Rtc 2016 -_landair_surveys_-_laser scanning_-_from_field_to_revit
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Transcript of Rtc 2016 -_landair_surveys_-_laser scanning_-_from_field_to_revit
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Laser Scanning: From Field to Revit
Erik Birzulis & Gregg FranzLandair Surveys
Insert Company logo
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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
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What Is Laser Scanning?
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Total Station vs Laser ScannerLaser Scanner 1 hour fieldTotal Station 4 hour. Office 4 hours
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Total Station vs Laser ScannerOffice 4 hours from laser scanning data
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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)
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Why Use a Laser Scanner
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Point Cloud from One StationRaw Point Cloud Cleaned Point Cloud
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RegistrationTarget Combined Point Cloud
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Georeferencing
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Adelaide Brickworks Project
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Adelaide Brickworks Project
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Adelaide Brickworks Project
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Adelaide Brickworks Project
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Point Cloud video
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Sometimes Things Don’t Quite Work Out
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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
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Recap
• Clean data• Clipping Box, Region
segmentation• Regions < 500MB
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Recap Demo
• Live demo
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Importing to Revit
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Regions
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Regions
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Regions
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Long Section to Set Levels
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Long Section to Set Levels
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Long Section to Set Levels
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In place component used to document trusses
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Massing used to document major forms
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Massing used to document major forms
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Revit Model
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QA Report
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John Fawkner Hospital
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John Fawkner Hospital
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The Mint Point Cloud
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The Mint Model
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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
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Clearedge Edgewise
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ProcurementScanning• Functional Performance
requirement• Resolution of measurement• Accuracy• Quality Control
Modelling• Level of detail
(development) to model LOD
• Accuracy of model to point cloud
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BIM Forum Level of Development Specification
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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
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Erik BirzulisLandair Surveys
Questions? . . .
S3.1 Laser Scanning: From Field to Revit
[email protected] 348 538