Mark Harrower

Map nerd. Passionate about great design, teaching, and doing cool things with data.

Posts by this author
Expand your storytelling horizons with explorer tour

This much-requested immersive block can feature up to 100 points on a map

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Blend Modes are here and they’re pretty awesome

Map Viewer Beta offers advanced color and blending controls for map layers to help you quickly create new visual effects.

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How to get the most from interactive maps

How much interactivity to include in your map is a central question in modern cartography.

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What is an express map and why should you use one?

All stories happen somewhere. Here's how to easily add slick-looking maps in ArcGIS StoryMaps.

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Getting the most from animated maps

Maps that move can be a powerful star of the story, but knowing when to deploy them is key.

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To 3D or not to 3D?

Both 2D and 3D maps are great, but knowing when to use them—and why—is key.

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Smart Mapping Part 5: Tips and Tricks

Whenever possible, Smart Mapping aims to offload work from the map author to the machine. The goal is not to take control away from the a...

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Smart Mapping Part 4: Pairing Data with Maps

There are many kinds of thematic maps and each is highly flexible in its design. This variety is a blessing because we can tell a seeming...

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Maps We Love: How to make great maps that engage and inspire

You don’t have to be a cartographer to know that maps are everywhere. The demand for maps has never been greater–most people use maps...

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