Custom Region Maps in Kibana 6.0
Blog post from Elastic
Mark Walkom's blog post provides a detailed guide on creating custom region maps, also known as choropleth maps, in Kibana 6.0, despite noting that some features are now deprecated. Users can define custom geo-boundaries in GeoJSON format and overlay them on the Elastic Map Service for localized data insights. The process involves configuring Kibana to read and map these geoshapes using settings in the kibana.yml file and serving the GeoJSON file from a web server. A practical example using Australian states demonstrates the steps, including setting up aggregations and managing CORS configurations to allow cross-origin data sharing. While the post acknowledges the challenges of ensuring field values match exactly between the GeoJSON file and Elasticsearch documents, it also highlights future improvements for handling failed joins. Additionally, the article discusses the importance of configuring CORS to enable data access from different domains and suggests extending the map functionality for various applications, such as visualizing voting levels or school grades. The author encourages readers to explore the flexibility of the Elastic Stack for creating insightful custom maps and invites them to engage with the community for further support.
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