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Working with Point Clouds in MicroStation and Descartes
Presented by Jack Riley
MACC Summer Conference
2015
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► Using point clouds in MicroStation
• Basic point cloud tools
• McCoy House wall deviation
► Using point clouds in Descartes
• Advanced tools
► Drape Element
► Fit Cylinder
► 3D Line Following
► Templates and Modeling
Agenda
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► Clipping
► Presentation
• RGB
• Intensity
• Elevation
• Classification
• Elevation and Intensity
• Classification and Intensity
MicroStation Point Cloud Tools
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► McCoy House
(http://www.owensmccoyhouse.com/)
• Historical house built in 1840
• Known structural issues addition
• Scanned exterior with a Faro Focus
• Used Microstation to show elevation bases on ACS to
show deviation in walls
MicroStation Point Cloud Tools (Cont.)
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MicroStation Point Cloud Tools (Cont.)
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MicroStation Point Cloud Tools (Cont.)
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► Visual Explorer
• Flashlight Mode – Provides a perception of depth
► Highlighted area is larger the further away the cursor
is
• Cross Section Mode – Uses a 3D cylinder to highlight
points
Using Point Clouds in Descartes
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► 3D Line Following
• Used to trace things such as striping
• Designed to be used with Intensity Presentation Style
Using Point Clouds in Descartes (Cont.)
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► Snap Element
• Used to snap an existing element to a point cloud
• Works similar to Drape tool but does not add vertices
based on points
Using Point Clouds in Descartes (Cont.)
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► Fit Cylinder
• Used to fit a cylinder to a point cloud
• Typically used for extracting pipes
Using Point Clouds in Descartes (Cont.)
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► Model by Section
• Create section
• Create template
• Place template at each section interval
Using Point Clouds in Descartes (Cont.)
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