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STAR*NET V6 - Circe

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Chapter 5 Preparing Input Data<br />

TRAVERSE DATA TYPE<br />

The Traverse data type allows you to quickly traverse from point to point in a traditional<br />

manner, with a minimum of data entry. There may be as many traverses as required<br />

within a project data file. Each traverse must begin with a single “TB” line, continue<br />

with one or more “T” lines, and end with a single “TE” line. The format of the Traverse<br />

line is described below, followed later by descriptions of the Traverse Begin and<br />

Traverse End lines.<br />

The “T” Code: Traverse - All Measurements to Next Traverse Point<br />

Format for 2D Data:<br />

T At Angle Distance [Std Errs]<br />

Formats for 3D Data - Depending on the “Distance/Vertical Data Type” mode:<br />

T At Angle Slope Dist Zenith [Std Errs] [HI-HT]<br />

T At Angle Horiz Dist Elev Diff [Std Errs] [HI-HT]<br />

The following example shows the organization of the data for a small 2D traverse. In<br />

data files containing multiple traverses, each traverse must be ended before beginning<br />

another. Measure lines and other data types, however, can be freely intermixed with<br />

Traverse lines to define other independent angle or distance observations.<br />

# Simple traverse data<br />

#<br />

TB 5 # Backsight on 5<br />

T 7 100-00-00 100.00 # Start at 7, traverse to 9<br />

T 9 240-00-00 150.00 # At 9, traverse to 10<br />

T 10 78-50-00 85.00 # At 10, traverse to 15<br />

TE 15 # End at 15<br />

5<br />

100°<br />

7<br />

1 0 0.00<br />

240°<br />

9<br />

Traverse Data Format<br />

64<br />

1 5 0 .0 0<br />

79°<br />

10<br />

8 5 .0 0<br />

15

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