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The difference between Spin() and SpinOnce().

asked 2014-08-01 12:51:34 -0600

Winston gravatar image

updated 2014-08-05 10:43:58 -0600

Can someone tell me the difference between Spin() and SpinOnce()? And what exactly they are doing, is it like a while loop to process some ROS stuff?

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Thank you Stefan and tfoote.

Winston gravatar imageWinston ( 2014-08-01 16:52:42 -0600 )edit
1

Next time try to ask your whole question in the title of the question, it will be shorter

Moda gravatar imageModa ( 2014-08-04 09:10:18 -0600 )edit
1

Ok. Thanks.

Winston gravatar imageWinston ( 2014-08-04 12:17:08 -0600 )edit

It was a joke!!

Moda gravatar imageModa ( 2014-08-05 02:12:34 -0600 )edit

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answered 2014-08-01 14:54:26 -0600

Both calls trigger the processing of callbacks. Chapter 3 of the new A gentle Introduction to ROS book does a good job at explaining this.

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answered 2014-08-01 15:37:30 -0600

tfoote gravatar image

This is covered in the ROS Overview in the Callbacks and Spinning section.

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Asked: 2014-08-01 12:51:34 -0600

Seen: 9,356 times

Last updated: Aug 05 '14