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Geographic Calculator 2015


The Geographic Calculator is THE Global Coordinate Transformation tool for any coordinate or geomatic challenge. A powerful windows solution with particular strength in survey, seismic and energy exploration, it is available in 32 or 64 bit versions. This highly accurate transformation software includes tools such as Canadian DLS (Dominion Land Survey) Land Grid tools, Seismic Survey Conversion tools, Area of Use tools for guiding users, and much more. The Geographic Calculator supports a wide range of file formats with support from the largest geodetic parameter database available anywhere. When transformations have to be correct, consistent and certifiable, GIS professionals around the world choose the Geographic Calculator.

Geographic Calculator
Geographic Calculator

Geographic Calculator
Land Survey Summary
Land Survey Summary

Land Survey Summary
Datum Shift Map
Datum Shift Map

Datum Shift Map

Since 1993, The Geographic Calculator has been the coordinate conversion tool of choice for GIS and Survey professionals around the world. The Geographic Calculator quickly grew in popularity over that first decade and has maintained its reputation as the best coordinate conversion solution on the market. The Calculator has come a long way since then with many improvements over the years. In 2004, the underlying GeoCalc library was re-written and in 2007 a new version was released as the Blue Marble Desktop.

2013 saw a rebranding of the Blue Marble Desktop to the Geographic Calculator. Blue Marble incorporated all of the functionality of the desktop including the Geographic Transformer, Translator and Spatial Connect products into the Geographic Calculator. This did away with the confusing versioning and introduced an easier-to-follow annual naming convention with one or two service pack updates between releases.

Today the tool provides a single platform for highly accurate coordinate transformation of virtually any type of geospatial data and includes features such as:

  • Support for Windows 8.1 machines and improved installation process
  • XML based coordinate object library
  • Project Manager for data processing, jobs, and workflow management
  • Administrative Tools to customize the datasource and restrict editing access
  • Unmatched Geoid or Vertical Datum support, including VDatum support
  • Powerful Survey Seismic format support
  • Raster Geo-referencing, Reprojecting, and Vector File Translation Tools
  • The ability to customize and send all or part of your GeoCalc datasource to Global Mapper
  • Esri Extension and powerful CAD support

This all-in-one interface enables users to complete a number of geodetic and geospatial transformation functions on various types of data in the same interface with unmatched accuracy and accountability. The enterprise collaboration tools such as workspaces and network folders enable consistency and repeatability of highly accurate data translation across your organization.

The major release of version 2015 featured several powerful enhancements to the Administrative Tools, new support for Magnetic Declination, and new support for Geoid Creation in conjunction with Global Mapper v16. The most recent Service Pack 1 release features enhanced Forward/Inverse distance calculations for added accuracy, HTDP Velocities are now included with output coordinates, support has been added for EPSG History and revision dates to the geodetic datasource, and many new geodetic definitions have also been added. For more details on new features visit our latest changes page.

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Application Features

Geomatics Toolbox

XML Coordinate Database

Powerful Coordinate Transformation

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