- Qt 6.8
- Qt Data Visualization
- C++ Classes
- QAbstract3DAxis
- Qt Data Visualization | Commercial or GPLv3

# QAbstract3DAxis Class

The QAbstract3DAxis class is a base class for the axes of a graph. More...

Header: | `#include <QAbstract3DAxis>`
CMake: | `find_package(Qt6 REQUIRED COMPONENTS DataVisualization)` `target_link_libraries(mytarget PRIVATE Qt6::DataVisualization)`
qmake: | `QT += datavisualization`
Since: | QtDataVisualization 1.0
In QML: | AbstractAxis3D
Inherits: | QObject
Inherited By: | QCategory3DAxis and QValue3DAxis

- List of all members, including inherited members

## Public Types

enum | AxisOrientation { AxisOrientationNone, AxisOrientationX, AxisOrientationY, AxisOrientationZ }
enum | AxisType { AxisTypeNone, AxisTypeCategory, AxisTypeValue }

## Properties

autoAdjustRange : bool labelAutoRotation : float labels : QStringList max : float min : float | orientation : const AxisOrientation title : QString titleFixed : bool titleVisible : bool type : const AxisType

## Public Functions

virtual | ~QAbstract3DAxis()
bool | isAutoAdjustRange() const
bool | isTitleFixed() const
bool | isTitleVisible() const
float | labelAutoRotation() const
QStringList | labels() const
float | max() const
float | min() const
QAbstract3DAxis::AxisOrientation | orientation() const
void | setAutoAdjustRange(bool autoAdjust)
void | setLabelAutoRotation(float angle)
void | setLabels(const QStringList &labels)
void | setMax(float max)
void | setMin(float min)
void | setRange(float min, float max)
void | setTitle(const QString &title)
void | setTitleFixed(bool fixed)
void | setTitleVisible(bool visible)
QString | title() const
QAbstract3DAxis::AxisType | type() const

## Signals

void | autoAdjustRangeChanged(bool autoAdjust)
void | labelAutoRotationChanged(float angle)
void | labelsChanged()
void | maxChanged(float value)
void | minChanged(float value)
void | orientationChanged(QAbstract3DAxis::AxisOrientation orientation)
void | rangeChanged(float min, float max)
void | titleChanged(const QString &newTitle)
void | titleFixedChanged(bool fixed)
void | titleVisibilityChanged(bool visible)

## Detailed Description

This class specifies the enumerations, properties, and functions shared by graph axes. It should not be used directly, but one of its subclasses should be used instead.

See also QCategory3DAxis and QValue3DAxis.

## Member Type Documentation

### enum QAbstract3DAxis::AxisOrientation

The orientation of the axis object.

Constant | Value
--- | ---
`QAbstract3DAxis::AxisOrientationNone` | `0`
`QAbstract3DAxis::AxisOrientationX` | `1`
`QAbstract3DAxis::AxisOrientationY` | `2`
`QAbstract3DAxis::AxisOrientationZ` | `4`

### enum QAbstract3DAxis::AxisType

The type of the axis object.

Constant | Value
--- | ---
`QAbstract3DAxis::AxisTypeNone` | `0`
`QAbstract3DAxis::AxisTypeCategory` | `1`
`QAbstract3DAxis::AxisTypeValue` | `2`

## Property Documentation

### autoAdjustRange : bool

This property holds whether the axis will automatically adjust the range so that all data fits in it.

Access functions:

bool | isAutoAdjustRange() const
void | setAutoAdjustRange(bool autoAdjust)

Notifier signal:

void | autoAdjustRangeChanged(bool autoAdjust)

See also setRange(), setMin(), and setMax().

### labelAutoRotation : float

This property holds the maximum angle the labels can autorotate when the camera angle changes.

The angle can be between 0 and 90, inclusive. The default value is 0. If the value is 0, axis labels do not automatically rotate. If the value is greater than zero, labels attempt to orient themselves toward the camera, up to the specified angle.

Access functions:

float | labelAutoRotation() const
void | setLabelAutoRotation(float angle)

Notifier signal:

void | labelAutoRotationChanged(float angle)

### labels : QStringList

This property holds the labels for the axis.

Note: Setting this property for QValue3DAxis does nothing, as it generates labels automatically.

Access functions:

QStringList | labels() const
void | setLabels(const QStringList &labels)

Notifier signal:

void | labelsChanged()

### max : float

This property holds the maximum value on the axis.

When setting this property, the minimum value is adjusted if necessary, to ensure that the range remains valid.

Note: For QCategory3DAxis, specifies the index of the last row or column to show.

Access functions:

float | max() const
void | setMax(float max)

Notifier signal:

void | maxChanged(float value)

### min : float

This property holds the minimum value on the axis.

When setting this property, the maximum value is adjusted if necessary, to ensure that the range remains valid.

Note: For QCategory3DAxis, specifies the index of the first row or column to show.

Access functions:

float | min() const
void | setMin(float min)

Notifier signal:

void | minChanged(float value)

### `[read-only]` orientation : const AxisOrientation

This property holds the orientation of the axis.

The value is one of AxisOrientation values.

Access functions:

QAbstract3DAxis::AxisOrientation | orientation() const

Notifier signal:

void | orientationChanged(QAbstract3DAxis::AxisOrientation orientation)

### title : QString

This property holds the title for the axis.

Access functions:

QString | title() const
void | setTitle(const QString &title)

Notifier signal:

void | titleChanged(const QString &newTitle)

See also titleVisible and titleFixed.

### titleFixed : bool

This property holds the rotation of the axis titles.

If `true`, axis titles in the primary graph view will be rotated towards the camera similarly to the axis labels. If `false`, axis titles are only rotated around their axis but are not otherwise oriented towards the camera. This property does not have any effect if the labelAutoRotation property value is zero. Default value is `true`.

Access functions:

bool | isTitleFixed() const
void | setTitleFixed(bool fixed)

Notifier signal:

void | titleFixedChanged(bool fixed)

See also labelAutoRotation, title, and titleVisible.

### titleVisible : bool

This property holds whether the axis title is visible in the primary graph view.

The default value is `false`.

Access functions:

bool | isTitleVisible() const
void | setTitleVisible(bool visible)

Notifier signal:

void | titleVisibilityChanged(bool visible)

See also title and titleFixed.

### `[read-only]` type : const AxisType

This property holds the type of the axis.

The value is one of AxisType values.

Access functions:

QAbstract3DAxis::AxisType | type() const

## Member Function Documentation

### `[virtual noexcept]` QAbstract3DAxis::~QAbstract3DAxis()

Destroys QAbstract3DAxis.

### `[signal]` void QAbstract3DAxis::rangeChanged(float min, float max)

Emits the minimum and maximum values of the range, min and max, when the range changes.

### void QAbstract3DAxis::setRange(float min, float max)

Sets the value range of the axis from min to max. When setting the range, the maximum value is adjusted if necessary, to ensure that the range remains valid.

Note: For QCategory3DAxis, specifies the index range of rows or columns to show.