Raster Charts

Electronic marine charts Raster type

True color copy of the official paper chart of national hydrographic offices MapMedia mm3d raster charts are the most reliable. Charts are geo-referenced so you can display your vessel’s position on charts if you use a computer-based navigation system that is connected to your GPS.

Main advantages
  • Similar appearance to marine paper charts.
  • Reliability of true color copy of official hydrographic offices paper charts.
  • Similar appearance to marine paper charts.

Main drawbacks
  • Raster charts appear “grainy” when over zoomed.
  • The depth units cannot be changed.
  • There is no possibility to "hide" information on the map.

For more information on how to choose the best nautical chart for your needs, download our free guide 5 Tips for choosing the best nautical chart.