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| author | Eric S. Raymond <esr@thyrsus.com> | 2009-09-30 22:03:11 +0000 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2009-09-30 22:03:11 +0000 |
| commit | 97b9548cff261e13a5b592d31add94631ff4dbc9 (patch) | |
| tree | f46a1c984d841d3d2d8d83836d01db57d3e8ccf9 /driver_ubx.c | |
| parent | b9f18fea09961f5e7476130a67e4e89379e12571 (diff) | |
| download | gpsd-97b9548cff261e13a5b592d31add94631ff4dbc9.tar.gz | |
Fix computation of epx and epy from eph.
Factor of 1/sqrt(2) has to be applied (on the assumption that epx and
epy are equal).
Diffstat (limited to 'driver_ubx.c')
| -rw-r--r-- | driver_ubx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/driver_ubx.c b/driver_ubx.c index 257c6de1..c5b808d2 100644 --- a/driver_ubx.c +++ b/driver_ubx.c @@ -91,7 +91,7 @@ ubx_msg_nav_sol(struct gps_device_t *session, unsigned char *buf, size_t data_le evz = (double)(getlesl(buf, 36)/100.0); ecef_to_wgs84fix(&session->gpsdata, epx, epy, epz, evx, evy, evz); mask |= LATLON_SET | ALTITUDE_SET | SPEED_SET | TRACK_SET | CLIMB_SET; - session->gpsdata.fix.epx = session->gpsdata.fix.epy = (double)(getlesl(buf, 24)/100.0); + session->gpsdata.fix.epx = session->gpsdata.fix.epy = (double)(getlesl(buf, 24)/100.0)/sqrt(2); session->gpsdata.fix.eps = (double)(getlesl(buf, 40)/100.0); /* Better to have a single point of truth about DOPs */ //session->gpsdata.dop.pdop = (double)(getleuw(buf, 44)/100.0); |