Hi,
I developed a treemap plot for QT to use in GoldenCheetah (cycling app). You can use the code from here: https://github.com/srhea/GoldenCheet.../TreeMapPlot.h
And there is a few screenshots on this old blog post:
http://markliversedge.blogspot.com/2...verything.html
Any questions let me know... the algorithm and painting are generic, but obviously some of the code is specific to the GoldenCheetah application.
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