Aggregate Marker data for regions in a group - "Attribute Data > Markers in Multiple Regions"

Feature availability

Create the markers

Create at least 2 markers for each region.
To learn how to create markers, visit this link:

Marker Tool —Create a marker

Add the attributes.
To learn how to create a Number Any Attribute, see; Enforce the type of values in a shared attribute.

At the top of the Layers Panel, click on the Folder Icon displaying the tooltip: "Add Group".
You will see the folder added to the Layers Panel.
Click and drag each overlay’s row into the folder.
The folder now holds a set of overlays, so the folder is considered a Group.

To learn more about grouping overlays, see; Grouping markers/elements by using folders.

At the top of the Layers Panel, click on the Toolbox's gear and wrench icon.
You will see a window with Core Operations and Plugin options appear.
Under the "Aggregate" heading > "Attribute Data" subheading, click on the link: "Markers in Multiple Regions".
Under the "Select Group" heading, click the button: "Select".
Click to select the group from the list.
(Optional) Check Add Value(s) To Region to add the value of the calculation as a parameter to the overlay.
Under the "Sum/Average/Count" heading, locate the attributes you created. Then select Sum/Avg/Count from the drop-down menu.
Click the "Aggregate Data" button. A new window will appear, with a table where you will see the Count, Sum, and/or Average for the attributes in the table.
In the top-right corner of the Toolbox window, click on the "X" button, to close the window.

Last updated August 27, 2026