Product Manual

The Traverse methods include 2D Helmert transformation, compass rule and transit rule.
A Helmert transformation is calculated based on two control points. These must be the start
point and the end, or closing, station. Shift, rotation and scale factor will be computed and
applied to the traverse.
Starting a traverse without an initial backsight measurement will automatically result in a Hel-
mert transformation.
The coordinate misclosure will be distributed with respect to the length of the traverse legs. The
compass rule assumes that the biggest error comes from the longest traverse observations. This
method is suitable when the precision of the angles and distances are approximately equal.
The coordinate misclosure will be distributed with respect to the coordinate changes in Easting
and Northing. Use this method if the angles were measured with a higher precision than the dis-
tances.
Step Description
1. Start and configure Traverse.
2. Enter station data.
3. Select starting method.
4. Measure a backsight point or go directly to step 5..
5. Measure a foresight point.
6. Repeat for the number of sets.
7. Move to the next station.
•
It is also possible to observe sideshots and check points during the traverse, however,
check points are not included in the traverse adjustment.
•
At the end of the traverse, results are displayed and an adjustment may be calculated if
desired.
11.14.2 Starting and Configuring Traverse
1. Select Apps from the MAIN MENU.
2. Select Traverse from the Apps menu.
3. Complete program pre-settings:
F1 Set Job:
Only one traverse per job is allowed. If an adjusted or finished traverse is
already part of the selected job, then select another job. Refer to "5 Applica-
tions - Getting Started".
F2 Set Tolerances:
1. Use Tolerances: Yes to activate the use of tolerances.
2. Enter limits for horizontal direction (the difference between measured
and calculated azimuth to the closing point), distance (the distance
between known and measured closing point), and for differences in
Easting, Northing and Height. If the adjustment results, or the deviation
for a check point, exceed these limits a warning message appears.
3. Press Cont to save the limits and return to the Pre-settings screen.
4. Select F4 Start to begin the program.
2D Helmert transforma-
tion
Compass rule
Transit rule
Traverse step-by-step
Traverse options
Access
106 Applications