Convert GMC to ADRG

Understanding gmc and adrg file formats

GMC files are typically associated with Game Music Creator or other niche applications, often containing music or data for specific software. On the other hand, ADRG files refer to Arc Digitized Raster Graphics, a format used in digital cartography for storing raster map images, commonly used in GIS (Geographic Information Systems) and mapping applications.

Why convert gmc to adrg?

Converting a GMC file to ADRG is an unusual request, as these formats serve very different purposes—one for music/data and the other for raster graphics. However, if your GMC file contains map or image data (not music), you may need to convert it to ADRG for use in GIS software or digital mapping systems.

How to convert gmc to adrg

There is no direct, one-step converter for GMC to ADRG due to their different natures. If your GMC file contains image or map data, follow these steps:

1. Extract the image or map data from the GMC file using the original software (such as Game Music Creator or the application that created the GMC file). Export the data to a common raster format like TIFF or BMP.
2. Convert the exported image to ADRG format using specialized GIS software.

Recommended software for conversion

• Global Mapper: This powerful GIS tool supports a wide range of raster formats, including ADRG. You can import your raster image (e.g., TIFF) and export it as ADRG via File → Export → Export Raster/Image Format → ADRG.
• GDAL (Geospatial Data Abstraction Library): An open-source library and command-line tool that can convert between many raster formats. Use the gdal_translate command to convert a TIFF or BMP to ADRG.

Step-by-step conversion process

1. Open your GMC file in the original application and export the image/map as a TIFF or BMP file.
2. Open Global Mapper and import the exported image.
3. Go to File → Export → Export Raster/Image Format → ADRG and save your file.
4. Alternatively, use GDAL with the command:
   gdal_translate -of ADRG input.tif output.adf

Conclusion

While direct conversion from GMC to ADRG is not possible, extracting the image data and using GIS tools like Global Mapper or GDAL allows you to achieve the desired result.