# Status history

* [Supported data](#statushistory-supporteddata)
* [Display options](#statushistory-displayoptions)
  * [Show values](#statushistory-showvalues)
  * [Column width](#statushistory-columnwidth)
  * [Line width](#statushistory-linewidth)
  * [Fill opacity](#statushistory-fillopacity)
* [Value mappings](#statushistory-valuemappings)
* [Time series data with thresholds](#statushistory-timeseriesdatawiththresholds)
* [Legend options](#statushistory-legendoptions)
  * [Legend mode](#statushistory-legendmode)
  * [Legend placement](#statushistory-legendplacement)
  * [Legend values](#statushistory-legendvalues)

The Status history visualization shows periodic states over time. Each field or series is rendered as a horizontal row. Boxes are rendered and centered around each value.

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### Supported data <a href="#statushistory-supporteddata" id="statushistory-supporteddata"></a>

Status history visualization works with string, boolean and numerical fields or time series. A time field is required. You can use value mappings to color strings or assign text values to numerical ranges.

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### Display options <a href="#statushistory-displayoptions" id="statushistory-displayoptions"></a>

Use these options to refine the visualization.

#### Show values <a href="#statushistory-showvalues" id="statushistory-showvalues"></a>

Controls whether values are rendered inside the value boxes. Auto will render values if there is sufficient space.

#### Column width <a href="#statushistory-columnwidth" id="statushistory-columnwidth"></a>

Controls the width of boxes. 1 = maximum space and 0 = minimum space.

#### Line width <a href="#statushistory-linewidth" id="statushistory-linewidth"></a>

Controls line width of state regions.

#### Fill opacity <a href="#statushistory-fillopacity" id="statushistory-fillopacity"></a>

Controls the opacity of state regions.

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### Value mappings <a href="#statushistory-valuemappings" id="statushistory-valuemappings"></a>

To assign colors to boolean or string values, use the Value mappings.

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### Time series data with thresholds <a href="#statushistory-timeseriesdatawiththresholds" id="statushistory-timeseriesdatawiththresholds"></a>

The panel can be used with time series data as well. In this case, the thresholds are used to color the boxes. You can also use gradient color schemes to color values.

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### Legend options <a href="#statushistory-legendoptions" id="statushistory-legendoptions"></a>

When the legend option is enabled it can show either the value mappings or the threshold brackets. To show the value mappings in the legend, it’s important that the `Color scheme` as referenced in Color scheme is set to `Single color` or `Classic palette`. To see the threshold brackets in the legend set the `Color scheme` to `From thresholds`.

#### Legend mode <a href="#statushistory-legendmode" id="statushistory-legendmode"></a>

Use these settings to define how the legend appears in your visualization.

* **List -** Displays the legend as a list. This is a default display mode of the legend.
* **Table -** Displays the legend as a table.
* **Hidden -** Hides the legend.

#### Legend placement <a href="#statushistory-legendplacement" id="statushistory-legendplacement"></a>

Choose where to display the legend.

* **Bottom -** Below the graph.
* **Right -** To the right of the graph.

#### Legend values <a href="#statushistory-legendvalues" id="statushistory-legendvalues"></a>

Choose which of the standard calculations to show in the legend. You can have more than one.

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