org.sensingkit.sensingkitlib.data

Class SKRotationData

java.lang.Object

org.sensingkit.sensingkitlib.data.SKAbstractData

org.sensingkit.sensingkitlib.data.SKRotationData

All Implemented Interfaces:

SKSensorData

public class SKRotationData
extends SKAbstractData

An instance of SKRotationData encapsulates measurements related to the Rotation sensor.

Field Summary

Fields

Modifier and Type	Field and Description
protected float	cos
protected float	headingAccuracy
protected float	x
protected float	y
protected float	z

Fields inherited from class org.sensingkit.sensingkitlib.data.SKAbstractData

sensorType, timestamp

Constructor Summary

Constructors

Constructor and Description
SKRotationData(long timestamp, float x, float y, float z) Initialize the instance
SKRotationData(long timestamp, float x, float y, float z, float cos, float headingAccuracy) Initialize the instance

Method Summary

Methods

Modifier and Type	Method and Description
float	getCos() Get cos of the angle of rotation
java.lang.String	getDataInCSV() Get Rotation sensor data in CSV format
float	getHeadingAccuracy() Get heading accuracy of rotation data
float	getX() Get X component of rotation
float	getY() Get Y component of rotation
float	getZ() Get Z component of rotation

Methods inherited from class org.sensingkit.sensingkitlib.data.SKAbstractData

getSensorType, getTimestamp, toString

Methods inherited from class java.lang.Object

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

Field Detail

x

protected final float x

y

protected final float y

z

protected final float z

cos

protected final float cos

headingAccuracy

protected final float headingAccuracy

Constructor Detail

SKRotationData

public SKRotationData(long timestamp,
              float x,
              float y,
              float z,
              float cos,
              float headingAccuracy)

Initialize the instance

Parameters:

timestamp - Time in milliseconds (the difference between the current time and midnight, January 1, 1970 UTC)

x - Rotation axis x-component*sin(theta/2)

y - Rotation axis y-component*sin(theta/2)

z - Rotation axis z-component*sin(theta/2)

cos - Cos(theta) where theta is the angle of rotation

headingAccuracy - Estimated accuracy in radians

SKRotationData

public SKRotationData(long timestamp,
              float x,
              float y,
              float z)

Initialize the instance

Parameters:

timestamp - Time in milliseconds (the difference between the current time and midnight, January 1, 1970 UTC)

x - Rotation axis x-component*sin(theta/2)

y - Rotation axis y-component*sin(theta/2)

z - Rotation axis z-component*sin(theta/2) where theta is the angle of rotation

Method Detail

getDataInCSV

public java.lang.String getDataInCSV()

Get Rotation sensor data in CSV format

Returns:

String in CSV format: timestamp, x, y, z, cos, headingAccuracy

getX

public float getX()

Get X component of rotation

Returns:

X component

getY

public float getY()

Get Y component of rotation

Returns:

Y component

getZ

public float getZ()

Get Z component of rotation

Returns:

Z component

getCos

public float getCos()

Get cos of the angle of rotation

Returns:

Cos(theta)

getHeadingAccuracy

public float getHeadingAccuracy()

Get heading accuracy of rotation data

Returns:

Heading accuracy