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Add senseWireHit as in edm4hep PR
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BrieucF committed Dec 17, 2024
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51 changes: 51 additions & 0 deletions DCHdigi/dataFormatExtension/driftChamberHit.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -143,6 +143,41 @@ datatypes:

# end of "the following is just because interface looks for e.g. extension/TrackerHit3DCollection.h"

# new version of digitized drift chamber digi, resulting from https://github.com/key4hep/EDM4hep/pull/385 discussion
# defined here for validation before to merge in central edm4hep
extension::SenseWireHit:
Description: "Sense wire hit, before the hit position degeneracy is resolved. The circle representing possible positions is parametrized with its center, radius and normal vector (given by the wire direction)."
Author: "EDM4hep authors"
Members:
- uint64_t cellID // ID of the sensor that created this hit
- int32_t type // type of the raw data hit
- int32_t quality // quality bit flag of the hit
- float time [ns] // time of the hit
- float eDep [GeV] // energy deposited by the hit
- float eDepError [GeV] // error on eDep
- float wireStereoAngle // angle between the sense wire axis and the drift chamber axis (usually the z-axis) - use it together with wireAzimuthalAngle to get the wire direction
- float wireAzimuthalAngle // azimuthal angle at the middle of the sense wire - use it together with wireStereoAngle to get the wire direction
- edm4hep::Vector3d position [mm] // point on the sense wire which is closest to the hit (center of the circle)
- double positionAlongWireError [mm] // error on the hit position along the wire direction
- float distanceToWire [mm] // distance between the hit and the wire (radius of the circle)
- float distanceToWireError [mm] // error on distanceToWire
VectorMembers:
- uint16_t nElectrons // number of electrons for each cluster (number of clusters = vector size)
ExtraCode:
declaration: "
/// Return the number of clusters associated to the hit\n
auto getNClusters() const { return getNElectrons().size(); }\n
"

extension::SenseWireHitSimTrackerHitLink:
Description: "Link between a SenseWireHit and a SimTrackerHit"
Author: "EDM4hep authors"
Members:
- float weight // weight of this link
OneToOneRelations:
- extension::SenseWireHit from // reference to the SenseWireHit
- edm4hep::SimTrackerHit to // reference to the SimTrackerHit

interfaces:
extension::TrackerHit:
Description: "Tracker hit interface class"
Expand All @@ -159,3 +194,19 @@ interfaces:
- extension::TrackerHitPlane
- extension::TrackerHit3D
- extension::DriftChamberDigiV2

extension::TrackerHit_dev:
Description: "Tracker hit interface class to test the mixing of extension and edm4hep data types"
Author: "Thomas Madlener, DESY"
Members:
- uint64_t cellID // ID of the sensor that created this hit
- int32_t type // type of the raw data hit
- int32_t quality // quality bit flag of the hit
- float time [ns] // time of the hit
- float eDep [GeV] // energy deposited on the hit
- float eDepError [GeV] // error measured on eDep
- edm4hep::Vector3d position [mm] // hit position
Types:
- edm4hep::TrackerHitPlane
- edm4hep::TrackerHit3D
- extension::SenseWireHit

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