1.If the diagram is in a document or a worksheet, double-click on the diagram to open it.

2.Double-click on the surface for which you would like to add a contour line.

3.In the dialog box that appears, click on the Contour Lines tab.

4.Select the tab that corresponds to the direction for which you would like to add contour lines.

5.Check the option Contour lines on.

6.If you want to label the contour lines, select the option Labeling on.

See Also

Curve