Grafana_Custom_Dashboard.md

The version of those guide and photo is 8.5.4

• Create a new dashboard
  • Create a new panel
    • Select data by query
    • Change visualization
    • Field name

Create a new dashboard

Click Add(icon) > Create > Dashboard

Create a new panel

Click "Add a new panel"
You can set up a new panel in here.
Right part is the setting of this panel.

Select data by query

Input query in the field

If the query is vaild, the result graph should be displayed.

Change visualization

Change the visualization though clicking the option on the top right

Field name

In default, fields will be shown completely:

We can modify the field name in Standard options > Display name.

And we can extract the name by using variables

Example: Temp {Loc="PBI", Sensor="3"}

Expression syntax	Renders to
${__field.displayName}	Temp {Loc="PBI", Sensor="3"}
${__field.name}	Temp
${__field.labels.Loc}	PBI

More details in https://grafana.com/docs/grafana/next/panels/standard-field-definitions/#display-name We can use variables to display the field more clearly.