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Table Of Contents
Chapter 1 Using the Grading Commands
8
When you calculate volume, you are prompted for the stratum to be used
for those computations. You must create a surface (or Triangulated
Irregular Network) for each surface in the indicated stratum before using
any volume calculations.
Defining a Stratum
You can define a stratum used to calculate volumes and elevations. For more
information, see Definition of a Stratum in this chapter.
To define a stratum
1 From the Grading menu, choose Modify Point Elevations ä Select Current
Stratum. Do one of the following:
If you} Then}
havent defined a stratum the Define Stratum dialog box is displayed.
have defined a stratum the Select Current Stratum dialog box is
displayed.
Click New to continue.