You can smooth the surface using bicubic spline interpolation.

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 you would like to smooth.

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

4.Specify the smoothing factor for Points per X and Z interval. This applies to both space directions.

Note:   The display time increases quadratically with the smoothing factor.

See Also

Curve