To create a floating bar chart (gantt chart) in Grapher:
Click the Home | New Graph | Bar | Horizontal Floating Bar Chart or Home | New Graph | Bar | Vertical Floating Bar Chart command.
Select a data file in the Open Worksheet dialog. You can select a new data file or you can select an open data file in the Open worksheets section.
Click the Open button. A floating bar chart is created using the default properties.
Updated January 31, 2018