Colormap-Line-Series
Select at least one Y column (or a range from at least one Y column). Ideally, select at least two Y columns (or a range of at least two Y columns).
If there is an associated X column, X column supplies X values; otherwise, sampling interval of the Y column or row number is used.
Select required data.
From the menu, choose Plot >Basic 2D: Colormapped Line Series.
LineCmap.otpu (installed to the Origin program folder).
This graph is a 2D line plot with multiple curves, and all of the curves are colored by a specified colormap. By default, Plot Index has been used to colormap the curve colors, you can go to the Line tab of Plot Details dialog and use the Color Control to select other column label row to colormap the curves.