Metrics Visualization enables you to visualize metrics data that is collected from a device like a sensor measuring the temperature of its surroundings. A graph is generated with the data plotted against the time intervals.

  1. Click DEVICES > select a device for visualizing its metrics > click Metrics.
  2. You will have to first subscribe to a ROS topic so as to visualize the data being published by the topic. To subscribe to a topic, click Subscribe. Subscribe Topic
  3. To add a new visualization, click Add Cell. Add Cell
  4. Click Add a Query. Add Query
  5. Select a metric, for instance, TestIntTopic in this example.
  6. Select field like data in this example. Select Data
  7. You may plot multiple functions such as mean, sum, median by clicking 1 Function. Select the functions you want to visualize on the graph like mean in this example, and then click Apply. Plot Function
  8. You may change the shape of the graph by selecting one of the available graph forms like line, stacked, step-plot or bar. In this example, a Bar graph is selected. To confirm the current settings, click the red colored check mark box at the top-right corner. Bar chart
  9. To edit the title of the graph, click the pencil icon at the top right corner of the cell as indicated by 1 in the below image.
  10. To modify the current graph settings, click the wheel icon at the top right corner of the cell as indicated by 2 in the below image.
  11. To close the cell, click on the cross mark at the top right corner of the cell as indicated by 3 in the below picture. Graph Window Options
  12. To change the refresh interval, click Every 5 seconds drop-down list and select your desired interval. Refresh Interval
  13. To change the time range, click Past 5 minutes drop-down list and select your desired range. Time Range