Representation of an entire scene graph. More...

#include <rendering/rendering.hh>

Inheritance diagram for gazebo::rendering::Scene:

Public Member Functions
	Scene (const std::string &_name, bool _enableVisualizations=false)
	Constructor.

virtual	~Scene ()
	Destructor.

void	AddVisual (VisualPtr _vis)
	Add a visual to the scene.

void	Clear ()
	Clear rendering::Scene.

VisualPtr	CloneVisual (const std::string &_visualName, const std::string &_newName)
	Clone a visual.

CameraPtr	CreateCamera (const std::string &_name, bool _autoRender=true)
	Create a camera.

DepthCameraPtr	CreateDepthCamera (const std::string &_name, bool _autoRender=true)
	Create depth camera.

void	CreateGrid (uint32_t _cellCount, float _cellLength, float _lineWidth, const common::Color &_color)
	Create a square grid of cells.

UserCameraPtr	CreateUserCamera (const std::string &_name)
	Create a user camera.

void	DrawLine (const math::Vector3 &_start, const math::Vector3 &_end, const std::string &_name)
	Draw a named line.

common::Color	GetAmbientColor () const
	Get the ambient color.

common::Color	GetBackgroundColor () const
	Get the background color.

CameraPtr	GetCamera (uint32_t _index) const
	Get a camera based on an index.

CameraPtr	GetCamera (const std::string &_name) const
	Get a camera by name.

uint32_t	GetCameraCount () const
	Create laser that generates data from rendering.

bool	GetFirstContact (CameraPtr _camera, const math::Vector2i &_mousePos, math::Vector3 &_position)
	Get the world pos of a the first contact at a pixel location.

Grid *	GetGrid (uint32_t _index) const
	Get a grid based on an index.

uint32_t	GetGridCount () const
	Get the number of grids.

double	GetHeightBelowPoint (const math::Vector3 &_pt)
	Get the Z-value of the first object below the given point.

Heightmap *	GetHeightmap () const
	Get a pointer to the heightmap.

uint32_t	GetId () const
	Get the scene ID.

std::string	GetIdString () const
	Get the scene Id as a string.

LightPtr	GetLight (const std::string &_name) const
	Get a light by name.

LightPtr	GetLight (uint32_t _index) const
	Get a light based on an index.

uint32_t	GetLightCount () const
	Get the count of the lights.

Ogre::SceneManager *	GetManager () const
	Get the OGRE scene manager.

VisualPtr	GetModelVisualAt (CameraPtr _camera, const math::Vector2i &_mousePos)
	Get a model's visual at a mouse position.

std::string	GetName () const
	Get the name of the scene.

VisualPtr	GetSelectedVisual () const
	Get the currently selected visual.

bool	GetShadowsEnabled () const
	Get whether shadows are on or off.

UserCameraPtr	GetUserCamera (uint32_t _index) const
	Get a user camera by index.

uint32_t	GetUserCameraCount () const
	Get the number of user cameras in this scene.

VisualPtr	GetVisual (const std::string &_name) const
	Get a visual by name.

VisualPtr	GetVisualAt (CameraPtr _camera, const math::Vector2i &_mousePos, std::string &_mod)
	Get an entity at a pixel location using a camera.

VisualPtr	GetVisualAt (CameraPtr _camera, const math::Vector2i &_mousePos)
	Get a visual at a mouse position.

VisualPtr	GetVisualBelow (const std::string &_visualName)
	Get the closest visual below a given visual.

void	GetVisualsBelowPoint (const math::Vector3 &_pt, std::vector< VisualPtr > &_visuals)
	Get a visual directly below a point.

VisualPtr	GetWorldVisual () const
	Get the top level world visual.

void	Init ()
	Init rendering::Scene.

void	Load (sdf::ElementPtr _scene)
	Load the scene from a set of parameters.

void	Load ()
	Load the scene with default parameters.

void	PreRender ()
	Process all received messages.

void	PrintSceneGraph ()
	Print the scene graph to std_out.

void	RemoveVisual (VisualPtr _vis)
	Remove a visual from the scene.

void	SelectVisual (const std::string &_name, const std::string &_mode)
	Select a visual by name.

void	SetAmbientColor (const common::Color &_color)
	Set the ambient color.

void	SetBackgroundColor (const common::Color &_color)
	Set the background color.

void	SetFog (const std::string &_type, const common::Color &_color, double _density, double _start, double _end)
	Set the fog parameters.

void	SetGrid (bool _enabled)
	Set the grid on or off.

void	SetShadowsEnabled (bool _value)
	Set whether shadows are on or off.

void	SetTransparent (bool _show)
	Enable or disable transparency for all visuals.

void	SetVisible (const std::string &_name, bool _visible)
	Hide or show a visual.

void	ShowCollisions (bool _show)
	Enable or disable collision visualization.

void	ShowCOMs (bool _show)
	Enable or disable center of mass visualization.

void	ShowContacts (bool _show)
	Enable or disable contact visualization.

void	ShowJoints (bool _show)
	Enable or disable joint visualization.

void	SnapVisualToNearestBelow (const std::string &_visualName)
	Move the visual to be ontop of the nearest visual below it.

std::string	StripSceneName (const std::string &_name) const
	Remove the name of scene from a string.

Public Attributes
SkyX::SkyX *	skyx
	Pointer to the sky.

Detailed Description

Representation of an entire scene graph.

Maintains all the Visuals, Lights, and Cameras for a World.

Constructor & Destructor Documentation

gazebo::rendering::Scene::Scene	(	const std::string &	_name,
		bool	_enableVisualizations = `false`
	)

Constructor.

Parameters

[in]	_name	Name of the scene.
[in]	_enableVisualizations	True to enable visualizations, this should be set to true for user interfaces, and false for sensor generation.

virtual gazebo::rendering::Scene::~Scene ( )

virtual

Destructor.

Member Function Documentation

void gazebo::rendering::Scene::AddVisual ( VisualPtr _vis )

Add a visual to the scene.

Parameters

[in] _vis Visual to add.

void gazebo::rendering::Scene::Clear ( )

Clear rendering::Scene.

VisualPtr gazebo::rendering::Scene::CloneVisual	(	const std::string &	_visualName,
		const std::string &	_newName
	)

Clone a visual.

Parameters

[in]	_visualName	Name of the visual to clone.
[in]	_newName	New name of the visual.

Returns: Pointer to the cloned visual.

CameraPtr gazebo::rendering::Scene::CreateCamera	(	const std::string &	_name,
		bool	_autoRender = `true`
	)

Create a camera.

Parameters

[in]	_name	Name of the new camera.
[in]	_autoRender	True to allow Gazebo to automatically render the camera. This should almost always be true.

Returns: Pointer to the new camera.

DepthCameraPtr gazebo::rendering::Scene::CreateDepthCamera	(	const std::string &	_name,
		bool	_autoRender = `true`
	)

Create depth camera.

Parameters

[in]	_name	Name of the new camera.
[in]	_autoRender	True to allow Gazebo to automatically render the camera. This should almost always be true.

Returns: Pointer to the new camera.

void gazebo::rendering::Scene::CreateGrid	(	uint32_t	_cellCount,
		float	_cellLength,
		float	_lineWidth,
		const common::Color &	_color
	)

Create a square grid of cells.

Parameters

[in]	_cellCount	Number of grid cells in one direction.
[in]	_cellLength	Length of one grid cell.
[in]	_lineWidth	Width of the grid lines.
[in]	_color	Color of the grid lines.

UserCameraPtr gazebo::rendering::Scene::CreateUserCamera ( const std::string & _name )

Create a user camera.

A user camera is one design for use with a GUI.

Parameters

[in] _name Name of the UserCamera.

Returns: A pointer to the new UserCamera.

void gazebo::rendering::Scene::DrawLine	(	const math::Vector3 &	_start,
		const math::Vector3 &	_end,
		const std::string &	_name
	)

Draw a named line.

Parameters

[in]	_start	Start position of the line.
[in]	_end	End position of the line.
[in]	_name	Name of the line.

common::Color gazebo::rendering::Scene::GetAmbientColor ( ) const

Get the ambient color.

Returns: The scene's ambient color.

common::Color gazebo::rendering::Scene::GetBackgroundColor ( ) const

Get the background color.

Returns: The background color.

CameraPtr gazebo::rendering::Scene::GetCamera ( uint32_t _index ) const

Get a camera based on an index.

Index must be between 0 and Scene::GetCameraCount.

Parameters

[in] _index Index of the camera to get.

Returns: Pointer to the camera. Or NULL if the index is invalid.

CameraPtr gazebo::rendering::Scene::GetCamera ( const std::string & _name ) const

Get a camera by name.

Parameters

[in] _name Name of the camera.

Returns: Pointer to the camera. Or NULL if the name is invalid.

uint32_t gazebo::rendering::Scene::GetCameraCount ( ) const

Create laser that generates data from rendering.

Parameters

[in]	_name	Name of the new laser.
[in]	_autoRender	True to allow Gazebo to automatically render the camera. This should almost always be true.

Returns: Pointer to the new laser. Get the number of cameras in this scene; Number of lasers.

bool gazebo::rendering::Scene::GetFirstContact	(	CameraPtr	_camera,
		const math::Vector2i &	_mousePos,
		math::Vector3 &	_position
	)

Get the world pos of a the first contact at a pixel location.

Parameters

[in]	_camera	Pointer to the camera.
[in]	_mousePos	2D position of the mouse in pixels.
[out]	_position	3D position of the first contact point.

Returns: True if a valid object was hit by the raycast.

Grid* gazebo::rendering::Scene::GetGrid ( uint32_t _index ) const

Get a grid based on an index.

Index must be between 0 and Scene::GetGridCount.

Parameters

[in] _index Index of the grid.

uint32_t gazebo::rendering::Scene::GetGridCount ( ) const

Get the number of grids.

Returns: The number of grids.

double gazebo::rendering::Scene::GetHeightBelowPoint ( const math::Vector3 & _pt )

Get the Z-value of the first object below the given point.

Parameters

[in] _pt Position to search below for a visual.

Returns: The Z-value of the nearest visual below the point. Zero is returned if no visual is found.

Heightmap* gazebo::rendering::Scene::GetHeightmap ( ) const

Get a pointer to the heightmap.

Returns: Pointer to the heightmap, NULL if no heightmap.

uint32_t gazebo::rendering::Scene::GetId ( ) const

Get the scene ID.

Returns: The ID of the scene.

std::string gazebo::rendering::Scene::GetIdString ( ) const

Get the scene Id as a string.

Returns: The ID as a string.

LightPtr gazebo::rendering::Scene::GetLight ( const std::string & _name ) const

Get a light by name.

Parameters

[in] _name Name of the light to get.

Returns: Pointer to the light, or NULL if the light was not found.

LightPtr gazebo::rendering::Scene::GetLight ( uint32_t _index ) const

Get a light based on an index.

The index must be between 0 and Scene::GetLightCount.

Parameters

[in] _index Index of the light.

Returns: Pointer to the Light or NULL if index was invalid.

uint32_t gazebo::rendering::Scene::GetLightCount ( ) const

Get the count of the lights.

Returns: The number of lights.

Ogre::SceneManager* gazebo::rendering::Scene::GetManager ( ) const

Get the OGRE scene manager.

Returns: Pointer to the Ogre SceneManager.

VisualPtr gazebo::rendering::Scene::GetModelVisualAt	(	CameraPtr	_camera,
		const math::Vector2i &	_mousePos
	)

Get a model's visual at a mouse position.

Parameters

[in]	_camera	Pointer to the camera used to project the mouse position.
[in]	_mousePos	The 2d position of the mouse in pixels.

Returns: Pointer to the visual, NULL if none found.

std::string gazebo::rendering::Scene::GetName ( ) const

Get the name of the scene.

Returns: Name of the scene.

VisualPtr gazebo::rendering::Scene::GetSelectedVisual ( ) const

Get the currently selected visual.

Returns: Pointer to the currently selected visual, or NULL if nothing is selected.

bool gazebo::rendering::Scene::GetShadowsEnabled ( ) const

Get whether shadows are on or off.

Returns: True if shadows are enabled.

UserCameraPtr gazebo::rendering::Scene::GetUserCamera ( uint32_t _index ) const

Get a user camera by index.

The index value must be between 0 and Scene::GetUserCameraCount.

Parameters

[in] _index Index of the UserCamera to get.

Returns: Pointer to the UserCamera, or NULL if the index was invalid.

uint32_t gazebo::rendering::Scene::GetUserCameraCount ( ) const

Get the number of user cameras in this scene.

Returns: The number of user cameras.

VisualPtr gazebo::rendering::Scene::GetVisual ( const std::string & _name ) const

Get a visual by name.

VisualPtr gazebo::rendering::Scene::GetVisualAt	(	CameraPtr	_camera,
		const math::Vector2i &	_mousePos,
		std::string &	_mod
	)

Get an entity at a pixel location using a camera.

Used for mouse picking.

Parameters

[in]	_camera	The ogre camera, used to do mouse picking
[in]	_mousePos	The position of the mouse in screen coordinates
[out]	_mod	Used for object manipulation

Returns: The selected entity, or NULL

VisualPtr gazebo::rendering::Scene::GetVisualAt	(	CameraPtr	_camera,
		const math::Vector2i &	_mousePos
	)

Get a visual at a mouse position.

Parameters

[in]	_camera	Pointer to the camera used to project the mouse position.
[in]	_mousePos	The 2d position of the mouse in pixels.

Returns: Pointer to the visual, NULL if none found.

VisualPtr gazebo::rendering::Scene::GetVisualBelow ( const std::string & _visualName )

Get the closest visual below a given visual.

Parameters

[in] _visualName Name of the visual to search below.

Returns: Pointer to the visual below, or NULL if no visual.

void gazebo::rendering::Scene::GetVisualsBelowPoint	(	const math::Vector3 &	_pt,
		std::vector< VisualPtr > &	_visuals
	)

Get a visual directly below a point.

Parameters

[in]	_pt	3D point to get the visual below.
[out]	_visuals	The visuals below the point order in proximity.

VisualPtr gazebo::rendering::Scene::GetWorldVisual ( ) const

Get the top level world visual.

Returns: Pointer to the world visual.

void gazebo::rendering::Scene::Init ( )

Init rendering::Scene.

void gazebo::rendering::Scene::Load ( sdf::ElementPtr _scene )

Load the scene from a set of parameters.

Parameters

[in] _scene SDF scene element to load.

void gazebo::rendering::Scene::Load ( )

Load the scene with default parameters.

void gazebo::rendering::Scene::PreRender ( )

Process all received messages.

void gazebo::rendering::Scene::PrintSceneGraph ( )

Print the scene graph to std_out.

void gazebo::rendering::Scene::RemoveVisual ( VisualPtr _vis )

Remove a visual from the scene.

Parameters

[in] _vis Visual to remove.

void gazebo::rendering::Scene::SelectVisual	(	const std::string &	_name,
		const std::string &	_mode
	)

Select a visual by name.

Parameters

[in]	_name	Name of the visual to select.
[in]	_mode	Selection mode (normal, or move).

void gazebo::rendering::Scene::SetAmbientColor ( const common::Color & _color )

Set the ambient color.

Parameters

[in] _color The ambient color to use.

void gazebo::rendering::Scene::SetBackgroundColor ( const common::Color & _color )

Set the background color.

Parameters

[in] _color The background color.

void gazebo::rendering::Scene::SetFog	(	const std::string &	_type,
		const common::Color &	_color,
		double	_density,
		double	_start,
		double	_end
	)

Set the fog parameters.

Parameters

[in]	_type	Type of fog: "linear", "exp", or "exp2".
[in]	_color	Color of the fog.
[in]	_density	Fog density.
[in]	_start	Distance from camera to start the fog.
[in]	_end	Distance from camera at which the fog is at max density.

void gazebo::rendering::Scene::SetGrid ( bool _enabled )

Set the grid on or off.

Parameters

[in] _enabled Set to true to turn on the grid

void gazebo::rendering::Scene::SetShadowsEnabled ( bool _value )

Set whether shadows are on or off.

Parameters

[in] _value True to enable shadows, False to disable

void gazebo::rendering::Scene::SetTransparent ( bool _show )

Enable or disable transparency for all visuals.

Parameters

[in] _show True to enable transparency for all visuals.

void gazebo::rendering::Scene::SetVisible	(	const std::string &	_name,
		bool	_visible
	)

Hide or show a visual.

Parameters

[in]	_name	Name of the visual to change.
[in]	_visible	True to make visual visible, False to make it invisible.

void gazebo::rendering::Scene::ShowCollisions ( bool _show )

Enable or disable collision visualization.

Parameters

[in] _show True to enable collision visualization.

void gazebo::rendering::Scene::ShowCOMs ( bool _show )

Enable or disable center of mass visualization.

Parameters

[in] _show True to enable center of mass visualization.

void gazebo::rendering::Scene::ShowContacts ( bool _show )

Enable or disable contact visualization.

Parameters

[in] _show True to enable contact visualization.

void gazebo::rendering::Scene::ShowJoints ( bool _show )

Enable or disable joint visualization.

Parameters

[in] _show True to enable joint visualization.

void gazebo::rendering::Scene::SnapVisualToNearestBelow ( const std::string & _visualName )

Move the visual to be ontop of the nearest visual below it.

Parameters

[in] _visualName Name of the visual to move.

std::string gazebo::rendering::Scene::StripSceneName ( const std::string & _name ) const

Remove the name of scene from a string.

Parameters

[in] _name Name to string the scene name from.

Returns: The stripped name.

Member Data Documentation

SkyX::SkyX* gazebo::rendering::Scene::skyx

Pointer to the sky.

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

Scene.hh

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation