L1Trigger/CSCTriggerPrimitives/interface/CSCPatternBank.h - master - githubmirror/cmssw

L1Trigger/CSCTriggerPrimitives/interface/CSCPatternBank.h
65 строк2 KB
Sven Dildick
Do not split up ME1/1 readout into ME1/a and ME1/b
23 июн 2021, 22:39
23 июн 2021, 22:3938eba2c
#ifndef L1Trigger_CSCTriggerPrimitives_CSCPatternBank_h
#define L1Trigger_CSCTriggerPrimitives_CSCPatternBank_h

#include "DataFormats/CSCDigi/interface/CSCConstants.h"
#include <vector>

//
// Class with only static members that contains the ALCT and CLCT trigger patterns
//

class CSCPatternBank {
public:
  // typedef used for both ALCT and CLCT
  typedef std::vector<std::vector<int> > LCTPattern;
  typedef std::vector<LCTPattern> LCTPatterns;

  /** Pre-defined ALCT patterns. */

  // key wire offsets for ME1 and ME2 are the same
  // offsets for ME3 and ME4 are the same
  static const int alct_keywire_offset_[2][CSCConstants::ALCT_PATTERN_WIDTH];

  // Since the test beams in 2003, both collision patterns are "completely
  // open".  This is our current default.
  static const LCTPatterns alct_pattern_legacy_;

  // Special option for narrow pattern for ring 1 stations
  static const LCTPatterns alct_pattern_r1_;

  /** Pre-defined CLCT patterns. */

  // New set of halfstrip patterns for 2007 version of the algorithm.
  // For the given pattern, set the unused parts of the pattern to 0.
  // The bend direction is given by the next-to-last number in the the 6th layer
  // Bend of 0 is right/straight and bend of 1 is left.
  // The pattern maximum width is the last number in the the 6th layer
  // Use during Run-1 and Run-2
  static const LCTPatterns clct_pattern_legacy_;

  /**
   * Fill the pattern lookup table. This table holds the average position
   * and bend for each pattern. The position is used to further improve
   * the phi resolution, and the bend is passed on to the track finding code
   * to allow it to better determine the tracks.
   * These were determined from Monte Carlo by running 100,000 events through
   * the code and finding the offset for each pattern type.
   * Note that the positions are unitless-- they are in "pattern widths"
   * meaning that they are in 1/2 strips for high pt patterns and distrips
   * for low pt patterns. BHT 26 June 2001
   */
  static double getLegacyPosition(int pattern);

  // New patterns for Run-3
  static const LCTPatterns clct_pattern_run3_;

  // half strip offsets per layer for each half strip in the pattern envelope
  static const int clct_pattern_offset_[CSCConstants::CLCT_PATTERN_WIDTH];

  // static function to return the sign of the bending in a CLCT pattern
  static int getPatternBend(const LCTPattern& pattern) {
    return pattern[CSCConstants::NUM_LAYERS - 1][CSCConstants::CLCT_PATTERN_WIDTH];
  }
};

#endif