z=0 everywhere (Milestone 1 default) More...

Inheritance diagram for FlatHeightSource:

Collaboration diagram for FlatHeightSource:

Public Member Functions
bool	requestTile (const TileMath::TileKey &key) override

Public Member Functions inherited from ProceduralHeightSource
int	requestPatchHeights (const TileMath::TileKey &key, int gridSize) final
	Request the vertex height grid for a patch. Returns a request id (> 0).

void	cancelRequest (int requestId) final
	Cancel a pending request. No signal is emitted for a cancelled request.

bool	requestTile (const TileMath::TileKey &key) override

	HeightSource (QObject *parent=nullptr)

Public Member Functions inherited from HeightSource
	HeightSource (QObject *parent=nullptr)

void	setHeightField (HeightField *field)
	Field that receives whole tiles requested via requestTile (not owned)

Protected Member Functions
float	heightAtWorld (const QPointF &world) const override
	Height in meters at a world-space ground position.

Protected Member Functions inherited from HeightSource
int	_nextRequestId ()

Additional Inherited Members
Signals inherited from HeightSource
void	patchHeightsReady (int requestId, const QList< float > &heights)
	heights has (gridSize+1)^2 entries, row-major from the north-west corner

void	patchHeightsFailed (int requestId)

Static Public Attributes inherited from ProceduralHeightSource
static constexpr int	kSynthGridSize = 33
	samples per edge of a synthesized tile

Protected Attributes inherited from HeightSource
HeightField *	_heightField = nullptr
	tile delivery target for requestTile (not owned)

Detailed Description

z=0 everywhere (Milestone 1 default)

Definition at line 96 of file HeightSource.h.

Member Function Documentation

float FlatHeightSource::heightAtWorld ( const QPointF & world ) const

overrideprotectedvirtual

Height in meters at a world-space ground position.

Definition at line 102 of file HeightSource.cc.

bool FlatHeightSource::requestTile ( const TileMath::TileKey & key )

inlineoverridevirtual

z=0 everywhere is already the empty field's estimate: inserting all-zero tiles would only churn the pyramid working set

Reimplemented from HeightSource.

Definition at line 105 of file HeightSource.h.

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