
Go beyond built-in Power BI visuals by building custom visuals with D3 using typescript and d3.js. Power BI comes with a rather limited set of standard visuals: does your organisation need more? You can make your own .pbiviz files, but creating custom visuals can be a daunting process, even for accomplished programmers. We start with the basics of setting up your environment and look at the folder structure for the 5,000 files you install for each visual. Then we dive into the creation of custom visuals using single, categorical, and grouped data aggregation.