1. Portrayal in the marine domain
The Marine Portrayal Journey
IHO S-52 to IHO S-100
Driven by IMO ECDIS Requirement (Performance Standard)
Maps vector data and User preferences/settings to layered “Drawing instructions” by
Straight lookup (feature/attribute combinations)
Complex Symbology procedures
Drawbacks
ENC only, one dataset – one set of functionality
Complex to implement.
Copyright © 2017 Open Geospatial Consortium

2. Copyright © 2017 Open Geospatial Consortium
Current Challenges
Interoperability between different “layers” and features
Replication of required complex symbology for ECDIS
Generalisation of portrayal to multiple product specifications in different environments.
Conformance with ISO models
Many alternative portrayal methodologies now exist.
Copyright © 2017 Open Geospatial Consortium