[u/mrichter/AliRoot.git] / TRD / AliTRDpadPlane.h

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

/* $Id: AliTRDpadPlane.h,v */

//////////////////////////////////////////////////
//                                              //
//  TRD pad plane class                         //
//                                              //
//  Contains the information on pad postions,   //
//  pad dimensions, tilting angle, etc.         //
//  It also provides methods to identify the    //
//  current pad number from global coordinates. //
//                                              //
//////////////////////////////////////////////////

#include <TObject.h>

class AliTRDgeometry;

//_____________________________________________________________________________
class AliTRDpadPlane : public TObject {

 public:

  AliTRDpadPlane();
  AliTRDpadPlane(Int_t p, Int_t c);
  AliTRDpadPlane(const AliTRDpadPlane &p);
  virtual           ~AliTRDpadPlane();
  AliTRDpadPlane    &operator=(const AliTRDpadPlane &p);
  virtual void       Copy(TObject &p) const;

  Int_t    GetPadRowNumber(Double_t z) const;
  Int_t    GetPadRowNumberROC(Double_t z) const;
  Int_t    GetPadColNumber(Double_t rphi) const;

  Double_t GetTiltOffset(Double_t rowOffset) const 
                                             { return fTiltingTan * (rowOffset - 0.5*fLengthIPad); };

  Double_t GetPadRowOffset(Int_t row, Double_t z) const
                                             { if ((row < 0) || (row >= fNrows))
                                                 return -1.0;
                                               else 
                                                 return fPadRow[row] + fPadRowSMOffset - z;        };
  Double_t GetPadRowOffsetROC(Int_t row, Double_t z) const
                                             { if ((row < 0) || (row >= fNrows))
                                                 return -1.0;
                                               else 
                                                 return fPadRow[row] - z;    };

  Double_t GetPadColOffset(Int_t col, Double_t rphi) const
                                             { if ((col < 0) || (col >= fNcols))
                                                 return -1.0;
                                               else
                                                 return fPadCol[col] - rphi; };

  Double_t GetTiltingAngle() const           { return fTiltingAngle; };

  Int_t    GetNrows() const                  { return fNrows;        };
  Int_t    GetNcols() const                  { return fNcols;        };

  Double_t GetRow0() const                   { return fPadRow[0] + fPadRowSMOffset;    };
  Double_t GetRow0ROC() const                { return fPadRow[0];    };
  Double_t GetCol0() const                   { return fPadCol[0];    };

  Double_t GetRowEnd() const                 { return fPadRow[fNrows-1] - fLengthOPad + fPadRowSMOffset; };
  Double_t GetRowEndROC() const              { return fPadRow[fNrows-1] - fLengthOPad; };
  Double_t GetColEnd() const                 { return fPadCol[fNcols-1] - fWidthOPad;  };

  Double_t GetRowPos(Int_t row) const        { return fPadRow[row] + fPadRowSMOffset;  };
  Double_t GetRowPosROC(Int_t row) const     { return fPadRow[row];  };
  Double_t GetColPos(Int_t col) const        { return fPadCol[col];  };
  
  Double_t GetRowSize(Int_t row) const       { if ((row == 0) || (row == fNrows-1))
                                                 return fLengthOPad;
                                               else
                                                 return fLengthIPad; };
  Double_t GetColSize(Int_t col) const       { if ((col == 0) || (col == fNcols-1))
                                                 return fWidthOPad;
                                               else
                                                  return fWidthIPad; };
  Double_t GetLengthRim() const              { return fLengthRim;    };

 protected:

  AliTRDgeometry *fGeo;       //! TRD geometry       

  Int_t     fPla;             //  Plane number
  Int_t     fCha;             //  Chamber number

  Double_t  fLength;          //  Length of pad plane in z-direction (row)
  Double_t  fWidth;           //  Width of pad plane in rphi-direction (col)

  Double_t  fLengthRim;       //  Length of the rim in z-direction (row)
  Double_t  fWidthRim;        //  Width of the rim in rphi-direction (col)

  Double_t  fLengthOPad;      //  Length of an outer pad in z-direction (row)
  Double_t  fWidthOPad;       //  Width of an outer pad in rphi-direction (col)

  Double_t  fLengthIPad;      //  Length of an inner pad in z-direction (row)
  Double_t  fWidthIPad;       //  Width of an inner pad in rphi-direction (col)

  Double_t  fRowSpacing;      //  Spacing between the pad rows
  Double_t  fColSpacing;      //  Spacing between the pad columns

  Int_t     fNrows;           //  Number of rows
  Int_t     fNcols;           //  Number of columns

  Double_t  fTiltingAngle;    //  Pad tilting angle  
  Double_t  fTiltingTan;      //  Tangens of pad tilting angle

  Double_t *fPadRow;          //! Pad border positions in row direction
  Double_t *fPadCol;          //! Pad border positions in column direction

  Double_t  fPadRowSMOffset;  //  To be added to translate local ROC system to local SM system

  ClassDef(AliTRDpadPlane,3)  //  TRD ROC pad plane

};

#endif
Commit	Line	Data
e0d47c25	1	#ifndef ALITRDPADPLANE_H
	2	#define ALITRDPADPLANE_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id: AliTRDpadPlane.h,v */
	7
	8	//////////////////////////////////////////////////
	9	// //
	10	// TRD pad plane class //
	11	// //
	12	// Contains the information on pad postions, //
	13	// pad dimensions, tilting angle, etc. //
	14	// It also provides methods to identify the //
	15	// current pad number from global coordinates. //
	16	// //
	17	//////////////////////////////////////////////////
	18
	19	#include <TObject.h>
	20
	21	class AliTRDgeometry;
	22
	23	//_____________________________________________________________________________
	24	class AliTRDpadPlane : public TObject {
	25
	26	public:
	27
	28	AliTRDpadPlane();
	29	AliTRDpadPlane(Int_t p, Int_t c);
	30	AliTRDpadPlane(const AliTRDpadPlane &p);
	31	virtual ~AliTRDpadPlane();
	32	AliTRDpadPlane &operator=(const AliTRDpadPlane &p);
	33	virtual void Copy(TObject &p) const;
	34
98ce8151	35	Int_t GetPadRowNumber(Double_t z) const;
4329977a	36	Int_t GetPadRowNumberROC(Double_t z) const;
	37	Int_t GetPadColNumber(Double_t rphi) const;
	38
6d17a2b7	39	Double_t GetTiltOffset(Double_t rowOffset) const
6d17a2b7	40	{ return fTiltingTan * (rowOffset - 0.5*fLengthIPad); };
4329977a	41
98ce8151	42	Double_t GetPadRowOffset(Int_t row, Double_t z) const
4329977a	43	{ if ((row < 0) \|\| (row >= fNrows))
	44	return -1.0;
	45	else
	46	return fPadRow[row] + fPadRowSMOffset - z; };
	47	Double_t GetPadRowOffsetROC(Int_t row, Double_t z) const
a5cadd36	48	{ if ((row < 0) \|\| (row >= fNrows))
	49	return -1.0;
	50	else
	51	return fPadRow[row] - z; };
	52
98ce8151	53	Double_t GetPadColOffset(Int_t col, Double_t rphi) const
a5cadd36	54	{ if ((col < 0) \|\| (col >= fNcols))
	55	return -1.0;
	56	else
	57	return fPadCol[col] - rphi; };
	58
	59	Double_t GetTiltingAngle() const { return fTiltingAngle; };
	60
	61	Int_t GetNrows() const { return fNrows; };
	62	Int_t GetNcols() const { return fNcols; };
	63
4329977a	64	Double_t GetRow0() const { return fPadRow[0] + fPadRowSMOffset; };
4329977a	65	Double_t GetRow0ROC() const { return fPadRow[0]; };
a5cadd36	66	Double_t GetCol0() const { return fPadCol[0]; };
a5cadd36	67
4329977a	68	Double_t GetRowEnd() const { return fPadRow[fNrows-1] - fLengthOPad + fPadRowSMOffset; };
4329977a	69	Double_t GetRowEndROC() const { return fPadRow[fNrows-1] - fLengthOPad; };
d3d2d3e8	70	Double_t GetColEnd() const { return fPadCol[fNcols-1] - fWidthOPad; };
a5cadd36	71
4329977a	72	Double_t GetRowPos(Int_t row) const { return fPadRow[row] + fPadRowSMOffset; };
4329977a	73	Double_t GetRowPosROC(Int_t row) const { return fPadRow[row]; };
3becff3c	74	Double_t GetColPos(Int_t col) const { return fPadCol[col]; };
e0d47c25	75
3becff3c	76	Double_t GetRowSize(Int_t row) const { if ((row == 0) \|\| (row == fNrows-1))
a5cadd36	77	return fLengthOPad;
	78	else
	79	return fLengthIPad; };
3becff3c	80	Double_t GetColSize(Int_t col) const { if ((col == 0) \|\| (col == fNcols-1))
a5cadd36	81	return fWidthOPad;
a5cadd36	82	else
3becff3c	83	return fWidthIPad; };
3becff3c	84	Double_t GetLengthRim() const { return fLengthRim; };
a5cadd36	85
e0d47c25	86	protected:
	87
	88	AliTRDgeometry *fGeo; //! TRD geometry
	89
	90	Int_t fPla; // Plane number
	91	Int_t fCha; // Chamber number
	92
	93	Double_t fLength; // Length of pad plane in z-direction (row)
	94	Double_t fWidth; // Width of pad plane in rphi-direction (col)
	95
	96	Double_t fLengthRim; // Length of the rim in z-direction (row)
	97	Double_t fWidthRim; // Width of the rim in rphi-direction (col)
	98
	99	Double_t fLengthOPad; // Length of an outer pad in z-direction (row)
	100	Double_t fWidthOPad; // Width of an outer pad in rphi-direction (col)
	101
	102	Double_t fLengthIPad; // Length of an inner pad in z-direction (row)
	103	Double_t fWidthIPad; // Width of an inner pad in rphi-direction (col)
	104
	105	Double_t fRowSpacing; // Spacing between the pad rows
	106	Double_t fColSpacing; // Spacing between the pad columns
	107
	108	Int_t fNrows; // Number of rows
	109	Int_t fNcols; // Number of columns
	110
	111	Double_t fTiltingAngle; // Pad tilting angle
4ffb371b	112	Double_t fTiltingTan; // Tangens of pad tilting angle
e0d47c25	113
	114	Double_t *fPadRow; //! Pad border positions in row direction
	115	Double_t *fPadCol; //! Pad border positions in column direction
	116
4329977a	117	Double_t fPadRowSMOffset; // To be added to translate local ROC system to local SM system
	118
	119	ClassDef(AliTRDpadPlane,3) // TRD ROC pad plane
e0d47c25	120
	121	};
	122
	123	#endif