How do I graph particle distribution as a bar chart on a fence

This Wiki says gINT can do this, but there are no instructions:

https://communities.bentley.com/products/geotechnical1/w/wiki/3913/chart-particle-size-distribution-as-stacked-bars

Please point me to a tutorial or discussion of how to do this.  I tried doing a bar chart and it did not work.

Thank you.