[u/mrichter/AliRoot.git] / HLT / TPCLib / AliHLTTPCSpacePointData.h

// @(#) $Id$
// Original: AliHLTSpacePointData.h,v 1.4 2003/07/27 21:02:09 loizides 

#ifndef SPACEPOINTDATA_H
#define SPACEPOINTDATA_H

#include "AliHLTTPCRootTypes.h"

/**
 * @struct AliHLTTPCSpacePointData
 * Primitive data exchange structure for TPC clusters.
 * Together with the AliHLTTPCClusterDataFormat this defines
 * the output of the TPC online Cluster Finder.
 *
 * To translate between local coordinates, global coordinates, and row-pad-time coordinates 
 * one cann use AliHLTTPCTransform. 
 *
 * See AliHLTTPCClusterFinder::WriteClusters() for example. 
 *
 * @ingroup alihlt_tpc_datastructs
 */
struct AliHLTTPCSpacePointData{
  Float_t fX;       // X coordinate in local coordinates
  Float_t fY;       // Y coordinate in local coordinates
  Float_t fZ;       // Z coordinate in local coordinates
  UInt_t fID;       // contains slice patch and number
  UChar_t fPadRow;  // Pad row number
  Float_t fSigmaY2; // error (former width) of the clusters
  Float_t fSigmaZ2; // error (former width) of the clusters
  UInt_t fCharge;   // total charge of cluster
  UInt_t fQMax;     // QMax of cluster
  Bool_t fUsed;     // only used in AliHLTTPCDisplay 
  Int_t fTrackN;    // only used in AliHLTTPCDisplay 

  static UInt_t GetSlice( UInt_t Id )  { return (Id>>25)&0x3F; }
  static UInt_t GetPatch( UInt_t Id )  { return (Id>>22)&0x7; }
  static UInt_t GetNumber( UInt_t Id ) { return Id&0x003FFFFF; }
  static UInt_t GetID( UInt_t Slice, UInt_t Patch, UInt_t Number ){
    return ((Slice&0x3F)<<25)+((Patch&0x7)<<22) + (Number&0x003FFFFF);
  }

  void SetID( UInt_t Slice, UInt_t Patch, UInt_t Number ){
    fID = GetID(Slice, Patch,Number);
  }
  UInt_t GetSlice() const { return GetSlice(fID); }
  UInt_t GetPatch() const { return GetPatch(fID); }
  UInt_t GetNumber() const { return GetNumber(fID); }

};
typedef struct AliHLTTPCSpacePointData AliHLTTPCSpacePointData;


#endif /* SPACEPOINTDATA_H */
Commit	Line	Data
a6c02c85	1	// @(#) $Id$
4aa41877	2	// Original: AliHLTSpacePointData.h,v 1.4 2003/07/27 21:02:09 loizides
a6c02c85	3
	4	#ifndef SPACEPOINTDATA_H
	5	#define SPACEPOINTDATA_H
	6
	7	#include "AliHLTTPCRootTypes.h"
297174de	8
	9	/**
	10	* @struct AliHLTTPCSpacePointData
	11	* Primitive data exchange structure for TPC clusters.
	12	* Together with the AliHLTTPCClusterDataFormat this defines
	13	* the output of the TPC online Cluster Finder.
	14	*
2ce3159d	15	* To translate between local coordinates, global coordinates, and row-pad-time coordinates
	16	* one cann use AliHLTTPCTransform.
	17	*
	18	* See AliHLTTPCClusterFinder::WriteClusters() for example.
	19	*
297174de	20	* @ingroup alihlt_tpc_datastructs
297174de	21	*/
a6c02c85	22	struct AliHLTTPCSpacePointData{
2ce3159d	23	Float_t fX; // X coordinate in local coordinates
	24	Float_t fY; // Y coordinate in local coordinates
	25	Float_t fZ; // Z coordinate in local coordinates
	26	UInt_t fID; // contains slice patch and number
	27	UChar_t fPadRow; // Pad row number
	28	Float_t fSigmaY2; // error (former width) of the clusters
	29	Float_t fSigmaZ2; // error (former width) of the clusters
	30	UInt_t fCharge; // total charge of cluster
a912b63b	31	UInt_t fQMax; // QMax of cluster
44be0fde	32	Bool_t fUsed; // only used in AliHLTTPCDisplay
738c049f	33	Int_t fTrackN; // only used in AliHLTTPCDisplay
a371a266	34
	35	static UInt_t GetSlice( UInt_t Id ) { return (Id>>25)&0x3F; }
	36	static UInt_t GetPatch( UInt_t Id ) { return (Id>>22)&0x7; }
	37	static UInt_t GetNumber( UInt_t Id ) { return Id&0x003FFFFF; }
	38	static UInt_t GetID( UInt_t Slice, UInt_t Patch, UInt_t Number ){
	39	return ((Slice&0x3F)<<25)+((Patch&0x7)<<22) + (Number&0x003FFFFF);
	40	}
	41
	42	void SetID( UInt_t Slice, UInt_t Patch, UInt_t Number ){
	43	fID = GetID(Slice, Patch,Number);
	44	}
	45	UInt_t GetSlice() const { return GetSlice(fID); }
	46	UInt_t GetPatch() const { return GetPatch(fID); }
	47	UInt_t GetNumber() const { return GetNumber(fID); }
	48
a6c02c85	49	};
	50	typedef struct AliHLTTPCSpacePointData AliHLTTPCSpacePointData;
	51
	52
	53	#endif /* SPACEPOINTDATA_H */