QgsCameraController Class Reference

3 More...

#include <qgscameracontroller.h>

Inheritance diagram for QgsCameraController:

Public Slots
void	depthBufferCaptured (const QImage &depthImage)
	Sets the depth buffer image used by the camera controller to calculate world position from a pixel's coordinates and depth. More...
void	setCameraNavigationMode (Qgis::NavigationMode navigationMode)
	Sets the navigation mode used by the camera controller. More...

Signals
void	cameraChanged ()
	Emitted when camera has been updated. More...
void	cameraMovementSpeedChanged (double speed)
	Emitted whenever the camera movement speed is changed by the controller. More...
void	cameraRotationCenterChanged (QVector3D position)
	Emitted when the camera rotation center changes. More...
void	navigationModeChanged (Qgis::NavigationMode mode)
	Emitted when the navigation mode is changed using the hotkey ctrl + ~. More...
void	requestDepthBufferCapture ()
	Emitted to ask for the depth buffer image. More...
void	setCursorPosition (QPoint point)
	Emitted when the mouse cursor position should be moved to the specified point on the map viewport. More...

Public Member Functions
	QgsCameraController (Qgs3DMapScene *scene)
	Constructs the camera controller with optional parent node that will take ownership. More...
	~QgsCameraController () override
Qt3DRender::QCamera *	camera () const
	Returns camera that is being controlled. More...
double	cameraMovementSpeed () const
	Returns the camera movement speed. More...
Qgis::NavigationMode	cameraNavigationMode () const
	Returns the navigation mode used by the camera controller. More...
QgsCameraPose	cameraPose () const
	Returns camera pose. More...
float	distance () const
	Returns distance of the camera from the point it is looking at. More...
void	frameTriggered (float dt)
	Called internally from 3D scene when a new frame is generated. Updates camera according to keyboard/mouse input. More...
QgsVector3D	lookingAtPoint () const
	Returns the point in the world coordinates towards which the camera is looking. More...
void	moveView (float tx, float ty)
	Move the map by tx and ty. More...
float	pitch () const
	Returns pitch angle in degrees (0 = looking from the top, 90 = looking from the side). More...
void	readXml (const QDomElement &elem)
	Reads camera configuration from the given DOM element. More...
void	resetView (float distance)
	Move camera back to the initial position (looking down towards origin of world's coordinates) More...
void	rotateAroundViewCenter (float deltaYaw)
	Rotate clockwise the view by deltaYaw around the view center (camera moves) More...
void	rotateCamera (float diffPitch, float diffYaw)
	Rotates the camera on itself. More...
void	setCameraHeadingAngle (float angle)
	Set camera heading to angle (used for rotating the view) More...
void	setCameraMovementSpeed (double movementSpeed)
	Sets the camera movement speed. More...
void	setCameraPose (const QgsCameraPose &camPose)
	Sets camera pose. More...
void	setLookingAtPoint (const QgsVector3D &point, float distance, float pitch, float yaw)
	Sets the complete camera configuration: the point towards it is looking (in 3D world coordinates), the distance of the camera from the point, pitch angle in degrees (0 = looking from the top, 90 = looking from the side) and yaw angle in degrees. More...
void	setVerticalAxisInversion (Qgis::VerticalAxisInversion inversion)
	Sets the vertical axis inversion behavior. More...
void	setViewFromTop (float worldX, float worldY, float distance, float yaw=0)
	Sets camera to look down towards given point in world coordinate, in given distance from plane with zero elevation. More...
void	tiltUpAroundViewCenter (float deltaPitch)
	Tilt up the view by deltaPitch around the view center (camera moves) More...
Qgis::VerticalAxisInversion	verticalAxisInversion () const
	Returns the vertical axis inversion behavior. More...
void	walkView (double tx, double ty, double tz)
	Walks into the map by tx, ty, and tz. More...
bool	willHandleKeyEvent (QKeyEvent *event)
	Returns true if the camera controller will handle the specified key event, preventing it from being instead handled by parents of the 3D window before the controller ever receives it. More...
QDomElement	writeXml (QDomDocument &doc) const
	Writes camera configuration to the given DOM element. More...
float	yaw () const
	Returns yaw angle in degrees. More...
void	zoom (float factor)
	Zoom the map by factor. More...

Detailed Description

3

Object that controls camera movement based on user input

Note

Not available in Python bindings

Since

QGIS 3.0

Definition at line 59 of file qgscameracontroller.h.

Constructor & Destructor Documentation

QgsCameraController()

QgsCameraController::QgsCameraController

(

Qgs3DMapScene *

scene

)

Constructs the camera controller with optional parent node that will take ownership.

Definition at line 30 of file qgscameracontroller.cpp.

~QgsCameraController()

QgsCameraController::~QgsCameraController ( )

overridedefault

Member Function Documentation

camera()

Qt3DRender::QCamera * QgsCameraController::camera ( ) const

inline

Returns camera that is being controlled.

Note

Not available in Python bindings

Definition at line 79 of file qgscameracontroller.h.

cameraChanged

void QgsCameraController::cameraChanged ( )

signal

Emitted when camera has been updated.

cameraMovementSpeed()

double QgsCameraController::cameraMovementSpeed ( ) const

inline

Returns the camera movement speed.

Since

QGIS 3.18

Definition at line 92 of file qgscameracontroller.h.

cameraMovementSpeedChanged

void QgsCameraController::cameraMovementSpeedChanged ( double  speed )

signal

Emitted whenever the camera movement speed is changed by the controller.

cameraNavigationMode()

Qgis::NavigationMode QgsCameraController::cameraNavigationMode ( ) const

inline

Returns the navigation mode used by the camera controller.

Since

QGIS 3.18

Definition at line 86 of file qgscameracontroller.h.

cameraPose()

QgsCameraPose QgsCameraController::cameraPose ( ) const

inline

Returns camera pose.

Since

QGIS 3.4

Definition at line 142 of file qgscameracontroller.h.

cameraRotationCenterChanged

void QgsCameraController::cameraRotationCenterChanged ( QVector3D  position )

signal

Emitted when the camera rotation center changes.

Since

QGIS 3.24

depthBufferCaptured

void QgsCameraController::depthBufferCaptured ( const QImage &  depthImage )

slot

Sets the depth buffer image used by the camera controller to calculate world position from a pixel's coordinates and depth.

Since

QGIS 3.24

Definition at line 1082 of file qgscameracontroller.cpp.

distance()

float QgsCameraController::distance ( ) const

inline

Returns distance of the camera from the point it is looking at.

The value should not be smaller than 10.

Since

QGIS 3.4

Definition at line 149 of file qgscameracontroller.h.

frameTriggered()

void QgsCameraController::frameTriggered

(

float

dt

)

Called internally from 3D scene when a new frame is generated. Updates camera according to keyboard/mouse input.

Definition at line 134 of file qgscameracontroller.cpp.

lookingAtPoint()

QgsVector3D QgsCameraController::lookingAtPoint

(

)

const

Returns the point in the world coordinates towards which the camera is looking.

Definition at line 162 of file qgscameracontroller.cpp.

moveView()

void QgsCameraController::moveView	(	float	tx,
		float	ty
	)

Move the map by tx and ty.

Definition at line 1008 of file qgscameracontroller.cpp.

navigationModeChanged

void QgsCameraController::navigationModeChanged ( Qgis::NavigationMode  mode )

signal

Emitted when the navigation mode is changed using the hotkey ctrl + ~.

pitch()

float QgsCameraController::pitch ( ) const

inline

Returns pitch angle in degrees (0 = looking from the top, 90 = looking from the side).

The angle should range from 0 to 180.

Since

QGIS 3.4

Definition at line 156 of file qgscameracontroller.h.

readXml()

void QgsCameraController::readXml

(

const QDomElement &

elem

)

Reads camera configuration from the given DOM element.

Definition at line 202 of file qgscameracontroller.cpp.

requestDepthBufferCapture

void QgsCameraController::requestDepthBufferCapture ( )

signal

Emitted to ask for the depth buffer image.

Since

QGIS 3.24

resetView()

void QgsCameraController::resetView

(

float

distance

)

Move camera back to the initial position (looking down towards origin of world's coordinates)

Definition at line 139 of file qgscameracontroller.cpp.

rotateAroundViewCenter()

void QgsCameraController::rotateAroundViewCenter

(

float

deltaYaw

)

Rotate clockwise the view by deltaYaw around the view center (camera moves)

Definition at line 993 of file qgscameracontroller.cpp.

rotateCamera()

void QgsCameraController::rotateCamera	(	float	diffPitch,
		float	diffYaw
	)

Rotates the camera on itself.

Parameters

diffPitch	the pitch difference
diffYaw	the yaw difference

Since

QGIS 3.30

Definition at line 102 of file qgscameracontroller.cpp.

setCameraHeadingAngle()

void QgsCameraController::setCameraHeadingAngle

(

float

angle

)

Set camera heading to angle (used for rotating the view)

Definition at line 1002 of file qgscameracontroller.cpp.

setCameraMovementSpeed()

void QgsCameraController::setCameraMovementSpeed

(

double

movementSpeed

)

Sets the camera movement speed.

Since

QGIS 3.18

Definition at line 88 of file qgscameracontroller.cpp.

setCameraNavigationMode

void QgsCameraController::setCameraNavigationMode ( Qgis::NavigationMode  navigationMode )

slot

Sets the navigation mode used by the camera controller.

Since

QGIS 3.18

Definition at line 78 of file qgscameracontroller.cpp.

setCameraPose()

void QgsCameraController::setCameraPose

(

const QgsCameraPose &

camPose

)

Sets camera pose.

Since

QGIS 3.4

Definition at line 177 of file qgscameracontroller.cpp.

setCursorPosition

void QgsCameraController::setCursorPosition ( QPoint  point )

signal

Emitted when the mouse cursor position should be moved to the specified point on the map viewport.

setLookingAtPoint()

void QgsCameraController::setLookingAtPoint	(	const QgsVector3D &	point,
		float	distance,
		float	pitch,
		float	yaw
	)

Sets the complete camera configuration: the point towards it is looking (in 3D world coordinates), the distance of the camera from the point, pitch angle in degrees (0 = looking from the top, 90 = looking from the side) and yaw angle in degrees.

Since

QGIS 3.4

Definition at line 167 of file qgscameracontroller.cpp.

setVerticalAxisInversion()

void QgsCameraController::setVerticalAxisInversion

(

Qgis::VerticalAxisInversion

inversion

)

Sets the vertical axis inversion behavior.

Since

QGIS 3.18

Definition at line 97 of file qgscameracontroller.cpp.

setViewFromTop()

void QgsCameraController::setViewFromTop	(	float	worldX,
		float	worldY,
		float	distance,
		float	yaw = 0
	)

Sets camera to look down towards given point in world coordinate, in given distance from plane with zero elevation.

Definition at line 144 of file qgscameracontroller.cpp.

tiltUpAroundViewCenter()

void QgsCameraController::tiltUpAroundViewCenter

(

float

deltaPitch

)

Tilt up the view by deltaPitch around the view center (camera moves)

Definition at line 984 of file qgscameracontroller.cpp.

verticalAxisInversion()

Qgis::VerticalAxisInversion QgsCameraController::verticalAxisInversion ( ) const

inline

Returns the vertical axis inversion behavior.

Since

QGIS 3.18

Definition at line 104 of file qgscameracontroller.h.

walkView()

void QgsCameraController::walkView	(	double	tx,
		double	ty,
		double	tz
	)

Walks into the map by tx, ty, and tz.

Since

QGIS 3.30

Definition at line 820 of file qgscameracontroller.cpp.

willHandleKeyEvent()

bool QgsCameraController::willHandleKeyEvent

(

QKeyEvent *

event

)

Returns true if the camera controller will handle the specified key event, preventing it from being instead handled by parents of the 3D window before the controller ever receives it.

Definition at line 1027 of file qgscameracontroller.cpp.

writeXml()

QDomElement QgsCameraController::writeXml

(

QDomDocument &

doc

)

const

Writes camera configuration to the given DOM element.

Definition at line 190 of file qgscameracontroller.cpp.

yaw()

float QgsCameraController::yaw ( ) const

inline

Returns yaw angle in degrees.

Yaw value of zero means the camera is pointing towards north. The angle should range from 0 to 360.

Since

QGIS 3.4

Definition at line 163 of file qgscameracontroller.h.

zoom()

void QgsCameraController::zoom

(

float

factor

)

Zoom the map by factor.

Definition at line 519 of file qgscameracontroller.cpp.

---

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

• /build/qgis-3.30.0+99sid/src/3d/qgscameracontroller.h
• /build/qgis-3.30.0+99sid/src/3d/qgscameracontroller.cpp