Select project lines > Editor > Edit Project Lines > Options
Use to customize projection direction and base position on a 3D scatterplot or 3D surface plot.
You can also change the options for a scatterplot matrix plot, histogram, bar chart, and time series plot.
Projection Direction
Toward YZ plane: Choose to extend lines from each data point toward the yz-plane.
Toward XZ plane: Choose to extend lines from each data point toward the xz-plane.
Toward XY plane: Choose to extend lines from each data point toward the xy-plane.
Base Position
Auto: Choose to use the default base, which is the data minimum or 0.
Custom: Enter a number for the base. Lines extend from the data value to the base.