Coordinate geometry (COGO) is a method of inputting surveying or engineering data into GIS databases. The data typically consist of coordinates of points, distances and bearings between points, arcs and curves, point identifiers, and additional descriptions.
The first step is capturing the COGO information in a structured manner. Each traverse (collection of COGO data points and directions) will be captured as a group. The users will have the option to add new directions, new geolocated points, new arcs or curves, and other COGO events to the traverse. Using the OpenLayers COGO feature generator the traverse can be visualized as line in real time to allow users to see progress.
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