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Chart legend

Charts come with a configurable legend that shows additional metadata of the visible runs. To view the legend, hover over a chart in the Neptune app.

A chart with a legend in the Neptune app. The following options are highlighted: search, expand or collapse the legend, add more attributes as columns.

Edit the chart legend​

You can edit the legend in the following ways:

  • To freeze the legend in place, left click while hovering over the chart.

  • To include additional attributes, expand the legend and click Add.

    Pinned columns are automatically displayed in a chart legend.

  • To locate values among the added columns, use the search .

Note that the legend configuration applies to all charts within a project.

Multi-metric legend​

In dashboards and reports, you can configure a chart widget to display multiple metrics at once. In such charts, each metric is represented by a differently styled line that you can verify in the chart legend. For better visibility, the legend also separates the metrics and groups the runs.

A chart legend with multiple metrics.

Related

Analyzing data points​

When you hover over a chart, the X-axis marker tries to match a data point closest to your cursor's position:

  • If a value was logged for the X-axis point you hover over, you get an exact match.
  • Otherwise, a value is interpolated based on the values of the surrounding points that have been logged. Such approximate values are represented with the symbol in the chart legend.