tracking::geo Namespace Reference

Visualization. More...

Classes
class	CalibrationContext
	The context for a specific geometry. More...
class	CalibrationContextProvider
class	DetectorElement
class	GeometryContext
	The context for a specific geometry. More...
class	GeometryContextProvider
class	MagneticFieldContext
	The context for a specific geometry. More...
class	MagneticFieldContextProvider
class	SilentG4
	This class throws away all of the messages from Geant4. More...
class	TrackersTrackingGeometry
class	TrackersTrackingGeometryProvider
	The provider of a tracking geometry. More...
class	TrackingGeometry
	This class is a abstract base class (ABC) doing common tasks that tracking geometries need done. More...

Typedefs
using	tgSurfMap = std::unordered_map<unsigned int, const Acts::Surface*>

Functions
unsigned int	unpackGeometryIdentifier (const Acts::GeometryIdentifier &geoId)
	The geometry identifier will return vol=0 and lay=0 when it is not valid.
Acts::RotationMatrix3	deltaRot (const Acts::Vector3 &deltaR)

Detailed Description

Visualization.

Typedef Documentation

tgSurfMap

using tracking::geo::tgSurfMap = std::unordered_map<unsigned int, const Acts::Surface*>

Definition at line 12 of file GeometryContext.h.

Function Documentation

deltaRot()

Acts::RotationMatrix3 tracking::geo::deltaRot

(

const Acts::Vector3 &

deltaR

)

Definition at line 14 of file GeoUtils.cxx.

                                                        {
  // This is fine because RotationMatrix3 doesn't need to be symmetric
  Acts::RotationMatrix3 rot = Acts::RotationMatrix3::Identity();
  rot(0, 1) = -deltaR(2);
  rot(0, 2) = deltaR(1);
  rot(1, 2) = -deltaR(0);
 
  rot(1, 0) = -rot(0, 1);
  rot(2, 0) = -rot(0, 2);
  rot(2, 1) = -rot(1, 2);
 
  return rot;
}

unpackGeometryIdentifier()

unsigned int tracking::geo::unpackGeometryIdentifier

(

const Acts::GeometryIdentifier &

geoId

)

The geometry identifier will return vol=0 and lay=0 when it is not valid.

The geometry identifier is only valid after building the tracking geometry.

Definition at line 5 of file GeoUtils.cxx.

                                                                           {
  unsigned int volume_id = geoId.volume();
  unsigned int layer_id = geoId.layer() / 2;
  unsigned int sensor_id = geoId.sensitive() - 1;
  unsigned int surface_id = volume_id * 1000 + layer_id * 100 + sensor_id;
 
  return surface_id;
}