Dr. Lee Alexander, Univ. of New Dr. Lee Alexander, Univ. of New HampshireHampshire

Michel Huet, IHBMichel Huet, IHB

Marine Information Objects Marine Information Objects (MIOs)(MIOs)

Use in ECDIS and Marine SDIs Use in ECDIS and Marine SDIs Relationship to Current/Future IHO Relationship to Current/Future IHO

StandardsStandards

MIOs and SDIsMIOs and SDIs

An SDI encompasses the An SDI encompasses the policies, technologies, standards policies, technologies, standards and human resources necessary and human resources necessary for the effective collection, for the effective collection, management, access, delivery management, access, delivery and utilisation of and utilisation of geospatial datageospatial data for a specific jurisdiction or for a specific jurisdiction or community (GSDI, 2004)community (GSDI, 2004)

Marine Information Objects Marine Information Objects (MIOs)(MIOs)

• MIOs are not contained within nor MIOs are not contained within nor are they an integral part of an are they an integral part of an ENC.ENC.

• MIOs are separate, MIOs are separate, supplementary information that supplementary information that are displayed in conjunction with are displayed in conjunction with the overall System ENCthe overall System ENC..

• Similar in concept to adding radar Similar in concept to adding radar and AIS information to an ECDIS and AIS information to an ECDIS display.display.

Marine Information Objects Marine Information Objects (MIOs)(MIOs)

- Chart and navigation-related information that supplement the minimum information required by IMO ECDIS

• Additional, non-mandatory• Not covered by existing standards (e.g.,

IHO S-57, IHO S-52, or IEC 61174)• The “everything else”• Points, lines, areas, features, objects

Color Display

Computer AISGyrocompass

ENCDepthsounder Currents

Updates

Radar/ARPA(GPS, LORAN)Nav Sensors

Water level

Ice info

ECDIS COMPONENTS

SENC

XTD

SPD

CSE

MIOs

Types of MIOsTypes of MIOs

Tides / water levelsTides / water levelsIce coverageIce coverageMeteorologicalMeteorologicalOceanographicOceanographicMarine HabitatsMarine HabitatsEnvironmental ProtectionEnvironmental ProtectionArcheologicalArcheologicalVessel Traffic Services (VTS)Vessel Traffic Services (VTS)Aids to Navigation StatusAids to Navigation Status

S-57 ENC Product S-57 ENC Product SpecificationSpecification

• Used by HOs to produce ENC data for Used by HOs to produce ENC data for ECDISECDIS

• Current version (3.1) recently Current version (3.1) recently updated (3.1.1) to meet new IMO updated (3.1.1) to meet new IMO requirements:requirements:

Particularly Sensitive Sea Area (PSSA)Particularly Sensitive Sea Area (PSSA)Archipelagic Sea Lanes (ASL)Archipelagic Sea Lanes (ASL)

• Since MIOs are used with ENCs, they Since MIOs are used with ENCs, they should conform – as much as possible should conform – as much as possible – to the ENC Product Specification.– to the ENC Product Specification.

Traditional Ice Chart versus ECDIS Presentation

Icebreaker Chart

Corresponding ECDIS presentation

Source: German Ice Service

Description Token Iceberg ICEBRG Ice Drift ICEDRF Ice Dynamics ICEDYN

Floeberg ICEFLO Ice Line ICELIN Land Ice ICELND Ice Openings ICEOPN

Ice Ridge ICERDG

Ice Route ICERTE

Sea Ice ICESEA Ice Topography ICETOP

Ice Object Classes

Description Token Iceberg Shape ICEBSH Coverage Type ICECVT Floe Size ICEFSZ

Stage of Melt ICEMLT Snow Cover ICESCV Sea Ice Stage of dev. ICESOD . .

. .

. .

plus 24 ice attributes

Example for presentation in ECDIS

detailed base chart with ice overlay

““Generic” MIO Product Generic” MIO Product SpecificationSpecification

Purpose: Purpose:

All MIOs will be based on a single, All MIOs will be based on a single, “generic” MIO Product Specification.“generic” MIO Product Specification.

• Will be similar to Additional Military Layers Will be similar to Additional Military Layers (AMLs) developed/used by NATO.(AMLs) developed/used by NATO.

• ENC software manufacturers will not have to ENC software manufacturers will not have to develop new software tools to deal with MIOs.develop new software tools to deal with MIOs.

• Existing ECDIS/ECS can read MIOs in the same Existing ECDIS/ECS can read MIOs in the same manner as ENCs and AMLs.manner as ENCs and AMLs.

MIO Encoding GuideMIO Encoding Guide

PurposePurpose: Provides detailed : Provides detailed guidance on how specific types guidance on how specific types of MIOs are encoded.of MIOs are encoded.

Using existing/new S-57 object classes, Using existing/new S-57 object classes, attributes, and attribute values:attributes, and attribute values:

1.1. Provides basis for creationProvides basis for creation

2.2. Describes relationship to real-world Describes relationship to real-world entityentity

3.3. Provides criteria for its proper useProvides criteria for its proper use

4.4. Gives specific encoding examplesGives specific encoding examples

Approach will be similar to what is being used to encode Inland Approach will be similar to what is being used to encode Inland ENC data for rivers and inland waterways.ENC data for rivers and inland waterways.

International MIO DevelopmentInternational MIO DevelopmentIHO-IEC Harmonization Group on Marine IHO-IEC Harmonization Group on Marine

Information Objects (HGMIO)Information Objects (HGMIO)- meets once year; next meeting June 2007 at Univ. - meets once year; next meeting June 2007 at Univ. of NHof NH

Recommended Procedures for Recommended Procedures for Development of MIOsDevelopment of MIOs (Dec 2004)(Dec 2004)

- How a competent organization identifies MIO - How a competent organization identifies MIO requirementsrequirements- Information content for MIO category- Information content for MIO category- Development of new S-57 objects & attributes- Development of new S-57 objects & attributes- Colours and symbols (based on IHO S-52)- Colours and symbols (based on IHO S-52)- Test and evaluation- Test and evaluation- Production and dissemination- Production and dissemination- Regulatory requirements for use (if needed)- Regulatory requirements for use (if needed)

Overall FrameworkOverall Framework

• S-57 3.1/3.1.1 where applicableS-57 3.1/3.1.1 where applicable• Use existing S-57 Object CatalogueUse existing S-57 Object Catalogue• MIO Register for new S-57 objects & MIO Register for new S-57 objects &

attributesattributes• ““Generic” MIO Product SpecificationGeneric” MIO Product Specification• MIO Encoding GuideMIO Encoding Guide• Use Open ECDIS Forum (Use Open ECDIS Forum (

www.openecdiswww.openecdis) for communication ) for communication and & publicationand & publication

• Align with future IHO S-100Align with future IHO S-100