defines the relationship between HCal strips and CMB quad trigger primitives and provides geometry information for trigger primitives More...

#include <HcalTriggerGeometry.h>

Public Member Functions
	HcalTriggerGeometry (const ldmx::HcalGeometry *hcalGeom=0)

std::vector< ldmx::HcalDigiID >	contentsOfQuad (ldmx::HcalTriggerID triggerCell) const
	Returns the set of precision (full-granularity/DAQ) cells which are associated with the given trigger cell.

std::vector< ldmx::HcalDigiID >	contentsOfSTQ (ldmx::HcalTriggerID triggerCell) const

ldmx::HcalTriggerID	belongsToQuad (ldmx::HcalDigiID precisionCell) const
	Returns which trigger cell this precision cell is associated with, or a null id if there is no such association.

ldmx::HcalTriggerID	belongsToSTQ (ldmx::HcalDigiID precisionCell) const

Public Member Functions inherited from framework::ConditionsObject
	ConditionsObject (const std::string &name)
	Class constructor.

virtual	~ConditionsObject ()
	Destructor.

std::string	getName () const
	Get the name of this object.

Static Public Attributes
static constexpr const char *	CONDITIONS_OBJECT_NAME {"HcalTriggerGeometry"}

Private Attributes
const ldmx::HcalGeometry *	hcalGeometry_
	Reference to the Hcal geometry used for trigger geometry information.

Detailed Description

defines the relationship between HCal strips and CMB quad trigger primitives and provides geometry information for trigger primitives

Definition at line 25 of file HcalTriggerGeometry.h.

Constructor & Destructor Documentation

◆ HcalTriggerGeometry()

hcal::HcalTriggerGeometry::HcalTriggerGeometry ( const ldmx::HcalGeometry * hcalGeom = 0 )

Definition at line 12 of file HcalTriggerGeometry.cxx.

13 : ConditionsObject(CONDITIONS_OBJECT_NAME), hcalGeometry_{hcalGeom} {}

framework::ConditionsObject::ConditionsObject

ConditionsObject(const std::string &name)

Class constructor.

Definition ConditionsObject.h:23

hcal::HcalTriggerGeometry::hcalGeometry_

const ldmx::HcalGeometry * hcalGeometry_

Reference to the Hcal geometry used for trigger geometry information.

Definition HcalTriggerGeometry.h:49

Member Function Documentation

◆ belongsToQuad()

ldmx::HcalTriggerID hcal::HcalTriggerGeometry::belongsToQuad ( ldmx::HcalDigiID precisionCell ) const

Returns which trigger cell this precision cell is associated with, or a null id if there is no such association.

Definition at line 45 of file HcalTriggerGeometry.cxx.

                                        {
  return ldmx::HcalTriggerID(precisionCell.section(), precisionCell.layer(),
                             precisionCell.strip() / 4, precisionCell.end());
}

References ldmx::HcalDigiID::end(), ldmx::HcalDigiID::layer(), ldmx::HcalDigiID::section(), and ldmx::HcalDigiID::strip().

Referenced by hcal::HcalTrigPrimDigiProducer::produce().

◆ belongsToSTQ()

ldmx::HcalTriggerID hcal::HcalTriggerGeometry::belongsToSTQ ( ldmx::HcalDigiID precisionCell ) const

Definition at line 51 of file HcalTriggerGeometry.cxx.

                                        {
  // 2x2 groups of quads, with "superlayers" like:
  // 0 1 0 1 2 3 2 3 ...
  // V H V H V H V H ...
  int layer = precisionCell.layer();
  int superlayer = 2 * (layer / 4) + (layer % 4) % 2;
  return ldmx::HcalTriggerID(precisionCell.section(), superlayer,
                             precisionCell.strip() / 8, precisionCell.end());
}

◆ contentsOfQuad()

std::vector< ldmx::HcalDigiID > hcal::HcalTriggerGeometry::contentsOfQuad ( ldmx::HcalTriggerID triggerCell ) const

Returns the set of precision (full-granularity/DAQ) cells which are associated with the given trigger cell.

Definition at line 15 of file HcalTriggerGeometry.cxx.

                                         {
  std::vector<ldmx::HcalDigiID> retval;
  for (int iStrip = 0; iStrip < 4; iStrip++) {
    int strip = iStrip + 4 * triggerCell.superstrip();
    if (strip >= hcalGeometry_->getNumStrips(triggerCell.section())) break;
    retval.push_back(ldmx::HcalDigiID(
        triggerCell.section(), triggerCell.layer(), strip, triggerCell.end()));
  }
  return retval;
}

References ldmx::HcalTriggerID::end(), ldmx::HcalTriggerID::layer(), and ldmx::HcalTriggerID::superstrip().

Referenced by hcal::HcalTrigPrimDigiProducer::produce().

◆ contentsOfSTQ()

std::vector< ldmx::HcalDigiID > hcal::HcalTriggerGeometry::contentsOfSTQ ( ldmx::HcalTriggerID triggerCell ) const

Definition at line 27 of file HcalTriggerGeometry.cxx.

                                         {
  std::vector<ldmx::HcalDigiID> retval;
  for (int iStrip = 0; iStrip < 8; iStrip++) {
    for (int iLayer = 0; iLayer < 2; iLayer++) {
      int strip = iStrip + 8 * triggerCell.superstrip();
      if (strip >= hcalGeometry_->getNumStrips(triggerCell.section())) continue;
      int tlayer = triggerCell.layer();
      int player = 2 * (tlayer + iStrip) - tlayer % 2;
      if (player >= hcalGeometry_->getNumLayers(triggerCell.section()))
        continue;
      retval.push_back(ldmx::HcalDigiID(triggerCell.section(), player, strip,
                                        triggerCell.end()));
    }
  }
  return retval;
}

Member Data Documentation

◆ CONDITIONS_OBJECT_NAME

constexpr const char* hcal::HcalTriggerGeometry::CONDITIONS_OBJECT_NAME {"HcalTriggerGeometry"}

staticconstexpr

Definition at line 27 of file HcalTriggerGeometry.h.

27{"HcalTriggerGeometry"};

◆ hcalGeometry_

const ldmx::HcalGeometry* hcal::HcalTriggerGeometry::hcalGeometry_

private