raw_imu topic cannot be plotted

[vmayoral]

Hi,

As pointed out here /raw_imu topic values cannot be plotted. Any idea why?

Bests

[cberzan]

I think it's because the data is too raw to be plotted ;)

The raw_imu message uses integer fields (https://github.com/cberzan/roscopter/blob/master/msg/Mavlink_RAW_IMU.msg). Maybe rqt_plot doesn't know what to do with those. (Notice that attitude uses float fields.)

Try echoing the raw_imu channel to stdout, and paste some output here.

[drews256]

can you run theimu_transform_publish.py script. It pulls the /raw_imu data and switches the coordinate frame to something more ROS friendly and republishes the data as a sensor_msgs/Imu topic type. I don't have mine with me at the moment to see if it will plot in rqt but I will update when I get a chance to try it.