[u/mrichter/AliRoot.git] / FMD / AliFMDRing.h

#ifndef ALIFMDRING_H
#define ALIFMDRING_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights
 * reserved. 
 *
 * Latest changes by Christian Holm Christensen <cholm@nbi.dk>
 *
 * See cxx source for full Copyright notice                               
 */
/** @file    AliFMDRing.h
    @author  Christian Holm Christensen <cholm@nbi.dk>
    @date    Mon Mar 27 12:47:43 2006
    @brief   FMD ring geometry parameters 
*/
//__________________________________________________________________
//
// Parameters of the FMD rings. 
// This class is responsible to make the (common) rings of the three
// sub-detectors. 
//
#ifndef ROOT_TNamed
# include <TNamed.h>
#endif
#ifndef ROOT_TObjArray
# include <TObjArray.h>
#endif

class TBrowser;
class TVector2;

/** 
 * @brief Geometry description and parameters of a ring in the FMD 
 * detector. 
 *
 * As there are only 2 kinds of rings @e Inner (@c 'I') and @e Outer
 * (@c 'O') the two objects of this class is owned by the
 * AliFMDGeometry singleton object.  The 3 AliFMDDetector objects
 * shares these two instances as needed.
 * @ingroup FMD_base
*/
class AliFMDRing : public TNamed
{
public:
  /** 
   * CTOR
   *
   * @param fId Ring ID  
   */
  AliFMDRing(Char_t fId);
  /** 
   * DTOR  
   */
  virtual ~AliFMDRing() {}
  /** 
   * Initialize the ring geometry 
   */
  virtual void Init();
  
  /** 
   *
   * @param x Value of The Id of this ring type
   */
  void SetId(Char_t x) { fId = x; }
  /** 
   *
   * @param x Value of With of bonding pad on sensor
   */
  void SetBondingWidth(Double_t x=.5) { fBondingWidth = x; }
  /** 
   *
   * @param x Value of Size of wafer the sensor was made from
   */
  void SetWaferRadius(Double_t x=13.4/2) { fWaferRadius = x; }
  /** 
   *
   * @param x Value of Thickness of sensor
   */
  void SetSiThickness(Double_t x=.032) { fSiThickness = x; }
  /** 
   *
   * @param x Value of Lower radius of ring
   */
  void SetLowR(Double_t x) { fLowR = x; }
  /** 
   *
   * @param x Value of Upper radius of ring
   */
  void SetHighR(Double_t x) { fHighR = x; }
  /** 
   *
   * @param x Value of Opening angle of the silicon wafers
   */
  void SetTheta(Double_t x) { fTheta = x; }
  /** 
   *
   * @param x Value of Number of strips
   */
  void SetNStrips(Int_t x) { fNStrips = x; }
  /** 
   *
   * @param x Value of How far the ring extends beyond the z value given.
   */
  void SetRingDepth(Double_t x) { fRingDepth = x; }
  /** 
   *
   * @param x Value of Radius of support legs
   */
  void SetLegRadius(Double_t x=.25) { fLegRadius = x; }
  /** 
   *
   * @param x Value of Radius of support legs
   */
  void SetLegLength(Double_t x=.9) { fLegLength = x; }
  /** 
   *
   * @param x Value of Radius of support legs
   */
  void SetLegOffset(Double_t x=2) { fLegOffset = x; }
  /** 
   *
   * @param x Value of Staggering offset
   */
  void SetModuleSpacing(Double_t x=.5) { fModuleSpacing = x; }
  /** 
   *
   * @param x Value of Thickness of print board
   */
  void SetPrintboardThickness(Double_t x=.08) { fPrintboardThickness = x; }
  /** 
   *
   * @param x Value of Thickness of copper on print board
   */
  void SetCopperThickness(Double_t x=.01) { fCopperThickness = x; }
  /** 
   *
   * @param x Value of Thickness of chip on print board
   */
  void SetChipThickness(Double_t x=.01) { fChipThickness = x; }
  /** 
   *
   * @param x Value of spacing between si and PCB
   */
  void SetSpacing(Double_t x=.05) { fSpacing = x; }
  /** 
   *
   * @param x Thickness of honeycomb plate
   */
  void SetHoneycombThickness(Double_t x=0.65) { fHoneycombThickness = x; }
  /** 
   *
   * @param x Thickness of aluminium of honeycomb
   */
  void SetAlThickness(Double_t x=.1) { fAlThickness = x; }

  /** 
   *
   * @return The Id of this ring type
   */
  Char_t GetId() const { return fId; }
  /** 
   *
   * @return With of bonding pad on sensor
   */
  Double_t GetBondingWidth() const { return fBondingWidth; }
  /** 
   *
   * @return Size of wafer the sensor was made from
   */
  Double_t GetWaferRadius() const { return fWaferRadius; }
  /** 
   *
   * @return Thickness of sensor
   */
  Double_t GetSiThickness() const { return fSiThickness; }
  /** 
   *
   * @return Minimum r for an active strip
   */
  Double_t GetMinR() const { return fMinR; }
  /** 
   *
   * @return Maximum r for an active strip
   */
  Double_t GetMaxR() const { return fMaxR; }
  /** 
   *
   * @return Lower radius of ring
   */
  Double_t GetLowR() const { return fLowR; }
  /** 
   *
   * @return Upper radius of ring
   */
  Double_t GetHighR() const { return fHighR; }
  /** 
   *
   * @return Opening angle of the sector (half that of silicon wafers)
   */
  Double_t GetTheta() const { return fTheta; }
  /** 
   *
   * @return Number of strips
   */
  Int_t GetNStrips() const { return fNStrips; }
  /** 
   *
   * @return Number of sectors
   */
  Int_t GetNSectors() const { return Int_t(360. / fTheta); }
  /** 
   *
   * @return Number of modules (2 sectors per module)
   */
  Int_t GetNModules() const { return GetNSectors() / 2; }
  /** 
   *
   * @return How far the ring extends beyond the z value given.
   */
  Double_t GetRingDepth() const { return fRingDepth; }
  /** 
   *
   * @return Radius of support legs
   */
  Double_t GetLegRadius() const { return fLegRadius; }
  /** 
   *
   * @return Radius of support legs
   */
  Double_t GetLegLength() const { return fLegLength; }
  /** 
   *
   * @return Radius of support legs
   */
  Double_t GetLegOffset() const { return fLegOffset; }
  /** 
   *
   * @return Staggering offset
   */
  Double_t GetModuleSpacing() const { return fModuleSpacing; }
  /** 
   *
   * @return Thickness of print board
   */
  Double_t GetPrintboardThickness() const { return fPrintboardThickness; }
  /** 
   *
   * @return Thickness copper of print board
   */
  Double_t GetCopperThickness() const { return fCopperThickness; }
  /** 
   *
   * @return Thickness chip of print board
   */
  Double_t GetChipThickness() const { return fChipThickness; }
  /** 
   *
   * @return Value of spacing between si and PCB
   */
  Double_t GetSpacing() const { return fSpacing; }
  /** 
   *
   * @return Thickness of honeycomb plate
   */
  Double_t GetHoneycombThickness() const { return fHoneycombThickness; }
  /** 
   *
   * @return Thickness of aluminium of honeycomb
   */
  Double_t GetAlThickness() const { return fAlThickness; }
  /** 
   *
   * @return The strip pitch
   */ 
  Double_t GetPitch() const { return (fMaxR - fMinR) / fNStrips; }
  /** 
   *
   * @return Radius (in cm) correspondig to strip @a strip
   */
  Double_t GetStripRadius(UShort_t strip) const;
  /** 
   *
   * @return Full depth of (low) modules in this (half) ring
   */
  Double_t GetModuleDepth() const;
  /** 
   *
   * @return Full depth of this (half) ring
   */
  Double_t GetFullDepth() const;
  /** 
   * Get the inner radius of the digitizer cards 
   *
   * @return The inner radius of the digitizer cards 
   */
  Double_t GetFMDDLowR() const { return 1.2*GetLowR(); }
  /** 
   * Get the outer radius of the digitizer cards 
   *
   * @return The outer radius of the digitizer cards 
   */
  Double_t GetFMDDHighR() const { return .95*GetHighR(); }
  /** 
   *
   * @return Thickness of print board
   */
  Double_t GetFMDDPrintboardThickness() const { return 2*fPrintboardThickness; }
  /** 
   *
   * @return Thickness copper of print board
   */
  Double_t GetFMDDCopperThickness() const { return 2*fCopperThickness; }
  /** 
   *
   * @return Thickness chip of print board
   */
  Double_t GetFMDDChipThickness() const { return 2*fChipThickness; }

  /** 
   *
   * @return List of verticies
   */
  const TObjArray& GetVerticies() const { return fVerticies; }
  /** 
   *
   * @return Number of verticies
   */
  Int_t GetNVerticies() const { return fVerticies.GetEntries(); }
  /** 
   * @param i Vertex number 
   *
   * @return the ith vertex 
   */
  TVector2* GetVertex(Int_t i) const;
  /** 
   *
   * @return List of verticies
   */
  const TObjArray& GetSensorVerticies() const { return fSensorVerticies; }
  /** 
   * @param i Vertex number 
   *
   * @return the ith vertex 
   */
  TVector2* GetSensorVertex(Int_t i) const;
  /** 
   *
   * @return List of verticies
   */
  const TObjArray& GetHybridVerticies() const { return fHybridVerticies; }
  /** 
   * @param i Vertex number 
   *
   * @return the ith vertex 
   */
  TVector2* GetHybridVertex(Int_t i) const;

  /** 
   * Get a list of feet positions 
   * 
   * 
   * @return List TVector2 of feet positions on hybrid card
   */  
  const TObjArray& GetFeetPositions() const { return fFeetPositions; }
  /** 
   * Get the number of feet positions 
   * 
   * 
   * @return Number of feet positions 
   */
  Int_t GetNFeetPositions() const { return fFeetPositions.GetEntries(); }
  /** 
   * Get the @a i feet position
   * 
   * @param i Index
   * 
   * @return The foot position of stand-off @a i 
   */  
  TVector2* GetFootPosition(Int_t i) const;
  /** 
   * Get the real length of a strip
   * 
   * @param strip strip number
   * 
   * @return length of strip 
   */ 
  Float_t GetStripLength(UShort_t strip) const ;
  /** 
   * Get the length of a strip assuming the corners are not cut off
   * 
   * @param strip strip number
   * 
   * @return length of strip w/o corners 
   */ 
  Float_t GetBaseStripLength(UShort_t strip) const ;
  /** Not used */
  void Detector2XYZ(UShort_t sector, UShort_t strip, 
		    Double_t& x, Double_t& y, Double_t& z) const;
  /** Not used */
  Bool_t XYZ2Detector(Double_t x, Double_t y, Double_t z, 
		      UShort_t& sector, UShort_t& strip) const;
private: 
  Char_t	fId;			// The Id of this ring type
  Double_t	fBondingWidth;		// With of bonding pad on sensor
  Double_t	fWaferRadius;		// Size of wafer sensor was made from
  Double_t	fSiThickness;		// Thickness of sensor
  Double_t	fLowR;			// Lower radius of ring
  Double_t	fHighR;			// Upper radius of ring
  Double_t	fMinR;			// Lower radius of active strips
  Double_t	fMaxR;			// Upper radius of active strips
  Double_t	fTheta;			// Opening angle of the silicon wafers
  Int_t		fNStrips;		// Number of strips
  Double_t	fRingDepth;		// How far the ring extends beyond z
  Double_t	fLegRadius;		// Radius of support legs
  Double_t 	fLegLength;		// Radius of support legs
  Double_t	fLegOffset;		// Radius of support legs
  Double_t	fModuleSpacing;		// Staggering offset
  Double_t	fPrintboardThickness;	// Thickness of print board
  Double_t	fCopperThickness;	// Thickness of Cu on print board
  Double_t	fChipThickness;		// Thickness of chip on print board
  Double_t      fSpacing;               // Spacing between si and PCB
  Double_t	fHoneycombThickness;	// Thickness of honeycomb plate
  Double_t	fAlThickness;		// Thickness of aluminium of honeycomb
  
  TObjArray	fVerticies;		// List of active sensor verticies
  TObjArray     fSensorVerticies;       // List of physical sensor verticies
  TObjArray     fHybridVerticies;       // List of hybrid card verticies
  TObjArray     fFeetPositions;         // List of feet positions
  
  ClassDef(AliFMDRing, 0);
};
#endif 
//____________________________________________________________________
//
// Local Variables:
//   mode: C++
// End:
//
// EOF
//
Commit	Line	Data
0d0e6995	1	#ifndef ALIFMDRING_H
0d0e6995	2	#define ALIFMDRING_H
4347b38f	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights
	4	* reserved.
	5	*
	6	* Latest changes by Christian Holm Christensen <cholm@nbi.dk>
	7	*
	8	* See cxx source for full Copyright notice
	9	*/
c2fc1258	10	/** @file AliFMDRing.h
	11	@author Christian Holm Christensen <cholm@nbi.dk>
	12	@date Mon Mar 27 12:47:43 2006
	13	@brief FMD ring geometry parameters
	14	*/
68e82e8d	15	//__________________________________________________________________
	16	//
	17	// Parameters of the FMD rings.
68e82e8d	18	// This class is responsible to make the (common) rings of the three
	19	// sub-detectors.
	20	//
1a1fdef7	21	#ifndef ROOT_TNamed
1a1fdef7	22	# include <TNamed.h>
4347b38f	23	#endif
1a1fdef7	24	#ifndef ROOT_TObjArray
1a1fdef7	25	# include <TObjArray.h>
4347b38f	26	#endif
	27
	28	class TBrowser;
1a1fdef7	29	class TVector2;
4347b38f	30
f70f588a	31	/**
	32	* @brief Geometry description and parameters of a ring in the FMD
	33	* detector.
	34	*
	35	* As there are only 2 kinds of rings @e Inner (@c 'I') and @e Outer
	36	* (@c 'O') the two objects of this class is owned by the
	37	* AliFMDGeometry singleton object. The 3 AliFMDDetector objects
	38	* shares these two instances as needed.
	39	* @ingroup FMD_base
1a1fdef7	40	*/
1a1fdef7	41	class AliFMDRing : public TNamed
4347b38f	42	{
4347b38f	43	public:
f70f588a	44	/**
	45	* CTOR
	46	*
	47	* @param fId Ring ID
	48	*/
1a1fdef7	49	AliFMDRing(Char_t fId);
f70f588a	50	/**
	51	* DTOR
	52	*/
1a1fdef7	53	virtual ~AliFMDRing() {}
f70f588a	54	/**
	55	* Initialize the ring geometry
	56	*/
1a1fdef7	57	virtual void Init();
1a1fdef7	58
f70f588a	59	/**
	60	*
	61	* @param x Value of The Id of this ring type
	62	*/
1a1fdef7	63	void SetId(Char_t x) { fId = x; }
f70f588a	64	/**
	65	*
	66	* @param x Value of With of bonding pad on sensor
	67	*/
1a1fdef7	68	void SetBondingWidth(Double_t x=.5) { fBondingWidth = x; }
f70f588a	69	/**
	70	*
	71	* @param x Value of Size of wafer the sensor was made from
	72	*/
1a1fdef7	73	void SetWaferRadius(Double_t x=13.4/2) { fWaferRadius = x; }
f70f588a	74	/**
	75	*
	76	* @param x Value of Thickness of sensor
	77	*/
d98fbfa5	78	void SetSiThickness(Double_t x=.032) { fSiThickness = x; }
f70f588a	79	/**
	80	*
	81	* @param x Value of Lower radius of ring
	82	*/
1a1fdef7	83	void SetLowR(Double_t x) { fLowR = x; }
f70f588a	84	/**
	85	*
	86	* @param x Value of Upper radius of ring
	87	*/
1a1fdef7	88	void SetHighR(Double_t x) { fHighR = x; }
f70f588a	89	/**
	90	*
	91	* @param x Value of Opening angle of the silicon wafers
	92	*/
1a1fdef7	93	void SetTheta(Double_t x) { fTheta = x; }
f70f588a	94	/**
	95	*
	96	* @param x Value of Number of strips
	97	*/
1a1fdef7	98	void SetNStrips(Int_t x) { fNStrips = x; }
f70f588a	99	/**
	100	*
	101	* @param x Value of How far the ring extends beyond the z value given.
	102	*/
1a1fdef7	103	void SetRingDepth(Double_t x) { fRingDepth = x; }
f70f588a	104	/**
	105	*
	106	* @param x Value of Radius of support legs
	107	*/
	108	void SetLegRadius(Double_t x=.25) { fLegRadius = x; }
	109	/**
	110	*
	111	* @param x Value of Radius of support legs
	112	*/
	113	void SetLegLength(Double_t x=.9) { fLegLength = x; }
	114	/**
	115	*
	116	* @param x Value of Radius of support legs
	117	*/
1a1fdef7	118	void SetLegOffset(Double_t x=2) { fLegOffset = x; }
f70f588a	119	/**
	120	*
	121	* @param x Value of Staggering offset
	122	*/
	123	void SetModuleSpacing(Double_t x=.5) { fModuleSpacing = x; }
	124	/**
	125	*
	126	* @param x Value of Thickness of print board
	127	*/
	128	void SetPrintboardThickness(Double_t x=.08) { fPrintboardThickness = x; }
	129	/**
	130	*
	131	* @param x Value of Thickness of copper on print board
	132	*/
4ac75127	133	void SetCopperThickness(Double_t x=.01) { fCopperThickness = x; }
f70f588a	134	/**
	135	*
	136	* @param x Value of Thickness of chip on print board
	137	*/
4ac75127	138	void SetChipThickness(Double_t x=.01) { fChipThickness = x; }
f70f588a	139	/**
	140	*
	141	* @param x Value of spacing between si and PCB
	142	*/
4ac75127	143	void SetSpacing(Double_t x=.05) { fSpacing = x; }
f70f588a	144	/**
	145	*
	146	* @param x Thickness of honeycomb plate
	147	*/
ed82d35e	148	void SetHoneycombThickness(Double_t x=0.65) { fHoneycombThickness = x; }
f70f588a	149	/**
	150	*
	151	* @param x Thickness of aluminium of honeycomb
	152	*/
d98fbfa5	153	void SetAlThickness(Double_t x=.1) { fAlThickness = x; }
4ac75127	154
f70f588a	155	/**
	156	*
	157	* @return The Id of this ring type
	158	*/
1a1fdef7	159	Char_t GetId() const { return fId; }
f70f588a	160	/**
	161	*
	162	* @return With of bonding pad on sensor
	163	*/
1a1fdef7	164	Double_t GetBondingWidth() const { return fBondingWidth; }
f70f588a	165	/**
	166	*
	167	* @return Size of wafer the sensor was made from
	168	*/
1a1fdef7	169	Double_t GetWaferRadius() const { return fWaferRadius; }
f70f588a	170	/**
	171	*
	172	* @return Thickness of sensor
	173	*/
1a1fdef7	174	Double_t GetSiThickness() const { return fSiThickness; }
f70f588a	175	/**
	176	*
	177	* @return Minimum r for an active strip
	178	*/
54e415a8	179	Double_t GetMinR() const { return fMinR; }
f70f588a	180	/**
	181	*
	182	* @return Maximum r for an active strip
	183	*/
54e415a8	184	Double_t GetMaxR() const { return fMaxR; }
f70f588a	185	/**
	186	*
	187	* @return Lower radius of ring
	188	*/
1a1fdef7	189	Double_t GetLowR() const { return fLowR; }
f70f588a	190	/**
	191	*
	192	* @return Upper radius of ring
	193	*/
1a1fdef7	194	Double_t GetHighR() const { return fHighR; }
f70f588a	195	/**
	196	*
	197	* @return Opening angle of the sector (half that of silicon wafers)
	198	*/
1a1fdef7	199	Double_t GetTheta() const { return fTheta; }
f70f588a	200	/**
	201	*
	202	* @return Number of strips
	203	*/
1a1fdef7	204	Int_t GetNStrips() const { return fNStrips; }
f70f588a	205	/**
	206	*
	207	* @return Number of sectors
	208	*/
1a1fdef7	209	Int_t GetNSectors() const { return Int_t(360. / fTheta); }
f70f588a	210	/**
	211	*
	212	* @return Number of modules (2 sectors per module)
	213	*/
1a1fdef7	214	Int_t GetNModules() const { return GetNSectors() / 2; }
f70f588a	215	/**
	216	*
	217	* @return How far the ring extends beyond the z value given.
	218	*/
1a1fdef7	219	Double_t GetRingDepth() const { return fRingDepth; }
f70f588a	220	/**
	221	*
	222	* @return Radius of support legs
	223	*/
1a1fdef7	224	Double_t GetLegRadius() const { return fLegRadius; }
f70f588a	225	/**
	226	*
	227	* @return Radius of support legs
	228	*/
1a1fdef7	229	Double_t GetLegLength() const { return fLegLength; }
f70f588a	230	/**
	231	*
	232	* @return Radius of support legs
	233	*/
1a1fdef7	234	Double_t GetLegOffset() const { return fLegOffset; }
f70f588a	235	/**
	236	*
	237	* @return Staggering offset
	238	*/
1a1fdef7	239	Double_t GetModuleSpacing() const { return fModuleSpacing; }
f70f588a	240	/**
	241	*
	242	* @return Thickness of print board
	243	*/
4347b38f	244	Double_t GetPrintboardThickness() const { return fPrintboardThickness; }
f70f588a	245	/**
	246	*
	247	* @return Thickness copper of print board
	248	*/
4ac75127	249	Double_t GetCopperThickness() const { return fCopperThickness; }
f70f588a	250	/**
	251	*
	252	* @return Thickness chip of print board
	253	*/
4ac75127	254	Double_t GetChipThickness() const { return fChipThickness; }
f70f588a	255	/**
	256	*
	257	* @return Value of spacing between si and PCB
	258	*/
4ac75127	259	Double_t GetSpacing() const { return fSpacing; }
f70f588a	260	/**
	261	*
	262	* @return Thickness of honeycomb plate
	263	*/
d98fbfa5	264	Double_t GetHoneycombThickness() const { return fHoneycombThickness; }
f70f588a	265	/**
	266	*
	267	* @return Thickness of aluminium of honeycomb
	268	*/
d98fbfa5	269	Double_t GetAlThickness() const { return fAlThickness; }
f70f588a	270	/**
	271	*
	272	* @return The strip pitch
	273	*/
54e415a8	274	Double_t GetPitch() const { return (fMaxR - fMinR) / fNStrips; }
f70f588a	275	/**
	276	*
	277	* @return Radius (in cm) correspondig to strip @a strip
	278	*/
bf000c32	279	Double_t GetStripRadius(UShort_t strip) const;
f70f588a	280	/**
	281	*
	282	* @return Full depth of (low) modules in this (half) ring
	283	*/
	284	Double_t GetModuleDepth() const;
	285	/**
	286	*
	287	* @return Full depth of this (half) ring
	288	*/
d98fbfa5	289	Double_t GetFullDepth() const;
f70f588a	290	/**
	291	* Get the inner radius of the digitizer cards
	292	*
	293	* @return The inner radius of the digitizer cards
	294	*/
d98fbfa5	295	Double_t GetFMDDLowR() const { return 1.2*GetLowR(); }
f70f588a	296	/**
	297	* Get the outer radius of the digitizer cards
	298	*
	299	* @return The outer radius of the digitizer cards
	300	*/
d98fbfa5	301	Double_t GetFMDDHighR() const { return .95*GetHighR(); }
f70f588a	302	/**
	303	*
	304	* @return Thickness of print board
	305	*/
d98fbfa5	306	Double_t GetFMDDPrintboardThickness() const { return 2*fPrintboardThickness; }
f70f588a	307	/**
	308	*
	309	* @return Thickness copper of print board
	310	*/
d98fbfa5	311	Double_t GetFMDDCopperThickness() const { return 2*fCopperThickness; }
f70f588a	312	/**
	313	*
	314	* @return Thickness chip of print board
	315	*/
d98fbfa5	316	Double_t GetFMDDChipThickness() const { return 2*fChipThickness; }
d98fbfa5	317
f70f588a	318	/**
	319	*
	320	* @return List of verticies
	321	*/
1a1fdef7	322	const TObjArray& GetVerticies() const { return fVerticies; }
f70f588a	323	/**
	324	*
	325	* @return Number of verticies
	326	*/
1a1fdef7	327	Int_t GetNVerticies() const { return fVerticies.GetEntries(); }
f70f588a	328	/**
	329	* @param i Vertex number
	330	*
	331	* @return the ith vertex
	332	*/
1a1fdef7	333	TVector2* GetVertex(Int_t i) const;
f70f588a	334	/**
	335	*
	336	* @return List of verticies
	337	*/
	338	const TObjArray& GetSensorVerticies() const { return fSensorVerticies; }
	339	/**
	340	* @param i Vertex number
	341	*
	342	* @return the ith vertex
	343	*/
	344	TVector2* GetSensorVertex(Int_t i) const;
	345	/**
	346	*
	347	* @return List of verticies
	348	*/
	349	const TObjArray& GetHybridVerticies() const { return fHybridVerticies; }
	350	/**
	351	* @param i Vertex number
	352	*
	353	* @return the ith vertex
	354	*/
	355	TVector2* GetHybridVertex(Int_t i) const;
	356
	357	/**
	358	* Get a list of feet positions
	359	*
	360	*
	361	* @return List TVector2 of feet positions on hybrid card
	362	*/
	363	const TObjArray& GetFeetPositions() const { return fFeetPositions; }
	364	/**
	365	* Get the number of feet positions
	366	*
	367	*
	368	* @return Number of feet positions
	369	*/
	370	Int_t GetNFeetPositions() const { return fFeetPositions.GetEntries(); }
	371	/**
	372	* Get the @a i feet position
	373	*
	374	* @param i Index
	375	*
	376	* @return The foot position of stand-off @a i
	377	*/
	378	TVector2* GetFootPosition(Int_t i) const;
fb848ec4	379	/**
	380	* Get the real length of a strip
	381	*
	382	* @param strip strip number
	383	*
	384	* @return length of strip
	385	*/
	386	Float_t GetStripLength(UShort_t strip) const ;
	387	/**
	388	* Get the length of a strip assuming the corners are not cut off
	389	*
	390	* @param strip strip number
	391	*
	392	* @return length of strip w/o corners
	393	*/
	394	Float_t GetBaseStripLength(UShort_t strip) const ;
9f662337	395	/** Not used */
1a1fdef7	396	void Detector2XYZ(UShort_t sector, UShort_t strip,
1a1fdef7	397	Double_t& x, Double_t& y, Double_t& z) const;
9f662337	398	/** Not used */
54e415a8	399	Bool_t XYZ2Detector(Double_t x, Double_t y, Double_t z,
54e415a8	400	UShort_t& sector, UShort_t& strip) const;
1a1fdef7	401	private:
	402	Char_t fId; // The Id of this ring type
	403	Double_t fBondingWidth; // With of bonding pad on sensor
	404	Double_t fWaferRadius; // Size of wafer sensor was made from
	405	Double_t fSiThickness; // Thickness of sensor
	406	Double_t fLowR; // Lower radius of ring
	407	Double_t fHighR; // Upper radius of ring
54e415a8	408	Double_t fMinR; // Lower radius of active strips
54e415a8	409	Double_t fMaxR; // Upper radius of active strips
1a1fdef7	410	Double_t fTheta; // Opening angle of the silicon wafers
	411	Int_t fNStrips; // Number of strips
	412	Double_t fRingDepth; // How far the ring extends beyond z
	413	Double_t fLegRadius; // Radius of support legs
	414	Double_t fLegLength; // Radius of support legs
	415	Double_t fLegOffset; // Radius of support legs
	416	Double_t fModuleSpacing; // Staggering offset
	417	Double_t fPrintboardThickness; // Thickness of print board
4ac75127	418	Double_t fCopperThickness; // Thickness of Cu on print board
	419	Double_t fChipThickness; // Thickness of chip on print board
	420	Double_t fSpacing; // Spacing between si and PCB
d98fbfa5	421	Double_t fHoneycombThickness; // Thickness of honeycomb plate
d98fbfa5	422	Double_t fAlThickness; // Thickness of aluminium of honeycomb
4ac75127	423
f70f588a	424	TObjArray fVerticies; // List of active sensor verticies
	425	TObjArray fSensorVerticies; // List of physical sensor verticies
	426	TObjArray fHybridVerticies; // List of hybrid card verticies
	427	TObjArray fFeetPositions; // List of feet positions
	428
1a1fdef7	429	ClassDef(AliFMDRing, 0);
4347b38f	430	};
4347b38f	431	#endif
0d0e6995	432	//____________________________________________________________________
	433	//
	434	// Local Variables:
	435	// mode: C++
	436	// End:
4347b38f	437	//
	438	// EOF
	439	//