To Identify the Shortest Vertical Distance Between Two Surfaces

1. Click Analyze tabGround Data panelMinimum Distance Between Surfaces Find.
2. In the drawing, select the first surface or press Enter to select it from the list.
3. Select the second surface or press Enter to select it from the list.
4. In the displayed prompt, select Y or N to specify whether you want to draw the marker line connecting the two points that lay at the shortest distance from one another.

If the surfaces are flat and there is more than one location with the shortest distance, the output is represented by a series of points, a line, or an area displayed as a closed polyline.