A firefly map is a map that simulates the bright light distribution of fireflies with a point light source, usually used to display information such as population density, city size, traffic flow, etc., here is an introduction to how to use ArcGIS Pro to make a firefly-style map, I hope it will help you.
Adjust the basemap
Within the symbology, change the basemap color to a darker style, as shown in the following image.
Modify the basemap style
Modify the point style
Within the symbology, the main symbology selects the graduated symbol, and the field selects the population field, as shown in the following image.
Set the fields
Click the icon next to the template and change the default icon to a firefly style icon, as shown in the image below.
Modify the template
If you want to add a satellite image, you can add it in the map menu, as shown in the image below.
Add satellite imagery
Adjust the transparency of the basemap within the symbology and the final result will be shown in the image below.
The end result
Write at the end
This article shows you how to use ArcGIS Pro to create a firefly-style map, including features such as adjusting the basemap and modifying the style of points.
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