Traverse & Level

Angles and distances, least squares and the Qatar National Grid. The program opens the same app as www.exceltokml.com/traverse, so everything below is also in the web app.

• Angles & distances field book. Next to Site coordinates, enter what the instrument recorded: the angle turned from the backsight (or a bearing) and the distance to each point, in DDD.MMSS, decimal degrees or gons, clockwise or anticlockwise. Add side shots for detail points and tick Levels to carry heights through the traverse. Type, paste from Excel or import a CSV.
• More checks. Besides the precision 1 : N, the angular misclosure (K" x sqrt(n)) and the level misclosure (C mm x sqrt(km)) must be within their limits for Accepted. The angles are balanced and listed with their corrections.
• Least squares. A fourth adjustment method for the field book: angles and distances weighted by your instrument's standard errors and adjusted together, with residuals, 95% error ellipses and the chi-square test.
• Qatar National Grid (QND95). The grid scale factor (point scale x height factor) is worked out for the job, or typed, and every point and side shot gets its WGS84 latitude and longitude, with the same formulas as Excel to KML.
• Open traverse on a closing point. An open traverse can now finish on a known point, so it is checked and adjusted like a closed one.
• Exports. The PDF report adds the field book, angles, side shots, least squares and latitude and longitude; the CSV adds levels and latitude and longitude; and a new Google Earth (KML) button saves the traverse and its side shots.
• Updated user manual (41 slides, new section 4) on the product page, with field book samples to practise on.

Install or update

• Already installed: the program offers 2.1.0 when it next opens. Press Yes; it downloads the installer, verifies it and restarts on the new version. Your jobs are in your account and are not touched.
• New install (Windows 10 and 11): download TraverseLevel-Setup.exe below and run it. It installs for your user only, with no administrator rights. If SmartScreen warns about an unknown publisher, press More info, then Run anyway.
• No install: open www.exceltokml.com/traverse/app in any browser.

Good to know

• Checking the installer: latest.json below lists its SHA-256. In PowerShell: Get-FileHash .\TraverseLevel-Setup.exe -Algorithm SHA256.
• The first start needs internet, to sign you in and fetch the app.
• Reporting a problem: open an issue.

By SurveyX Digital · Developed by Asjad Mehmood.

The first release of Traverse Pro: close and adjust a traverse from the field book, on your own computer, with no internet connection.

• Load and list. Type the traverse one set-up per row, by bearings or by angles turned from the backsight, load a CSV or TXT file, or add points by clicking on the plan. Side shots hang off any set-up.
• Close and adjust. Closed loops, closed links and open traverses, adjusted by Compass (Bowditch), Transit or least squares, with angular, linear and level checks against the tolerance of the traverse class.
• Report. A printable report of the set-up, the field book, the closure, the checks and the adjusted coordinates. Print it, or choose Microsoft Print to PDF.
• Updates itself. Each time it opens, the program checks for a newer version.

Download TraversePro-Setup.exe below and run it. It installs for your user only and does not need administrator rights. If SmartScreen says Windows protected your PC, press More info, then Run anyway.