How does first robot gets automatically localized?

asked 2016-05-21 19:14:58 -0600

robo_explorer gravatar image

I was reading the tutorial on nav_2d at . But, I am confused as in the explained scenario, the first robot gets automatically localized and only for the second robot a particle filter is used for localization.

Please find the screenshot of the paragraph below. Can anyone please help me explain, how is the first robot getting localized here?

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I'm not very familiar with nav2d, but from reading the tutorial it seems like the first robot is creating the map, and therefore it is localized by definition.

ahendrix gravatar image ahendrix  ( 2016-05-22 18:19:52 -0600 )edit