SUCES Scanning Presentation (2016-10-13)

GBC International Research
Project Collaboration
BIM Research Case Study:
3D Scan and Model of Educational Training
Facility in Shanghai, China (SUCES) 1

Agenda
2
1. BIM Research Team - Backgrounds And Past Projects
2. Shanghai Project Description
3. Laser Scanning Technology
4. Shanghai Scan-to-BIM Project Process
A. Scanning
B. Registration
C. Point Cloud
D. Modelling
E. Exports
5. Closing Remarks

Petro Karanxha
BIM Technologist
& Lead
Researcher
George Brown
College
3
GBC BIM Research Team

4
Neil Chauhan
Education
Civil Engineering Technologist (Adv.
Dip.)
George Brown College (2015)
Honours Bachelor of Technology
(Const. Mgmt.)
Work
Applied Researcher (May 2015-July
2016)
George Brown College
3D Surveying Specialist (July 2016-
Present)
EllisDon (VDC)

Robert Lin
Education
Architectural Technologist (Adv. Dip.)
(Const. Mgmt.)
Work
Applied Researcher (May 2015-
Present)
3D Surveying Specialist (July 2016 -
Sept 2016)
EllisDon (VDC)
5

6
Safraa Yunas
Education
(Const. Mgmt.)
Work
Present)
File Clerk (2012- Dec 2014)
Canderel Residential Inc.

7
Will Mckeeman
Education
Bachelors of Arch. Tech. & Const.
Mgmt.
KEA (2017)
Work
2016)
Contractor’s Apprentice
LGCI

8
GBC’s Past & Current BIM
Projects: Toronto Cricket Club
Toronto Cricket Club: Point Cloud Top View -
(Autodesk ReCap)
Toronto Cricket Club: Site Top View - (Google
Maps)
▪ Toronto Cricket Club (2015)
3D laser scan of building exterior
Creation of site plan with cricket field typography

9
GBC’s Past & Current Projects:
Royal Ontario Museum
Royal Ontario Museum: Point Cloud Elevation View - (Autodesk
ReCap)
Royal Ontario Museum: GLS-2000
TOPCON
▪ ROM (2015)
Created and facilitated 3 lectures for Civil
Engineering Diploma GIS course on the
operation of GLS-2000/ScanMaster

10
Royal Ontario Museum Cont.
Royal Ontario Museum: Pint Cloud Elevation View -
(Autodesk ReCap)
Royal Ontario Museum: Point Cloud Elevation View - (Autodesk
ReCap)
Royal Ontario Museum: GLS-2000
TOPCON

11
76 Richmond
76 Richmond: Top Front View- (Field
Photo)
▪ 76 Richmond (2016)
3D laser scan of building exterior + interior
3D modelling in Revit
76 Richmond: Registration
(Faro SCENE)

76 Richmond Cont.
12
76 Richmond: Front View - (Field Photo) 76 Richmond: Point Cloud Front View -
(Autodesk ReCap)

13
Waterfront Silos
Waterfront Silos: Roof Top with Faro X330 – (In Field Photo)
▪ Waterfront Toronto (2016)
3D laser scan of building exterior + interior
3D modelling in Revit

14
Waterfront Silos Cont.
Waterfront Silos: Point Cloud Isometric View –
(Autodesk Revit)
Waterfront Silos: 3D Model Isometric View –
(Autodesk Revit)

上海市城市建设工程学
校（上海市园林学校）
&
加拿大乔治布朗学院--
建筑工程技术中心
BIM建筑模型研究实例：
开放式实训基地的3D扫
描和建筑模型
地点：SUCES 青浦校区
15
GBC’s International Research
Project Collaboration
Researchers presenting to faculty at SUCES in Shanghai

Clint Kissoon
Academic Chair at George Brown College -
School of Construction Management
Zhu Yingying
President of Shanghai Urban Construction
Engineering School (SUCES)
16
Project Sponsors

Hua Ying
Human Resources Manager, Shanghai Urban
Construction and Engineering School (SUCES)
Frank Wu
Translator, former student of SUCES and
current student of George Brown College in the
Building Renovation Program
17
Project Facilitators

3D laser scanning equipment
provided through
collaboration with FARO
China by:
Lei Yuan
Distribution Manager
Lei Yuan – FARO Technologies Inc.
18
Project Facilitators

▪Through the capture and management of digital 3D
point cloud data, the George Brown College’s
BIM Research Team created 3D Models of several
buildings on the training campus of Shanghai
Urban Construction and Engineering School
(SUCES)(Shanghai Gardening School) in June of
2016.
19
BIM Research Project

▪Objectives
–To foster the adoption and
integration of BIM into an
educational curriculum at
SUCES through
technological demonstration
– To create a BIM model
(LOD 200) of a site
consisting of several
buildings after performing 3D
laser scans on site
20
On campus office (Shanghai, China)
BIM Research Project

21
Map of Shanghai & Qingpu – (Google Maps)
BIM Research Project Location

22
Financial District Shanghai
Dragon Boat Festival Snacks in Old Shanghai

23
On top of observatory deck of Shanghai Tower
Fenjing Town (Water Town)

24
Shanghai Skyline (Google Image)

25
SUCES – Agriculture and Gardening School Facilities – Qingpu, China

26

27

BIM Research Process for SUCES
Project:
▪ 3D Laser Scanning of three
buildings on SUCES Training
Facility Site at Qingpu using FARO
Focus3D X330 (Laser Scanner)
28
Project Outline

BIM Research Process for SUCES Project:
▪ 3D Modelling of three buildings and surrounding
environment using Autodesk Revit, and Autodesk
ReCap
29
Project Outline

BIM Research Process for SUCES Project:
▪ 3D Models imported into Autodesk Navisworks as a
data transfer exercise for interoperability
▪ 3D Printing files of all models (STL) exported for 3D
printing
30
Project Outline

Project Plan
Scan Plan
Data Collection
[SCANNING]
Point Cloud
Creation
[REGISTRATION]
Revit Model
Creation
[MODELLING]
Project
Documentation
[Navisworks, 3D
Print]
31
BIM Scanning Project
Lifecycle Processes

▪ The application of laser
scanning technology has
been popular in the
topographic and survey fields
for many years. However,
recent advances in hardware
technology and Building
Information Modeling (BIM)
processes are promoting the
use of scanning technologies
in the building construction
industry. Researcher with FARO Focus3D X330 –
LASER SCANNER, Toronto, Canada
32
Laser Scanning Technology in
Construction

▪Scanning for building construction is being
applied most often to existing structures or
facilities to model accurate as-built conditions,
but we are also seeing an emergence of
applications relating to new construction work.
33
Laser Scanning Technology in
Construction

Scanner utilized for project:
FARO Focus3D X330
▪Range: 330m
▪Accuracy: 2mm
▪Resolution: 1.5mm @ 10m
▪Speed: ~1 million points
per second
FARO Focus3D X330 – LASER SCANNER
34
SUCES Scanning Equipment

The chosen structures that were scanned and
modelled at the SUCES campus were as follows:
▪English Style House (Landscaping Training
Facility)
▪Japanese Style House (Landscaping Training
Facility)
▪Agricultural Training Facility (Greenhouse)
35
SUCES Scanning Process

Researchers planning scans at Landscaping Training Facility (SUCES) – In-Field Photos
Before the scanning takes place, a scan
plan consisting of station locations and
desired structures/ objects to be
recorded is produced.
36
SUCES Scan Plan

English Style House &
Researcher with FARO X330
– Landscaping Training
Facility (SUCES) – In-Field
Photo
When objects and
environments are
too large to be
captured by a
single scan,
multiple scans are
performed in the
surrounding vicinity
of the structure and
are stitched
together using
software
37

English (Above) and Japanese
(Right) Style Houses with FARO
X330 – Landscaping Training
Facility (SUCES) – In-Field Photos
These two structures were scanned to obtain
building geometry at all angles
The houses were connected through an adjoining
walking path that encircled a man-made pond in
the middle
The pathways were also scanned and modelled
as topography, as the English house stood at a
higher elevation than the Japanese house
38

English and Japanese Style Houses Top-view (Left) &
Profile View (Right) Landscaping Training Facility
(SUCES) – (Autodesk ReCap)
Left image shows the two houses and
their spatial orientation to one another
as well as the size of the pond and
adjoining pathways
Bottom image shows the two houses
in a profile view with a slight difference
in elevation
39

Agricultural Training Facility Exterior (SUCES) & FARO X330 – In-Field Photo
The multiple scans
taken by the
FARO Scanner
are tied together
or registered using
the software,
SCENE.
The white spheres
or “targets” placed
around the
structure aid in the
registration
process within the
software during
post-processing
40
SUCES Registration Process

Agricultural Training Facility Exterior (SUCES) - Target Based Scan Registration
(FARO SCENE)
White Spheres
Screenshot of
how the white
spheres are
displayed in the
scan registration
software, SCENE
Also in the view is
the scanner head
showing where
the scan station
was situated
Another example
of sphere target
placement shown
in next slide
41

▪ As scans are recorded in the field, each scan position is assumed to be 0,0,0
and one direction (north), without correction, the scans will stack on top of
each other in the SCENE software environment (left image)
▪ Post processing of the scan data involves transforming the X,Y,Z coordinates
and north orientation to fit scans together much like pieces of a 3D puzzle
(right image)
Example of Unregistered Scans – (SCENE) Example of Registered Scans – (SCENE)
42

▪The process of stitching
together multiple scans in
software is called scan
“registration”
▪There are several methods
to register scan data, we
will focus on target based
scan registration using the
sites at SUCES as an
example to explain
registration principles
Example of 3D Checkerboard Survey
Point - (FARO)
43

Japanese Style House & FARO X330 – Landscaping Training Facility (SUCES) – In-Field Photo
▪ Example showing how physical placement of white
spheres at different positions and elevations is
necessary to obtain accurate spatial data (x,y,z)
44

Diagram showing the
conceptual scheme for
target based registration
using spheres
- 3 fixed spheres at the
start of the loop around
structure
- 6 spheres that move
with each movement of
the scanning station (3
in the back, 3 in the
front, at least)
Example of scheme shown
in next slide
45

Agricultural Training Facility Interior (SUCES)
& FARO X330 – In-Field Photo
Interior scans of structures are
registered using the same principle
(target based), using doorways or
windows to register the exterior
scans to the interior.
INTERIOR
EXTERIOR
46

Landscaping Training Facility (SUCES) - Target Based Scan Registration (FARO SCENE)
▪ Screenshot in SCENE showing example of how scans were registered
through target spheres (shown in green) along the pathways between both
landscaping houses 47

Japanese Style House (SUCES) - Target
Based Scan Registration (FARO SCENE)
Screenshot in SCENE showing two
different scans (red and green)
registered together using target
based method with an average
discrepancy of 0.05 mm
48

Agricultural Training Facility (SUCES) – Cloud-to-cloud
Scan Registration (FARO SCENE)
Screenshot in SCENE showing two different scans (red and green)
registered together using automatic cloud-to-cloud method (not covered in
this presentation) with an average discrepancy of less than 5 mm 49

White Spheres
▪ Once all scans are stitched together or
“registered” the larger scan file can be
exported from SCENE into an
Autodesk ReCap file as a point cloud
▪ When the 3D point cloud is generated,
the data can be further exported to
many common CAD, modeling and
BIM programs to generate 2D CAD
drawings or 3D models
50
SUCES Point Cloud Data

▪ 3D laser scanning technology digitally captures the
dimensions and spatial relationship of objects using a line of
laser light. The scanner outputs point clouds, which
accurately replicate the scanned objects or structures. Point
cloud files can be viewed in Autodesk ReCap.
English and Japanese
Style Houses –
Landscaping Training
Facility (SUCES) – Point
Cloud (Autodesk ReCap)51
SUCES Point Cloud Data

White Spheres
English Style House Point Cloud (SUCES) Distance Measure
Function (Autodesk ReCap)
ReCap is a free point
cloud file viewer that
is able to:
 Measure
distances to obtain
dimensions within
scans
 Crop/clean scans
 Export to CAD/
Modelling
programs
52
SUCES Point Clouds

White Spheres
English Style House Point Cloud – Landscaping Training Facility (SUCES) (Autodesk ReCap)
53
SUCES Point Clouds

White Spheres
Japanese Style House Point Cloud – Landscaping Training Facility (SUCES) (Autodesk ReCap)
54
SUCES Point Clouds

White Spheres
Agricultural Training Facility (SUCES) Point Cloud (Autodesk ReCap)
55
SUCES Point Clouds

▪ In order to start modelling the point cloud needs to be
imported from ReCap into Revit.
▪ Modeling levels are then created based off the common
points across the point cloud.
Agricultural Training Centre (SUCES) Point Cloud Import (Autodesk Revit)
56
SUCES Agricultural
Greenhouse Modelling

▪Walls were created
based on distances
measured in the
point cloud within
ReCap
▪Windows were
created by lining up
the model with the
point cloud
Agricultural Training Centre (SUCES) Wall Modelling
and Point Cloud Import (Autodesk Revit)
57
SUCES Agricultural

▪Structural elements (beams, columns, joists) based
on location in the point cloud. Sizes were double
checked through measurements in the ReCap file
▪Joists were created as
a Revit Structural
family
Agricultural Training Centre (SUCES) Structural
Model (Autodesk Revit)
58
SUCES Agricultural

▪The model alignment was checked frequently
throughout the building process
▪Walls, windows, and other elements were moved to
improve accuracy and placement
of the building model
Agricultural Training Centre (SUCES) Structural
Model & Point Cloud (Autodesk Revit)
59
SUCES Agricultural

▪After alignment was completed, the final
elements were added and positioned to the
building model, the model was then exported to
an MEP (mechanical, electrical, and
plumbing) file
Agricultural Training Centre (SUCES) MEP
60
SUCES Agricultural

▪Once the model is imported to a systems file, the
structure is no longer editable. All of the systems
can then be added to the file
▪Plumbing systems were the
primary focus for the
model
61
SUCES Agricultural

▪Pipes and sprinklers were placed based off of
measurements in the point cloud within ReCap.
▪The sprinkler element needed to be created
separately as a Revit family file.
Sprinkler Model (Autodesk Revit)
62
SUCES Agricultural
Greenhouse Modelling (MEP)
Sprinkler Model (In Field Photo)

▪ The Revit structural model was imported into Autodesk
Navisworks along with the Revit Systems model
▪ Models were then aligned manually within the software
Agricultural Training Centre (SUCES) Structural Model + MEP Move Command (Autodesk
Navisworks)
63
SUCES Greenhouse
Navisworks Import

▪ After alignment in Navisworks, 3D
renders and virtual walkthroughs
can be created.
Agricultural Training Centre (SUCES) Structural Model + MEP
Interior Rendering (Autodesk Navisworks)
Agricultural Training Centre
(SUCES) Structural Model +
MEP Exterior Rendering
(Autodesk Navisworks)
64
SUCES Greenhouse
Navisworks Import

▪ Order of major areas
modelled:
– Exterior Walls
– Roof
– Chimney
– Minor details
British Style House – Sketchy Line Mode (Autodesk Revit)
65
SUCES English Style House
Modelling

▪Point cloud was overlaid in Revit and the bare
structure was modelled. Clipping box was used
to isolate the data to show the English Style
House
English Style House with point cloud import overlay (Autodesk Revit)
66
Modelling

▪Roof slope was adjusted by aligning it with the
data in a cross section
▪Point cloud
▪Modelled
roof
English Style House with Point Cloud Import Overlay Cross Section (Autodesk Revit)
67
Modelling

English Style House - Exterior Wall Attached to “Top” of Roof (Autodesk Revit)
▪ Walls are attached to the roof after the roof is modelled
▪ Order of clicks
1. Select wall
2. Select command
3. Select roof
4. Repeat for all ext. walls
1
2
3
68
Modelling

Chimney Wall Before (Autodesk
Revit)
▪ Chimney was mapped out with the wall tool and was
adjusted after for the gradual slope from the data
Chimney Wall Being Adjusted to
the Angle from the Point Cloud
(Autodesk Revit)
Chimney Wall After (Autodesk
Revit)
69
Modelling

▪ Wooden Trim was “modeled in place” Extrusion
▪ Measurements were taken from Autodesk ReCap
Point Cloud Data Being Measured
(ReCap)
Mapping Out of Extrusion (Revit)
70
Modelling

▪ “Sweeps” were used throughout the project to achieve
final details of the English Style House
Selection of 3D Edges of
Chimney for the “Sweep
Path” (Revit)
Cross Section Profile Was
Created (Revit)
Finished Chimney Top
(Revit)
71
Modelling

▪Topo creation is created under the
“Toposurface” in Revit
Placing of points by selecting the data (Revit) Another example of how to place points
(Revit)
72
Modelling

White Spheres
Grid lines established (Autodesk Revit)Tea House (SUCES) Point Cloud (Autodesk Revit)
▪Tea House Point Cloud imported into Revit
▪Grid lines established with references to the
Point Cloud
73
SUCES Japanese Style House
Modelling

Creation of wood doors
of the tea house:
1. Image taken from site
inserted into Autodesk
AutoCAD and
replicated.
2. DWG file inserted into
a Revit family template
to create a family then
loaded into the tea
house Revit project.
Japanese Tea House
(SUCES) Door Modelling
(Autodesk AutoCAD &
Revit)
74
Modelling

White SpheresColumns placed in Revit
with references to Point
Cloud
Japanese Tea House
(SUCES) Door Modelling
(Autodesk AutoCAD &
Revit)
75
Modelling

White Spheres
Railing in 3D view (Revit)
Creation of railings:
 Such intricate railings do
not exist within Revit
 Railings were created by
placing columns and
beams in reference to the
point cloud from a section
view
Railing in Cross Section with Point Cloud activated (Revit)
76
Modelling

Creation of trim work:
 Intricate trim work does
not exist within Revit
 Trim work was created
by placing columns and
beams in reference to
the point cloud from a
section view
Trim work placement with Point Cloud activated (Revit)
Completed trim (Revit)
Trim work (ReCap)
77
Modelling

Creation of roof & tiles:
 Dimensions of roof tiles
were recorded in
ReCap
 Then roof tiles were
custom made from a
roof family then
uploaded into Revit.
A view of the roof (ReCap)
Modeling of roof tiles (Revit)
Close up of roof tiles (ReCap)
78
Modelling

White Spheres
Dormer editing (Revit) Creation of dormer grill:
 Dimensions of dormer
grill was recorded in
ReCap
 Dormer grill was then
modelled by wall and
face edit in RevitCompleted dormer (Revit)
View of Dormer (ReCap)
79
Modelling

White Spheres
On-Site Photograph Ray Trace Rendering (Revit)
Visual comparison between on site photography and 3D model
80
Modelling

White Spheres
Final 3D Model (Revit) Point Cloud imported to Revit from Recap (Revit)
On site photo
81
Modelling

White Spheres
All models were exported to STL
(stereolithography) format for 3D printing
82
SUCES 3D Print

We would like to give thanks to our project sponsors, Clint
Kissoon of GBC & Zhu Yingying of SUCES, and all of the
staff and students of George Brown College and SUCES for
making this international collaborative research project
possible! 83
Acknowledgements

84
This would not have been possible without grant
contributions from the Government of Canada
and interest from Industry Partners
Acknowledgements

SUCES Scanning Presentation (2016-10-13)

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