Gazebo Publisher Example

This is very simple example of how to publish a gazebo topic.

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Build Instructions
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 * From this directory:

  $ mkdir build
  $ cd build
  $ cmake ..
  $ make


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Execute Instructions
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 * Launch gazebo as usual then from the build directory above:

  $ ./publisher

 * In gazebo, from the menu bar select 'Window' > 'Topic Visualization'
 * Click the topic you are publishing [/vel_cmd]
 * Click ok