449c608ef1
* new refactored panel docs * fixed links * removed xtra sharing link, added links to panel display option tasks * fixed typo * add aliases * incorporate PM feedback * intermediate commit to resolve merge conflict * final changes to resolve merge conflicts
32 lines
916 B
Markdown
32 lines
916 B
Markdown
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title = "Map a special value"
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weight = 50
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aliases = ["/docs/sources/panels/format-data/map-a-special-value/"]
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# Map a special value
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Map a special value when you want to format uncommon, boolean, or empty values.
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## Before you begin
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- [Add a panel to a dashboard]({{< relref "../working-with-panels/add-panel.md" >}}).
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**To map a special value**:
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1. Edit the panel for which you want to map a special value.
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1. In panel display options, locate the **Value mappings** section and click **Add value mappings**.
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1. Click **Add a new mapping** and then select **Special**.
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1. Select the special value for Grafana to match. Options include:
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- Null
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- NaN (Not a Number)
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- Null + NaN
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- True
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- False
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- Empty
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1. (Optional) Enter display text.
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1. (Optional) Set the color.
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1. Click **Update** to save the value mapping.
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