGeoVolumeAssembly* CreatePixelBusAndExtensions
+ (Bool_t zpos = kTRUE, TGeoManager *mgr = gGeoManager) const;
+ // a half-stave (put together ladders + MCM + bus, and add clips if requested)
+ virtual TGeoVolumeAssembly* CreateHalfStave
+ (Bool_t isRight, Int_t layer, Int_t idxCentral, Int_t idxSide,
+ TArrayD &sizes, Bool_t addClips = kFALSE, TGeoManager *mgr = gGeoManager);
+ // the whole stave (2 half-staves of different orientation)
+ virtual TGeoVolumeAssembly* CreateStave
+ (Int_t layer, TArrayD &sizes, Bool_t addClips = kFALSE, TGeoManager *mgr = gGeoManager);
// the complete Carbon Fiber sector (support + staves)
- virtual void CarbonFiberSector(TGeoVolume *moth, Double_t &xAAtubeCenter0, Double_t &yAAtubeCenter0, TGeoManager *mgr=gGeoManager);
- // the whole SPD barrel
- virtual void SPDSector(TGeoVolume *moth, TGeoManager *mgr=gGeoManager);
+ virtual void CarbonFiberSector
+ (TGeoVolume *moth, Double_t &xAAtubeCenter0, Double_t &yAAtubeCenter0, TGeoManager *mgr = gGeoManager);
+ // the whole SPD barrel (the 10 sectors at once)
+ virtual void SPDSector(TGeoVolume *moth, TGeoManager *mgr = gGeoManager);
private:
-
+
// NOTE:
// all of the member functions which define a component of the final SPD
- // will need to be defined as private once the design is fixed and does not
- // need any longer to be checked and debugged.
+ // will need to be defined as private once the design is fixed and
+ // does not need any longer to be checked and debugged.
- // Computes shape of the SPD Sector given specific inputs (internal use only)
- void SPDsectorShape(Int_t n, const Double_t *xc, const Double_t *yc, const Double_t *r,
- const Double_t *ths, const Double_t *the, Int_t npr,
- Int_t &m, Double_t **xp, Double_t **yp);
+ /* Service methods for internal use only */
- // computes a point o a line parallel to a given direction
- // and with a fixed distance from it (internal use only)
- void ParallelPosition(Double_t dist1, Double_t dist2, Double_t phi, Double_t &x, Double_t &y);
+ // compute shape of the SPD Sector given specific inputs
+ void SPDsectorShape
+ (Int_t n,
+ const Double_t *xc, const Double_t *yc, const Double_t *r,
+ const Double_t *ths, const Double_t *the, Int_t npr,
+ Int_t &m, Double_t **xp, Double_t **yp) const;
- ClassDef(AliITSv11GeometrySPD,1) // ITS v11 Centeral SPD geometry
+ // compute a point o a line parallel to a given direction
+ // and with a fixed distance from it
+ void ParallelPosition
+ (Double_t dist1, Double_t dist2, Double_t phi, Double_t &x, Double_t &y) const;
+
+ /* Data members */
+
+ Double_t fAlignmentGap; // thicknes of the empty (air) gap left between the
+ // ladder and the grounding foil for alignment
+
+ Bool_t fAddStave[6]; // [DEBUG] must be TRUE for all staves
+ // which will be mounted in the sector (used to check overlaps)
+
+ TArrayD fSPDsectorX0; // X of first edge of sector plane for stave
+ TArrayD fSPDsectorY0; // Y of first edge of sector plane for stave
+ TArrayD fSPDsectorX1; // X of second edge of sector plane for stave
+ TArrayD fSPDsectorY1; // Y of second edge of sector plane for stave
+
+ /* ROOT dictionary */
+
+ ClassDef(AliITSv11GeometrySPD,1) // ITS v11 Central SPD geometry
};
+// Input and output function for standard C++ input/output.
+ostream &operator<<(ostream &os, const AliITSv11GeometrySPD &s);
+istream &operator>>(istream &is, AliITSv11GeometrySPD &s);
+
#endif
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