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author | Chris Kuethe <chris.kuethe@gmail.com> | 2008-12-29 16:06:06 +0000 |
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committer | Chris Kuethe <chris.kuethe@gmail.com> | 2008-12-29 16:06:06 +0000 |
commit | f18a568fe26a30c9557e4133152e642383583f47 (patch) | |
tree | c7a24cd3d6a3904e62b979041451f9fa72a5e148 /contrib/README | |
parent | 4a110dd2877bb378f8839f4922089e781e27d631 (diff) | |
download | gpsd-f18a568fe26a30c9557e4133152e642383583f47.tar.gz |
add and document lla2ecef
Diffstat (limited to 'contrib/README')
-rw-r--r-- | contrib/README | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/contrib/README b/contrib/README index 322af612..4432ac42 100644 --- a/contrib/README +++ b/contrib/README @@ -47,3 +47,7 @@ horizon, 13 are tracking, and at least 12 are actually used in a solution. gpsdlcdd.c is a lcdproc client for gpsd that turns your car computer into a rudimentary GPS receiver (provided you have at least a 4x40 LCD screen plugged in and configured to work with lcdproc). + +lla2ecef transforms latitude/longitude/altitude (aka north-east-up or local +tangential plane) coordinates into the earth-centered-earth-fixed frame. If +invoked as "ecef2lla" it will transform coordinates in the opposite manner. |