lejos.robotics
Class RangeReadings

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

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<RangeReading>, java.util.Collection<RangeReading>, java.util.List<RangeReading>, java.util.RandomAccess

public class RangeReadings
extends java.util.ArrayList<RangeReading>

Represents a set of range readings.

Author:

Lawrie Griffiths

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

RangeReadings(int numReadings)

Method Summary

void	dumpReadings(java.io.DataOutputStream dos) Dump the readings to a DataOutputStream
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
void	loadReadings(java.io.DataInputStream dis) Load the readings from a DataInputStream
void	printReadings() Print the range readings on standard out
void	setRange(int index, float angle, float range) Set the range reading

Methods inherited from class java.util.ArrayList

add, add, addAll, addAll, clear, clone, contains, ensureCapacity, get, indexOf, isEmpty, lastIndexOf, remove, remove, removeRange, set, size, toArray, toArray, trimToSize

Methods inherited from class java.util.AbstractList

equals, hashCode, iterator, listIterator, listIterator, subList

Methods inherited from class java.util.AbstractCollection

containsAll, removeAll, retainAll, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.List

containsAll, equals, hashCode, iterator, listIterator, listIterator, removeAll, retainAll, subList

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(java.io.DataOutputStream dos)
                  throws java.io.IOException

Dump the readings to a DataOutputStream

Parameters:

dos - the stream

Throws:

java.io.IOException

loadReadings

public void loadReadings(java.io.DataInputStream dis)
                  throws java.io.IOException

Load the readings from a DataInputStream

Parameters:

dis - the stream

Throws:

java.io.IOException

printReadings

public void printReadings()

Print the range readings on standard out