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nreese committed Nov 13, 2019
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Expand Up @@ -7,11 +7,12 @@ Use {ref}/search-aggregations.html[aggregations] to plot large data sets without
Aggregations group your documents into buckets and calculate metrics for each bucket.
Your documents stay in Elasticsearch and only the metrics for each group are returned to your computer.

Use aggregated layers with document layers to show aggregated views when the map shows larger amounts of the globe and individual documents when the map shows smaller regions. See the <<maps-add-elasticsearch-layer, Getting started>> tutorial for more details on configuring the layers.
Use aggregated layers with document layers to show aggregated views when the map shows larger
amounts of the globe and individual documents when the map shows smaller regions.

In the following example, the *Grid aggregation* layer is only visible when the map is at zoom levels 0 through 5.
The *Documents* layer is only visible when the map is at zoom levels 4 through 24.
The map is at zoom level 3 and is only showing the aggregated layer. As the user zooms in, the map transitions from showing the aggregated layer to showing the individual documents layer.
In the following example, the Grid aggregation layer is only visible when the map is at zoom levels 0 through 5. The Documents layer is only visible when the map is at zoom levels 4 through 24.

See the <<maps-add-elasticsearch-layer, Getting started>> tutorial for more details on configuring the layers.

[role="screenshot"]
image::maps/images/grid_to_docs.gif[]
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