GPU based laser distance sensor. More...

#include <rendering/rendering.hh>

Inheritance diagram for gazebo::rendering::GpuLaser:

Public Member Functions
	GpuLaser (const std::string &_namePrefix, Scene *_scene, bool _autoRender=true)
	Constructor.

virtual	~GpuLaser ()
	Destructor.

template<typename T >
event::ConnectionPtr	ConnectNewLaserFrame (T _subscriber)
	Connect to a laser frame signal.

void	CreateLaserTexture (const std::string &_textureName)
	Create the texture which is used to render laser data.

void	DisconnectNewLaserFrame (event::ConnectionPtr &_c)
	Disconnect from a laser frame signal.

virtual void	Fini ()
	Finalize the camera.

const float *	GetLaserData ()
	All things needed to get back z buffer for laser data.

virtual void	Init ()
	Initialize the camera.

virtual void	Load (sdf::ElementPtr &_sdf)

virtual void	Load ()
	Load the camera with default parmeters.

virtual void	notifyRenderSingleObject (Ogre::Renderable _rend, const Ogre::Pass _p, const Ogre::AutoParamDataSource _s, const Ogre::LightList _ll, bool _supp)

virtual void	PostRender ()
	Post render.

void	SetParentSensor (sensors::GpuRaySensor *_parent)
	Set the parent sensor.

void	SetRangeCount (unsigned int _w, unsigned int _h=1)
	Set the number of laser samples in the width and height.

Public Member Functions inherited from gazebo::rendering::Camera
	Camera (const std::string &_namePrefix, ScenePtr _scene, bool _autoRender=true)
	Constructor.

virtual	~Camera ()
	Destructor.

void	AttachToVisual (const std::string &_visualName, bool _inheritOrientation, double _minDist=0.0, double _maxDist=0.0)
	Attach the camera to a scene node.

template<typename T >
event::ConnectionPtr	ConnectNewImageFrame (T _subscriber)
	Connect a to the new image signal.

void	CreateRenderTexture (const std::string &_textureName)
	Set the render target.

void	DisconnectNewImageFrame (event::ConnectionPtr &_c)
	Disconnect from an image frame.

void	EnableSaveFrame (bool _enable)
	Enable or disable saving.

float	GetAspectRatio () const
	Get the apect ratio.

virtual float	GetAvgFPS ()
	Get the average FPS.

void	GetCameraToViewportRay (int _screenx, int _screeny, math::Vector3 &_origin, math::Vector3 &_dir)
	Get a world space ray as cast from the camera through the viewport.

math::Vector3	GetDirection () const
	Get the camera's direction vector.

double	GetFarClip ()
	Get the far clip distance.

math::Angle	GetHFOV () const
	Get the camera FOV (horizontal)

size_t	GetImageByteSize () const
	Get the image size in bytes.

virtual const unsigned char *	GetImageData (unsigned int i=0)
	Get a pointer to the image data.

unsigned int	GetImageDepth () const
	Get the depth of the image.

std::string	GetImageFormat () const
	Get the string representation of the image format.

unsigned int	GetImageHeight () const
	Get the height of the image.

unsigned int	GetImageWidth () const
	Get the width of the image.

bool	GetInitialized () const
	Returns true if initialized.

common::Time	GetLastRenderWallTime ()
	Get the last time the camera was rendered.

std::string	GetName () const
	Get the camera's name.

double	GetNearClip ()
	Get the near clip distance.

Ogre::Camera *	GetOgreCamera () const
	Get a pointer to the ogre camera.

Ogre::SceneNode *	GetPitchNode () const
	Get the camera's pitch scene node.

double	GetRenderRate () const
	Get the render Hz rate.

Ogre::Texture *	GetRenderTexture () const
	Get the render texture.

math::Vector3	GetRight ()
	Get the viewport right vector.

ScenePtr	GetScene () const
	Get the scene this camera is in.

Ogre::SceneNode *	GetSceneNode () const
	Get the camera's scene node.

unsigned int	GetTextureHeight () const
	Get the height of the off-screen render texture.

unsigned int	GetTextureWidth () const
	Get the width of the off-screen render texture.

virtual unsigned int	GetTriangleCount ()
	Get the triangle count.

math::Vector3	GetUp ()
	Get the viewport up vector.

math::Angle	GetVFOV () const
	Get the camera FOV (vertical)

Ogre::Viewport *	GetViewport () const
	Get a pointer to the Ogre::Viewport.

unsigned int	GetViewportHeight () const
	Get the viewport height in pixels.

unsigned int	GetViewportWidth () const
	Get the viewport width in pixels.

unsigned int	GetWindowId () const
	Get the ID of the window this camera is rendering into.

bool	GetWorldPointOnPlane (int _x, int _y, const math::Plane &_plane, math::Vector3 &_result)
	Get point on a plane.

math::Pose	GetWorldPose ()
	Get the global pose of the camera.

math::Vector3	GetWorldPosition () const
	Get the camera position in the world.

math::Quaternion	GetWorldRotation () const
	Get the camera's orientation in the world.

double	GetZValue (int _x, int _y)
	Get the Z-buffer value at the given image coordinate.

bool	IsAnimating () const
	Return true if the camera is moving due to an animation.

bool	IsInitialized () const
	Return true if the camera has been initialized.

bool	IsVisible (VisualPtr _visual)
	Return true if the visual is within the camera's view frustum.

bool	IsVisible (const std::string &_visualName)
	Return true if the visual is within the camera's view frustum.

virtual void	Load (sdf::ElementPtr _sdf)
	Load the camera with a set of parmeters.

virtual bool	MoveToPosition (const math::Pose &_pose, double _time)
	Move the camera to a position (this is an animated motion).

bool	MoveToPositions (const std::vector< math::Pose > &_pts, double _time, boost::function< void()> _onComplete=NULL)
	Move the camera to a series of poses (this is an animated motion).

void	Render ()
	Render the camera.

void	RotatePitch (math::Angle _angle)
	Rotate the camera around the pitch axis.

void	RotateYaw (math::Angle _angle)
	Rotate the camera around the yaw axis.

bool	SaveFrame (const std::string &_filename)
	Save the last frame to disk.

void	SetAspectRatio (float _ratio)
	Set the aspect ratio.

void	SetCaptureData (bool _value)
	Set whether to capture data.

void	SetClipDist (float _near, float _far)
	Set the clip distances.

void	SetHFOV (math::Angle _angle)
	Set the camera FOV (horizontal)

void	SetImageHeight (unsigned int _h)
	Set the image height.

void	SetImageSize (unsigned int _w, unsigned int _h)
	Set the image size.

void	SetImageWidth (unsigned int _w)
	Set the image height.

void	SetName (const std::string &_name)
	Set the camera's name.

void	SetRenderRate (double _hz)
	Set the render Hz rate.

virtual void	SetRenderTarget (Ogre::RenderTarget *_target)
	Set the camera's render target.

void	SetSaveFramePathname (const std::string &_pathname)
	Set the save frame pathname.

void	SetScene (ScenePtr _scene)
	Set the scene this camera is viewing.

void	SetSceneNode (Ogre::SceneNode *_node)
	Set the camera's scene node.

void	SetWindowId (unsigned int _windowId)

virtual void	SetWorldPose (const math::Pose &_pose)
	Set the global pose of the camera.

void	SetWorldPosition (const math::Vector3 &_pos)
	Set the world position.

void	SetWorldRotation (const math::Quaternion &_quat)
	Set the world orientation.

void	ShowWireframe (bool _s)
	Set whether to view the world in wireframe.

void	ToggleShowWireframe ()
	Toggle whether to view the world in wireframe.

void	TrackVisual (const std::string &_visualName)
	Set the camera to track a scene node.

void	Translate (const math::Vector3 &_direction)
	Translate the camera.

virtual void	Update ()

Additional Inherited Members
Static Public Member Functions inherited from gazebo::rendering::Camera
static size_t	GetImageByteSize (unsigned int _width, unsigned int _height, const std::string &_format)
	Calculate image byte size base on a few parameters.

static bool	SaveFrame (const unsigned char *_image, unsigned int _width, unsigned int _height, int _depth, const std::string &_format, const std::string &_filename)
	Save a frame using an image buffer.

Protected Member Functions inherited from gazebo::rendering::Camera
virtual void	AnimationComplete ()
	Internal function used to indicate that an animation has completed.

virtual bool	AttachToVisualImpl (const std::string &_name, bool _inheritOrientation, double _minDist=0, double _maxDist=0)
	Attach the camera to a scene node.

virtual bool	AttachToVisualImpl (VisualPtr _visual, bool _inheritOrientation, double _minDist=0, double _maxDist=0)
	Attach the camera to a visual.

std::string	GetFrameFilename ()
	Get the next frame filename based on SDF parameters.

bool	TrackVisualImpl (const std::string &_visualName)
	Implementation of the Camera::TrackVisual call.

virtual bool	TrackVisualImpl (VisualPtr _visual)
	Set the camera to track a scene node.

Protected Attributes inherited from gazebo::rendering::Camera
Ogre::AnimationState *	animState
	Animation state, used to animate the camera.

unsigned char *	bayerFrameBuffer
	Buffer for a bayer image frame.

Ogre::Camera *	camera
	The OGRE camera.

bool	captureData
	True to capture frames into an image buffer.

std::vector< event::ConnectionPtr >	connections
	The camera's event connections.

int	imageFormat
	Format for saving images.

int	imageHeight
	Save image height.

int	imageWidth
	Save image width.

bool	initialized
	True if initialized.

common::Time	lastRenderWallTime
	Time the last frame was rendered.

std::string	name
	Name of the camera.

bool	newData
	True if new data is available.

event::EventT< void(const unsigned char *, unsigned int, unsigned int, unsigned int, const std::string &)>	newImageFrame
	Event triggered when a new frame is generated.

boost::function< void()>	onAnimationComplete
	User callback for when an animation completes.

Ogre::SceneNode *	pitchNode
	Scene nod that controls camera pitch.

common::Time	prevAnimTime
	Previous time the camera animation was updated.

Ogre::RenderTarget *	renderTarget
	Target that renders frames.

Ogre::Texture *	renderTexture
	Texture that receives results from rendering.

std::list< msgs::Request >	requests
	List of requests.

unsigned int	saveCount
	Number of saved frames.

unsigned char *	saveFrameBuffer

ScenePtr	scene
	Pointer to the scene.

Ogre::SceneNode *	sceneNode
	Scene node that controls camera position.

sdf::ElementPtr	sdf
	Camera's SDF values.

unsigned int	textureHeight
	Height of the render texture.

unsigned int	textureWidth
	Width of the render texture.

Ogre::Viewport *	viewport
	Viewport the ogre camera uses.

unsigned int	windowId
	ID of the window that the camera is attached to.

Detailed Description

GPU based laser distance sensor.

Constructor & Destructor Documentation

gazebo::rendering::GpuLaser::GpuLaser	(	const std::string &	_namePrefix,
		Scene *	_scene,
		bool	_autoRender = `true`
	)

Constructor.

Parameters

[in]	_namePrefix	Unique prefix name for the camera.
[in]	_scene	Scene that will contain the camera
[in]	_autoRender	Almost everyone should leave this as true.

virtual gazebo::rendering::GpuLaser::~GpuLaser ( )

virtual

Destructor.

Member Function Documentation

template<typename T >

event::ConnectionPtr gazebo::rendering::GpuLaser::ConnectNewLaserFrame ( T _subscriber )

inline

Connect to a laser frame signal.

Parameters

[in] _subscriber Callback that is called when a new image is generated

Returns: A pointer to the connection. This must be kept in scope.

References gazebo::event::EventT< T >::Connect().

void gazebo::rendering::GpuLaser::CreateLaserTexture ( const std::string & _textureName )

Create the texture which is used to render laser data.

Parameters

[in] _textureName Name of the new texture.

void gazebo::rendering::GpuLaser::DisconnectNewLaserFrame ( event::ConnectionPtr & _c )

inline

Disconnect from a laser frame signal.

Parameters

[in] _c The connection to disconnect

References gazebo::event::EventT< T >::Disconnect().

virtual void gazebo::rendering::GpuLaser::Fini ( )

virtual

Finalize the camera.

This function is called before the camera is destructed

Reimplemented from gazebo::rendering::Camera.

const float* gazebo::rendering::GpuLaser::GetLaserData ( )

All things needed to get back z buffer for laser data.

Returns: Array of laser data.

virtual void gazebo::rendering::GpuLaser::Init ( )

virtual

Initialize the camera.

Reimplemented from gazebo::rendering::Camera.

virtual void gazebo::rendering::GpuLaser::Load ( sdf::ElementPtr & _sdf )

virtual

virtual void gazebo::rendering::GpuLaser::Load ( )

virtual

Load the camera with default parmeters.

Reimplemented from gazebo::rendering::Camera.

virtual void gazebo::rendering::GpuLaser::notifyRenderSingleObject	(	Ogre::Renderable *	_rend,
		const Ogre::Pass *	_p,
		const Ogre::AutoParamDataSource *	_s,
		const Ogre::LightList *	_ll,
		bool	_supp
	)

virtual

virtual void gazebo::rendering::GpuLaser::PostRender ( )

virtual

Post render.

Called afer the render signal.

Reimplemented from gazebo::rendering::Camera.

void gazebo::rendering::GpuLaser::SetParentSensor ( sensors::GpuRaySensor * _parent )

Set the parent sensor.

Parameters

[in] _parent Pointer to a sensors::GpuRaySensor

void gazebo::rendering::GpuLaser::SetRangeCount	(	unsigned int	_w,
		unsigned int	_h = `1`
	)

Set the number of laser samples in the width and height.

Parameters

[in]	_w	Number of samples in the horizontal sweep
[in]	_h	Number of samples in the vertical sweep

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

GpuLaser.hh

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation