Module:User:Mr rnddude/Sandbox: Difference between revisions

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-- This is my module sandbox.
-- Simple repetition module.
-- At Sea level on an ISA day,
-- the pressure should be 1013.2 hPa.
-- I've reduced this to 1013 hPa. Up to
-- 5,000 feet the pressure reduces by 1
-- hPa per 27 feet. Beyond 5,000 feet
-- the rate of reduction decreases. Off
-- the top of my head I can't remember
-- what it is (1/30ft?), but, whatever.

P = 1014 -- hPa
Incr = 27 -- feet
MSL = -27 -- feet

local p = {}

function p.Altitude (frame)
	output = "Altitude (Feet), Pressure (hPa)"
	repeat
		MSL = MSL + Incr
		P = P - 1
		output = output .. "<br />" .. MSL .. ", " .. P
	until (MSL > 2500 or P < 0)
	return output
end

return p