hcal::HcalTriggerGeometry Class Reference

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 *	hcal_geometry_
	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.

    : ConditionsObject(CONDITIONS_OBJECT_NAME), hcal_geometry_{hcalGeom} {}

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 46 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 52 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 i_strip = 0; i_strip < 4; i_strip++) {
    int strip = i_strip + 4 * triggerCell.superstrip();
    if (strip >= hcal_geometry_->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 i_strip = 0; i_strip < 8; i_strip++) {
    for (int i_layer = 0; i_layer < 2; i_layer++) {
      int strip = i_strip + 8 * triggerCell.superstrip();
      if (strip >= hcal_geometry_->getNumStrips(triggerCell.section()))
        continue;
      int tlayer = triggerCell.layer();
      int player = 2 * (tlayer + i_strip) - tlayer % 2;
      if (player >= hcal_geometry_->getNumLayers(triggerCell.section()))
        continue;
      retval.push_back(ldmx::HcalDigiID(triggerCell.section(), player, strip,
                                        triggerCell.end()));
    }
  }
  return retval;
}

Member Data Documentation

CONDITIONS_OBJECT_NAME

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

staticconstexpr

Definition at line 27 of file HcalTriggerGeometry.h.

{"HcalTriggerGeometry"};

hcal_geometry_

const ldmx::HcalGeometry* hcal::HcalTriggerGeometry::hcal_geometry_

private

Reference to the Hcal geometry used for trigger geometry information.

Definition at line 49 of file HcalTriggerGeometry.h.

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The documentation for this class was generated from the following files:

• Hcal/include/Hcal/HcalTriggerGeometry.h
• Hcal/src/Hcal/HcalTriggerGeometry.cxx