Create a gauge panel where intermediate results used in transformations or expressions are not shown

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1

How to create a gauge panel that displays gauges for the last value of fields from measurements queried with influxql and gauges for results of adding last values of other fields, but without also displaying those other fields as well

2

To create a gauge panel in Grafana that displays only the final results of your calculations without showing the intermediate fields, you can follow these steps:

  1. Query Your Data:

  2. Use InfluxQL to query the last values of the fields you are interested in. You can use the LAST() function in your query to get the most recent value for each field.

  3. Add a Transformation:

  4. After querying your data, add a transformation to perform the necessary calculations. You can use the "Add field from calculation" transformation to create new fields that are the result of adding the last values of other fields.

  5. In the transformation settings, you can specify the calculation type (e.g., sum, average) and select the fields you want to include in the calculation.

  6. Filter Out Intermediate Fields:

  7. Use the "Filter by name" transformation to exclude the intermediate fields from being displayed. You can manually select which fields to include or exclude, or use a regular expression to filter them out.

  8. Ensure that only the final calculated fields and the fields you want to display are included in the panel.

  9. Configure the Gauge Panel:

  10. Add a gauge panel to your dashboard and configure it to display the fields you have kept after filtering.

  11. Set the panel options, such as title and description, and adjust the gauge options like orientation, size, and threshold markers as needed.

  12. Adjust Value Options:

  13. In the gauge panel settings, ensure that the "Show" option is set to "Calculate" if you want to display a single calculated value, or "All values" if you want to show each value separately.

  14. If using "Calculate," select the appropriate reducer function to summarize the data.

  15. Finalize and Save:

  16. Review your panel to ensure it displays only the desired gauges without the intermediate fields.
  17. Save your dashboard to preserve the configuration.

By following these steps, you can create a gauge panel that focuses on the final results of your calculations, hiding any intermediate data that was used in the process. If you have any further questions or need additional assistance, feel free to ask!

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3

adding the filter by name transformation did the trick

4

I'm glad to hear that using the "Filter by name" transformation worked for you! This transformation is indeed a powerful tool for tailoring your data display by excluding unnecessary fields, allowing you to focus on the final results of your calculations.

If you have any more questions or need further assistance with Grafana, feel free to ask. Whether it's about transformations, visualizations, or any other feature, I'm here to help!

grot is still learning and improving, please let me know how I did by reacting below.

👍🏽 or 👎🏽