Traverses consist of a list of stations ordered in such a way that each station observes the following station. If the last station observes the first station, this is called a closed traverse.
Different Traverses can be contained in the same survey. Each one is identified by a sequential number starting with zero. It is possible to go directly to the chosen Traverse data by entering its number in the relevant box or by using the Next and Previous buttons. A Traverse can also be created by clicking the New button, and Delete allows one to delete a traverse.
The list of stations included in the traverse can be created by selecting stations from the list displayed the left of the dialog box and clicking > to add them. On the other hand, stations can be deleted from the traverse by selecting them from the list on the right of the dialog box and clicking <. The station’s order in the list can be modified using the Move Up and Move Down buttons, but bearing in mind that it is only possible to adjust the Traverse if each station observes the following station.
Another alternative for entering stations is to draw them on screen using the Select button. This allows stations to be entered in the order they are to be processed. Of course, the stations must have already been drawn.
The traverses are stored with the survey data. Despite this, if one wishes to export their data to use it as another job’s input data, one can use the Export option, which requests the name of a file having the .POL extension that saves this kind of information. The Import button can be used to read this file in another survey
Other options affecting the calculation process include the Fix Origin and Fix Destination check boxes, which prevent the coordinates of the first and last stations from being modified, and the Closed check box, which will be used if the observation between first and last station is activated.
Lastly, the Adjust button allows access to the Traverse Adjustment dialog box. There should be at least one fixed station in the traverse.
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