#ifndef ALIITSV11GEOMETRYSPD_H
#define ALIITSV11GEOMETRYSPD_H
-/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * See cxx source for full Copyright notice */
+
+/*
+ * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved.
+ * See cxx source for full Copyright notice.
+ */
+
+
/*
- $Id$
+ * $Id$
*/
+
+//
+// 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 <AliITSv11Geometry.h>
+
class TGeoVolume;
-class AliITSv11GeometrySPD : public AliITSv11Geometry {
- public:
- AliITSv11GeometrySPD(){};
- AliITSv11GeometrySPD(Bool_t debug):AliITSv11Geometry(debug){};
- virtual ~AliITSv11GeometrySPD(){};
- //
- virtual void CarbonFiberSector(TGeoVolume *Moth);
- virtual void HalfStave(TGeoVolume *Moth);
- //
- // Create figures for the documentation of this class
- virtual void CreateFigure0(const Char_t *filepath="",
- const Char_t *type="gif");
- private:
- 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);
-
- private:
- ClassDef(AliITSv11GeometrySPD,1) // ITS v11 Centeral SPD geometry
+class AliITSv11GeometrySPD : public AliITSv11Geometry
+{
+public:
+ AliITSv11GeometrySPD() : AliITSv11Geometry() {};
+ AliITSv11GeometrySPD(Int_t debug) : AliITSv11Geometry(debug) {}; // set explicitly debug level
+ 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;
+
+ /* 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);
+
+ /* Member functions which create pieces 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);
+ // 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);
+
+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.
+
+ // 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);
+
+ // 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);
+
+ ClassDef(AliITSv11GeometrySPD,1) // ITS v11 Centeral SPD geometry
};
#endif