GMP File – What is .gmp file and how to open it?


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GMP File Extension

Global Mapper Package File – file format by Blue Marble Geographics

The GMP (Global Mapper Package File) extension is a geospatial data format used by Blue Marble Geographics’ Global Mapper software. It stores a collection of geospatial data, including maps, layers, and other GIS data, in a single compressed file.

GMP File Format

A GMP file is a proprietary file format developed by Blue Marble Geographics, a company specializing in geographic information system (GIS) software. It is known as a Global Mapper Package File and is primarily associated with the Global Mapper software, a versatile GIS application used for viewing, analyzing, and managing geospatial data. GMP files serve as a compressed package containing various geographic data and resources.

The GMP file format offers a convenient way to archive and share geospatial information. It employs a proprietary compression algorithm to bundle multiple data sources, including raster images, vector layers, databases, and project settings. This comprehensive package ensures that all necessary data is available for further analysis or visualization in Global Mapper. By default, GMP files use the “.gmp” extension, making them easily identifiable on any computer system. However, it’s important to note that GMP files are only compatible with Global Mapper software and cannot be opened or processed by other GIS applications.

GMP File Format and Purpose

GMP files are Global Mapper Package Files, a proprietary format used by the Global Mapper GIS software developed by Blue Marble Geographics. These files encapsulate a collection of geospatial data and associated resources into a single, portable package. They typically contain a combination of vector, raster, and attribute data, along with metadata and project settings. GMP files facilitate the sharing and exchange of geospatial information between users and across different platforms.

Opening GMP Files

GMP files can be opened and manipulated using the Global Mapper software. Upon installation, Global Mapper automatically associates itself with the GMP file extension, allowing users to double-click on the file to launch the program and load the package. Once opened, the GMP file’s contents are accessible within the Global Mapper interface, enabling users to view, edit, analyze, and export the data. Alternatively, users can drag and drop GMP files directly onto the Global Mapper application window to import the package.

The Structure and Usage of GMP Files

Global Mapper Package (GMP) files are a type of compressed archive that combines various geographic data into a single file. They are used to exchange and share geographic information between different software applications and users. GMP files contain a combination of vector, raster, and attribute data, allowing for the seamless integration of different data types within a single file.

The structure of GMP files follows a proprietary format developed by Blue Marble Geographics. They are typically compressed using the ZIP algorithm, making them more efficient for storage and transmission. GMP files can include various metadata, such as georeferencing information, coordinate systems, and projection information, which helps ensure data accuracy and compatibility across different platforms. They also support embedded data, allowing users to include additional files within the package, such as images, documents, or tables, which can enhance the overall usability and functionality of the data.

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