"SfR Fresh" - the SfR Freeware/Shareware Archive

Member "gpsdrive-2.10pre6/Documentation/README.lib_map" of archive gpsdrive-2.10pre6.tar.gz:

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    1 
    2 top_* world files use the following world file format:
    3 
    4 5.000000000000  (size of pixel in x direction)
    5 0.000000000000  (rotation term for row)
    6 0.000000000000  (rotation term for column)
    7 -5.000000000000  (size of pixel in y direction)
    8 492169.690845528910  (x coordinate of upper left of upper left pixel)
    9 5426523.318065105000  (y coordinate of upper left of upper left pixel)
   10 
   11 Projection is direct polar relative to lat/lon 0;0 but unit is meters.
   12 This gives sensible results if the map is used in e.g. qgis.
   13 
   14 circumference of the Earth at the equator = 40 075.017 km
   15 circumference of the Earth through the poles = 40 007.863 km
   16 
   17 map_* world files use the following world file format:
   18 
   19 5000.000000000  (scale)
   20 0.000000000000  (ignored)
   21 0.000000000000  (ignored)
   22 -5000.00000000  (-scale)
   23 49.690845528910  (longitude)
   24 26.318065105000  (latitude)
   25 
   26 latitude, longitude and scale taken from map_koord.txt
   27 The above world file does not give sensible results in other GDAL applications
   28 it uses a special hard coded case.