3DS Surveying & Photogrammetry



Innovation		Contact Us Tallahassee 850.385.1133 Fax 850.385.1236 Pensacola 850.434.7600 Fax 850.434.7613 Atlanta 678.296.6575 Fax 770.234.5314



	3DS takes pride in using innovative new methods and technologies in the mapping industry. Photogrammetry and LiDAR are two good examples of the new methods we have integrated into our collective skillset. PHOTOGRAMMETRY How does photogrammetry work? Photogrammetry is a photographic technique which gives measurements of the land from photographs taken from the air. Through a series of precise mathematical calculations, the photographs can be analyzed by computer to produce extremely accurate maps and measurements. Our experience with Photogrammetry In 2003, with the expansion of acquiring Southeast Geomatics, we increased our ability to provide Photogrammetry services in the Southeast. 3DS has personnel who have participated on many Photogrammetry mapping projects, including GDOT road projects since the early 1990's. Our personnel have participated in mapping for the City of Atlanta drainage basins, land development projects, ALTA surveys and many other types of mapping and transportation projects. Projects are executed on first order photogrammetric equipment made by Ziess and software by Intergraph. Deliverables are provided in CAiCE, MicroStation, AutoCAD, DXF and Arcinfo. Recent jobs include: Knight's Creek, Valdosta, GA - January 2007 SR 41 Bridge Replacement, Meriwether County, GA - January 2007 I-75 HOV Lanes, Clayton County, GA - February 2007 Buford Hwy, Forsyth County, GA - March 2007 Callaway Gardens, Harris County, GA - March 2007 Gilbert Rd, Forsyth County, GA - March 2007 Hwy 237 and Hwy 141, Buckhead Place, GA - March 2007 Old Alabama Rd, Fulton County, GA - March 2007 SR 26, Bulloch County, GA - March 2007 Hwy 400/SR 53, Dawson County, GA - April 2007 Muscogee Rd, Escambia County, FL - April 2007 SR 81/SR 11/SR 53, Barrow County, GA - April 2007 City of Tennille, Tennille, GA - May 2007 Jiles Rd, Fulton County, GA - May 2007 SR 26 and US 80, Bulloch County, GA - May 2007 SR 23 and SR 212, Metter, GA - June 2007 Bethlehem Church Rd and I-85, Coweta County, GA - July 2007 City of Hahira, Lowndes County, Ga - July 2007 Route 78, Walton County, GA - July 2007 SR 280, Cobb County, GA - August 2007 City of Ft. Valley, Peach County, GA - September 2007 Hurst Hammock, Escambia County, FL - September 2007 SR 204, Chatham County, GA - September 2007 North Avenue, Fulton County, GA - October 2007 Six Flags Drive, Cobb County, GA - October 2007 I-20, Augusta, GA - November 2007 Old Hwy 41, Cobb County, GA - November 2007 Route 42, Henry County, GA - November 2007 Hwy 92, Paulding/Cobb County, GA - December 2007 Jamerson Rd, Cobb County, GA - January 2008 Sandersville, Washington County, GA - January 2008 SR 44, Greene County - February 2008 Atlanta Zoo, Fulton County, GA - March 2008 West Sandtown Rd, Cobb County, GA - March 2008 Big River Industries, Sumter County, AL - April 2008 Big Springs Rd., Gordon County, GA - April 2008 Georgia Port Authority, Savannah, GA - April 2008 Alys Beach, Panama City, FL - May 2008 Jonesboro Rd, Clayton/Henry County, GA - May 2008 Briarcliff Apts, Live Oak, GA - June 2008 Hwy 316, Gwinnett County, GA - June 2008 I-75, Barrow, Cobb, & Clarke Counties - June 2008 State Road 384, Habersham County, GA - June 2008 Hwy 316, Oconee & Clark Counties - July 2008 Barracks, Ft. Benning, GA - August 2008 Panama City Area, Bay County, FL - November 2008 Hardy Anders Field, Natchez, MS - December 2008 SR 9, Alpharetta, GA - December 2008 LiDAR LiDAR Mapping (Helicopter, Fixed Wing) LiDAR stands for Light Detection and Ranging, and is also known as Airborne Laser Swath Mapping (ALSM) or laser altimetry. LiDAR is an optical remote sensing technology which uses an airborne scanning laser to produce detailed topographic surveys. LiDAR can accurately measure the topography of the ground, even where overlying vegetation is quite dense. LiDAR uses a laser pulse to determine distances by measuring the time delay between its transmission and reflection. This same technology has been used to create maps of Mars, the Grand Canyon, and the ocean floor. Shown below are some of the images we have obtained through LiDAR imaging. LiDAR image A LiDAR image B LiDAR image C For a thorough list of surveying terms and practices, visit our glossary.