ROS Resources: Documentation | Support | Discussion Forum | Service Status | Q&A answers.ros.org
ROS Index BETA
  1. Home
  2. Repos
  3. image_overlay_scale_and_compass
 

image_overlay_scale_and_compass repository

Repository Summary

Checkout URI https://github.com/danielsnider/image_overlay_scale_and_compass.git
VCS Type git
VCS Version master
Last Updated 2017-08-05
Dev Status MAINTAINED
Released RELEASED

Packages

Name Version
image_overlay_scale_and_compass 0.2.1

README

image_overlay_scale_and_compass Build Status

Add an indication of scale and compass to images.

image_overlay_scale_and_compass

Full documentation on wiki: http://wiki.ros.org/image_overlay_scale_and_compass

Quick Start

  1. Install:
$ sudo apt-get install ros-kinetic-image-overlay-compass-and-scale
  1. Launch node:
$ roslaunch image_overlay_scale_and_compass overlay.launch
  1. Publish heading and scale values
$ rostopic pub /heading std_msgs/Float32 45
$ rostopic pub /scale std_msgs/Float32 133
  1. View resulting image
$ rqt_image_view /science/overlay/compressed

Command Line Interface (CLI)

Invoke once using Command Line Interface (CLI) and save to disk instead of pulishing to ROS.

$ roscd image_overlay_scale_and_compass
$ ./src/image_overlay_scale_and_compass/image_overlay.py --input-image ~/mars.png --heading 45 --scale-text 133 --output-file output.png

CLI Options

Usage: image_overlay.py [OPTIONS]

Options:
--input-image TEXT  Path to input image file  [required]
--heading FLOAT     Current heading relative to north in degrees  [required]
--scale-text FLOAT  The value to be displayed on the right of the scale bar
                    in centemeters  [required]
--output-file TEXT  Output filename to save result to
                    [default='output.png']
--help              Show this message and exit.

Full documentation on wiki: http://wiki.ros.org/image_overlay_scale_and_compass