vella ahalla lecturer of gis international training college
TRANSCRIPT
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P1
The Third International Workshop
on GIS Technology and Application
Vella Ahalla
Lecturer of GIS International Training College
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P2
BIM+GIS Technology1
City Information Modeling2
Typical Application3
Use Cases4
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P3
1
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P4
• BIM—Building Information Modeling
• Definition by American national BIM standards association:
- Digital expression of a construction project.
- A shared resource: provides a reliable basis for all
decisions during the entire life cycle of the facility from
construction to removal.
- At different stages of the project, different roles insert,
extract, update and modify information in BIM to support
and reflect their respective responsibilities in the
collaborative work.
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P5
Standard
Entire Life Cycle Process
• Plan:Planning Institute;
• Design:Design institutes of architecture,
transportation, water conservancy and
electric power;
• Construction :construction company,
such as: intelligent construction
management platform;
• Maintenance :the earliest BIM+GIS
application, such as Shanghai Tower.
Model Data
Major BIM design software
• Autodesk
• Bentley
• CATIA
• …
• Government
• BIM Alliance 、BIM
Association
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P6
The
Deficiency
of BIM
Application
Focus on monomer, lack of macro.BIM focuses on the management of the whole life
cycle of buildings and lacks the surrounding macro
geographical environment.
How to deliver BIM data whose format is not uniform?There are many kinds of BIM modeling software and the data format is inconsistent.
After the completion of construc-
tion, how will BIM play its role in
the maintenance stage?Focus on design, construction, lack of late
operation and maintenance management.
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P7
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P8
GISFrom macro to micro
From outside to insideConstruction
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P9
How to Import BIM Data
into GIS Platform
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P10
Native Read
Export Plugin
BIM Software GIS Software• Vertex and attribute information are exported
at once.
• Export by category
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P11
*.flt、*.gltf …
…
* Support Direct Read
*
*
*
Software
Format
*
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P12
SketchUp (*. SKP )
Revit (*. RVT )CATIA(V5/V6)(*.3DXML)
Interchange Format IFC
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P13
How to Carry Massive
BIM Data?
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P14
Graphics Card
LOD
Instance Mapping
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P15
• Bridge Length: 9.654 KM
• Storage Capacity: 30G,Hundreds of
millions of triangular polygons
• 320 stay cables, 800,000 bolts, 400,000 or
more steel bars
• Shanghai Tower BIM
• Data Amount: 250GB
• Number of Components: 3 Million
Light weighting Model Model Classification, Cache
Optimizing Complex Model Performance
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P16
BIM and GIS
Integration
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P17
Edit Sub object Edit Texture
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P18
Check BIM Model Information
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P19
Group Management
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P20
BIM Spatial and Attribute Query
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P21
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P22
BIM Construction Schedule Monitoring
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P23
2
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P24
I want to place BIM models
at the actual geographic
location
I want to understand the
surrounding area of the
building
I want to analyze any
conflict of pipeline assets
I want to query and analyze
the building for assets
management
I want to manage
underground assets in my
city
I want to build bridges and
look at aspects related to
that land
I want to link objects
I want to manage multi-
source data fusion
CIM
I want to express BIM
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P25
Building
Information
ModelingBIMGeographic
Information
SystemGIS
City
Information
ModelingCIM
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P26
3.2TB Oblique Photography
Browser Fast Visualization
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P27
3D
Printing3D Solid
BIM Model Expression and Capabilities
Spatial
Calculation
Spatial
Relations
Spatial
Analysis
Reduced
Dimension
Volume
Calculation
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P28
BIM and TIN BIM and Oblique Photography
BIM and Water BIM and Video
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P29
CIM Platform Based on BIM + GIS Engine
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P30
3Typical Application
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P31
• Planning Stage
– Site analysis, planning approval, project demonstration, etc
• Design Stage
– Less GIS participate in
• Construction Stage
– Construction schedule simulation, construction organization simulation, etc
• Maintenance Stage
– Delivery completion model, maintenance plan ,asset management, disaster emergency simulation etc
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P32
Planning Stage
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P33
• 1 Site Analysis
• 2 Architectural Programming
• 3 Project Demonstration
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P34
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P35
Construction Stage
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P36
Large-scale construction
management project
1)video monitoring、televisision
consultation
2)larb0r monitoring、progress regulatory
3)environmental monitoring、equipment
monitoring
Application Scene
Major Business
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P37
Maintenance Stage
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P38
Maintenance management
of super high-rise building
Application Scene
1)Daily Operation
2)Synthesis Command
3)Equipment Operation
4)Scheduling Policy
Major Business Model Show/Query Browse Model Properties
Emergency Simulation Spacing Tool
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P39
Large-scale water
conservancy project
1) BIM data integration
2) BIM and fine terrain
integration
3) Equipment and facilities
monitoring management
Application Scene
Major Business
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P40
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P41
4Use Cases
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P42
Height 632 m
121 floors above ground
143 elevators
570,000 square meters
Tower top damper 1200 tons
1700 parking spaces5 floors under ground
The total BIM data size: 252 GB
The number of 3D models: 3 million
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P43
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P44
Urban Planning Skyline Analysis
Real 3D Scene Planning Scheme Reviewing
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P45
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P46
Thank You!
Reach us here!