ArcGIS Online

Smooshing Graduated Size AND Color into an ArcGIS Online Symbol

My twitter friend (and presumably fellow-Midwesterner) Andy Bonhoffer asked if it was possible to apply graduated scale and color to the same layer in ArcGIS Online. Seemed like a good opportunity to just make a quick how-to about that sort of thing. So if you are curious, behold…

There are a lot of different ways you can make bivariate or multivariate maps in ArcGIS Online. For points, for polygons… Like a lot. Some are official, and some you can hack by just piling up multiple copies of a layer and going to town on them.

Nerd tip: when you use more than one visual dimension for the same attribute, it’s called “redundant cues.” Redundant cues rule. Here is a thing I wrote for teachers/students about multivariate mapping.

And here is a link to an empty Albers Equal Area web map, equal area being a good choice for thematic mapping.

If you are interested in the CDC’s Social Vulnerability Index layer I used in the demonstration, here’s a thing where you can explore it.

Happy Multivariate Mapping! John

About the author

I have far too much fun looking for ways to understand and present data visually, hopefully driving product strategy and engaging users. I work in the Content team at Esri, pushing and pulling data in all sorts of absurd ways -and then talking about it. I also get to spend time with the Story Maps team, working on fun and useful user experiences. When I'm not doing those things, I'm chasing around toddlers and wrangling chickens, and generally getting into other ad-hoc adventures. Life is good. Loads more how-to posts: esri.com/arcgis-blog/author/j_nelson/ My YouTube channel: youtube.com/c/JohnNelsonMaps Loads of Styles for Pro: esriurl.com/nelsonstyles Instagram: instagram.com/johnmnelson/

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