DDIRCGeometry.h

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// $Id$
//
//    File: DDIRCGeometry.h
//

#ifndef _DDIRCGeometry_
#define _DDIRCGeometry_

#include <JANA/JFactory.h>
#include <JANA/JObject.h>
#include <JANA/JCalibration.h>

using namespace jana;

class DDIRCGeometry : public JObject {

public:
   
   JOBJECT_PUBLIC(DDIRCGeometry);

   DDIRCGeometry(int runnumber);
   ~DDIRCGeometry(){}

   // these numbers are fixed for the DIRC as constructed
   // it probably doesn't make sense to retrieve them
   // from a database as they aren't going to change unless
   // the detector is reconstructed
   
   // get bar # from y positions
   int GetBar   ( float y ) const;
   // get bar X, Y and Length from bar #
   double GetBarY ( int locBar ) const;
   double GetBarEnd ( int locBar ) const;
   double GetBarLength ( int locBar ) const;

   // get PMT and Pixel indices
   int GetPmtID      ( int channel ) const;
   int GetPmtRow     ( int channel ) const;
   int GetPmtColumn  ( int channel ) const;
   int GetPixelID      ( int channel ) const;
   int GetPmtPixelRow     ( int channel ) const;
   int GetPmtPixelColumn  ( int channel ) const;
   int GetPixelRow     ( int channel ) const;
   int GetPixelColumn  ( int channel ) const;
   int GetPixelX       ( int channel ) const;
   int GetPixelY       ( int channel ) const;

   void toStrings(vector<pair<string,string> > &items) const {
      //AddString(items, "kBlocksWide", "%d", (int)kBlocksWide);
      //AddString(items, "kBlocksTall", "%d", (int)kBlocksTall);
      //AddString(items, "kMaxChannels", "%d", (int)kMaxChannels);
      //AddString(items, "kBeamHoleSize", "%2.3f", (int)kBeamHoleSize);
   }
   
private:

   DDIRCGeometry(); // forbid default constructor
   void Initialize(int runnumber);

   int CHANNEL_PER_PMT, PMT_ROWS, PMT_COLUMNS;

   double DIRC_BAR_END[48], DIRC_BAR_Y[48], DIRC_BAR_L[48];
   double DIRC_LUT_Z;
   double DIRC_QZBL_DY;
};

#endif // _DDIRCGeometry_