Inheritance diagram for hough_lines::HoughLinesNodelet:

Public Member Functions
virtual void	onInit ()
	Initialize nodehandles nh_ and pnh_. Subclass should call this method in its onInit method.
Private Types
typedef hough_lines::HoughLinesConfig	Config
typedef dynamic_reconfigure::Server < Config >	ReconfigureServer
Private Member Functions
void	do_work (const sensor_msgs::ImageConstPtr &msg, const std::string input_frame_from_msg)
const std::string &	frameWithDefault (const std::string &frame, const std::string &image_frame)
void	imageCallback (const sensor_msgs::ImageConstPtr &msg)
void	imageCallbackWithInfo (const sensor_msgs::ImageConstPtr &msg, const sensor_msgs::CameraInfoConstPtr &cam_info)
void	reconfigureCallback (Config &new_config, uint32_t level)
void	subscribe ()
	This method is called when publisher is subscribed by other nodes. Set up subscribers in this method.
void	unsubscribe ()
	This method is called when publisher is unsubscribed by other nodes. Shut down subscribers in this method.
Static Private Member Functions
static void	trackbarCallback (int, void *)
Private Attributes
image_transport::CameraSubscriber	cam_sub_
Config	config_
bool	debug_view_
image_transport::Publisher	img_pub_
image_transport::Subscriber	img_sub_
boost::shared_ptr < image_transport::ImageTransport >	it_
int	max_threshold_
double	maxLineGap_
int	min_threshold_
double	minLineLength_
ros::Publisher	msg_pub_
ros::Time	prev_stamp_
boost::shared_ptr < ReconfigureServer >	reconfigure_server_
double	rho_
double	theta_
int	threshold_
std::string	window_name_
Static Private Attributes
static bool	need_config_update_ = false

Detailed Description

Definition at line 59 of file hough_lines_nodelet.cpp.

Member Typedef Documentation

typedef hough_lines::HoughLinesConfig hough_lines::HoughLinesNodelet::Config [private]

Definition at line 68 of file hough_lines_nodelet.cpp.

typedef dynamic_reconfigure::Server<Config> hough_lines::HoughLinesNodelet::ReconfigureServer [private]

Definition at line 69 of file hough_lines_nodelet.cpp.

Member Function Documentation

void hough_lines::HoughLinesNodelet::do_work	(	const sensor_msgs::ImageConstPtr &	msg,
		const std::string	input_frame_from_msg
	)		`[inline, private]`

Apply Canny edge detector

Check whether input gray image is filtered such that canny, sobel ...etc

Create Trackbars for Thresholds

1. Use Standard Hough Transform

Show the result

2. Use Probabilistic Hough Transform

Show the result

Definition at line 119 of file hough_lines_nodelet.cpp.

const std::string& hough_lines::HoughLinesNodelet::frameWithDefault	(	const std::string &	frame,
		const std::string &	image_frame
	)		`[inline, private]`

Definition at line 97 of file hough_lines_nodelet.cpp.

void hough_lines::HoughLinesNodelet::imageCallback ( const sensor_msgs::ImageConstPtr & msg ) [inline, private]

Definition at line 109 of file hough_lines_nodelet.cpp.

void hough_lines::HoughLinesNodelet::imageCallbackWithInfo	(	const sensor_msgs::ImageConstPtr &	msg,
		const sensor_msgs::CameraInfoConstPtr &	cam_info
	)		`[inline, private]`