Documentation for automated readers
A curated documentation index is available at: https://grafana.com/llms.txt
A complete documentation index is available at: https://grafana.com/llms-full.txt
These indexes can help with page discovery before fetching individual documents.
This page is also available in Markdown, which may be easier for automated readers and AI tools to parse than HTML. The Markdown version is available at https://grafana.com/docs/grafana/v9.1/visualizations/geomap/heatmap.md, or by sending Accept: text/markdown to https://grafana.com/docs/grafana/v9.1/visualizations/geomap/heatmap/. For broader documentation discovery, the curated index is available at https://grafana.com/llms.txt and the complete index is available at https://grafana.com/llms-full.txt.
Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.
Heatmap layer
The heatmap layer clusters various data points to visualize locations with different densities. To add a heatmap layer:
Click on the drop-down menu under Data Layer and choose Heatmap.
Similar to Markers, you are prompted with various options to determine which data points to visualize and how you want to visualize them.


- Weight values configure the intensity of the heatmap clusters.
Fixed valuekeeps a constant weight value throughout all data points. This value should be in the range of 0~1. Similar to Markers, there is an alternate option in the drop-down to automatically scale the weight values depending on data values. - Radius configures the size of the heatmap clusters.
- Blur configures the amount of blur on each cluster.
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