lejos.robotics
Class RangeReadings

java.lang.Object
  java.util.ArrayList<RangeReading>
      lejos.robotics.RangeReadings

All Implemented Interfaces:

Iterable<RangeReading>, Collection<RangeReading>, List<RangeReading>, RandomAccess

public class RangeReadings
extends ArrayList<RangeReading>

Represents a set of range readings.

Author:

Lawrie Griffiths

Field Summary

Fields inherited from class java.util.ArrayList

modCount

Constructor Summary

RangeReadings(int numReadings)

Method Summary

boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
void	dumpReadings(DataOutputStream dos) Dump the readings to a DataOutputStream
boolean	equals(Object o)
float	getAngle(int index) Get the angle of a specific reading
int	getNumReadings() Get the number of readings in a set
float	getRange(float angle) Get a range reading for a specific angle
float	getRange(int i) Get a specific range reading
boolean	incomplete() Return true if the readings are incomplete
boolean	isEmpty()
Iterator<E>	iterator()
ListIterator<E>	listIterator()
void	loadReadings(DataInputStream dis) Load the readings from a DataInputStream
void	printReadings() Print the range readings on standard out
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
void	setRange(int index, float angle, float range) Set the range reading
Object[]	toArray()
<T> T[]	toArray(T[] dest)

Methods inherited from class java.util.ArrayList

add, add, addAll, addAll, addAll, addAll, clear, ensureCapacity, get, indexOf, lastIndexOf, listIterator, remove, remove, removeRange, set, size, subList, trimToSize

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

containsAll, hashCode, isEmpty, removeAll, retainAll, toArray, toArray

Constructor Detail

RangeReadings

public RangeReadings(int numReadings)

Method Detail

getRange

public float getRange(int i)

Get a specific range reading

Parameters:

i - the reading index

Returns:

the range value

getRange

public float getRange(float angle)

Get a range reading for a specific angle

Parameters:

angle - the reading angle

Returns:

the range value

getAngle

public float getAngle(int index)

Get the angle of a specific reading

Parameters:

index - the index of the reading

Returns:

the angle in degrees

incomplete

public boolean incomplete()

Return true if the readings are incomplete

Returns:

true iff one of the readings is not valid

getNumReadings

public int getNumReadings()

Get the number of readings in a set

setRange

public void setRange(int index,
                     float angle,
                     float range)

Set the range reading

Parameters:

index - the index of the reading in the set

angle - the angle of the reading relative to the robot heading

range - the range reading

dumpReadings

public void dumpReadings(DataOutputStream dos)
                  throws IOException

Dump the readings to a DataOutputStream

Parameters:

dos - the stream

Throws:

IOException

loadReadings

public void loadReadings(DataInputStream dis)
                  throws IOException

Load the readings from a DataInputStream

Parameters:

dis - the stream

Throws:

IOException

printReadings

public void printReadings()

Print the range readings on standard out

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<E>

equals

public boolean equals(Object o)

Specified by:

equals in interface Collection<E>

Overrides:

equals in class Object

iterator

public Iterator<E> iterator()

Specified by:

iterator in interface Iterable<E>

Specified by:

iterator in interface Collection<E>

listIterator

public ListIterator<E> listIterator()

Specified by:

listIterator in interface List<E>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<E>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<E>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<E>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<E>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<E>

toArray

public <T> T[] toArray(T[] dest)

Specified by:

toArray in interface Collection<E>