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

2D Diagram:

2.Double-click on the curve from whose points you would like to drop perpendicular lines onto the X or Y axis or onto its axis label.

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

4.Select the option Symbols on.

5.In the Type field, select Perpendicular on Y axis or Perpendicular on X axis .

3D Diagram with Space Curve:

2.Double-click on the curve from whose points you would like to drop perpendicular lines onto a plane.

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

4.Select the option that corresponds to the plane onto which you would like to drop the perpendicular line.

5.Set the appearance of the perpendicular lines in the corresponding line attribute fields.

Note:   You can add separate perpendicular lines to a curve by activating cursors and place at the desired position and then in the menu Cursor Tools/Cursors[Marker] > Place select Horizontal perpendicular or Vertical perpendicular.

See Also

Curve