Toan Hoang

Shaped Bar Charts (3D) in Tableau

Toan Hoang

We previously had an article about creating Shaped Bar Charts in Tableau; in that previous tutorial, we used data densification to create a different look and feel for our bar charts. In this tutorial, we are going to explore using 3D shapes to create 3D Bar Charts in Tableau.

Note: 3D data visualisation is not considered best practice for data visualisations, however, I have seen these used to create interesting and engaging infographics or used for infotainment.

Data

We will start by loading the following data into Tableau.

Country,Value
United Kingdom,100
United States,80
France,60
Germany,50
Italy,30
Australia,70
India,50

Once your data is loaded into Tableau, right-click on the data source and click on Edit Data Source… with the Data Source Editor open, paste the following:

Path
0
100

You should get an error as there is no joining column, however, click on Add new join clause, go to Create Join Calculation, type 1 and click OK. Do this for the right-hand side as well. Ensure that you have Inner join selected and you should see the following:

Note: we need additional records as we are going to be drawing shapes and using densification to get more points on our canvas. For more information, check out our article on Data Densification.

Calculated Fields

With our data set loaded into Tableau, we are going to create the following Bin and Calculated Fields:

Path (bin)

Index

100-INDEX()

TC_Value

WINDOW_MAX(MAX([Value]))

Rows

IF [Index] <= [TC_Value] THEN
    [Index]
ELSE
    NULL
END

With this done, let us start creating our data visualisation.

Worksheet

We will now build our first worksheet:

If all goes well, you should see the following:

We have now created our Shaped Bar Chart, but now we will need to download, unzip, and add copy the following shapes to our Shapes directory. If you have not done this before, check out our article on Custom Shapes.

CubesDownload

Note: These are cube objects that I have created and colored using Material Design colors.

We these shapes downloaded and ready, we will now adjust the cosmetics on our data visualisation:

If all goes well, you should now have the following final data visualisation:

Exercise: Explore with our own objects, and let me know what you come up with.

and boom, we are done! I hope you enjoyed this tutorial, and as always, you can find this data visualisation on Tableau Public at https://public.tableau.com/profile/toan.hoang#!/vizhome/ShapedBarCharts3D/ShapedBarChart3D

Summary

I hope you all enjoyed this article as much as I enjoyed writing it and as always do share the love. Do let me know if you experienced any issues recreating this Visualisation, and as always, please leave a comment below or reach out to me on Twitter @Tableau_Magic. Do also remember to tag me in your work if you use this tutorial.

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