Enter the starting contour elevation, or use the
"..." button to select a contour, it's current elevation
will be displayed as the default. Then specify the contour interval, and whether up or down a slope.
once again, you can use the "..." button to select from
the drawing. If you have another portion of the map which has
already has been set to elevation, you may select the contour
interval and slope direction by picking two adjacent contours (as
[proceed] button to continue picking each contour (in order) going
up/down a slope. Each contour will highlight allowing the user
to maintain position, and see any disconnected segments from the
When done, (or change parameters, such as slope
[enter] to return to dialog box. you can also choose from color
highlighting, AutoCAD's highlight, or no highlighting.