Hi list,
I have written a wrapper around the tklib/plotchart library to work with LTk. This includes over 20 different chart types (xy-plots, gantt charts, 3d-bar charts etc...). Many examples ported over from TCL appear to be working well.
For information and to download, see: https://peterlane.netlify.app/ltk-plotchart/
Let me know if you come across any problems. So far I've only tested it on the included examples.
-- Peter