How do I use rqt_plot to subscribe to std_msgs

rqt_plot
std_msgs

asked 2016-02-14 08:27:03 -0500

user23fj239
748 ●26 ●37 ●47

updated 2016-02-14 08:35:06 -0500

I do have an Array from #include "std_msgs/Float64MultiArray.h" and it is constituted as followed:

layout: 
  dim: []
  data_offset: 0
data: [0.0073274714, -0.019451106, -0.009992006]
---

Now, if I use rqt_plot it does not show any data when selecting the topic. I cannot figure out why? If I hover over the + button in the GUI it just says no plottable fields.

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Comments

Are you sure that empty dim field is correct? I wouldn't be surprised if rqt_plot cannot work with *Array msgs that have no valid dimensions associated with them.

gvdhoorn ( 2016-02-14 08:38:10 -0500 )edit

how do I fill in the dim field? What i do so far is

      arr.data.clear();
    arr.data.push_back( x);
    arr.data.push_back( y);

user23fj239 ( 2016-02-14 08:42:20 -0500 )edit

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How do I use rqt_plot to subscribe to std_msgs

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