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Geospatial SolutionsOrthophotography

Why an Orthophoto?

PROJECTS

Valdez Marine Terminal: Orthophotography shows the terminus of the

800-mile Trans-Alaska Oil Pipeline.

Chicago O'Hare International Airport:High resolution orthophotography.

O’Hare Bypass:Orthophotography, mapping,

site documentation and monitoring.

OrthophotographyAerial images contain detailed information on terrain and ground conditions. Before they can be used as a planning, design and monitoring tool, however, one must digitally transform each pixel in the image so that its scale and position is corrected to account for lens projection, elevation, and camera tilt distortions. This transformation is the digital orthophoto process.

The AeroMetric AdvantageAeroMetric will tailor the orthophoto process to meet your specific project requirements, while maintaining the quality of each acquisition and production step. We will select the most appropriate fixed or rotary wing platform from our fleet of aircraft, and employ the most suitable camera—digital or film—each time adjusting the process and technology mix. This will provide you with consistently superior deliverables, each with the precise resolution and consistent image quality to meet your needs. Discover the AeroMetric advantage—attentive client communication, conscientious project management, and production team processes that lead to reliable, on-target deliverables.

At the Forefront of Technology AeroMetric was a pioneer in the development of digital orthophotography processes and automation. Today, we remain at the forefront of technology, evaluating the latest methodologies, and selecting from the best in class software, in order to provide the highest quality geospatial services to our clients.

Six-inch digital orthophotography of DuPage County, IL

8 0 0 . 5 5 8 . 6 7 0 7Contact us at

Orthophotography

ORTHSS-120528

www.aerometric.com/orthophotography

ACCURACY ANDRESOLUTION One of the hallmarks of AeroMetric is our attention to quality—achieved by

working with each client to ensure that project expectations are well understood and consistently met. Your orthophotos will be processed to the resolution and horizontal accuracy required by your project.

1-Foot Orthophotography

One foot resolution is best suited to detect linear features and larger objects, and is typically associated with 5-foot contour topographic mapping.

Visible featuresAirfield - runway edges and stripingBuilding outlines - large structuresCoastal boundariesHigh voltage transmission towersMine and landfill marginsRiver and lake banksRoadways - edges of highways and arterialsVegetation and forest boundaries

Common applicationsAirfield obstruction studiesEmergency responseEnvironmental studiesFlood controlImpermeable area tax assessmentsNatural feature delineationPreliminary engineeringPlanningStatewide and countywide data

Six inch resolution is suitable for most applications and is typically associated with 2-foot contour topographic mapping.

Visible featuresBuilding rooftop equipmentResidences - single familyRiver and lake featuresRoadway - edge definition Roadway - central stripingTrailsUtilities - larger features such as manholes

Common applicationsFloodplain modelingPreliminary design Rooftop feature mappingSteep slope contours

Three inch resolution reliably detects smaller features and objects. This resolution is used in engineering applications, and is typically associated with 1-foot contour topographic mapping. Visible featuresBridge and ramp detailPoles - light and powerRoadway curbs, gutters drainage featuresStriping in parking lotsTraffic signalsUtility assets - hydrants, standpipes and small features

Common applications3D modeling applicationsBase mapsCity and municipal infrastructure GISCritical area studiesEngineering designHabitat monitoringRoadway - crack repair detectionUtility inventories

3-Inch Orthophotography

Resolution—also known as Ground Sampling Distance—is the measure of each image

pixel on the ground. In a 3-inch orthophoto, each pixel in the image represents three inches on the ground.

6-Inch Orthophotography

Aero-Metric, Inc., (AeroMetric) is a full-service geospatial solutions company built on over eight decades of consistent, quality service and enduring client relationships. The firm offers a comprehensive range of on-target geospatial solutions including the latest in photogrammetric, LiDAR, satellite and airborne imaging technology, and has earned a reputation for technical excellence, superior service, and on-time, on-budget delivery.