3D Laser Scanning
Company Profile
Direct Dimensions is dedicated to tackling the most difficult challenges with the most advanced 3D technologies
available. Direct Dimensions’ staff has the tools and
experience to provide optimal solutions for any scale, from microns to meters.
History
Direct Dimensions was founded in 1995 to provide 3D solutions to the aerospace industry. Since then, we have expanded to 25 employees and have completed over 5000 projects for automotive, industrial, medical, preservation, consumer product, and architecture clients.
Staff
Direct Dimensions scanning technicians have worked in every environment from jungle to city center to boiler-room basements using a variety of scanning and digitizing
Services
Direct Dimensions provides a wide variety of services: • Laser Scanning • Digitizing • Reverse Engineering • Digital Modeling • Inspection/Analysis • Replication • Visualization/Animation • Product Representation • Training and Support
Industries
Aerospace Consumer Products
Automotive Film Mechanical Design Medical Art/Sculpture Archaeology Building/Facilities
Client List
Laser Scanner
Target
“Time of Flight”
accurately determines
targets position in 3D
Space
Laser Outbound To Target
Laser Return Flight
Products
Direct Dimensions is also a re-seller of a range of 3D solutions: Scanners/Digitizers
Products
Choosing a Laser Scanner
Feature Size
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Resolution (inches)
Close-up Detail 0-6 in Artistic detail, Bas relief 5-50 cm Arch detail, sculpture 25 cm – 2 m Rooms, Large sculpture 2 m + Buildings, Landscapes 10 m + 0.008 0.016 .025 0.04 0.08 0.25 .5 1 = relative volume measurementtt structured light laser line scannerwide laser line scanner mid-range spherical laser scanner long-range spherical laser scanner
Increasing point spacing
In cr e a si n g s p e e d
Digitizers
Portable Arm Probes• Range = 0 to 2 meters • Accuracy = +/- .024 mm • Ideal Applications • Automotive Parts • Aerospace Parts • Power Generation • “Geometric” Shapes
Laser Scanners
Portable Arm Scanners• Range = 0 to 2 meters • Accuracy = +/- .035 mm • Ideal Applications • Dimensional Analysis • Cad-based Inspection • Alignment • “Organic” Surfaces • Reverse Engineering
Laser Scanners
CMMCoordinate Measure Machine
• Range = 0 to ? meters • Accuracy = +/- .02 mm • Ideal Applications • Dimensional Analysis • Cad-based Inspection • Alignment • Reverse Engineering
3D Scanner
Structured Light• Range = .6 to 2 meters
• Accuracy = as low as .005 mm • Ideal Applications
• Small area inspection • Miniature sculpture • Intricate parts
Laser Scanner
Patch Scanners • Range = .5 to 5 meters • Accuracy = as low as .04 mm • Ideal Applications • Sculpture • Face/Body • Vehicle partsHemispherical Scanners
Phase-Based • Range = .5 to 120 meters • Accuracy = as low as 1 mm • Ideal Applications • Buildings • Vehicles • Large Sculpture • Bridges • “Overall” scansProducts
Laser Scanning
Benefits
Speed
Laser Scanning
Benefits
Hand Tape Total Station GPS Laser Scanning100s of points per day
500+ points per day
1000+ points per day
100,000+ points per second
multiple personnel
1 or 2 personnel
1 or more personnel
Speed
Laser Scanning
Benefits
Accuracy
Laser Scanning
Benefits
Anywhere from 5 microns (1/20 the thickness of an average sheet of paper) to 1 cm (for large volume scanning).
Safety
Laser Scanning
Benefits
Laser scanners can be operated remotely, allowing personnel to remain safely on the ground.
Safety
Laser Scanning
Benefits
Laser scanning is a non-contact measurement system. Features can be recorded without disturbing fragile material.
On site access
Laser Scanning
Benefits
Building Scanning
• Architectural
• Historical
• Mechanical
Existing Conditions
Existing Conditions
Existing Conditions
Existing Conditions
3D
New VA Medical Center; Phase 4
Las Vegas, NV; January 2009 Client: Clark Construction
Scope of Work:
• Direct Dimensions Inc. (DDI) digitally scanned nine rooms of the newly constructed VA Medical Center
located in Las Vegas, NV.
• Two DDI technicians, 4 days on site
• DDI utilized the acquired scan data to create as-built surface models suitable for importation into client’s
Navisworks software.
• Scan data accuracies of +/- 0.25” were achieved for this project
Existing Conditions
Existing Conditions
Existing Conditions
Revit
Holzapfel Hall University of Maryland College Park, MD Scope of Work:• Direct Dimensions Inc. (DDI) digitally scanned the complete interior and exterior of Holzapfel Hall.
• 100 + rooms
• 334 scans
• Two DDI technicians, 3 days on site
• Work completed while building fully furnished and operational
Existing Conditions
Revit - 2D
West Section South Elevation (shaded)
Existing Conditions
Revit - 3D
Point Cloud Extracted CADPoints and
Rendered Shaded CAD
Historic Applications
Construction History
Historic Applications
Construction History
Nail Location
3D model Digital image
Ortho-rectified image
Historic Applications
Feature Replication
Monumental Church Richmond, VA
Historic Applications
Historic Applications
Historic Applications
MEP
MEP
Existing SystemMEP
System AdditionMEP
System AdditionMEP
Civil Applications
Civil Applications
Civil Applications
Landscape
Civil Applications
3.72mm
