hep.graphics.heprep.util
Class HepRepMath

java.lang.Object
  hep.graphics.heprep.util.HepRepMath

public class HepRepMath

extends Object

Version:

$Id: HepRepMath.java,v 1.2 2002/09/18 23:59:59 duns Exp $

Author:

Mark Donszelmann

Source Code:

HepRepMath.java

Field Summary

static String

cvsId

Method Summary

static double	getEta(double x, double y, double z) Return the pseudorapidity of the point assuming zero z-vertex position.
static double	getEta(double x, double y, double z, double xVertex, double yVertex, double zVertex) Return the pseudorapidity of the point given the z-vertex position.
static double	getPhi(double x, double y)
static double	getPhi(double x, double y, double xVertex, double yVertex)
static double	getR(double x, double y, double z) Return the spherical radius to the point assuming a z-vertex position.
static double	getR(double x, double y, double z, double xVertex, double yVertex, double zVertex) Return the spherical radius to the point given the z-vertex position.
static double	getRho(double x, double y)
static double	getRho(double x, double y, double xVertex, double yVertex)
static double	getTheta(double x, double y, double z) Return the dip angle of the track assuming a zero z-vertex position.
static double	getTheta(double x, double y, double z, double xVertex, double yVertex, double zVertex) Return the dip angle of the track given the z-vertex position.
static double	getX(double x, double xVertex)
static double	getY(double y, double yVertex)
static double	getZ(double z, double zVertex)

Methods inherited from class java.lang.Object

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

Field Detail

cvsId

public static final String cvsId

See Also:

Constant Field Values

Method Detail

getX

public static double getX(double x,
                          double xVertex)

getY

public static double getY(double y,
                          double yVertex)

getZ

public static double getZ(double z,
                          double zVertex)

getRho

public static double getRho(double x,
                            double y,
                            double xVertex,
                            double yVertex)

getRho

public static double getRho(double x,
                            double y)

getPhi

public static double getPhi(double x,
                            double y,
                            double xVertex,
                            double yVertex)

getPhi

public static double getPhi(double x,
                            double y)

getTheta

public static double getTheta(double x,
                              double y,
                              double z,
                              double xVertex,
                              double yVertex,
                              double zVertex)

Return the dip angle of the track given the z-vertex position.

getTheta

public static double getTheta(double x,
                              double y,
                              double z)

Return the dip angle of the track assuming a zero z-vertex position.

getR

public static double getR(double x,
                          double y,
                          double z,
                          double xVertex,
                          double yVertex,
                          double zVertex)

Return the spherical radius to the point given the z-vertex position.

getR

public static double getR(double x,
                          double y,
                          double z)

Return the spherical radius to the point assuming a z-vertex position.

getEta

public static double getEta(double x,
                            double y,
                            double z,
                            double xVertex,
                            double yVertex,
                            double zVertex)

Return the pseudorapidity of the point given the z-vertex position.

getEta

public static double getEta(double x,
                            double y,
                            double z)

Return the pseudorapidity of the point assuming zero z-vertex position.