# QSurfaceDataItem Class | Qt Data Visualization 5.7

Qt 5.7 | Qt Data Visualization | C++ Classes | QSurfaceDataItem

Qt 5.7.1 Reference Documentation

# QSurfaceDataItem Class

The QSurfaceDataItem class provides a container for resolved data to be added to surface graphs. More...

Header: | #include <QSurfaceDataItem>
Since: | QtDataVisualization 1.0

- List of all members, including inherited members

## Public Functions

| QSurfaceDataItem()
| QSurfaceDataItem(const QVector3D &position)
| QSurfaceDataItem(const QSurfaceDataItem &other)
| ~QSurfaceDataItem()
QVector3D | position() const
void | setPosition(const QVector3D &pos)
void | setX(float value)
void | setY(float value)
void | setZ(float value)
float | x() const
float | y() const
float | z() const
QSurfaceDataItem & | operator=(const QSurfaceDataItem &other)

## Detailed Description

The QSurfaceDataItem class provides a container for resolved data to be added to surface graphs.

A QSurfaceDataItem holds data for a single vertex in surface graph. Surface data proxies parse data into QSurfaceDataItem instances for visualizing.

See also QSurfaceDataProxy and Qt Data Visualization C++ Classes.

## Member Function Documentation

### QSurfaceDataItem::QSurfaceDataItem()

Constructs QSurfaceDataItem.

### QSurfaceDataItem::QSurfaceDataItem(const QVector3D &position)

Constructs QSurfaceDataItem with position.

### QSurfaceDataItem::QSurfaceDataItem(const QSurfaceDataItem &other)

Constructs a copy of other.

### QSurfaceDataItem::~QSurfaceDataItem()

Destroys QSurfaceDataItem.

### QVector3D QSurfaceDataItem::position() const

Returns position of this data item.

See also setPosition().

### void QSurfaceDataItem::setPosition(const QVector3D &pos)

Sets position pos to this data item.

See also position().

### void QSurfaceDataItem::setX(float value)

Sets the X component of the item position to the value.

See also x().

### void QSurfaceDataItem::setY(float value)

Sets the Y component of the item position to the value.

See also y().

### void QSurfaceDataItem::setZ(float value)

Sets the Z component of the item position to the value.

See also z().

### float QSurfaceDataItem::x() const

Returns the X component of the position of this data item.

See also setX().

### float QSurfaceDataItem::y() const

Returns the Y component of the position of this data item.

See also setY().

### float QSurfaceDataItem::z() const

Returns the Z component of the position of this data item.

See also setZ().

### QSurfaceDataItem &QSurfaceDataItem::operator=(const QSurfaceDataItem &other)

Assigns a copy of other to this object.