Topography On the Fly for Android

By TopOntheFly Free

Developer's Description

Topography On the Fly is a suite of land surveying tools. It allows you to have complex surveying calculations on the field quickly with maximum accuracy. The design is as simple as needed under work pressure. The advantage is that can be used only with a simple total station or additionally with more complex instruments and gps.

Angular units : gradians (default) and decimal degrees (degrees only in Distance/Azimuth).

Task list:

Direct geodetic problem

Inverse geodetic problem

Two points resection Free station

Simple forward intersection

Simple resection

Inaccessible points

Line-line intersection

Line-circle intersection

Azimuths intersection

Circles overlap


Triangles computation three cases

Arc details

Arc thickening

Line thickening

Line extension

Perpendicular line

Parallel lines

Inaccessible height

Inaccessible base


Polygon area

Trigonometric leveling

Great tool for land surveyors, civil engineers, topographers and land engineers.

Download also our free application:

"Geodetic NET" from Google play


"Surveying In the Field" from Google play


Don't forget to rate this app and send us a feedback.

Full Specifications

What's new in version 5.37 ML


Release September 8, 2020
Date Added September 8, 2020
Version 5.37 ML

Operating Systems

Operating Systems Android
Additional Requirements Requires Android 1.6 and up


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