QAccelerometerReading

Since: 1.0

#include <QtSensors/QAccelerometerReading>

QtSensors

The QAccelerometerReading class reports on linear acceleration along the X, Y and Z axes.


Overview

Inheritance

QSensorReading
QAccelerometerReading

Properties Index

qrealx [read-only]
qrealy [read-only]
qrealz [read-only]
QtMobility::qtimestamptimestamp [read-only]Inherited

Public Functions Index

voidsetX (qreal x)
voidsetY (qreal y)
voidsetZ (qreal z)
qrealx () const
qrealy () const
qrealz () const
voidsetTimestamp (qtimestamp timestamp)Inherited
qtimestamptimestamp () const Inherited
QVariantvalue (int index) const Inherited
intvalueCount () const Inherited

Protected Functions Index

Only has inherited protected functions

virtual voidcopyValuesFrom (QSensorReading *other)Inherited
QScopedPointer< QSensorReadingPrivate > *d_ptr ()Inherited
QSensorReading (QObject *parent, QSensorReadingPrivate *d)Inherited

Properties

qreal x[read-only]

the acceleration on the X axis.

The scale of the values is meters per second squared.
See also:

{QAccelerometerReading Units}

Since:

1.0

qreal y[read-only]

the acceleration on the Y axis.

The scale of the values is meters per second squared.
See also:

{QAccelerometerReading Units}

Since:

1.0

qreal z[read-only]

the acceleration on the Z axis.

The scale of the values is meters per second squared.
See also:

{QAccelerometerReading Units}

Since:

1.0

QtMobility::qtimestamp timestampInherited[read-only]

the timestamp of the reading.

Returns the timestamp of the reading.

See also:

qtimestamp

Since:

1.0

,

1.0

Public Functions

void setX (
  • qrealx)

Sets the acceleration on the X axis to x.

Since:

1.0

void setY (
  • qrealy)

Sets the acceleration on the Y axis to y.

Since:

1.0

void setZ (
  • qrealz)

Sets the acceleration on the Z axis to z.

Since:

1.0

qreal x ()

qreal y ()

qreal z ()

void setTimestamp (Inherited

Sets the timestamp of the reading.

Since:

1.0

qtimestamp timestamp ()Inherited

QVariant value (
  • intindex)
Inherited

Returns the value of the property at index.

Note that this function is slower than calling the data function directly.

Here is an example of getting a property via the different mechanisms available.

Accessing directly provides the best performance but requires compile-time knowledge of the data you are accessing.

QAccelerometerReading *reading = ...;
qreal x = reading->x();

You can also access a property by name. To do this you must call QObject::property().

qreal x = reading->property("x").value<qreal>();

Finally, you can access values via numeric index.

qreal x = reading->value(0).value<qreal>();

Note that value() can only access properties declared with Q_PROPERTY() in sub-classes of QSensorReading.

See also:

valueCount(), QObject::property()

Since:

1.0

int valueCount ()Inherited

Returns the number of extra properties that the reading has.

Note that this does not count properties declared in QSensorReading.

As an example, this returns 3 for QAccelerometerReading because there are 3 properties defined in that class.
Since:

1.0

Protected Functions

(Only has inherited protected functions)

virtual void copyValuesFrom (Inherited

QScopedPointer< QSensorReadingPrivate > * d_ptr ()Inherited

QSensorReading (
  • QObject *parent,
  • QSensorReadingPrivate *d )
Inherited

Last modified: 2014-03-13

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