Jim Herries

Jim Herries is a geographer with Esri in Redlands, California. He serves as a principal product engineer on the team responsible for ArcGIS Living Atlas of the World. Jim is particularly engaged in thematic mapping and map visualizations, reflecting a drive to help GIS users bring their data to life on the map and stimulate insights. He constantly looks for ways to create clear, focused map information products that incorporate meaningful spatial analysis and evocative visualizations.

Posts by this author
Blend Modes for Thematic Maps

This blog focuses on blend modes that improve your thematic maps, especially for maps of polygon layers.

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Improve Your COVID-19 Cases Map

Does your map show the growth in cases, as well as the flattening? A tutorial shares how to make improvements that require less maintenance.

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Coronavirus COVID-19 Data Available by County from Johns Hopkins University

Johns Hopkins University is now providing data in a map layer by county for COVID-19 cases and deaths.

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Clustering now available in Map Viewer Beta

Uncover hidden patterns in your data with clustering in Map Viewer Beta.

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New color ramps in Map Viewer Beta

Color theory, perceptual differences, and cartographic influence behind the new color ramps.

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Better Breaks Define Your Map’s Purpose

The purpose of this blog is to discuss how a typical thematic map of a percentage comes into focus and how you give it purpose.

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Use Arcade Expressions to Map the Land to Improvement Ratios in Your Area

An interesting way to look at a community is to map the value of its parcels, including a measure called the land to improvement ratio.

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Create Great Thumbnails for Your Living Atlas Nominations

Want to create great thumbnails for your ArcGIS Living Atlas contributions? Learn how to correctly size your images using a PC or Mac.

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What’s New in Smart Mapping (March 2016)

With the March 2016 release of ArcGIS Online, anyone can analyze and map multiple columns of related data, in order to determine which ha...

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