Namespaces
	ECal

	FGD

	INGRID

	P0D

	SMRD

	TPC

Typedefs
typedef unsigned long	GeomIdMask
	A bitwise mask for a field;.

typedef unsigned long	GeomIdBit
	Bit number. The bits are counted 0 (LSB) to 31 (MSB)

Enumerations
enum	DetectorId { kROOTGeoNodeId = 0, kP0D, kTPC, kFGD, kDSECal, kTECal, kPECal, kSMRD, kINGRID }

Variables
const GeomIdMask	kEmptyId = 0

const GeomIdBit	kReserved1MSB = 31
	The most significant bit of the reserved guard bit.

const GeomIdBit	kReserved1LSB = 31

const GeomIdMask	kReserved1Mask = MAKE_MASK(kReserved1MSB,kReserved1LSB)

const GeomIdBit	kDetectorIdMSB = kReserved1LSB-1

const GeomIdBit	kDetectorIdLSB = kDetectorIdMSB-5
	The least significant bit of the detector identifier.

const GeomIdMask	kDetectorIdMask = MAKE_MASK(kDetectorIdMSB,kDetectorIdLSB)
	The mask to select the detector identifier.

const GeomIdBit	kSubDetectorMSB = kDetectorIdLSB-1

const GeomIdBit	kSubDetectorLSB = 0

const GeomIdMask	kSubDetectorMask
	The mask to select the sub-detector detector fields. More...

Detailed Description

Define the fields used to create a unique identifier for elements in the ND280 geometry. This is a 32 bit field with the bits number from 0 (least significant bit or LSB) to 31 (most significant bit or MSB). The bit fields are defined as follows

r dddddd sssssssssssssssssssssssss
r(1)  -- Reserved
d(6)  -- The sub-detector identifier
s(25) -- The sub-detector specific field

The value of all constants and order of all enumerations defined below is significant and must not be changed.

Enumeration Type Documentation

§ DetectorId

enum ND::GeomId::Def::DetectorId

Enumeration defining the detector identifiers. The detector identifiers are used to uniquely define which sub-detector containes a geometry element. All geometry elements are by definition within a single sub-detector. The identifiers are held in the bit field defined by DetectorMask. The conversion from a sub-detector identifier to a field value is (value<<DetectorLSB). The conversion from a field value to a sub-detector identifier is ((field&DetectorMask)>>DetectorLSB)

Definition at line 64 of file ND280GeomIdDef.hxx.

                             {
                 kROOTGeoNodeId = 0,
                 kP0D,
                 kTPC,
                 kFGD,
                 kDSECal,
                 kTECal,
                 kPECal,
                 kSMRD,
                 kINGRID
             };

Variable Documentation

§ kDetectorIdMSB

const GeomIdBit ND::GeomId::Def::kDetectorIdMSB = kReserved1LSB-1

The most significant bit of the detector identifier. This is a 6 bit field.

Definition at line 47 of file ND280GeomIdDef.hxx.

§ kEmptyId

const GeomIdMask ND::GeomId::Def::kEmptyId = 0

A value that can be used to initialize an empty geometry identifier.

Definition at line 31 of file ND280GeomIdDef.hxx.

§ kReserved1LSB

const GeomIdBit ND::GeomId::Def::kReserved1LSB = 31

The least significant bit of the reserved guard bit. This bit must be zero for a geometry Id. The value of 1 is reserved for future use to indicate an electronics channel number.

Definition at line 38 of file ND280GeomIdDef.hxx.

§ kReserved1Mask

const GeomIdMask ND::GeomId::Def::kReserved1Mask = MAKE_MASK(kReserved1MSB,kReserved1LSB)

The mask to select the first reserved field. The value in the first reserved field must be zero.

Definition at line 43 of file ND280GeomIdDef.hxx.

§ kSubDetectorLSB

const GeomIdBit ND::GeomId::Def::kSubDetectorLSB = 0

The least significant bit in the field reserved to the sub-detector.

Definition at line 81 of file ND280GeomIdDef.hxx.

§ kSubDetectorMask

const GeomIdMask ND::GeomId::Def::kSubDetectorMask

Initial value:

= MAKE_MASK(kSubDetectorMSB,

kSubDetectorLSB)

The mask to select the sub-detector detector fields.

Definition at line 84 of file ND280GeomIdDef.hxx.

§ kSubDetectorMSB

const GeomIdBit ND::GeomId::Def::kSubDetectorMSB = kDetectorIdLSB-1

The most significant bit in the field reserved to the sub-detector.

Definition at line 78 of file ND280GeomIdDef.hxx.

Namespaces

Typedefs

Enumerations

Variables