QGIS API Documentation: QgsHillshadeRendererWidget Class Reference

QGIS API Documentation 3.18.1-Zürich (202f1bf7e5)

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

#include <qgshillshaderendererwidget.h>

Inheritance diagram for QgsHillshadeRendererWidget:

Inheritance graph

[legend]

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

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

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

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

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

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

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

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

QgsRasterRenderer *	renderer () override
	The renderer for the widget. More...

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

double	zFactor () const
	Returns the Z scaling factor. More...

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

virtual void	doComputations ()
	Load programmatically with current values. More...

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

virtual QString	max (int index=0)

virtual QString	min (int index=0)

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

const QgsRasterLayer *	rasterLayer () const

virtual int	selectedBand (int index=0)

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

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

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

void	setRasterLayer (QgsRasterLayer *layer)

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. More...

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

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

QgsRectangle	mExtent
	Current extent. More...

QgsRasterLayer *	mRasterLayer = nullptr

Detailed Description

Renderer widget for the hill shade renderer.

Since: QGIS 2.16

Definition at line 34 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 25 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 133 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 128 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 49 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 143 of file qgshillshaderendererwidget.cpp.

◆ renderer()

QgsRasterRenderer * QgsHillshadeRendererWidget::renderer ( )

overridevirtual

The renderer for the widget.

Returns: A new renderer for the the config in the widget

Implements QgsRasterRendererWidget.

Definition at line 56 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 90 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 95 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 77 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 105 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 100 of file qgshillshaderendererwidget.cpp.

◆ zFactor()

double QgsHillshadeRendererWidget::zFactor ( ) const

Returns the Z scaling factor.

See also: setZFactor()

Definition at line 138 of file qgshillshaderendererwidget.cpp.

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

/build/qgis-3.18.1+99unstable/src/gui/raster/qgshillshaderendererwidget.h
/build/qgis-3.18.1+99unstable/src/gui/raster/qgshillshaderendererwidget.cpp