Class SVTGeometry

java.lang.Object

org.jlab.rec.cvt.svt.SVTGeometry

public class SVTGeometry
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
IndexedTable	lorentz
static final int	NLAYERS
static final int	NPASSIVE
static final int	NREGIONS
static final int[]	NSECTORS
static final int	NSTRIPS

Constructor Summary

Constructors

Constructor	Description
SVTGeometry(SVTStripFactory factory, IndexedTable lorentz)

Method Summary

Modifier and Type	Method	Description
int	calcNearestStrip(double X, double Y, double Z, int layer, int sect)
double	distanceToEdge(int layer, int sector, Point3D traj)
static double	getActiveSensorLength()
static double	getActiveSensorWidth()
Point3D	getCross(int sector, int layer, Line3D strip1, Line3D strip2, Vector3D dir)
double	getDoca(int layer, int sector, int strip, Point3D traj)
Surface	getFaradayCageSurfaces(int i)
static double	getLayerGap()
static double	getLayerRadius(int layer)
static double	getLayerZ0(int layer)
double	getLocalAngle(int layer, int sector, Vector3D trackDir)	Returns angle of the track with respect to the normal to the module in the x-z plane defined above
Vector3D	getLocalTrack(int layer, int sector, Vector3D trackDir)	Return track vector for local angle calculations 1) transform to the geometry service local frame first: y axis pointing toward the center, z axis pointing downstream along the module x axis given by y.cross(z) 2) for even layers, it rotates by 180 deg to have the y axis pointing outward *
Line3D	getModule(int layer, int sector)
static int	getModuleId(int layer, int sector)
static double	getModuleLength()
Vector3D	getNormal(int layer, int sector)
static double	getPitch()
Plane3D	getPlane(int layer, int sector)
static double	getRegionRadius(int region)
double	getResidual(int layer, int sector, int strip, Point3D traj)
int	getSector(int layer, Point3D traj)	Deprecated.
static double	getSectorPhi(int layer, int sector)
double	getSingleStripResolution(int lay, int strip, double Z)
Line3D	getStrip(int layer, int sector, int strip)
Line3D	getStrip0(int layer, int sector, int strip)
Line3D	getStripProjection(Line3D strip, Plane3D plane, Vector3D dir)
Surface	getSurface(int layer, int sector, int stripId, double centroid, Line3D stripLine)
Surface	getSurface(int layer, int sector, Strip strip)
List<Surface>	getSurfaces()
int	getTwinLayer(int layer)
double	getXAtZ(int layer, double centroidstrip, double Z)
boolean	isInFiducial(int layer, int sector, Point3D traj)
boolean	isInside(int layer, int sector, Point3D traj)
Point3D	toGlobal(int layer, int sector, Point3D traj)
Vector3D	toGlobal(int layer, int sector, Vector3D dir)
Point3D	toLocal(int layer, int sector, Point3D traj)
Vector3D	toLocal(int layer, int sector, Vector3D dir)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

NREGIONS

public static final int NREGIONS

See Also:

• Constant Field Values

NLAYERS

public static final int NLAYERS

See Also:

• Constant Field Values

NSTRIPS

public static final int NSTRIPS

NSECTORS

public static final int[] NSECTORS

NPASSIVE

public static final int NPASSIVE

See Also:

• Constant Field Values

lorentz

public IndexedTable lorentz

Constructor Details

SVTGeometry

public SVTGeometry(SVTStripFactory factory,
 IndexedTable lorentz)

Method Details

getTwinLayer

public int getTwinLayer(int layer)

getLayerRadius

public static double getLayerRadius(int layer)

getRegionRadius

public static double getRegionRadius(int region)

getLayerGap

public static double getLayerGap()

getLayerZ0

public static double getLayerZ0(int layer)

getSectorPhi

public static double getSectorPhi(int layer,
 int sector)

getPitch

public static double getPitch()

getActiveSensorWidth

public static double getActiveSensorWidth()

getActiveSensorLength

public static double getActiveSensorLength()

getModuleLength

public static double getModuleLength()

getStrip0

public Line3D getStrip0(int layer,
 int sector,
 int strip)

getStrip

public Line3D getStrip(int layer,
 int sector,
 int strip)

getModule

public Line3D getModule(int layer,
 int sector)

getModuleId

public static int getModuleId(int layer,
 int sector)

getNormal

public Vector3D getNormal(int layer,
 int sector)

getPlane

public Plane3D getPlane(int layer,
 int sector)

getStripProjection

public Line3D getStripProjection(Line3D strip,
 Plane3D plane,
 Vector3D dir)

getCross

public Point3D getCross(int sector,
 int layer,
 Line3D strip1,
 Line3D strip2,
 Vector3D dir)

toLocal

public Point3D toLocal(int layer,
 int sector,
 Point3D traj)

toGlobal

public Point3D toGlobal(int layer,
 int sector,
 Point3D traj)

toLocal

public Vector3D toLocal(int layer,
 int sector,
 Vector3D dir)

toGlobal

public Vector3D toGlobal(int layer,
 int sector,
 Vector3D dir)

getDoca

public double getDoca(int layer,
 int sector,
 int strip,
 Point3D traj)

getResidual

public double getResidual(int layer,
 int sector,
 int strip,
 Point3D traj)

getLocalTrack

public Vector3D getLocalTrack(int layer,
 int sector,
 Vector3D trackDir)

Return track vector for local angle calculations 1) transform to the geometry service local frame first: y axis pointing toward the center, z axis pointing downstream along the module x axis given by y.cross(z) 2) for even layers, it rotates by 180 deg to have the y axis pointing outward *

Parameters:

layer -

sector -

trackDir -

Returns:

getLocalAngle

public double getLocalAngle(int layer,
 int sector,
 Vector3D trackDir)

Returns angle of the track with respect to the normal to the module in the x-z plane defined above

Parameters:

layer -

sector -

trackDir -

Returns:

getSurfaces

public List<Surface> getSurfaces()

getSurface

public Surface getSurface(int layer,
 int sector,
 int stripId,
 double centroid,
 Line3D stripLine)

getSurface

public Surface getSurface(int layer,
 int sector,
 Strip strip)

getFaradayCageSurfaces

public Surface getFaradayCageSurfaces(int i)

getSector

@Deprecated
public int getSector(int layer,
 Point3D traj)

Deprecated.

calcNearestStrip

public int calcNearestStrip(double X,
 double Y,
 double Z,
 int layer,
 int sect)

getSingleStripResolution

public double getSingleStripResolution(int lay,
 int strip,
 double Z)

getXAtZ

public double getXAtZ(int layer,
 double centroidstrip,
 double Z)

isInFiducial

public boolean isInFiducial(int layer,
 int sector,
 Point3D traj)

isInside

public boolean isInside(int layer,
 int sector,
 Point3D traj)

distanceToEdge

public double distanceToEdge(int layer,
 int sector,
 Point3D traj)