ACE3/addons/weather/functions/fnc_calculateDewPoint.sqf

#include "script_component.hpp"
/*
 * Author: Ruthberg
 * Calculates dew point based on temperature and relative humidity
 *
 * Arguments:
 * 0: temperature - degrees celsius <NUMBER>
 * 1: relativeHumidity - value between 0.0 and 1.0 <NUMBER>
 *
 * Return Value:
 * dew point <NUMBER>
 *
 * Example:
 * [32, 0.4] call ace_weather_fnc_calculateDewPoint
 *
 * Public: No
 */

#define __b 17.67
#define __c 243.5

params ["_t", "_rh"];

if (_rh == 0) exitWith { CELSIUS(0) };

// Source: https://en.wikipedia.org/wiki/Dew_point

private _gamma = ln(_rh) + (__b * _t) / (__c + _t);

(__c * _gamma) / (__b - _gamma)
[WIP] Fix script errors reporting wrong line numbers (#6407) * advanced_ballistics * advanced_fatigue * advanced_throwing * ai * aircraft * arsenal * atragmx * attach * backpacks * ballistics * captives * cargo * chemlights * common * concertina_wire * cookoff * dagr * disarming * disposable * dogtags * dragging * explosives * fastroping * fcs * finger * frag * gestures * gforces * goggles * grenades * gunbag * hearing * hitreactions * huntir * interact_menu * interaction * inventory * kestrel4500 * laser * laserpointer * logistics_uavbattery * logistics_wirecutter * magazinerepack * map * map_gestures * maptools * markers * medical * medical_ai * medical_blood * medical_menu * microdagr * minedetector * missileguidance * missionmodules * mk6mortar * modules * movement * nametags * nightvision * nlaw * optics * optionsmenu * overheating * overpressure * parachute * pylons * quickmount * rangecard * rearm * recoil * refuel * reload * reloadlaunchers * repair * respawn * safemode * sandbag * scopes * slideshow * spectator * spottingscope * switchunits * tacticalladder * tagging * trenches * tripod * ui * vector * vehiclelock * vehicles * viewdistance * weaponselect * weather * winddeflection * yardage450 * zeus * arsenal defines.hpp * optionals * DEBUG_MODE_FULL 1 * DEBUG_MODE_FULL 2 * Manual fixes * Add SQF Validator check for #include after block comment * explosives fnc_openTimerUI * fix uniqueItems 2018-09-17 19:19:29 +00:00			`#include "script_component.hpp"`
Added utility function to calculate the dew point 2015-05-15 17:58:24 +00:00			`/*`
			`* Author: Ruthberg`
			`* Calculates dew point based on temperature and relative humidity`
			`*`
			`* Arguments:`
Privates, Headers, Merge 4 PFEH into one 2016-01-05 07:39:29 +00:00			`* 0: temperature - degrees celsius <NUMBER>`
			`* 1: relativeHumidity - value between 0.0 and 1.0 <NUMBER>`
Added utility function to calculate the dew point 2015-05-15 17:58:24 +00:00			`*`
			`* Return Value:`
Updated parameterization in Weather module. 2015-08-04 00:11:24 +00:00			`* dew point <NUMBER>`
Added utility function to calculate the dew point 2015-05-15 17:58:24 +00:00			`*`
Privates, Headers, Merge 4 PFEH into one 2016-01-05 07:39:29 +00:00			`* Example:`
			`* [32, 0.4] call ace_weather_fnc_calculateDewPoint`
			`*`
			`* Public: No`
Added utility function to calculate the dew point 2015-05-15 17:58:24 +00:00			`*/`

			`#define __b 17.67`
			`#define __c 243.5`

Updated parameterization in Weather module. 2015-08-04 00:11:24 +00:00			`params ["_t", "_rh"];`
Added utility function to calculate the dew point 2015-05-15 17:58:24 +00:00
Fixed clashing MACRO names 2015-05-16 19:10:34 +00:00			`if (_rh == 0) exitWith { CELSIUS(0) };`

Added utility function to calculate the dew point 2015-05-15 17:58:24 +00:00			`// Source: https://en.wikipedia.org/wiki/Dew_point`
Reworked dew point, heat index and wind chill calculations 2015-05-16 10:39:52 +00:00
Privates, Headers, Merge 4 PFEH into one 2016-01-05 07:39:29 +00:00			`private _gamma = ln(_rh) + (__b * _t) / (__c + _t);`
Added utility function to calculate the dew point 2015-05-15 17:58:24 +00:00
			`(__c * _gamma) / (__b - _gamma)`