Geospatial Convergence

Geospatial Convergence

Steven Eglinton FBCS, FBCart.S

Chair, Asset Management SIG, AGI Chair, Business Information Systems SG, BCS

RICS, London – June 2015

Slide 1

Geospatial Convergence Slide 2

Geospatial Convergence

Geospatial Convergence - AGENDA

• How BIM will affect us all

• How can we add value to BIM

• Opportunities for ‘Geo’ professionals

• Summary

Slide 3

Geospatial Convergence

What is BIM?

• Depends who you ask!

• Building Information Models - things

• Building Information Modelling - tasks

• Building Information Management – standards / process(es)

Slide 4

Geospatial Convergence

Building Information Modelling (BIM)

• “An integrated digital process providing coordinated, reliable information about a project and assets throughout all phases, from design through construction and into operation”

• Better Information Management

• For all asset types – buildings and infrastructure

Slide 5

Geospatial Convergence

Building Information Modelling (BIM)

• Cross-discipline collaboration

• Standard methods and procedures

• Information provision is contracted

• Digital Plan of Works (DPoW)

• Enabling tools, workflows and validation

• Exchange formats and standards

• Information / data is a commodity

Slide 6

Geospatial Convergence

Information as a Commodity

• In economics, a commodity is a marketable item produced to satisfy wants or needs

Slide 7

• The challenge we have is the client (employer) might not know their needs!

• The client often knows their ‘wants’

• Often the client is not a Director

Geospatial Convergence

Information Models

Documents and Drawings

Schema - Data

Models

Analysis

Project / Asset

Information Model

Images from TfL

Geospatial Convergence

Common Data Environment

Slide 9

CDE

Plan

Design

Build

Operate

Maintain

Upgrade / Retire

Key is Information Governance

MDM

The REAL Key is PEOPLE

Geospatial Convergence

Common Data Environment - Context

• Common Data Environment (CDE)

• Defined in UK Standards BS 1192:2007

• Elaborated on in PAS 1192-2 and PAS 1192-3

Slide 10

Geospatial Convergence

Common Data Environment - Data

Slide 11

• File naming convention from BS 1192-2007:

Geospatial Convergence

Geospatial Convergence

Slide 12

• Capture - Geomatics / Survey

• Plan – Planners, Town Planners

• Design - Architects / Designers

• Build - Client, Contractors, Supply chain

• Operate / Maintain - Client, Contractors, Supply chain

• Map Visualisation – validation, presentation, analytics/reporting, time sequencing, context to projects and assets

Geospatial Convergence

Geospatial Convergence - Diciplines

Slide 13

• Survey / Geomatics

• Planners – Plans (hard copy)

• Architects – CAD, other design tools

• CAD technicians

• GIS (maybe)

• ICT Professionals

• Data specialists

• Information Management / Governance

• Business Intelligence

Geospatial Convergence

Cross-discipline collaboration

Slide 14

Geospatial Convergence

There is lots or jargon

Slide 15

• We can have language challenges!

Shapefiles

Dangling segments

Link-node models

Projections

Vector

Raster

Joins and Links

Points

Polylines

Polygons

Vertices

Snapping

Buffering

GeoProcesses

Dissolve

Merge

Union

Spatial Join

Models

Dynamic segmentation

‘Plotting’ data

GeoCoding

GIS Self-intersecting Polygons

Doughnut

Polygon?

Geospatial Convergence

When is a Polygon a Polygon?

Geospatial Convergence

When is a polygon a polygon?

1.[ESRI software] In ArcGIS software, a shape defined by one or

more paths, in which a path is a series of connected segments. If a

polyline has more than one path (a multipart polyline), the paths may

either branch or be discontinuous.

1.[data models] On a map, a closed shape defined by a connected

sequence of x,y coordinate pairs, where the first and last coordinate

pair are the same and all other pairs are unique.

2.[ESRI software] In ArcGIS software, a shape defined by one or

more rings, where a ring is a path that starts and ends at the same

point.

If a polygon has more than one ring, the rings may be separate from

one another or they may nest inside one another, but they may not

overlap.

Polygon

The POLYGON command allows you to create regular polygons

(polygons with equal sides and angles).

--Prompt: Number of sides: Type in a value for the number of sides

for the polygon.

--Prompt: Edge/ <Center of polygon>: Select the location for the polygon's center with an

Absolute Coordinate, a Relative Rectangular Coordinate,

a Relative Polar Coordinates, or an Osnap and press Enter.

Polyline (closed) The PLINE command allows you to create "grouped" objects that can be extruded, given line width on the screen, and can contain arc segments. Close - Connect the last segment of a pline with the first. Length - Draws a pline segment at the same angle as and connected to the previous segment using a length you specify. If the last element was an Arc, the new segment is tangent to the Arc.

< Closed shape

GIS AutoCAD / Revit

Precise shape >

Geospatial Convergence

When is a polygon a polygon?

GIS AutoCAD / Revit

Geospatial Convergence

How does GIS add value to BIM?

• Persuading design teams to utilise (at any level) what GIS type data can bring to a project:

• Align project to World to other coordinates system

• Provides ability to utilise:

• BIM 360 Glue

• Sun tracking in Revit

• Ground topography

• Existing buildings / asset data

• Transport and services data

• Linear assets

• Augmented reality

• Laser scans

• Rights of light

Geospatial Convergence

How to tackle the language challenge?

Slide 20

Geospatial Convergence

Atomic data

Slide 21

Periodic Table of CAD Periodic Table of GIS Periodic Table of Survey Periodic Table of ICT (Geo) Periodic Table of Rail Civils Periodic Table of Rail Track Periodic Table of Rail Track

Geospatial Convergence

The big challenge is communication

Slide 22

• Between systems

• Between data formats

• Between organisations

• Between disciplines

• Between grades

Geospatial Convergence

Common Location

Slide 23

• Location provides context to data

• Location provides patterns, trends & gaps

• Maps are easier to understand

• ‘Placed-based’ planning is understood

• Proximity can connect people / Orgs

• Services Delivery depends on Location

• See opportunities to consolidate/augment services

Geospatial Convergence

6 Major Opportunities / Challenges

1. Personal experience and expectation

2. Standards for data interoperability

3. We have demonstrated benefits

4. We need ‘discipline dictionaries’ for collaboration to truly work

5. Location is a common language for all disciplines

6. We are already blending skills

Slide 24

Geospatial Convergence Slide 25

Thank You