Rule-based isobath generalisation using the Triangle Region Graph: uniting soundings, isobaths and constraints through a navigational surface

Navigational charts play a vital role in a ship's safety while navigating the seas, rivers or lakes. With most of the features and obstructions being out of sight -below sea-level - these charts are more critical than e.g. topographic maps. For routing but also positioning, depth information is a key aspect on these charts. This depth...

Specifying requirements for Automatic Generalisation of Electronic Navigational Charts

This short summary helps to grasp the motive behind the research, its objectives and to find out what is presented on the following pages of the report. It offers a condensed, one page recapitulation of its contents and intentions and suggests who might be interested to read it. CONTEXT Map generalisation is a tedious task, requiring skilled...