Notes on transitioning from a procedural programming mental model to an Alteryx mental model, particularly around macros in Alteryx.Read More
Anya must have pinged me 10 times over the course of the last week asking me questions about rendering 3d cars in Tableau. I figured it must have something to do with curing malaria. My reply was a bit ironic given the fact that I’ve done my own 3d car. I did it for fun though… I don’t like being told I can’t do stuff. it just doesn’t work as part of a production workbook. Well… from a performance standpoint maybe we will get there soon. But for now my suggestion was to pick a good angle and then drive a steamroller over it and just make it into polygons. I really should have seen the next question coming, but she asked how to do that. I was stumped. My best idea was, hire a graphic artist to trace it for you…
Last night she told me she solved it using QGIS… mind explosion! Of course! Why not use mapping software for this? Geography isn’t the only thing spatial. Why shouldn’t you use QGIS to map your car, your plane, the shelves of your supermarket, what have you. I always thought background images were misplaced in Tableau, I wonder if this is what they were thinking when they put it under maps. Latitude and Longitude are just a special name for x and y (or is it the other way around?). Why not hijack Tableau’s mapping capabilities and import your polygons as custom shapes?
I’ve gone to great lengths to hack multiple layers onto maps, so I was excited to hear multi-layered maps will be coming to Tableau, but this opens the door to hacking that feature into all sorts of things. Someone once told me that everything in Tableau is a scatterplot but I’m starting to think maybe everything should be a map. Oh… I am going to crash that Beta so hard!Read More
I wanted to take Alteryx out for a drive to see what it could do and decided to look into the Tableau XML, in particular using Alteryx to dynamically update Tableau parameters. This is something I've worked on before (see Creating a Dynamic Parameter with a Tableau Data Blend) and last year at the Tableau Conference Bryan Brandow & Andy Kriebel demoed a solution that they'd built for Facebook with the same basic idea as my Alteryx one. The particular use case is one of the most requested ones for dynamic parameters, namely updating the parameter list as the data changes.Read More