How to Create Custom Garmin Maps Using Google Earth and cGPSmapper

Are you tired of using generic maps on your Garmin device? Do you want to create custom maps that are tailored to your specific needs or preferences? If so, you're in luck. With the right tools and software, you can create your own custom Garmin maps using Google Earth and cGPSmapper.

cGPSmapper is a program that converts textual presentations of Garmin maps into binary map files. However, it cannot read OSM (OpenStreetMap) files directly. To overcome this limitation, you'll need to use MapCenter, a web interface to cGPSmapper.

MapCenter allows you to convert OSM data into Garmin map image files using Mkgmap, an Open Source Java program developed specifically for this purpose. Alternatively, you can also use GPXSee, an Open Source map/GPS log file viewer with support for Garmin IMG maps, or QLandkarte, an Open Source program to display and work with Garmin maps.

One of the benefits of creating custom Garmin maps is that you can include POIs (Points of Interest) from OSM along with your maps. This allows you to mark specific locations, such as restaurants, gas stations, or tourist attractions, making it easier to navigate unfamiliar areas.

Another advantage of creating custom maps is that you can convert MapSource format maps to Mac OS X format using cGPSmapper. This makes it possible to use these maps on both Windows and Mac devices.

If you already have an existing gmapsupp.img file, you can also use cGPSmapper to work with it. The program allows you to edit the map data and convert it into a variety of formats, including IMG files that are compatible with Garmin devices.

Creating your own custom maps from OSM data is a straightforward process. Simply download the necessary software and follow these steps:

1. Download the latest version of cGPSmapper and MapCenter.

2. Use Google Earth to export your desired map area as an OSM file.

3. Upload the OSM file to MapCenter and convert it into a Garmin map image file using Mkgmap.

4. Use cGPSmapper to edit the map data and customize it to your preferences.

5. Download the final map file and transfer it to your Garmin device.

Creating custom Garmin maps using Google Earth and cGPSmapper may take some time and effort, but the end result is well worth it. With a custom map, you'll have greater control over the information that's displayed on your device, making navigation easier and more enjoyable. So why not give it a try? With these tools and software, you can create a custom Garmin map that meets your specific needs and preferences.

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