I've tried this with all graph types. I want the points to be evenly spaced on the x-axis. I want the marker labels on the x-axis to be arbitrary. e.g.: plotting gain error (y-axis: generally {-1%..1%}) versus gain setting (x-axis: generally {48, 24, 8, 4, 2, 1, 0.5, 0.025...}).
It seems this is not what the graphs were meant to do. Perhaps there is a workaround.