Public Member Functions | Private Types | Private Member Functions | Static Private Member Functions | Private Attributes | Static Private Attributes
opencv_apps::FindContoursNodelet Class Reference
Inheritance diagram for opencv_apps::FindContoursNodelet:
Inheritance graph
[legend]

List of all members.

Public Member Functions

virtual void onInit ()
 Initialize nodehandles nh_ and pnh_. Subclass should call this method in its onInit method.

Private Types

typedef
opencv_apps::FindContoursConfig 
Config
typedef
dynamic_reconfigure::Server
< Config
ReconfigureServer

Private Member Functions

void doWork (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 low_threshold_
ros::Publisher msg_pub_
ros::Time prev_stamp_
int queue_size_
boost::shared_ptr
< ReconfigureServer
reconfigure_server_
std::string window_name_

Static Private Attributes

static bool need_config_update_ = false

Detailed Description

Definition at line 60 of file find_contours_nodelet.cpp.


Member Typedef Documentation

typedef opencv_apps::FindContoursConfig opencv_apps::FindContoursNodelet::Config [private]

Definition at line 69 of file find_contours_nodelet.cpp.

typedef dynamic_reconfigure::Server<Config> opencv_apps::FindContoursNodelet::ReconfigureServer [private]

Definition at line 70 of file find_contours_nodelet.cpp.


Member Function Documentation

void opencv_apps::FindContoursNodelet::doWork ( const sensor_msgs::ImageConstPtr &  msg,
const std::string &  input_frame_from_msg 
) [inline, private]

Convert it to gray

Create window

Reduce noise with a kernel 3x3

Canny detector

Find contours

Draw contours

Create a Trackbar for user to enter threshold

Definition at line 111 of file find_contours_nodelet.cpp.

const std::string& opencv_apps::FindContoursNodelet::frameWithDefault ( const std::string &  frame,
const std::string &  image_frame 
) [inline, private]

Definition at line 89 of file find_contours_nodelet.cpp.

void opencv_apps::FindContoursNodelet::imageCallback ( const sensor_msgs::ImageConstPtr &  msg) [inline, private]

Definition at line 101 of file find_contours_nodelet.cpp.

void opencv_apps::FindContoursNodelet::imageCallbackWithInfo ( const sensor_msgs::ImageConstPtr &  msg,
const sensor_msgs::CameraInfoConstPtr &  cam_info 
) [inline, private]

Definition at line 96 of file find_contours_nodelet.cpp.

virtual void opencv_apps::FindContoursNodelet::onInit ( ) [inline, virtual]

Initialize nodehandles nh_ and pnh_. Subclass should call this method in its onInit method.

Reimplemented from opencv_apps::Nodelet.

Reimplemented in find_contours::FindContoursNodelet.

Definition at line 222 of file find_contours_nodelet.cpp.

void opencv_apps::FindContoursNodelet::reconfigureCallback ( Config new_config,
uint32_t  level 
) [inline, private]

Definition at line 83 of file find_contours_nodelet.cpp.

void opencv_apps::FindContoursNodelet::subscribe ( ) [inline, private, virtual]

This method is called when publisher is subscribed by other nodes. Set up subscribers in this method.

Implements opencv_apps::Nodelet.

Definition at line 205 of file find_contours_nodelet.cpp.

static void opencv_apps::FindContoursNodelet::trackbarCallback ( int  ,
void *   
) [inline, static, private]

Definition at line 106 of file find_contours_nodelet.cpp.

void opencv_apps::FindContoursNodelet::unsubscribe ( ) [inline, private, virtual]

This method is called when publisher is unsubscribed by other nodes. Shut down subscribers in this method.

Implements opencv_apps::Nodelet.

Definition at line 214 of file find_contours_nodelet.cpp.


Member Data Documentation

Definition at line 64 of file find_contours_nodelet.cpp.

Definition at line 71 of file find_contours_nodelet.cpp.

Definition at line 75 of file find_contours_nodelet.cpp.

Definition at line 62 of file find_contours_nodelet.cpp.

Definition at line 63 of file find_contours_nodelet.cpp.

Definition at line 67 of file find_contours_nodelet.cpp.

Definition at line 78 of file find_contours_nodelet.cpp.

Definition at line 65 of file find_contours_nodelet.cpp.

Definition at line 81 of file find_contours_nodelet.cpp.

Definition at line 76 of file find_contours_nodelet.cpp.

Definition at line 74 of file find_contours_nodelet.cpp.

Definition at line 72 of file find_contours_nodelet.cpp.

Definition at line 80 of file find_contours_nodelet.cpp.


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


opencv_apps
Author(s): Kei Okada
autogenerated on Mon Apr 22 2019 02:18:26