Blue Marble Geographics Announces the Release of Geographic Calculator 2020 SP1 with New IOGP Data Model and Online Point-to-Point Calculator


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Hallowell, ME — December 8, 2020 — Blue Marble Geographics® ( announced today the release of Geographic Calculator 2020 SP1 — the leading geodetic software for accurate coordinate conversion and datum transformation.

Geographic Calculator is a powerful geodetic toolkit with particular strength in survey, seismic, and energy exploration. In addition to single point, point database, and file conversion tools, this highly accurate transformation software includes many specialized tools such as Canadian DLS (Dominion Land Survey) Land Grid tools, Seismic Survey Conversion tools, Area of Use tools for guiding users to the most appropriate transformation settings for a specific location, Horizontal Time-Dependent Positioning (HTDP), Geoid Creation tools, and much more.  

The SP1 release of Geographic Calculator 2020 introduces many new features and improvements, including new IOGP data model types for Usage and Scope Objects, Dynamic Datums, and Ensembles. To extend the use of the desktop software, users of Geographic Calculator can now access GeoCalc Online, the cloud-based version of the GeoCalc library, which is available at no extra cost throughout 2021. This convenient cloud-based service includes a new Point-to-Point Calculator offering three geodetic calculation operations: Convert, Forward, and Inverse. Without the need to install software, GeoCalc Online’s Point-to-Point Calculator can be used to conduct basic operations within a browser interface, expanding the reach of GeoCalc to users in the field. The interface is optimized for use on mobile devices and is a great way to perform quality assurance on geodetic data in real-time at the job site.

“This release of Geographic Calculator 2020 SP1 further marks our commitment to staying on the leading edge of geodetics work,” said Sam Knight, Director of Product Management. “Bringing in these latest model updates lays the groundwork for future coordinate systems and the transitions to dynamic modeling of the world. It’s an exciting time to be in geodetics.”

Since 1993, Geographic Calculator has been the coordinate conversion tool of choice for GIS and survey professionals worldwide. The software quickly grew in popularity over that first decade and has maintained its reputation as the best coordinate conversion solution on the market. 

More information about Geographic Calculator 2020 can be found at

ABOUT BLUE MARBLE GEOGRAPHICS: Blue Marble Geographics® is a GIS and geodetic software company that provides cutting-edge yet accessible products designed for both novice and experienced geospatial professionals. For nearly three decades, the company’s products have been used and trusted by organizations around the globe — including government agencies, universities, and Fortune 500 companies.

Blue Marble’s expertise spans a broad spectrum of the geospatial technology sector with a particular focus on coordinate conversion, lidar and photogrammetric point cloud processing, geospatial software development, and user-driven product development.

Blue Marble’s products include Geographic Calculator®, the industry standard for precise spatial data conversion and advanced coordinate system management; Global Mapper®, an all-in-one GIS application with a comprehensive array of data processing and analysis tools; and the Global Mapper Lidar Module®, a suite of powerful tools for editing and processing lidar and photogrammetric point clouds from drone-captured images. All of these desktop tools are also available as software developer toolkits and libraries.

Contact Information:

Cíntia Miranda, Director of Marketing

Blue Marble Geographics

Hallowell, ME, USA


+1(207) 622-4622 ext. 1132

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