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Thread: IMG from GPX

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    IMG from GPX


    Creating a map based on GPX files for your GPS and for MapSource/BaseCamp on your computer is possible with several existing programs, but it's certainly not easy to accomplish. With IMGfromGPX it's a matter of a few mouse clicks! This program can generate a map with the following features:

    tracks in 8 different colors, as lines or areas;
    POIs divided into different categories;
    POIs are searchable; you can find them in the menu 'Points of interest' (or whatever it is named on your device);
    the map is transparent, which enables you to use it simultaneously with another map.
    Download a sample map with all possible colours and symbols. They can be found in the proximity of 52° N 5° E. You can install the map with JaVaWa GMTK. The same map, ready to go for your device: gmapsupp.img

    System requirements

    This program requires Java version 6 on your computer.
    Windows users can check here whether and which version of Java is installed.

    On the Mac it depends on the version of OS X. When you have Leopard or Snow Leopard and you run Software-update regularly you will have the right version on your Mac.
    Users of Lion can get Java here: Java for OS X Lion 2012-003.
    The version of Java under Tiger is unfortunately not the right one, but on this site Tiger users can acquire a working alternative.

    How does it work?

    You can set a style for POIs and (optionally) a color for tracks for each GPX file. Split your data in separate GPX files when you want to have multiple styles. POIs can be provided with additional information (addresses, phone numbers); the easy way to do this is to use the program POImaker (unfortunately not translated yet; use

    Drag the GPX files containing tracks and/or waypoints to the application window. The list shows the number of tracks and/or waypoints in the file. By clicking in the columns 'poi style', 'poi sub style' en 'track color' you will get a popup menu where you can pick a style or color.

    When you've set all styles and colors, enter a map ID (or Family ID). This map ID needs to be unique; when you already have a map with this ID on your computer the program lets you know this and gives you (Windows only) the option to remove the other map (only the registry entries, not the files).

    Next enter the name of the map (on the computer and on the device they can be different, but you can choose to use the same name twice).

    The display of tracks (color, line width) on the computer/in your device is controlled by a TYP file. A few are included, but you can create your own with a TYP editor. More about this below.

    Finally, click on the button 'Create map'. You have to select the folder where the map files will be placed.

    IMGfromGPX performs a check on the tracks; rack segments shorter than 1 metre will be merged.

    Adding/modifying TYP files

    There are a few TYP files included, but you can add your own TYP files.

    You can create your own TYP filed with the online tool TYP files editor. Use one of the included TYP files as a starting point.

    Display of POIs

    The program includes a large number of POI styles, based on the categories in the Oregon 550 and the zūmo 550. Some might not be available on your device so you have to experiment with it. In MapSource/BaseCamp they become visible only when you zoom in, but you can always find them via search.

    Not all details of the POIs are included in the map, only the name, address and phone number. For instance the content of the comment field is not included.

    Display of tracks

    You can specify a single color for each file, but you can also let the program select a color based on the color you selected for the track in MapSource or BaseCamp. Select {none} in the popup menu to accomplish this.
    Because the number of options is more restricted than with tracks in MapSource/BaseCamp and because the day/night view has to be taken into account a translation is made. See the manual.

    In the popup menu for the track colors you will find some additional options with the suffix 'area'. These options will create transparent areas instead of lines. When you want a border around the areas, add the GPX file twice.
    The automatic color assignment based on the track color does not work with areas.


    This program uses the open source program mkgmap to compile the map, the Mac version also uses Gmapibuilder (open source too) to convert the map into a usable format on the Mac.

    Read the manual before you start.

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