Last Update: 3/16/2020
When use Plot > Basic 2D: Stacked Column menu, or Stacked Column button to create Stacked Column graph, even X value is numeric, Origin will automatically switch to plot against row number, and then set Axis Tick Label to Text from dataset. Then you will find the space of the columns are even in the graph.
If you want to plot Stacked Column graph with actual X value position, you can:
Keywords:bar, column, Stacked Column, Stacked Bar, actual X, X Axis, actual X value position