Renderer widget for the hill shade renderer. More...

#include <qgshillshaderendererwidget.h>

Inheritance diagram for QgsHillshadeRendererWidget:

[legend]

Public Slots
void	setAltitude (double altitude)
	Set the altitude of the light source.

void	setAzimuth (double azimuth)
	Set the azimuth of the light source.

void	setMultiDirectional (bool isMultiDirectional)
	Sets whether to render using a multi-directional hillshade algorithm.

void	setZFactor (double zfactor)
	Set the Z scaling factor of the result image.

Public Member Functions
	QgsHillshadeRendererWidget (QgsRasterLayer *layer, const QgsRectangle &extent=QgsRectangle())
	Renderer widget for the hill shade renderer.

double	altitude () const
	Returns the angle of the light source over the raster.

double	azimuth () const
	Returns the direction of the light over the raster between 0-360.

bool	multiDirectional () const
	Returns `true` if the renderer should use the multi-directional hillshade algorithm.

QgsRasterRenderer *	renderer () override
	Creates a new renderer, using the properties defined in the widget.

void	setFromRenderer (const QgsRasterRenderer *renderer)
	Set the widget state from the given renderer.

double	zFactor () const
	Returns the Z scaling factor.

Public Member Functions inherited from QgsRasterRendererWidget
	QgsRasterRendererWidget (QgsRasterLayer *layer, const QgsRectangle &extent)

virtual QgsContrastEnhancement::ContrastEnhancementAlgorithm	contrastEnhancementAlgorithm () const
	Returns the contrast enhancement algorithm to be used by the raster renderer.

virtual void	doComputations ()
	Load programmatically with current values.

QgsMapCanvas *	mapCanvas ()
	Returns the map canvas associated with the widget.

virtual QString	max (int index=0)

virtual QString	min (int index=0)

virtual QgsRasterMinMaxWidget *	minMaxWidget ()
	Returns min/max widget when it exists.

const QgsRasterLayer *	rasterLayer () const
	Returns the raster layer associated with the widget.

virtual int	selectedBand (int index=0)

virtual void	setContrastEnhancementAlgorithm (QgsContrastEnhancement::ContrastEnhancementAlgorithm algorithm)
	Sets the contrast enhancement algorithm to be used by the raster renderer.

virtual void	setMapCanvas (QgsMapCanvas *canvas)
	Sets the map canvas associated with the widget.

virtual void	setMax (const QString &value, int index=0)

virtual void	setMin (const QString &value, int index=0)

void	setRasterLayer (QgsRasterLayer *layer)
	Sets the raster layer associated with the widget.

virtual void	setStdDev (const QString &value)

virtual QString	stdDev ()

Static Public Member Functions
static QgsRasterRendererWidget *	create (QgsRasterLayer *layer, const QgsRectangle &extent)
	Factory method to create the renderer for this type.

Additional Inherited Members
Signals inherited from QgsRasterRendererWidget
void	widgetChanged ()
	Emitted when something on the widget has changed.

Protected Attributes inherited from QgsRasterRendererWidget
QgsMapCanvas *	mCanvas = nullptr
	Associated map canvas.

QgsRectangle	mExtent
	Current extent.

QgsRasterLayer *	mRasterLayer = nullptr

Detailed Description

Renderer widget for the hill shade renderer.

Definition at line 33 of file qgshillshaderendererwidget.h.

Constructor & Destructor Documentation

◆ QgsHillshadeRendererWidget()

QgsHillshadeRendererWidget::QgsHillshadeRendererWidget	(	QgsRasterLayer *	layer,
		const QgsRectangle &	extent = `QgsRectangle()`
	)

Renderer widget for the hill shade renderer.

Parameters

layer	The layer attached for this widget.
extent	The current extent.

Definition at line 26 of file qgshillshaderendererwidget.cpp.

Member Function Documentation

◆ altitude()

double QgsHillshadeRendererWidget::altitude ( ) const

Returns the angle of the light source over the raster.

See also: setAltitude()

Definition at line 134 of file qgshillshaderendererwidget.cpp.

◆ azimuth()

double QgsHillshadeRendererWidget::azimuth ( ) const

Returns the direction of the light over the raster between 0-360.

See also: setAzimuth()

Definition at line 129 of file qgshillshaderendererwidget.cpp.

◆ create()

static QgsRasterRendererWidget * QgsHillshadeRendererWidget::create	(	QgsRasterLayer *	layer,
		const QgsRectangle &	extent
	)

inlinestatic

Factory method to create the renderer for this type.

Definition at line 48 of file qgshillshaderendererwidget.h.

◆ multiDirectional()

bool QgsHillshadeRendererWidget::multiDirectional ( ) const

Returns true if the renderer should use the multi-directional hillshade algorithm.

See also: setMultiDirectional()

Definition at line 144 of file qgshillshaderendererwidget.cpp.

◆ renderer()

QgsRasterRenderer * QgsHillshadeRendererWidget::renderer ( )

overridevirtual

Creates a new renderer, using the properties defined in the widget.

The caller takes ownership of the returned renderer.

Implements QgsRasterRendererWidget.

Definition at line 57 of file qgshillshaderendererwidget.cpp.

◆ setAltitude

void QgsHillshadeRendererWidget::setAltitude ( double altitude )

slot

Set the altitude of the light source.

Parameters

altitude the altitude

See also: altitude()

Definition at line 91 of file qgshillshaderendererwidget.cpp.

◆ setAzimuth

void QgsHillshadeRendererWidget::setAzimuth ( double azimuth )

slot

Set the azimuth of the light source.

Parameters

azimuth The azimuth of the light source, between 0 and 360.0

See also: azimuth()

Definition at line 96 of file qgshillshaderendererwidget.cpp.

◆ setFromRenderer()

void QgsHillshadeRendererWidget::setFromRenderer ( const QgsRasterRenderer * renderer )

Set the widget state from the given renderer.

Parameters

renderer The renderer to take the state from.

Definition at line 78 of file qgshillshaderendererwidget.cpp.

◆ setMultiDirectional

void QgsHillshadeRendererWidget::setMultiDirectional ( bool isMultiDirectional )

slot

Sets whether to render using a multi-directional hillshade algorithm.

Parameters

isMultiDirectional set to true to use multi directional rendering

See also: multiDirectional()

Definition at line 106 of file qgshillshaderendererwidget.cpp.

◆ setZFactor

void QgsHillshadeRendererWidget::setZFactor ( double zfactor )

slot

Set the Z scaling factor of the result image.

Parameters

zfactor The z factor

See also: zFactor()

Definition at line 101 of file qgshillshaderendererwidget.cpp.

◆ zFactor()

double QgsHillshadeRendererWidget::zFactor ( ) const

Returns the Z scaling factor.

See also: setZFactor()

Definition at line 139 of file qgshillshaderendererwidget.cpp.

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

/build/qgis-3.41.0+git20241122+3440c17df1d+99sid/src/gui/raster/qgshillshaderendererwidget.h
/build/qgis-3.41.0+git20241122+3440c17df1d+99sid/src/gui/raster/qgshillshaderendererwidget.cpp

Public Slots

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QgsHillshadeRendererWidget()

Member Function Documentation

◆ altitude()

◆ azimuth()

◆ create()

◆ multiDirectional()

◆ renderer()

◆ setAltitude

◆ setAzimuth

◆ setFromRenderer()

◆ setMultiDirectional

◆ setZFactor

◆ zFactor()