Assignment 7: Display/Publish Fuel Remaining

Now create a subscriber node which subscribes to the turtle1/pose topic and uses the information provided over this topic to publish remaining fuel. Test your node thoroughly.

Example

[ INFO] [1441729129.808192832]: Fuel Remaining: 878.002
[ INFO] [1441729129.824126911]: Fuel Remaining: 877.502
[ INFO] [1441729129.840222084]: Fuel Remaining: 877.002
[ INFO] [1441729129.856043631]: Fuel Remaining: 876.502
[ INFO] [1441729129.872168505]: Fuel Remaining: 876.002
[ INFO] [1441729129.888102265]: Fuel Remaining: 875.502
[ INFO] [1441729129.904134376]: Fuel Remaining: 875.002
[ INFO] [1441729129.920143881]: Fuel Remaining: 874.502

Hint: A good example node within the relative_nav library is the joy_commander node located within the joy_velocity package.