[u/mrichter/AliRoot.git] / MUON / AliMUONGeometryMisAligner.h

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

// $Id$

/// \ingroup geometry
/// \class AliMUONGeometryMisAligner
/// \brief Class for misalignment of geometry transformations
///
/// Author: Bruce Becker


#ifndef ALI_MUON_GEOMETRY_MIS_ALIGNER_H
#define ALI_MUON_GEOMETRY_MIS_ALIGNER_H

#include <TObject.h>
#include <TGeoMatrix.h>
class TRandom;

class AliMUONGeometryTransformer;

class AliMUONGeometryMisAligner:public TObject
{
 public:
  AliMUONGeometryMisAligner(Double_t cartMisAlig, Double_t angMisAlig);
  AliMUONGeometryMisAligner();
  virtual ~AliMUONGeometryMisAligner();
  
  //_________________________________________________________________
  // methods
  
  // return a misaligned geometry obtained from the existing one.
  AliMUONGeometryTransformer* MisAlign(const AliMUONGeometryTransformer* transformer, Bool_t verbose = kFALSE);
  
  // return a misaligned transformation
  TGeoCombiTrans MisAlign(const TGeoCombiTrans& transform) const;

  void SetMaxCartMisAlig(Double_t offset)
    {fMaxCartMisAlig = offset ;}
  
  void SetMaxAngMisAlig(Double_t offset)
    {fMaxAngMisAlig = offset;}
  
  void SetXYAngMisAligFactor(Double_t factor);
  
  
 protected:
  AliMUONGeometryMisAligner(const AliMUONGeometryMisAligner & right);
  AliMUONGeometryMisAligner & operator =(const AliMUONGeometryMisAligner &right);
  
 private:
  Double_t fMaxCartMisAlig;   // cartesian displacement range, set by SetMaxCartMisAlig (translations)
  Double_t fMaxAngMisAlig;    // Angular displacement range (rotations)
  Double_t fXYAngMisAligFactor; // factor (<1) to apply to angular misalignment range since range of motion is restricted out of the xy plane
  TRandom *fDisplacementGenerator;  // random number generator for the displacements
  
  ClassDef(AliMUONGeometryMisAligner,2)	// Geometry parametrisation
};

#endif //ALI_MUON_GEOMETRY_MIS_ALIGNER_H
Commit	Line	Data
21dd83fc	1	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	2	* See cxx source for full Copyright notice */
	3
	4	// $Id$
	5
	6	/// \ingroup geometry
	7	/// \class AliMUONGeometryMisAligner
	8	/// \brief Class for misalignment of geometry transformations
	9	///
	10	/// Author: Bruce Becker
	11
	12
	13	#ifndef ALI_MUON_GEOMETRY_MIS_ALIGNER_H
	14	#define ALI_MUON_GEOMETRY_MIS_ALIGNER_H
	15
	16	#include <TObject.h>
	17	#include <TGeoMatrix.h>
	18	class TRandom;
	19
	20	class AliMUONGeometryTransformer;
	21
	22	class AliMUONGeometryMisAligner:public TObject
	23	{
	24	public:
	25	AliMUONGeometryMisAligner(Double_t cartMisAlig, Double_t angMisAlig);
	26	AliMUONGeometryMisAligner();
	27	virtual ~AliMUONGeometryMisAligner();
	28
	29	//_________________________________________________________________
	30	// methods
	31
	32	// return a misaligned geometry obtained from the existing one.
	33	AliMUONGeometryTransformer* MisAlign(const AliMUONGeometryTransformer* transformer, Bool_t verbose = kFALSE);
	34
	35	// return a misaligned transformation
	36	TGeoCombiTrans MisAlign(const TGeoCombiTrans& transform) const;
	37
	38	void SetMaxCartMisAlig(Double_t offset)
	39	{fMaxCartMisAlig = offset ;}
	40
	41	void SetMaxAngMisAlig(Double_t offset)
	42	{fMaxAngMisAlig = offset;}
	43
	44	void SetXYAngMisAligFactor(Double_t factor);
	45
	46
	47	protected:
	48	AliMUONGeometryMisAligner(const AliMUONGeometryMisAligner & right);
	49	AliMUONGeometryMisAligner & operator =(const AliMUONGeometryMisAligner &right);
	50
	51	private:
	52	Double_t fMaxCartMisAlig; // cartesian displacement range, set by SetMaxCartMisAlig (translations)
	53	Double_t fMaxAngMisAlig; // Angular displacement range (rotations)
	54	Double_t fXYAngMisAligFactor; // factor (<1) to apply to angular misalignment range since range of motion is restricted out of the xy plane
	55	TRandom *fDisplacementGenerator; // random number generator for the displacements
	56
	57	ClassDef(AliMUONGeometryMisAligner,2) // Geometry parametrisation
	58	};
	59
	60	#endif //ALI_MUON_GEOMETRY_MIS_ALIGNER_H
	61
	62
	63
	64