Bring Lidar in a new light: use of holograms to extend .../media/Files/Pdfs/... · • Introduction...
Transcript of Bring Lidar in a new light: use of holograms to extend .../media/Files/Pdfs/... · • Introduction...
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Bring Lidar in a new light:
use of holograms to extend your
research
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Agenda
• Introduction to Zebra Imaging Technology
• Lidar Value
• Two workflow export for hologram creation
• Demonstration of hologram technology
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Holographic Displays
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Incline
Horizontal
Film-based 3D images made from digital/digitized data, displayed with a simple light
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• Interactive, true-3D
– Reach into the model, walk around
– See the whole design, not just portions
– Full parallax
– Viewable from 360°
• No special equipment
– No glasses or goggles
– No computers or projectors
– No special software
• No special user training
– Easy-to-use
– Closes communications gaps immediately
Zebra Technology - 3D Holographic Prints communicates whole designs in true-3D
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Holographic Imager Systems
M1 Monochrome
• 3 hour production cycle
• 32” x 24” film sheets
• Semi-automated processes,
• High resolution (1mm hogels)
• Monochrome (green) imagery
• Horizontal and vertical formats
• Available today
Copyright 2012 Zebra Imaging. All Rights Reserved.
M2/C1 Color/Monochrome
• <2.5 hour production cycle (faster)
• 36” x 24” film sheets (larger)
• Automated processes, sheet or roll
• Higher resolution (0.7mm hogels)
• Color or monochrome imagery
• Reduced footprint, increased robustness
• Software application plug-in integration
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Key Values of Holographic Displays
• Correct 3D from every vantage point (“full parallax”)
• Wide viewing angle
• Portable, sturdy, and easy to use
• Monochrome or Full Color
• Scalable
• No distortion
• Large depth volume
• Multi-view channel, 3D overlay capability
• Multi-source fusion
• Collection source and software-application independent
Effortless comprehension and common-view collaboration for multiple simultaneous viewers
Dissemination of accurate 3D visuals in intuitively understood formats
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Validated Applications
Military/Law Enforcement
• Planning / After-action
• Situational Awareness
• Training
• Common Operating Picture
• Orientation, interviewing
AEC Visualization
• Geospatial context & Urban Planning
• Pre-schematic concept communication
• Schematic and Detail Design
• BIM Documentation
• Public Communication, Marketing
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Rendering Features
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GIS
Digital Elevation Maps (legacy)
• Geo-referenced
• Triangulated meshes
• Various DTED levels
Point-clouds
• Geo-referenced
• Shaded
• Geo-rectified color/textures
• Variable point sizes, shapes
Point-clouds (object-based)
• Detail and edge-enhanced
• Integrated shading
• Texture mapping
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Detail Enhancement
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Terrain and Textures Edge-enhanced shading, expanded points
Scan data provided by Smart MultiMedia
Scan data provided by Army Geospatial Center
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Dynamic 3D display for interactive graphic-intensive applications
– Easy to see 3D
• No glasses or eye fatigue
• No view-position distortion, flipping, or “sweet spot”
• Correct 3D from every vantage point
• Wide 360o visibility for team/collaborative viewing
– Electronically updated in near real-time
• Compatible with visualization software applications
• “3D Multi-touch” interaction-capable
– Modular & scalable design • Man-portable to > 6x6 feet
• Horizontal, vertical, inclined orientations
Dynamic 3D Display Features
DARPA-Sponsored Development Program initiated 2004
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Bright true-3D images
Text-legible quality
Interactive
3D image volume, extends above & below table surface
Team viewing – wide viewing range enhances collaboration
omni- view
360°
Prototype (simulated image)
Natural 3D (no eyewear), continuous viewing
Photo of actual 3D Image
Zebra Imaging Dynamic 3D Displays
Self-contained table-like format display
1-meter diagonal,12 Tiled Modules
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3D scene data, via Ethernet
3D Display
Self-contained 3D Display
Modules
Application Workstation
Application SW
Zebra software
3D image
3D data
Functional Schematic – Zebra 3D Display
• OpenGL – visualization, GIS • OSG – simulation, virtual words, MMO games • DirectX – Windows-based graphics
Links to software applications based on specific APIs, including:
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Case for Lidar in
holographic display
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LIDAR + Holographic Display Utility Case
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• Come to consensus
• Provide instructional pre-visualization
• Express circumstances and context clearly
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Holographic Displays for Rapid Consensus
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Come to consensus over complex, multi-disciplinary problems (understand the design challenge)
• A problem/change/challenge is encountered
• Engineering, MEP need to avoid defensiveness & put their heads together to discuss, brainstorm solutions
• Finance needs to buy-in on level-of-effort, cost validation, priority
• Client needs to understand the trades, other stakeholders weigh in
• LIDAR acquires “ground truth”
• Comprehensive Holographic Display is produced
• An in-field meeting is called to review
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Holographic BIM-driven Consensus
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LAX-Bradley Terminal Modernization: Baggage Handling Area
• Conveyor system upgrade • Scan called-in late in the project • Project heavy with delays from clashes and interference of systems • Strained relationship between Owner, Architect, GC and Sub-Contractors • 3D scan and model used to indentify and resolve problems with design team.
• Hologram used to relay problems to tradesmen in the field (channeled image as-is to design clashes)
Scan data: Clark-McCarthy / Scott Cedarleaf Joint Venture
LIDAR Scan 3D Modeling
Clashes!
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Holographic Displays instruct and plan
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Provide instructional pre-visualization in an intuitively understood form
• People in complex environments and critical structures need protection and safety
• LIDAR acquires key structures and details
• Way-finding/route-map, or baseline Holographic Displays are produced
• First responders, safety personnel, occupants can study periodically
• Immediate, straightforward consultation in an emergency
• Planners consult for modification, events contingencies
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Holograms for stark visual clarity
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Brunswick, Georgia Hospital storm surge flood models
• County-wide aerial LIDAR acquisition
• Lidar with aerial overlay
• CAT 3, CAT 5 Hurricane storm surge modeling / superposition
• Holographic display and overlay presentation to board, safety personnel
• Modification of safety and evacuation plans
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Holographic Displays make the case
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Express spatially-critical circumstances and context clearly and accurately
• Incident evidence must be archived, analyzed and courtroom -communicated
• LIDAR acquires post-event conditions, locations, dimensions
• Archive, analysis, and evidentiary Holographic Displays are produced
• Forensic specialists make visual consultations for lines-of-sight, burn patterns
• Insurance adjusters retain archives for liability
• A jury clearly understands physical elements critical to the case
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Holograms communicate truth…fast
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Forensic documentation (Structure issues or failure)
• LIDAR acquisition of scene
• Analysis can be applied: line of site, trajectory
• Placement, reconstruction, illustration of critical details
• Possible holographic display to jury or reviewers
• Hopeful for clarity of understanding and judgment
Data provided by Packer Engineering
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Workflow for holographic print Sensor-to-User 3D (Zebra Assembled)
Hologram Production
Utilization Creation, Assembly & Fusion
Collection
Zebra Print Center
Contract/Data Firms
Publish data to hologram production
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Clients
• Data is supplied via secure FTP in a standard format (XYZ, PTC, LAS, VRML, ASCII, etc.)
• Verification renderings/movies are provided via email
• Holographic Display is recorded, laminated, integrated with light (optional) and shipped
Turnaround times in less than 1 week, with rush service available
Zebra/Client
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Workflow for holographic print
Two Export Products
• ZScape Exporter for Esri ArcGIS 10.0 ArcScene ™
– Update of exporter for new Lidar features at 10.1
• ZScape Preview for 3D models
– Existing technology to access point clouds and lidar
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Esri ArcGIS ArcScene – Build 3D project
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Multiple sizes/scales, monochrome or color
ZScape Exporter for ArcScene™ 10.0 Plug-In
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ZScape Exporter for ArcScene™ 10.0 Plug-In
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Previewer rotates hologram data to simulate 3D
ZScape Exporter for ArcScene™ 10.0 Plug-In
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ZScape™ Preview • Standalone package where 3D models (SketchUp,
Microstation, Maya, Revit, 3DS Max )can be imported
• Formats (OBJ, XYZ, PTS, LAS, STL)
• Add texture maps, transparency and other effects from third-
party graphics programs
• Combine point clouds with polygonal models for greater
accuracy
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Zscape Preview
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Hologram Display Demonstration
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