Live demo viewer

OpenLayers chart viewer on the official Dutch chart services, with the ASI overlay and scripted scenarios — a sluice starts flowing, a diver goes down at a berth, a feed fails.

Draft documents

The deliverable drafts: portrayal guide, product specification, technical service documents, test scenario, and the four-page information package.

Information package (print)

The quickread handout, print-ready A4.

Design record 🔒 restricted

The full engineering record — every decision minuted. Access on request: fabian@maraton.consulting.