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Implement wind_uv(), wind_speed_dir()

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XANTRONIX 2025-03-18 18:26:47 -04:00
parent 0af216cfc4
commit d9761de7b4
1 changed files with 13 additions and 1 deletions
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14
lib/xmet/thermo.py
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@ -3,7 +3,7 @@ import math
from typing import Callable from typing import Callable
from xmet.series import Series from xmet.series import Series
from xmet.units import rad, kelvin, celsius from xmet.units import rad, deg, kelvin, celsius
LAPSE_RATE_DRY = 9.8 / 1000 # degrees C per km LAPSE_RATE_DRY = 9.8 / 1000 # degrees C per km
@ -196,3 +196,15 @@ def wind_u(speed: float, direction: float) -> float:
def wind_v(speed: float, direction: float) -> float: def wind_v(speed: float, direction: float) -> float:
return -speed * math.sin(rad(direction)) return -speed * math.sin(rad(direction))
def wind_uv(speed: float, direction: float) -> float:
return (
math.cos(rad(direction)) * speed,
math.sin(rad(direction)) * -speed
)
def wind_speed_dir(u: float, v: float) -> float:
return (
math.sqrt(u**2 + v**2),
(180 - deg(math.atan2(v, u))) % 360
)