3.1.2.2- UNITS

By default, lenght units are meters and angle units are (360) degrees. If you use (400) grades instruments and say, yards as lenght units, your .th file should have lines for it. Here is an example:

survey FOO -title “FOO Cave”

 centerline
 units lenght yard
 units compass clino grad
 data normal from to length compass clino

 (survey data here)

 endcenterline

endsurvey