Technical information

Working with Surfaces

You can use points, DEM files (digital elevation models),

contours, breaklines, and boundaries to generate a

model of the earth’s surface. From this model, you can

create contours and sections, and by comparing two

surfaces, you can calculate volumes.

In this chapter

■ Working with the

Terrain Model Explorer

■ Creating surface data

■ Building surfaces

■ Calculating finished ground data

■ Editing surfaces

■ Working with surface output

and visualization tools

■ Creating contours

■ Calculating volumes