#include <pcl/io/image_grabber.h>

Inheritance diagram for pcl::ImageGrabber< PointT >:

Public Member Functions
	ImageGrabber (const std::string &dir, float frames_per_second=0, bool repeat=false, bool pclzf_mode=false)

	ImageGrabber (const std::string &depth_dir, const std::string &rgb_dir, float frames_per_second=0, bool repeat=false)

	ImageGrabber (const std::vector< std::string > &depth_image_files, float frames_per_second=0, bool repeat=false)

virtual	~ImageGrabber () throw ()
	Empty destructor. More...

const boost::shared_ptr< const pcl::PointCloud< PointT > >	operator[] (size_t idx) const
	operator[] Returns the idx-th cloud in the dataset, without bounds checking. More...

size_t	size () const
	size Returns the number of clouds currently loaded by the grabber More...

Public Member Functions inherited from pcl::ImageGrabberBase
	ImageGrabberBase (const std::string &directory, float frames_per_second, bool repeat, bool pclzf_mode)
	Constructor taking a folder of depth+[rgb] images. More...

	ImageGrabberBase (const std::string &depth_directory, const std::string &rgb_directory, float frames_per_second, bool repeat)

	ImageGrabberBase (const std::vector< std::string > &depth_image_files, float frames_per_second, bool repeat)
	Constructor taking a list of paths to PCD files, that are played in the order they appear in the list. More...

	ImageGrabberBase (const ImageGrabberBase &src)
	Copy constructor. More...

ImageGrabberBase &	operator= (const ImageGrabberBase &src)
	Copy operator. More...

virtual	~ImageGrabberBase () throw ()
	Virtual destructor. More...

virtual void	start ()
	Starts playing the list of PCD files if frames_per_second is > 0. More...

virtual void	stop ()
	Stops playing the list of PCD files if frames_per_second is > 0. More...

virtual void	trigger ()
	Triggers a callback with new data. More...

virtual bool	isRunning () const
	whether the grabber is started (publishing) or not. More...

virtual std::string	getName () const

virtual void	rewind ()
	Rewinds to the first PCD file in the list. More...

virtual float	getFramesPerSecond () const
	Returns the frames_per_second. More...

bool	isRepeatOn () const
	Returns whether the repeat flag is on. More...

bool	atLastFrame () const
	Returns if the last frame is reached. More...

std::string	getCurrentDepthFileName () const
	Returns the filename of the current indexed file. More...

std::string	getPrevDepthFileName () const
	Returns the filename of the previous indexed file SDM: adding this back in, but is this useful, or confusing? More...

std::string	getDepthFileNameAtIndex (size_t idx) const
	Get the depth filename at a particular index. More...

bool	getTimestampAtIndex (size_t idx, pcl::uint64_t &timestamp) const
	Query only the timestamp of an index, if it exists. More...

void	setRGBImageFiles (const std::vector< std::string > &rgb_image_files)
	Manually set RGB image files. More...

virtual void	setCameraIntrinsics (const double focal_length_x, const double focal_length_y, const double principal_point_x, const double principal_point_y)
	Define custom focal length and center pixel. More...

virtual void	getCameraIntrinsics (double &focal_length_x, double &focal_length_y, double &principal_point_x, double &principal_point_y) const
	Get the current focal length and center pixel. More...

void	setDepthImageUnits (float units)
	Define the units the depth data is stored in. More...

void	setNumberOfThreads (unsigned int nr_threads=0)
	Set the number of threads, if we wish to use OpenMP for quicker cloud population. More...

Public Member Functions inherited from pcl::Grabber
	Grabber ()
	Constructor. More...

virtual	~Grabber () throw ()
	virtual desctructor. More...

template<typename T >
boost::signals2::connection	registerCallback (const boost::function< T > &callback)
	registers a callback function/method to a signal with the corresponding signature More...

template<typename T >
bool	providesCallback () const
	indicates whether a signal with given parameter-type exists or not More...

Public Member Functions inherited from pcl::FileGrabber< PointT >
virtual	~FileGrabber ()
	Empty destructor. More...

virtual const boost::shared_ptr< const pcl::PointCloud< PointT > >	at (size_t idx) const
	at Returns the idx-th cloud in the dataset, with bounds checking More...

Protected Member Functions
virtual void	publish (const pcl::PCLPointCloud2 &blob, const Eigen::Vector4f &origin, const Eigen::Quaternionf &orientation) const

Protected Member Functions inherited from pcl::ImageGrabberBase
size_t	numFrames () const
	Convenience function to see how many frames this consists of. More...

bool	getCloudAt (size_t idx, pcl::PCLPointCloud2 &blob, Eigen::Vector4f &origin, Eigen::Quaternionf &orientation) const
	Gets the cloud in ROS form at location idx. More...

Protected Member Functions inherited from pcl::Grabber
virtual void	signalsChanged ()

template<typename T >
boost::signals2::signal< T > *	find_signal () const

template<typename T >
int	num_slots () const

template<typename T >
void	disconnect_all_slots ()

template<typename T >
void	block_signal ()

template<typename T >
void	unblock_signal ()

void	block_signals ()

void	unblock_signals ()

template<typename T >
boost::signals2::signal< T > *	createSignal ()

Protected Attributes
boost::signals2::signal< void(const boost::shared_ptr< const pcl::PointCloud< PointT > > &)> *	signal_

Protected Attributes inherited from pcl::Grabber
std::map< std::string, boost::signals2::signal_base * >	signals_

std::map< std::string, std::vector< boost::signals2::connection > >	connections_

std::map< std::string, std::vector< boost::signals2::shared_connection_block > >	shared_connections_

Detailed Description

template<typename PointT>
class pcl::ImageGrabber< PointT >

Definition at line 216 of file image_grabber.h.

Constructor & Destructor Documentation

template<typename PointT >

pcl::ImageGrabber< PointT >::ImageGrabber	(	const std::string &	dir,
		float	frames_per_second = `0`,
		bool	repeat = `false`,
		bool	pclzf_mode = `false`
	)

Definition at line 254 of file image_grabber.h.

References pcl::ImageGrabber< PointT >::signal_.

template<typename PointT >

pcl::ImageGrabber< PointT >::ImageGrabber	(	const std::string &	depth_dir,
		const std::string &	rgb_dir,
		float	frames_per_second = `0`,
		bool	repeat = `false`
	)

Definition at line 265 of file image_grabber.h.

References pcl::ImageGrabber< PointT >::signal_.

template<typename PointT >

pcl::ImageGrabber< PointT >::ImageGrabber	(	const std::vector< std::string > &	depth_image_files,
		float	frames_per_second = `0`,
		bool	repeat = `false`
	)

Definition at line 276 of file image_grabber.h.

References pcl::ImageGrabber< PointT >::signal_.

template<typename PointT >

virtual pcl::ImageGrabber< PointT >::~ImageGrabber	(	)
throw	(
	)

inlinevirtual

Empty destructor.

Definition at line 234 of file image_grabber.h.

Member Function Documentation

template<typename PointT >

const boost::shared_ptr< const pcl::PointCloud< PointT > > pcl::ImageGrabber< PointT >::operator[] ( size_t idx ) const

virtual

operator[] Returns the idx-th cloud in the dataset, without bounds checking.

Note that in the future, this could easily be modified to do caching

Parameters

[in] idx The frame to load

Implements pcl::FileGrabber< PointT >.

Definition at line 286 of file image_grabber.h.

References pcl::fromPCLPointCloud2(), pcl::ImageGrabberBase::getCloudAt(), pcl::PointCloud< PointT >::sensor_orientation_, and pcl::PointCloud< PointT >::sensor_origin_.

template<typename PointT >

void pcl::ImageGrabber< PointT >::publish	(	const pcl::PCLPointCloud2 &	blob,
		const Eigen::Vector4f &	origin,
		const Eigen::Quaternionf &	orientation
	)		const