3 Implementation of terrain generator that uses online resources to download heightmaps. More...

#include <qgsonlineterraingenerator.h>

Inheritance diagram for QgsOnlineTerrainGenerator:

Public Member Functions
	QgsOnlineTerrainGenerator ()
	Constructor for QgsOnlineTerrainGenerator. More...

	~QgsOnlineTerrainGenerator () override

QgsTerrainGenerator *	clone () const override
	Makes a copy of the current instance. More...

QgsChunkLoader *	createChunkLoader (QgsChunkNode *node) const override

QgsCoordinateReferenceSystem	crs () const
	Returns CRS of the terrain. More...

QgsRectangle	extent () const override
	extent of the terrain in terrain's CRS More...

float	heightAt (double x, double y, const Qgs3DMapSettings &map) const override
	Returns height at (x,y) in terrain's CRS. More...

QgsDemHeightMapGenerator *	heightMapGenerator ()
	Returns height map generator object - takes care of extraction of elevations from the layer) More...

void	readXml (const QDomElement &elem) override
	Read terrain generator's configuration from XML. More...

int	resolution () const
	Returns resolution of the generator (how many elevation samples on one side of a terrain tile) More...

void	setCrs (const QgsCoordinateReferenceSystem &crs, const QgsCoordinateTransformContext &context)
	Sets CRS of the terrain. More...

void	setExtent (const QgsRectangle &extent)
	Sets extent of the terrain. More...

void	setResolution (int resolution)
	Sets resolution of the generator (how many elevation samples on one side of a terrain tile) More...

void	setSkirtHeight (float skirtHeight)
	Sets skirt height (in world units). Skirts at the edges of terrain tiles help hide cracks between adjacent tiles. More...

float	skirtHeight () const
	Returns skirt height (in world units). Skirts at the edges of terrain tiles help hide cracks between adjacent tiles. More...

Type	type () const override
	What texture generator implementation is this. More...

void	writeXml (QDomElement &elem) const override
	Write terrain generator's configuration to XML. More...

Public Member Functions inherited from QgsTerrainGenerator
QgsCoordinateReferenceSystem	crs () const
	Returns CRS of the terrain. More...

virtual void	resolveReferences (const QgsProject &project)
	After read of XML, resolve references to any layers that have been read as layer IDs. More...

virtual QgsAABB	rootChunkBbox (const Qgs3DMapSettings &map) const
	Returns bounding box of the root chunk. More...

virtual float	rootChunkError (const Qgs3DMapSettings &map) const
	Returns error of the root chunk in world coordinates. More...

virtual void	rootChunkHeightRange (float &hMin, float &hMax) const
	Returns height range of the root chunk in world coordinates. More...

void	setTerrain (QgsTerrainEntity *t)
	Sets terrain entity for the generator (does not transfer ownership) More...

const QgsTilingScheme &	tilingScheme () const
	Returns tiling scheme of the terrain. More...

Additional Inherited Members
Public Types inherited from QgsTerrainGenerator
enum	Type { Flat, Dem, Online }
	Enumeration of the available terrain generators. More...

Static Public Member Functions inherited from QgsTerrainGenerator
static QString	typeToString (Type type)
	Converts terrain generator type enumeration into a string. More...

Protected Attributes inherited from QgsTerrainGenerator
QgsTerrainEntity *	mTerrain = nullptr

QgsTilingScheme	mTerrainTilingScheme
	Tiling scheme of the terrain. More...

Detailed Description

3 Implementation of terrain generator that uses online resources to download heightmaps.

Since: QGIS 3.8

Definition at line 32 of file qgsonlineterraingenerator.h.

Constructor & Destructor Documentation

◆ QgsOnlineTerrainGenerator()

QgsOnlineTerrainGenerator::QgsOnlineTerrainGenerator ( )

default

Constructor for QgsOnlineTerrainGenerator.

◆ ~QgsOnlineTerrainGenerator()

QgsOnlineTerrainGenerator::~QgsOnlineTerrainGenerator ( )

overridedefault

Member Function Documentation

◆ clone()

QgsTerrainGenerator * QgsOnlineTerrainGenerator::clone ( ) const

overridevirtual

Makes a copy of the current instance.

Implements QgsTerrainGenerator.

Definition at line 30 of file qgsonlineterraingenerator.cpp.

◆ createChunkLoader()

QgsChunkLoader * QgsOnlineTerrainGenerator::createChunkLoader ( QgsChunkNode * node ) const

override

Definition at line 25 of file qgsonlineterraingenerator.cpp.

◆ crs()

QgsCoordinateReferenceSystem QgsOnlineTerrainGenerator::crs ( ) const

inline

Returns CRS of the terrain.

Definition at line 45 of file qgsonlineterraingenerator.h.

◆ extent()

QgsRectangle QgsOnlineTerrainGenerator::extent ( ) const

overridevirtual

extent of the terrain in terrain's CRS

Implements QgsTerrainGenerator.

Definition at line 46 of file qgsonlineterraingenerator.cpp.

◆ heightAt()

float QgsOnlineTerrainGenerator::heightAt	(	double	x,
		double	y,
		const Qgs3DMapSettings &	map
	)		const

overridevirtual

Returns height at (x,y) in terrain's CRS.

Reimplemented from QgsTerrainGenerator.

Definition at line 51 of file qgsonlineterraingenerator.cpp.

◆ heightMapGenerator()

QgsDemHeightMapGenerator* QgsOnlineTerrainGenerator::heightMapGenerator ( )

inline

Returns height map generator object - takes care of extraction of elevations from the layer)

Definition at line 58 of file qgsonlineterraingenerator.h.

◆ readXml()

void QgsOnlineTerrainGenerator::readXml ( const QDomElement & elem )

overridevirtual

Read terrain generator's configuration from XML.

Implements QgsTerrainGenerator.

Definition at line 75 of file qgsonlineterraingenerator.cpp.

◆ resolution()

int QgsOnlineTerrainGenerator::resolution ( ) const

inline

Returns resolution of the generator (how many elevation samples on one side of a terrain tile)

Definition at line 50 of file qgsonlineterraingenerator.h.

◆ setCrs()

void QgsOnlineTerrainGenerator::setCrs	(	const QgsCoordinateReferenceSystem &	crs,
		const QgsCoordinateTransformContext &	context
	)

Sets CRS of the terrain.

Definition at line 91 of file qgsonlineterraingenerator.cpp.

◆ setExtent()

void QgsOnlineTerrainGenerator::setExtent ( const QgsRectangle & extent )

Sets extent of the terrain.

Definition at line 98 of file qgsonlineterraingenerator.cpp.

◆ setResolution()

void QgsOnlineTerrainGenerator::setResolution ( int resolution )

inline

Sets resolution of the generator (how many elevation samples on one side of a terrain tile)

Definition at line 48 of file qgsonlineterraingenerator.h.

◆ setSkirtHeight()

void QgsOnlineTerrainGenerator::setSkirtHeight ( float skirtHeight )

inline

Sets skirt height (in world units). Skirts at the edges of terrain tiles help hide cracks between adjacent tiles.

Definition at line 53 of file qgsonlineterraingenerator.h.

◆ skirtHeight()

float QgsOnlineTerrainGenerator::skirtHeight ( ) const

inline

Returns skirt height (in world units). Skirts at the edges of terrain tiles help hide cracks between adjacent tiles.

Definition at line 55 of file qgsonlineterraingenerator.h.

◆ type()

QgsTerrainGenerator::Type QgsOnlineTerrainGenerator::type ( ) const

overridevirtual

What texture generator implementation is this.

Implements QgsTerrainGenerator.

Definition at line 41 of file qgsonlineterraingenerator.cpp.

◆ writeXml()

void QgsOnlineTerrainGenerator::writeXml ( QDomElement & elem ) const

overridevirtual

Write terrain generator's configuration to XML.

Implements QgsTerrainGenerator.

Definition at line 60 of file qgsonlineterraingenerator.cpp.

The documentation for this class was generated from the following files:

/build/qgis-3.10.0+15buster/src/3d/terrain/qgsonlineterraingenerator.h
/build/qgis-3.10.0+15buster/src/3d/terrain/qgsonlineterraingenerator.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QgsOnlineTerrainGenerator()

◆ ~QgsOnlineTerrainGenerator()

Member Function Documentation

◆ clone()

◆ createChunkLoader()

◆ crs()

◆ extent()

◆ heightAt()

◆ heightMapGenerator()

◆ readXml()

◆ resolution()

◆ setCrs()

◆ setExtent()

◆ setResolution()

◆ setSkirtHeight()

◆ skirtHeight()

◆ type()

◆ writeXml()