rtc 2016 -_landair_surveys_-_laser scanning_-_from_field_to_revit
TRANSCRIPT
Laser Scanning: From Field to Revit
Erik Birzulis & Gregg FranzLandair Surveys
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Agenda• Introduction• Laser scanning: what and how• Recap: the middleman (example project
Adelaide Brickworks)• Importing and then working in Revit• Plug-Ins for modelling (example project
Queensland quarry)• Case studies
What Is Laser Scanning?
Total Station vs Laser ScannerLaser Scanner 1 hour fieldTotal Station 4 hour. Office 4 hours
Total Station vs Laser ScannerOffice 4 hours from laser scanning data
Why Use a Laser Scanner• Rapid data collection = minimal site disruption• Save money. All visible features measured first time, call
backs almost eliminated• Minimise your risk• Design with confidence• (get a complete photographic record as bonus)
Why Use a Laser Scanner
Point Cloud from One StationRaw Point Cloud Cleaned Point Cloud
RegistrationTarget Combined Point Cloud
Georeferencing
Adelaide Brickworks Project
Adelaide Brickworks Project
Adelaide Brickworks Project
Adelaide Brickworks Project
Point Cloud video
Sometimes Things Don’t Quite Work Out
You Have a Point Cloud, Now What?
• Point clouds are massive: 1.5GB small job to hundreds of GB
• RCS Recap Scan File• RCP Recap Project File
Recap
• Clean data• Clipping Box, Region
segmentation• Regions < 500MB
Recap Demo
• Live demo
Importing to Revit
Regions
Regions
Regions
Long Section to Set Levels
Long Section to Set Levels
Long Section to Set Levels
In place component used to document trusses
Massing used to document major forms
Massing used to document major forms
Revit Model
QA Report
John Fawkner Hospital
John Fawkner Hospital
The Mint Point Cloud
The Mint Model
Plug-Ins for ModellingDo you need to model?• Dimensioning• Presentation• Clash Detection• Visualisation
If modelling try:• Clearedge Edgewise• Imaginit Scan to BIM• Leica Cloudworx for Revit
Clearedge Edgewise
ProcurementScanning• Functional Performance
requirement• Resolution of measurement• Accuracy• Quality Control
Modelling• Level of detail
(development) to model LOD
• Accuracy of model to point cloud
BIM Forum Level of Development Specification
Conclusion• Many benefits of using point clouds• Point cloud data via Recap into Revit• Segment data• Data management• Do you need to model?• Model using just Revit or plug ins
Erik BirzulisLandair Surveys
Questions? . . .
S3.1 Laser Scanning: From Field to Revit
[email protected] 348 538