Class Qf3DTerrainGeometry

ClassList > Qf3DTerrainGeometry

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• #include <qf3dterraingeometry.h>

Inherits the following classes: QQuick3DGeometry

Public Properties

Type	Name
property QVector3D	boundsMax Maximum bounds of the geometry.
property QVector3D	boundsMin Minimum bounds of the geometry.
property QSize	gridSize Grid dimensions (width x height) for terrain vertices.
property QVariantList	heightData Height data array for terrain elevation values.
property double	offsetScale Pffset scale from the last generated terrain data.
property QVector3D	offsetVector Offset vector from the generated terrain heights.
property QSizeF	size Width of the terrain mesh in 3D scene units.

Public Signals

Type	Name
signal void	boundsMinMaxChanged
signal void	gridSizeChanged
signal void	heightDataChanged
signal void	offsetScaleChanged
signal void	offsetVectorChanged
signal void	sizeChanged

Public Functions

Type	Name
	Qf3DTerrainGeometry (QQuick3DObject * parent=nullptr) Creates a new terrain geometry.
Q_INVOKABLE void	buildMetagridFromProvider (const Qf3DTerrainProvider * provider) Builds and stores a 3x3 metagrid from the provider's normalized data.
QSize	gridSize () const Returns the grid dimensions.
QVariantList	heightData () const Returns the height data in a QML-friendly QVariantList.
double	offsetScale () const
QVector3D	offsetVector () const
Q_INVOKABLE void	restoreHeightsFromProvider (const Qf3DTerrainProvider * provider) Restores the original height data from the provider.
void	setGridSize (const QSize & size) Sets the grid dimensions.
void	setHeightData (const QVariantList & data) Sets the height data array.
void	setOffsetScale (double offsetScale)
void	setOffsetVector (const QVector3D & offsetVector)
void	setSize (const QSizeF & size) Sets the terrain width.
QSizeF	size () const Returns the width of the terrain mesh in 3D scene units.

Detailed Description

Custom Qt Quick 3D geometry for rendering terrain meshes with height data.

This class generates a triangulated mesh grid with vertex positions, normals, and texture coordinates based on provided elevation data. The geometry is suitable for use with Qt Quick 3D Model items and supports dynamic updates when height data changes.

Note:

QML Type: Qf3DTerrainGeometry

Public Properties Documentation

property boundsMax

Maximum bounds of the geometry.

QVector3D Qf3DTerrainGeometry::boundsMax;

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property boundsMin

Minimum bounds of the geometry.

QVector3D Qf3DTerrainGeometry::boundsMin;

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property gridSize [1/2]

Grid dimensions (width x height) for terrain vertices.

QSize Qf3DTerrainGeometry::gridSize;

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property heightData [1/2]

Height data array for terrain elevation values.

QVariantList Qf3DTerrainGeometry::heightData;

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property offsetScale [1/2]

Pffset scale from the last generated terrain data.

double Qf3DTerrainGeometry::offsetScale;

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property offsetVector [1/2]

Offset vector from the generated terrain heights.

QVector3D Qf3DTerrainGeometry::offsetVector;

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property size [1/2]

Width of the terrain mesh in 3D scene units.

QSizeF Qf3DTerrainGeometry::size;

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Public Signals Documentation

signal boundsMinMaxChanged

void Qf3DTerrainGeometry::boundsMinMaxChanged;

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signal gridSizeChanged

void Qf3DTerrainGeometry::gridSizeChanged;

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signal heightDataChanged

void Qf3DTerrainGeometry::heightDataChanged;

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signal offsetScaleChanged

void Qf3DTerrainGeometry::offsetScaleChanged;

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signal offsetVectorChanged

void Qf3DTerrainGeometry::offsetVectorChanged;

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signal sizeChanged

void Qf3DTerrainGeometry::sizeChanged;

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Public Functions Documentation

function Qf3DTerrainGeometry

Creates a new terrain geometry.

explicit Qf3DTerrainGeometry::Qf3DTerrainGeometry (
    QQuick3DObject * parent=nullptr
) 

---

function buildMetagridFromProvider

Builds and stores a 3x3 metagrid from the provider's normalized data.

Q_INVOKABLE void Qf3DTerrainGeometry::buildMetagridFromProvider (
    const Qf3DTerrainProvider * provider
) 

---

function gridSize [2/2]

Returns the grid dimensions.

inline QSize Qf3DTerrainGeometry::gridSize () const

---

function heightData [2/2]

Returns the height data in a QML-friendly QVariantList.

QVariantList Qf3DTerrainGeometry::heightData () const

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function offsetScale [2/2]

inline double Qf3DTerrainGeometry::offsetScale () const

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function offsetVector [2/2]

inline QVector3D Qf3DTerrainGeometry::offsetVector () const

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function restoreHeightsFromProvider

Restores the original height data from the provider.

Q_INVOKABLE void Qf3DTerrainGeometry::restoreHeightsFromProvider (
    const Qf3DTerrainProvider * provider
) 

---

function setGridSize

Sets the grid dimensions.

void Qf3DTerrainGeometry::setGridSize (
    const QSize & size
) 

---

function setHeightData

Sets the height data array.

void Qf3DTerrainGeometry::setHeightData (
    const QVariantList & data
) 

---

function setOffsetScale

void Qf3DTerrainGeometry::setOffsetScale (
    double offsetScale
) 

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function setOffsetVector

void Qf3DTerrainGeometry::setOffsetVector (
    const QVector3D & offsetVector
) 

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function setSize

Sets the terrain width.

void Qf3DTerrainGeometry::setSize (
    const QSizeF & size
) 

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function size [2/2]

Returns the width of the terrain mesh in 3D scene units.

inline QSizeF Qf3DTerrainGeometry::size () const

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The documentation for this class was generated from the following file src/3d/qf3dterraingeometry.h