Wins speed and direction ?

[freebirddz]

Hello folks,

How can get the wind speed and direction in lua ?!

:pilotfly:

[davidp57]

-- Get Temperature [K] and Pressure [Pa] at vec3.
local T
local Pqfe
if not alt then
   alt = veaf.getLandHeight(vec3)
end

-- At user specified altitude.
T,Pqfe=atmosphere.getTemperatureAndPressure({x=vec3.x, y=alt, z=vec3.z})
veaf.mainLogTrace(string.format("T = %.1f, Pqfe = %.1f", T,Pqfe))

-- Get pressure at sea level.
local _,Pqnh=atmosphere.getTemperatureAndPressure({x=vec3.x, y=0, z=vec3.z})
veaf.mainLogTrace(string.format("Pqnh = %.1f", Pqnh))

-- Convert pressure from Pascal to hecto Pascal.
Pqfe=Pqfe/100
Pqnh=Pqnh/100

-- Pressure unit conversion hPa --> mmHg or inHg
local _Pqnh=string.format("%.1f mmHg (%.1f inHg)", Pqnh * weathermark.hPa2mmHg, Pqnh * weathermark.hPa2inHg)
local _Pqfe=string.format("%.1f mmHg (%.1f inHg)", Pqfe * weathermark.hPa2mmHg, Pqfe * weathermark.hPa2inHg)

-- Temperature unit conversion: Kelvin to Celsius or Fahrenheit.
T=T-273.15
local _T=string.format('%d°C (%d°F)', T, weathermark._CelsiusToFahrenheit(T))

-- Get wind direction and speed.
local Dir,Vel=weathermark._GetWind(vec3, alt)
veaf.mainLogTrace(string.format("Dir = %.1f, Vel = %.1f", Dir,Vel))

-- Get Beaufort wind scale.
local Bn,Bd=weathermark._BeaufortScale(Vel)

-- Formatted wind direction.
local Ds = string.format('%03d°', Dir)

-- Velocity in player units.
local Vs=string.format('%.1f m/s (%.1f kn)', Vel, Vel * weathermark.mps2knots)

-- Altitude.
local _Alt=string.format("%d m (%d ft)", alt, alt * weathermark.meter2feet)

local text=""
text=text..string.format("Altitude %s ASL\n",_Alt)
text=text..string.format("QFE %.1f hPa = %s\n", Pqfe,_Pqfe)
text=text..string.format("QNH %.1f hPa = %s\n", Pqnh,_Pqnh)
text=text..string.format("Temperature %s\n",_T)
if Vel > 0 then
   text=text..string.format("Wind from %s at %s (%s)", Ds, Vs, Bd)
else
   text=text.."No wind"
end

return text