What Are Digital Elevation Models?

What are Digital Elevation Models (and How Are They Used?) Terrain modeling and digital elevation models are critical components in a number of geospatial applications, including site modeling and orthoimagery generation. At CompassData, we generate high-quality terrain models from a number of sources and in a variety of different formats. Digital elevation models from CompassData…

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What is Orthoimagery?

Image Orthorectification At CompassData, one of the many services we provide is imagery orthorectification. Orthoimagery, which is also referred to as orthorectified imagery, is simply remotely-sensed imagery that has been geometrically corrected. This geometric correction, or orthorectification, is required to adjust for lens distortion, camera tilt, and topographical relief. The end result of an orthorectified…

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Interview With CEO Brant Howard at GEOINT 2015

CompassData’s founder and CEO, Brant Howard sat down and spoke with Sanjay Gangal at this years GEOINT in Washington, D.C.  Brant spoke with Sanjay about a variety of topics, including CompassData’s Ground Control Point archive, some of the partners that we’ve worked with such as Hexagon, Quantum, FEMA, Woolpert, and the NGA.  Sanjay and Brant also…

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We’re Climbing Denali!

At CompassData, we are extremely excited to announce our plans to embark on a mission to survey Mount McKinley, also known as Denali– the highest peak in North America. As long as the weather permits us to do so, we expect to gather several hours of GPS survey data from the mountain’s summit during the…

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Welcome To the CompassData Inc. Blog!

Welcome to the official blog for CompassData, Inc.  We will keep this blog up to date with news about our company as well as information on how our services work and how to use the tools associated with our services. We maintain the largest commercially available archive of permanent, photo-identifiable GCPs (ground control points) in the…

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