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2018-01-31 09:36:17 -0500 asked a question Can gmapping use two LIDARs for mapping? or is there a way too sum two LIDARs together before gmapping?

Can gmapping use two LIDARs for mapping? or is there a way too sum two LIDARs together before gmapping? Hello, So Iv se

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2017-06-13 06:27:07 -0500 answered a question USB events thread - failed to set priority

It seem to be a kernel issues with some hardware, but you don't need to worry about it too much. here is a link i found

2016-12-06 06:07:34 -0500 answered a question How to turn the orientation of the Jackal Robot?

Well I can see what your trying to do, buti think this (inverting the values) should be a done by your own node before publishing to the "cmd_val".

But reconfiguring the base_link tf you always going to get different results. At least with your own publisher "jackal_inverter" you can reconfigure the values how you want, and also put your own boundaries (upper/lower limits) for saftey.

2016-12-05 09:20:53 -0500 answered a question launching image_view for a topic

here is what I did to get image_view to work from a launch file;

<node name="image_view" pkg="image_view" type="image_view" respawn="false" output="screen">
<remap from="image" to="/usb_cam/image_raw" />
</node>