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velocity default argument for backwards compatibility

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This commit is contained in:
Alexander Hirsch
2019-05-17 09:45:16 -07:00
parent fc9b05b6f1
commit 3c14579040
3 changed files with 28 additions and 9 deletions
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12
pyModeS/decoder/bds/bds09.py
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@@ -25,11 +25,15 @@ from pyModeS.decoder import common
import math
def airborne_velocity(msg):
def airborne_velocity(msg, rtn_sources=False):
"""Calculate the speed, track (or heading), and vertical rate
Args:
msg (string): 28 bytes hexadecimal message string
rtn_source (boolean): If the function will return
the sources for direction of travel and vertical
rate. This will change the return value from a four
element array to a six element array.
Returns:
(int, float, int, string, string, string): speed (kt),
@@ -96,7 +100,11 @@ def airborne_velocity(msg):
vr = common.bin2int(mb[37:46])
rocd = None if vr==0 else int(vr_sign*(vr-1)*64)
return spd, trk_or_hdg, rocd, tag, dir_type, vr_source
if rtn_sources:
return spd, trk_or_hdg, rocd, tag, dir_type, vr_source
else:
return spd, trk_or_hdg, rocd, tag
def altitude_diff(msg):
"""Decode the differece between GNSS and barometric altitude