cnuphys.lund
Class LundSupport

java.lang.Object
  cnuphys.lund.LundSupport

public class LundSupport
extends java.lang.Object

Method Summary

static int	geantToLund(int geantId) Convert a geant ID onto a Lund (PDG) id.
LundId	get(double id) Finds an LundId object based on the given particle id.
LundId	get(int id) Finds an LundId object based on the given particle id.
static LundSupport	getInstance() public access to the singleton
java.util.ArrayList<LundId>	getLundIds() Get the list of lundIds
static void	main(java.lang.String[] arg) Main program for testing
static int	massAndChargeToLundId(double mass, int charge) Returns the Lund ID of a particle given the mass and charge.
java.lang.String	toString() Get a string representing a table of Ids.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

getInstance

public static LundSupport getInstance()

public access to the singleton

Returns:

the singleton object.

toString

public java.lang.String toString()

Get a string representing a table of Ids.

Overrides:

toString in class java.lang.Object

Returns:

a string representing a table of Ids.

get

public LundId get(int id)

Finds an LundId object based on the given particle id. Uses a binary search.

Parameters:

id - the id to look for

Returns:

the object if found, or null

get

public LundId get(double id)

Finds an LundId object based on the given particle id. Uses a binary search.

Parameters:

id - the id to look for. This is rounded. This method is to support GEMC.

Returns:

the object if found, or null

getLundIds

public java.util.ArrayList<LundId> getLundIds()

Get the list of lundIds

Returns:

the list of lundIds

geantToLund

public static int geantToLund(int geantId)

Convert a geant ID onto a Lund (PDG) id.

Parameters:

geantId - the geant Id

Returns:

the lund (pdg) Id.

massAndChargeToLundId

public static int massAndChargeToLundId(double mass,
                                        int charge)

Returns the Lund ID of a particle given the mass and charge.

Parameters:

mass - the mass of the particle in GeV

charge - the charge of the particle in units of electron charge

Returns:

the Geant ID

main

public static void main(java.lang.String[] arg)

Main program for testing

Parameters:

arg - command arguments ignored.