[u/mrichter/AliRoot.git] / PWG2 / FORWARD / analysis2 / AliForwardUtil.h

#ifndef ALIROOT_PWG2_FORWARD_ALIFORWARDUTIL_H
#define ALIROOT_PWG2_FORWARD_ALIFORWARDUTIL_H
#include <TObject.h>
class TH2D;
class TAxis;

/** 
 * Utilities used in the forward multiplcity analysis 
 * 
 * @ingroup pwg2_forward_analysis 
 */
class AliForwardUtil : public TObject
{
 public:
  /** 
   * Structure to hold histograms 
   *
   * @ingroup pwg2_forward_analysis 
   */
  struct Histos : public TObject
  {	
    /** 
     * Constructor 
     * 
     * 
     */
    Histos() : fFMD1i(0), fFMD2i(0), fFMD2o(0), fFMD3i(0), fFMD3o(0) {}
    /** 
     * Copy constructor 
     * 
     * @param o Object to copy from 
     */
    Histos(const Histos& o) 
      : TObject(o), 
	fFMD1i(o.fFMD1i), 
	fFMD2i(o.fFMD2i), 
	fFMD2o(o.fFMD2o), 
	fFMD3i(o.fFMD3i), 
	fFMD3o(o.fFMD3o)
    {}
    /** 
     * Assignement operator 
     * 
     * @return Reference to this 
     */
    Histos& operator=(const Histos&) { return *this;}
    /** 
     * Destructor
     */
    ~Histos();
    /** 
     * Initialize the object 
     * 
     * @param etaAxis Eta axis to use 
     */
    void Init(const TAxis& etaAxis);
    /** 
     * Make a histogram 
     * 
     * @param d        Detector
     * @param r        Ring 
     * @param etaAxis  Eta axis to use
     * 
     * @return Newly allocated histogram 
     */
    TH2D* Make(UShort_t d, Char_t r, const TAxis& etaAxis) const;
    /** 
     * Clear data 
     * 
     * @param option Not used 
     */
    void  Clear(Option_t* option="");
    // const TH2D* Get(UShort_t d, Char_t r) const;
    /** 
     * Get the histogram for a particular detector,ring
     * 
     * @param d Detector 
     * @param r Ring 
     * 
     * @return Histogram for detector,ring or nul 
     */
    TH2D* Get(UShort_t d, Char_t r) const;
    TH2D* fFMD1i; // Histogram for FMD1i
    TH2D* fFMD2i; // Histogram for FMD2i
    TH2D* fFMD2o; // Histogram for FMD2o
    TH2D* fFMD3i; // Histogram for FMD3i
    TH2D* fFMD3o; // Histogram for FMD3o
  };

};

#endif
// Local Variables:
//  mode: C++
// End:
Commit	Line	Data
7e4038b5	1	#ifndef ALIROOT_PWG2_FORWARD_ALIFORWARDUTIL_H
	2	#define ALIROOT_PWG2_FORWARD_ALIFORWARDUTIL_H
	3	#include <TObject.h>
	4	class TH2D;
	5	class TAxis;
	6
	7	/**
	8	* Utilities used in the forward multiplcity analysis
	9	*
	10	* @ingroup pwg2_forward_analysis
	11	*/
	12	class AliForwardUtil : public TObject
	13	{
	14	public:
	15	/**
	16	* Structure to hold histograms
	17	*
	18	* @ingroup pwg2_forward_analysis
	19	*/
	20	struct Histos : public TObject
	21	{
	22	/**
	23	* Constructor
	24	*
	25	*
	26	*/
	27	Histos() : fFMD1i(0), fFMD2i(0), fFMD2o(0), fFMD3i(0), fFMD3o(0) {}
	28	/**
	29	* Copy constructor
	30	*
	31	* @param o Object to copy from
	32	*/
	33	Histos(const Histos& o)
	34	: TObject(o),
	35	fFMD1i(o.fFMD1i),
	36	fFMD2i(o.fFMD2i),
	37	fFMD2o(o.fFMD2o),
	38	fFMD3i(o.fFMD3i),
	39	fFMD3o(o.fFMD3o)
	40	{}
	41	/**
	42	* Assignement operator
	43	*
	44	* @return Reference to this
	45	*/
	46	Histos& operator=(const Histos&) { return *this;}
	47	/**
	48	* Destructor
	49	*/
	50	~Histos();
	51	/**
	52	* Initialize the object
	53	*
	54	* @param etaAxis Eta axis to use
	55	*/
	56	void Init(const TAxis& etaAxis);
	57	/**
	58	* Make a histogram
	59	*
	60	* @param d Detector
	61	* @param r Ring
	62	* @param etaAxis Eta axis to use
	63	*
	64	* @return Newly allocated histogram
65	*/
66	TH2D* Make(UShort_t d, Char_t r, const TAxis& etaAxis) const;
67	/**
68	* Clear data
69	*
70	* @param option Not used
71	*/
72	void Clear(Option_t* option="");
73	// const TH2D* Get(UShort_t d, Char_t r) const;
74	/**
75	* Get the histogram for a particular detector,ring
76	*
77	* @param d Detector
78	* @param r Ring
79	*
80	* @return Histogram for detector,ring or nul
81	*/
82	TH2D* Get(UShort_t d, Char_t r) const;
83	TH2D* fFMD1i; // Histogram for FMD1i
84	TH2D* fFMD2i; // Histogram for FMD2i
85	TH2D* fFMD2o; // Histogram for FMD2o
86	TH2D* fFMD3i; // Histogram for FMD3i
87	TH2D* fFMD3o; // Histogram for FMD3o
88	};
89
90	};
91
92	#endif
93	// Local Variables:
94	// mode: C++
95	// End:
96