Package cnuphys.magfield

Class CompositeField

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<E>

java.util.ArrayList<IMagField>

cnuphys.magfield.CompositeField

All Implemented Interfaces:

IMagField, Serializable, Cloneable, Iterable<IMagField>, Collection<IMagField>, List<IMagField>, RandomAccess

Direct Known Subclasses:

RotatedCompositeField

public class CompositeField
extends ArrayList<IMagField>
implements IMagField

A composition of multiple magnetic field maps. The resulting magnetic field at a given point is the sum of the constituent fields at that point.

See Also:

• Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor	Description
CompositeField()

Method Summary

Modifier and Type	Method	Description
boolean	add(IMagField field)
boolean	contains(double x, double y, double z)	Checks whether the field boundary contain the given point.
float	getB1(int index)	Get B1 at a given index.
float	getB2(int index)	Get B2 at a given index.
float	getB3(int index)	Get B3 at a given index.
float	getMaxFieldMagnitude()	Obtain the maximum field magnitude of any point in the map.
String	getName()	Get the name of the field
double	getScaleFactor()	Get the scale factor
boolean	hasSolenoid()	Check whether we have a solenoid field
boolean	hasTorus()	Check whether we have a torus field
boolean	hasTransverseSolenoid()	Check whether we have a transverse solenoid field
final boolean	isZeroField()	Checks whether the field has been set to always return zero.
void	printConfiguration(PrintStream ps)	Print the current configuration

Methods inherited from class java.util.ArrayList

add, addAll, addAll, clear, clone, contains, ensureCapacity, equals, forEach, get, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, removeIf, removeRange, replaceAll, retainAll, set, size, sort, spliterator, subList, toArray, toArray, trimToSize

Methods inherited from class java.util.AbstractCollection

containsAll, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

parallelStream, stream, toArray

Methods inherited from interface java.util.List

containsAll

Constructor Details

CompositeField

public CompositeField()

Method Details

isZeroField

public final boolean isZeroField()

Checks whether the field has been set to always return zero.

Specified by:

isZeroField in interface IMagField

Returns:

true if the field is set to return zero.

add

public boolean add(IMagField field)

Specified by:

add in interface Collection<IMagField>

Specified by:

add in interface List<IMagField>

Overrides:

add in class ArrayList<IMagField>

getName

public String getName()

Description copied from interface: IMagField

Get the name of the field

Specified by:

getName in interface IMagField

Returns:

the name, e.e. "Torus"

hasTorus

public boolean hasTorus()

Check whether we have a torus field

Returns:

true if we have a torus

hasSolenoid

public boolean hasSolenoid()

Check whether we have a solenoid field

Returns:

true if we have a solenoid

hasTransverseSolenoid

public boolean hasTransverseSolenoid()

Check whether we have a transverse solenoid field

Returns:

true if we have a transverse solenoid

getB1

public float getB1(int index)

Description copied from interface: IMagField

Get B1 at a given index.

Specified by:

getB1 in interface IMagField

Parameters:

index - the index into the field buffer.

Returns:

the B1 at the given index.

getB2

public float getB2(int index)

Description copied from interface: IMagField

Get B2 at a given index.

Specified by:

getB2 in interface IMagField

Parameters:

index - the index into the field buffer.

Returns:

the B2 at the given index.

getB3

public float getB3(int index)

Description copied from interface: IMagField

Get B3 at a given index.

Specified by:

getB3 in interface IMagField

Parameters:

index - the index into the field buffer.

Returns:

the B3 at the given index.

getMaxFieldMagnitude

public float getMaxFieldMagnitude()

Description copied from interface: IMagField

Obtain the maximum field magnitude of any point in the map.

Specified by:

getMaxFieldMagnitude in interface IMagField

Returns:

the maximum field magnitude in the units of the map.

getScaleFactor

public double getScaleFactor()

Description copied from interface: IMagField

Get the scale factor

Specified by:

getScaleFactor in interface IMagField

Returns:

the scale factor

printConfiguration

public void printConfiguration(PrintStream ps)

Print the current configuration

Specified by:

printConfiguration in interface IMagField

Parameters:

ps - the print stream

contains

public boolean contains(double x,
 double y,
 double z)

Description copied from interface: IMagField

Checks whether the field boundary contain the given point.

Specified by:

contains in interface IMagField

Parameters:

x - the x coordinate in cm

y - the y coordinate in cm

z - the z coordinate in cm

Returns:

true if the field contains the given point