Precise coordinate transformation for geodetic software developers

Download GeoCalc SDK

For more information on products and pricing, please contact us using the information below the list of download items.

Java native interface wrapped versions of the C++ libraries are available upon request.
Please contact sales@bluemarblegeo.com for more information.

GeoCalc Windows C++ Angle right

GeoCalc 9.2 for Visual Studio 2022

Size:82MB
Date:01/17/2024

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 9.2 for Visual Studio 2019

Size:82MB
Date:01/17/2024

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 9.1 for Visual Studio 2022

Size:82MB
Date:08/22/2023

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 9.1 for Visual Studio 2019

Size:82MB
Date:08/22/2023

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 9.0 for Visual Studio 2022

Size:76MB
Date:03/30/2023

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 9.0 for Visual Studio 2019

Size:76MB
Date:03/30/2023

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 8.2 for Visual Studio 2019

Size:180MB
Date:01/19/2022

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 8.2 for Visual Studio 2017

Size:181MB
Date:01/19/2022

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 8.1 for Visual Studio 2019

Size:179 MB
Date:05/21/2021

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 8.1 for Visual Studio 2017

Size:179 MB
Date:05/21/2021

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 8.1 for Visual Studio 2015

Size:180 MB
Date:05/21/2021

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 8.0 for Visual Studio 2019

Size:135.69 MB
Date:01/05/2021

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 8.0 for Visual Studio 2017

Size:136.29 MB
Date:01/05/2021

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 8.0 for Visual Studio 2015

Size:136.52 MB
Date:01/05/2021

This product is a C++ dll, and ships without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc.NET Angle right

GeoCalc 9.2 Fully Managed .NET

Size:65.5MB
Date:01/17/2024

This product downloads without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 9.1 Fully Managed .NET

Size:65MB
Date:08/22/2023

This product downloads without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 9.0 Fully Managed .NET

Size:61.8MB
Date:01/18/2023

This product downloads without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 8.2 Fully Managed .NET

Size:153MB
Date:01/19/2022

This product downloads without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 8.1 Fully Managed .NET

Size:153 MB
Date:05/21/2021

This product downloads without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

GeoCalc 8.0 Fully Managed .NET

Size:115.51 MB
Date:01/05/2021

This product downloads without a developer license. You may obtain either a temporary evaluation license or a full license by contacting sales@bluemarblegeo.com.

Sample Code Angle right

GeoCalc 8.0 MFC Sample Code

Size:25.22 MB
Date:01/08/2021

A C++ MFC sample that demonstrates the use of GeoCalc C++.

GeoCalc 7.3 MFC Sample Code

Size:50.45 MB
Date:07/07/2020

A C++ MFC sample that demonstrates the use of GeoCalc C++.

.NET Sample Code Angle right

GeoCalc 9.1 Fully Managed .NET Sample Code

Size:24.6 KB
Date:08/22/2023

A simple C# project that loads a DataSource and then allows the user to preform coordinate transformations. Before getting started the user must follow the steps outlined in GeoCalcFM’s help file to add a DataSourceComponent. This sample code now uses WPF dialogs.

GeoCalc 8.2 Fully Managed .NET Sample Code

Size:16.6 KB
Date:09/15/2022

A simple C# project that loads a DataSource and then allows the user to preform coordinate transformations. Before getting started the user must follow the steps outlined in GeoCalcFM’s help file to add a DataSourceComponent.

GeoCalc 7.4 Fully Managed .NET Sample Code

Size:16.88 KB
Date:07/07/2020

A simple C# project that loads a DataSource and then allows the user to preform coordinate transformations. Before getting started the user must follow the steps outlined in GeoCalcFM’s help file to add a DataSourceComponent.

GeoCalc.NET 7.4 Fully Managed VB Sample Code

Size:9.97 KB
Date:07/07/2020

A simple VB project that loads a DataSource and then allows the user to select a Geodetic Coordinate System and a Projected Coordinate System. Then they user can perform a conversion from the Geodetic one to the Projected one. Before getting started the user must follow the steps outlined in GeoCalc.NET’s help file to add a DataSourceComponent.

GeoCalc.NET 7.3 Simple C++ Sample Code

Size:14 KB
Date:07/07/2020

A simple C++ project that loads a DataSource and then allows the user to select a Geodetic Coordinate System and a Projected Coordinate System. Then they user can perform a conversion from the Geodetic one to the Projected one. Before getting started the user must follow the steps outlined in GeoCalc.NET’s help file to add a DataSourceComponent.

Data and Shift Files Angle right

Australian Geoid 98 Vertical Shift Files

Size:9.26 MB
Date:07/07/2020

In order to perform vertical datum transformations for Australian Geoid 98, you must first download these vertical shift files.

Australian Geoid 09 Vertical Shift Files

Size:23 MB
Date:07/07/2020

In order to perform vertical datum transformations for Australian Geoid 09, you must first download these vertical shift files.

Canadian Geoid Models

Size:53.35 MB
Date:07/07/2020

These grids contain the the CGG2000, GSD95 and HRG01 height models defined for Canada by National Resources Canada. These are used to derive heights for the Candian Geodetic Vertical Datum of 1928 (CGVD28.)

Canadian Geoid of 1995 Vertical Shift Files

Size:5.03 MB
Date:07/07/2020

In order to perform vertical datum transformations for the Canadian Geoid of 1995, you must first download these vertical shift files.

CARIB97 Geoid Model

Size:1.69 MB
Date:07/07/2020

The CARIB97 model is a high resolution gravimetric geoid height model covering the region 9-28N, 86-58W. It was computed in a cooperative effort with the National Geospatial-Intelligence Agency (NGA) formerly known as the National Imagery and Mapping Agency (NIMA). All computations were performed in the ITRF94(1996.0) reference frame.

Danish Vertical Height Model

Size:4.27 MB
Date:07/07/2020

In order to perform vertical datum transformations with the Danish Vertical Height Model of 1990, you must first download these shift files.

Dutch Geoid Model of 2004 Vertical Shift Files

Size:4.18 MB
Date:07/07/2020

In order to perform vertical datum transformations for Dutch Geoid Model of 2004, you must first download these vertical shift files.

EGM 08 (Based on a 1' Grid) Vertical Shift

Size:799.79 MB
Date:07/07/2020

In order to perform vertical datum transformations for EGM 08 (Based on a 1′ Grid), you must first download these vertical shift files.

EGM 08 (Based on a 2'5 Grid) Vertical Shift

Size:134.34 MB
Date:07/07/2020

In order to perform vertical datum transformations for EGM 08 (Based on a 2’5 Grid), you must first download these vertical shift files.

EGM96 Height Model Files

Size:1.53 MB
Date:07/07/2020

In order to perform vertical datum transformations with the Earth Geopotential Model of 1996 (EGM96), you must first download these files.

France and Corsica Geoid Models of 2009 Vertical Shift Files

Size:4.38 MB
Date:07/07/2020

In order to perform vertical datum transformations with the France and Corsica Geoid Models of 2009, you must first download these files.

GEOCOL04 Height Model Files

Size:679.77 KB
Date:07/07/2020

In order to perform vertical datum transformations with the Colombia Geoid Model of 2004 (GEOCOL04), you must first download these files.

Geoid 03 Vertical Datum Grid Files

Size:31.06 MB
Date:07/07/2020

In order to perform vertical datum transformations with Geoid 03 (other than Local Ellipsoid Height transformations), you must first download these grid shift files.

Geoid 09 Vertical Datum Grid Files

Size:43.11 MB
Date:07/07/2020

In order to perform vertical datum transformations with Geoid 09 (other than Local Ellipsoid Height transformations), you must first download these grid shift files.

Geoid 94 & 96 Vertical Datum Grid Files

Size:10.11 MB
Date:07/07/2020

In order to perform vertical datum transformations with Geoid 94 & 96 (other than Local Ellipsoid Height transformations), you must first download these grid shift files.

Geoid 99 Vertical Datum Grid Files

Size:42.73 MB
Date:07/07/2020

In order to perform vertical datum transformations with Geoid 99 (other than Local Ellipsoid Height transformations), you must first download these grid shift files.

Iberian Geoid Model of 1995 and Iberian Gravimetric Model of 2005 Vertical Datum Grid Files

Size:930.86 KB
Date:07/07/2020

In order to perform vertical datum transformations with the Iberian Geoid Model of 1995 or the Iberian Gravimetric Model of 2005, you must first download these files.

MEXICO97 Geoid Model

Size:6.37 MB
Date:07/07/2020

The MEXICO97 model is a high resolution gravimetric geoid height model covering the region 14-33N, 119-86W. This 2′ geoid height grid for Mexico, and North-Central America, is the MEXICO97 geoid model.

NTF to RGF93 Grid Shift Files

Size:233.61 KB
Date:07/07/2020

In order to perform the NTF to RGF93 grid shift, you must first download these files.

Ohio State University Geoid of 1991 Vertical Shift Files

Size:7.73 MB
Date:07/07/2020

In order to use the Ohio State University Geoid of 1991, you must first download these files.

Ordnance Survey National Grid Transform Grid Shift Files

Size:3 MB
Date:07/07/2020

In order to use the Ordnance Survey National Grid Transform of 2002, you must first download these files.

OSGM02 Vertical Datum Grid Files

Size:3.32 MB
Date:07/07/2020

In order to perform vertical datum transformations with OSGM02 (other than Local Ellipsoid Height transformations), you must first download these grid shift files.

South Africa Geoid Model of 2010 Vertical Shift Files

Size:4.59 MB
Date:07/07/2020

In order to perform vertical datum transformations for the South Africa Geoid Model of 2010, you must first download these vertical shift files.

Tokyo to JGD2000 Grid Shift Files

In order to perform the Tokyo to JGD2000 grid shift, you must first download these files.

Please Note: Some local grid shift files are not freely available. In these cases, you will need to contact your local government authority to discuss licensing that dataset. Once the dataset(s) have been licensed, they can be used in the Geographic Calculator and GeoCalc libraries.

Legacy Version and Authorization Policy

Please review our Legacy Version and Authorization Policy here.

Contact Information

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Blue Marble Geographics
22 Carriage Lane
Hallowell, Maine 04347 U.S.A.

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