Making BIM and GIS interoperable using the V-Con layered modelling approach

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Making BIM and GIS interoperable using

the V-Con layered modelling approach

Bart Luiten, Michel Böhms, TNO GEO BIM 2014 - Smart Infrastructure 20th November, 2014

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Introduction

Road Authorities want to increase their use of BIM (for their projects) and GIS (for asset management)

Both BIM and GIS are developing rapidly, with large user groups,

November 20, 2014 2

Both BIM and GIS are developing rapidly, with large user groups, acceptance in the market, large installed bases, own technologies However, these two world are not always compatible

What to do when you need to work with both?

In the V-Con project we aim for solving this issue. Maybe you can learn something from it …….

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V-Con Project Context

V-Con: Virtual Construction for Roads

Aim: improving processes at National Road Authorities by Information Management EC sponsored PCP-project

PCP = Pre-Commercial Procurement for software development

November 20, 2014 3

PCP = Pre-Commercial Procurement for software development Partners

Rijkswaterstaat, Road Authority, Netherlands Trafikverket, Road Authority, Sweden

CSTB, Research, France TNO, Research, Netherlands Duration: 1 Oct 2012 - 1 Oct 2016

2 years preparation (standardisation & specification), 2 years PCP

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Need for improving information management in infrastructure sector However,

V-Con background

November 20, 2014 4 No standards No demand in

V-Con aims at breaking out of his downward spiral!

No standards No demand in

Road authorities’ contracts

No demand for software

No investments in software No stimulus to standardise No use at road authorities

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Road Realisation (Control) Road Maintenance (Control) Road Traffic Management National Road Authority

Realisation projects Asset Management Network Management

10% BIM/GIS 10%

BIM/GIS

With V-Con from paper-based information flows …

November 20, 2014 5

June 12th, 2012

V-Con for Roads - Benno Koehorst 5

(Control) (Control) _Management

Road Realisation (Execution) Road Maintenance (Execution) Contractor Authority functional road requirements

virtual & real road delivery functional maintenance requirements maintenance delivery End-user application 10% BIM (Occ.) project info model Info flow Core Activity Today the info flows are paper-based Legend

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Road Realisation (Control) Road Maintenance (Control) Road Traffic Management National Road Authority

Realisation projects Asset Management Network Management

… to open information sharing.

November 20, 2014 6

June 12th, 2012

V-Con for Roads - Benno Koehorst 6

(Control) (Control) _Management

Contractor Authority Info flow Legend End-user application

100% Road Information Model (= BIM + GIS + …)

Shared info model Core Activity Road Realisation (Execution) Road Maintenance (Execution)

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How to standardise information exchange and

sharing?

Many relevant standards already exist

BIM, GIS, Systems Engineering, national classification systems, company specific libraries, etc.

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Each with their own definitions, file formats and semantics

And their own user communities, standardisation bodies, installed base, history

Our conclusion

The mother of all standards does not exist

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The scope of the V-Con Solution

Project Management (realisation/ maintenance) Construction Company V-Con Solution

Road Authority

November 20, 2014 8 Asset Management Traffic Management

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The V-Con challenge

Construction Company V-Con Solution

Road Authority

Project Management Systems Engineering … November 20, 2014 9 BIM/GIS/CAD/… Asset Management GIS …

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The V-Con Vision: use semantic web

Road Authority

November 20, 2014 10 Ontology

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V-Con vision: … and allow for existing standards

Road Authority

November 20, 2014 11 Open existing BIM/GIS/SE standards

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A hybrid approach in a multi-standard world

Road Authority

November 20, 2014 12 Ontologies + Open existing standards

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To enable semantic interoperability: use a

Common Ontology

Defines the structure for Common Datasets Which contain objects and properties to be exchanged and shared between different contexts/domains Common Ontology CMO International November 20, 2014 13 contexts/domains

Consists of a set of layered Ontologies Concept Modelling Ontology (CMO)

E.g. International, National, Organisation and Project layers

Lower layers specialise higher layers

International National Organisation

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Multiple Contexts and

Datasets

• Multiple datasets for the same real-life objects where each dataset represents a certain Context

• ”One Bridge” - different perspectives

November 20, 2014 14

• ”One Bridge” - different perspectives • The Common dataset links these

Context datasets

• V-Con use cases include

• linking complementary datasets • converting datasets

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Example with existing standardised worlds: BIM-GIS

November 20, 2014 15 Context Ontology

V-Con Solution

syntax mapping syntax mapping Context Dataset Context Dataset BIM Context Ontology GIS Common Ontology semantic semantic mapping mapping Common Dataset BIM application

W3C Linked Data application semantic semantic mapping mapping GIS application

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How to make BIM and GIS interoperable in V-Con?

Choices made by two Road Authorities in V-Con:

Keep on using existing standards, e.g. for GIS (geospatial) and BIM (structures)

Apply as much as possible complementary elements

Apply as much as possible complementary elements For each LOD, choose either BIM or GIS

In V-Con we also contributed to IFCRoads / 3D allignment In practice, still overlaps, hence need for data transformations

Use open linked data approach to link these worlds

Translate to semantic web (e.g. IFC ontology, CityGML ontology) Use linking, conversion and enrichment to connect different worlds

Use a layered structure for the common data structure

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PCP enables us to realise this with

software vendors

November 20, 2014 17 SOFTWARE COMPANIES SME Large Corporate Develop software Demonstrate

Later: Bring to market

Pre-Commercial

KNOWLEDGE INSTITUTIONS TNO CSTB (Standardisation bodies) ROAD AUTHORITIES Rijkswaterstaat Trafikverket (CEDR)

Define business requirements Create demand

Develop approach

Define technical requirements Standardise

Pre-Commercial

Procurement

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Status and plans for V-Con

Sep ’14 we launched the call to involve software vendors in the PCP Last week we received 16 bids!

Dec ’14 we will select 6 vendors for Phase 1: Solution Design

Dec ’14 we will select 6 vendors for Phase 1: Solution Design May ’15 we will select 4 vendors for Phase 2: Prototype

Dec ’15 we will select 2 vendors for Phase 3: Develop and Test Sep ’16 the market has two running and tested V-Con Solutions!

Follow our website to keep up-to-date: www.rijkswaterstaat.nl/v-con

Visit our end-conference Autumn 2016

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Consequences of this approach for

harmonisation of BIM and GIS

Keep up the good work!

Ensure that you are able to communicate with semantic web Try to keep the overlap in scope as small as possible

Do not try to include the world of the others

Do not try to include the world of the others Make your own work reusable

Try to re-use the modelling work of the others

Support initiatives: InfraGML (by bSI and OGC) and bSI InfraRoom Strive for using a layered modelling approach

Only standardise the bare minimum (“static”)