Category Archives: How To

4 methods to import line geography into Tableau

If you’ve played with Tableau’s new spatial data connector, you might have come across an error like this: or even this: The first error message will pop up if you try to connect to a spatial file containing lines and the second when your spatial file contains more than one feature type. Geographic features can be […]

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Chicago Crime Scene

I lived in Chicago in the early 90s. I loved the city, the hustle and bustle, grandiose architecture, busy urban streets, and its bold location on the shores of Lake Michigan. I also felt quite safe there, living in the Far North Side neighborhood of Jefferson Park. I knew that there were parts of the […]

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Random Walk from Processing to Tableau

For another submission to Viz as Art contest at Tableau, I wanted to create something involving randomness and random walk specifically. But I found that the classic random walk algorithm creates results that are, well…too random, as opposed to the organic, botanical shapes I was looking for. Luckily, someone has already thought of developing a […]

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