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UID:pretalx-foss4g-2022-8N7RHW@talks.staging.osgeo.org
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DESCRIPTION:[Elasticsearch] is a well-known and mature NoSQL database provi
 ding search and analytics services for big datasets. The “elasticity” 
 of its name comes from the distributed design and easy scalability capabil
 ities that have made it an industry leader for more than ten years. In thi
 s talk we will present two exciting new features that have been added rece
 ntly to the product related with the geospatial topic: vector tiles suppor
 t and line and hexagon aggregations.\n\nVector tiles have become an indust
 ry standard to encode large amounts of data to be displayed in the browser
  by web mapping libraries like MapLibre or OpenLayers. Elasticsearch analy
 tics & geo team has added a [new API endpoint] that renders search and agg
 regation queries as zipped [protobuffers]\, allowing developers to retriev
 e right from the datastore assets that are ready to be sent to the user's 
 browser without much further processing. This will speed up the rendering 
 of large datasets by avoiding transferring JSON assets from Elasticsearch 
 to application middleware.\n\nElasticsearch geospatial aggregation capabil
 ities have been extended recently by two new methods\, one is to allow com
 bining related points into a new [line geometry] (think of a vehicle track
 ) and the other is to aggregate geometries into an [hexagon grid]. The new
  geo-line aggregation will be very useful for asset tracking use cases whe
 re the second enables Elasticsearch to perform powerful analytics combined
  with the extensive support for metric aggregations.\n\nIn this talk we wi
 ll present this project\, going through the different use cases with some 
 examples and demonstrations using both Kibana [Elastic Maps] and a simple 
 ad-hoc web project that leverages this new feature.\n\n[Elasticsearch]: ht
 tps://www.elastic.co/elasticsearch/\n[protobuffers]: https://developers.go
 ogle.com/protocol-buffers\n[line geometry]: https://www.elastic.co/guide/e
 n/elasticsearch/reference/current/search-aggregations-metrics-geo-line.htm
 l\n[hexagon grid]: https://www.elastic.co/guide/en/elasticsearch/reference
 /8.1/search-aggregations-bucket-geohexgrid-aggregation.html\n[new API endp
 oint]: https://www.elastic.co/guide/en/elasticsearch/reference/current/sea
 rch-vector-tile-api.html\n[Elastic Maps]: https://www.elastic.co/maps
DTSTAMP:20260403T222553Z
LOCATION:Room 4
SUMMARY:What’s new in geospatial Elasticsearch - Jorge Sanz\, Nick Peihl\
 , Craig Taverner
URL:https://talks.staging.osgeo.org/foss4g-2022/talk/8N7RHW/
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