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Building data visualizations

By visualizing your data, you translate complex, high-volume, or numerical data into a visual representation that is easier to process. OpenSearch Dashboards gives you data visualization tools to improve and automate the visual communication process. By using visual elements like charts, graphs, or maps to represent data, you can advance business intelligence and support data-driven decision-making and strategic planning.

Understanding the visualization types in OpenSearch Dashboards

Dashboards has several visualization types to support your data analysis needs. The following sections provide an overview of the visualization types in Dashboards and their common use cases.

Area charts

Area charts depict changes over time, and they are commonly used to show trends. Area charts more efficiently identify patterns in log data, such as sales data for a time range and trends over that time. See Using area charts to learn more about how to create and use them in Dashboards.

Example area chart in OpenSearch Dashboards

Bar charts

Bar charts (vertical or horizontal) compare categorical data and depict changes of a variable over a period of time.

Vertical bar chart Horizontal bar chart
Example vertical bar chart in OpenSearch Dashboards Example horizontal bar chart in OpenSearch Dashboards

Controls

Controls is a panel, instead of a visualization type, added to a dashboard to filter data. Controls gives users the capability to add interactive inputs to a dashboard. You can create two types of controls in Dashboards: Options list and Range slider. Options list is a dropdown options list that allows filtering of data by a terms aggregation, such as machine.os.keyword. Range slider allows filtering within specified value ranges, such as hour_of_day.

Example visualization using controls to filter data in OpenSearch Dashboards

Data tables

Data tables, or tables, show your raw data in tabular form.

Example data table in OpenSearch Dashboards

Gantt charts

Gantt charts show the start, end, and duration of unique events in a sequence. Gantt charts are useful in trace analytics, telemetry, and anomaly detection use cases where you want to understand interactions and dependencies between various events in a schedule. Gantt chart is currently a plugin, instead of built-in, visualization type in Dashboards.

Example Gantt chart in OpenSearch Dashboards

Gauge charts

Gauge charts look similar to an analog speedometer that reads left to right from zero. They display how much there is of the thing you are measuring, and this measurement can exist alone or in relation to another measurement, such as tracking performance against benchmarks or goals.

Example gauge chart in OpenSearch Dashboards

Heat maps

A heat map is a view of a histogram (a graphical representation of the distribution of numerical data) over time. Instead of using bar height as a representation of frequency, as with a histogram, heat maps display data in a tabular form using colors to differentiate where values fall in a range.

Example heat map in OpenSearch Dashboards

Line charts

Line charts compare changes in measured values over a period of time, such as gross sales by month or gross sales and net sales by month.

Example line graph in OpenSearch Dashboards

Coordinate maps

Coordinate maps show location-based data on a map. Use coordinate maps to visualize GPS data (latitude and longitude coordinates) on a map. For information about OpenSearch-supported coordinate field types, see Geographic field types.

Example coordinate map in OpenSearch Dashboards

Markdown

Markdown is a the markup language used in Dashboards to provide context to your data visualizations. Using Markdown, you can display information and instructions along with the visualization.

Example Markdown in OpenSearch Dashboards

Metric values

Metric values, or number charts, compare values in different measures. For example, you can create a metrics visualization to compare two values, such as actual sales compared to sales goals.

Example metric chart in OpenSearch Dashboards

Pie charts

Pie charts compare values for items in a dimension, such as a percentage of a total amount.

Example pie chart in OpenSearch Dashboards

TSVB

The time-series visual builder (TSVB) is a data visualization tool in Dashboards used to create detailed time-series visualizations. For example, you can use TSVB to build visualizations that show data over time, such as flights by status over time or flight delays by delay type over time. Currently, TSVB can be used to create the following Dashboards visualization types: Area, Line, Metric, Gauge, Markdown, and Data Table.

Example TSVB in OpenSearch Dashboards

Tag cloud

Tag (or word) clouds are a way to display how often a word is used in relation to other words in a dataset. The best use for this type of visual is to show word or phrase frequency.

Example Tag cloud in OpenSearch Dashboards

Timeline

Timeline is a data visualization tool in Dashboards that you can use to create time-series visualizations. Currently, Timeline can be used to create the following Dashboards visualization types: Area and Line.

Example Timeline in OpenSearch Dashboards

Vega

Vega and Vega-Lite are open-source, declarative language visualization grammars for creating, sharing, and saving interactive data visualizations. Vega visualizations give you the flexibility to visualize multidimensional data using a layered approach in order to build and manipulate visualizations in a structured manner. Vega can be used to create customized visualizations using any Dashboards visualization type.

Example Vega visualization with JSON specification in OpenSearch Dashboards


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