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minor fix in surface speed calculation

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Junzi Sun
2020-07-29 00:53:05 +02:00
parent 0d7f628f3c
commit 1f15a953e3
2 changed files with 6 additions and 8 deletions
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12
pyModeS/decoder/bds/bds06.py
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@@ -168,13 +168,11 @@ def surface_velocity(msg, source=False):
elif mov == 124:
spd = 175
else:
movs = [2, 9, 13, 39, 94, 109, 124]
kts = [0.125, 1, 2, 15, 70, 100, 175]
i = next(m[0] for m in enumerate(movs) if m[1] > mov)
step = (kts[i] - kts[i - 1]) * 1.0 / (movs[i] - movs[i - 1])
spd = kts[i - 1] + (mov - movs[i - 1]) * step
spd = round(spd, 2)
mov_lb = [2, 9, 13, 39, 94, 109, 124]
kts_lb = [0.125, 1, 2, 15, 70, 100, 175]
step = [0.125, 0.25, 0.5, 1, 2, 5]
i = next(m[0] for m in enumerate(mov_lb) if m[1] > mov)
spd = kts_lb[i - 1] + (mov - mov_lb[i - 1]) * step[i - 1]
if source:
return spd, trk, 0, "GS", "TRUE_NORTH", None
else: