Mark Harrower

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

Posts by this author
Seven lessons from the 2020 ArcGIS StoryMaps competition winners

These stories show us how to craft compelling multimedia narratives

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A guide to working with images in ArcGIS StoryMaps

These simple rules and tips will ensure the images in your stories really shine.

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Size maps get turbocharged in Map Viewer

Above-and-below styling, binary color schemes, rapid presets, and other enhancements have come to proportional symbol maps

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How to choose your map’s medium

Knowing how your map will be shared before you start mapping helps with important design decisions.

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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?

Most story maps happen somewhere, here's how to add simple locator and distribution maps to your narratives

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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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