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Howto:Calculate elevations: Difference between revisions
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There is a specific script in FlightGear that enables the calculation of the elevation at a specific longitude and latitude. The script is called find_elevations.pl and is located in the FG source directory under: <tt> | There is a specific script in [[FlightGear]] that enables the '''calculation of the elevation''' at a specific longitude and latitude. The script is called find_elevations.pl and is located in the FG source directory under: <tt>[http://mapserver.flightgear.org/git/gitweb.pl?p=flightgear;a=blob_plain;f=scripts/perl/examples/find_elevations.pl;hb=HEAD scripts/perl/examples/find_elevations.pl]</tt>. | ||
http://mapserver.flightgear.org/git/gitweb.pl?p=flightgear;a=blob_plain;f=scripts/perl/examples/find_elevations.pl;hb=HEAD | |||
To use it: | To use it: | ||
# Launch FG like this : "fgfs --fdm=null --telnet=5401" | |||
# Then, in a separate windows, lauch the script : "./find_elevations.pl". | |||
# Enter the longitude and latitude of the object for which you want to get the elevation. | |||
For instance : | For instance : | ||
olivier@olivier-portable:/var/www$ ./find_elevations.pl | olivier@olivier-portable:/var/www$ ./find_elevations.pl | ||
-3.926816 48.632452 62.37586682 | -3.926816 48.632452 62.37586682 | ||
For a longitude of -3.926816 and a latitude of 48.632452, the elevation is 62.37586682. | For a longitude of -3.926816 and a latitude of 48.632452, the elevation is 62.37586682. | ||