Author Archives: Alan Eldridge

About Alan Eldridge

Hi. I'm Alan. By day I manage the sales consulting team for Tableau Software in Australia/New Zealand. By night, I'm a caped crusader. Or sleeping. Most often it's sleeping.

Beyond shape files…

[This is one of those moments when you realise you haven’t been seeing the big picture. Digging around the edges of a new concept you suddenly see the foundations are much deeper than you thought. So – hats off to … Continue reading

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How to visualize polar projection data in Tableau

[This ice cap data is the gift that just keeps giving. Today’s guest post is courtesy of Sarah Battersby – Chief Crazy Map Lady in Residence – where she explains how she weaves her dark magic. And then she gloats. … Continue reading

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I am not worthy…

This is why it’s fun working with people who are smarter than me. Way, way smarter… Less than 24 hours after I post about my issues with polar data, Crazy Map Lady Extraordinaire Sarah Battersby tears it up and produces this: … Continue reading

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The Importance of Projections

A few days ago I found a wonderful story about polar ice caps melting that led me to some wonderful data. I thought I could potentially make a viz that showed the changing extent of the sea ice at the … Continue reading

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Using GEOMETRY Fields in Calculations

In Tableau 10.2, we have a new data type that is read from spatial files – the GEOMETRY field. Right now, it would seem there is not much we can do directly with these fields other than display them. The … Continue reading

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Points and Polygons in Tableau 10.2

I have previously written about how we continue to add new features to Tableau and this means that we can develop better solutions to previously difficult problems. I’d like to present another example of this – where we want to … Continue reading

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Filled maps and low bandwidth connections

I regularly work from my home office which is where my demo server is also located. Having a gigabit Ethernet connection to the server means network bandwidth/latency isn’t something I pay any attention to most of the time. However, the other … Continue reading

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