why we are using heatmapwhat are the usagesany apps and add-ons to this
any example queries
There are two heatmap examples in the Dashboard Examples App: https://splunkbase.splunk.com/app/1603/
Dashboard Examples
Heat Map Viz app https://splunkbase.splunk.com/app/4460/
see @rob_jordan comment https://answers.splunk.com/answers/529004/is-there-a-way-to-display-more-than-20-charts-at-a.html
Not Splunk, but useful usage https://www.r-graph-gallery.com/heatmap
For example: try apps.
