Show parameter or arc-length values on a curve or surface

To show parameter values

1. Select Create > Measure Tools > Parameter Tool. The Parameter tool icon appears in the Last Used Tool area of the Tool Box.
2. Click on a curve or surface and drag to show parameter values.

   Release the mouse button to create a parameter locator.

To show arc-length

1. Select Create > Measure Tools > Arc Length Tool. The Arc length tool icon appears in the Last Used Tool area of the Tool Box.
2. Click on a curve or surface and drag to show arc-length from the beginning of the curve or (0,0) corner of the surface.

   Release the mouse button to create an arc-length locator.