Bonjour à tous,
Je suis nouveau sur le forum et récent acquéreur d'une eedomus+ que je destine principalement à piloter mes chauffages et volets roulants.
L'une des raison m'ayant fait choisir cette box c'est justement la possibilité d'utiliser des scripts comme celui-ci et c'est donc la première chose que j'ai installée
Cependant, mes observations du couché du soleil comparé à l'élévation renvoyée par le script m'ont mis la puce à l'oreille que quelque chose clochait ... et effectivement, en comparant les données avec d'autres outils (dont la feuille de calcul du NOAA qui a servi de base à ce script), je me suis rendu compte qu'à ma position, le script renvoie une valeur d'azimut avec une erreur de l'ordre de 6° et une élévation erronée de 4° !
Par example, à un moment donné (aujourd'hui 10h39):
La feuille de calcul du NOAA nous donne:

Le calculateur en ligne du NOAA (
https://www.esrl.noaa.gov/gmd/grad/solcalc/) donne bien sûr la même chose:

The Photographer Ephemeris sur iPad me donne les mêmes infos:

Hors, voilà ce que nous donne le script en v0.15:
- Code : Tout sélectionner
<Solar_Elevation_Angle_deg>39.656185318296</Solar_Elevation_Angle_deg><Solar_Elevation_corrected_for_atm_refraction_deg>39.656185318296</Solar_Elevation_corrected_for_atm_refraction_deg>
<Solar_Azimuth>118.05513756707</Solar_Azimuth>
J'ai donc cherché la boulette et elle venait du calcul de date.
J'en ai profité pour implémenter la correction de réfraction atmosphérique qui était indiquée "A FAIRE" et pour faire afficher de manière compréhensible les diverses heures solaires (lever, coucher, zenit, ...).
Je me suis également permis de supprimer de l'affichage du script tous les calculs intermédiaires qui, j'imagine, ne parlaient pas à grand monde
Voici donc ce que retourne le script en v1.0:
- Code : Tout sélectionner
<Data>
<Parametres>
<Latitude>...</Latitude>
<Longitude>...</Longitude>
</Parametres>
<Soleil>
<True_Solar_Time>09H01</True_Solar_Time>
<Sunrise_Time>06H29</Sunrise_Time>
<Solar_Noon>13H36</Solar_Noon>
<Sunset_Time>20H44</Sunset_Time><Sunlight_Duration_minutes_round>855</Sunlight_Duration_minutes_round>
<Solar_Elevation>43.098429226393</Solar_Elevation><Solar_Elevation_corrected_for_atm_refraction>43.115652867807</Solar_Elevation_corrected_for_atm_refraction>
<Solar_Azimuth>112.27945142982</Solar_Azimuth><Solar_Azimuth_round>112</Solar_Azimuth_round>
<Solar_Cardinal_point>6</Solar_Cardinal_point></Soleil>
</Data>
Et là, si vous comparez avec les captures d'écran des outils ci dessus, tous les paramètres collent

Voilà le script mis à jour en v1.0:
- Code : Tout sélectionner
<?php
// Version v1.0
// CE SCRIPT EXPERIMENTAL REALISE EN PHP PERMET DE DETERMINER LA POSITION DU SOLEIL (AZIMUT + ELEVATION, ...)
// L'ALGORYTHME EST BASÉ SUR UNE ÉTUDE FAITE PAR LE National Oceanic and Atmospheric Administration
// LES VARIABLES DE LA BOX EEDOMUS:
// [VAR1] = @IP DE LA BOX
// [VAR2] = Latitude (+ => N)
// [VAR3] = Longitude (+ => E)
// Les latitude et longitude doivent contenir des "." (PAS DE VIRGULE)
// EXEMPLE: Latitude = 48.858346
// Longitude = 2.294496
// OU
//
// EXEMPLE: Latitude = 48.387942
// Longitude = -4.484993
// EXEMPLE APPEL DE SCRIPT avec variables: http://[VAR1]/script/?exec=position_soleil.php&latitude=[VAR2]&longitude=[VAR3]
// EXEMPLE APPEL DE SCRIPT dans navigateur: http://@IP_BOX_EEDOMUS/script/?exec=position_soleil.php&latitude=48.858346&longitude=2.294496
// LE RESULTAT EST SOUS FORME XML
// L'ELEVATION CORRESPOND A L'ANGLE ENTRE L'HORIZON ET LE SOLEIL
// XPATH ELEVATION: /Data/Soleil/Solar_Elevation_corrected_for_atm_refraction_deg
// L'AZIMUT CORRESPOND A L'ANGLE ENTRE LE NORD ET LE SOLEIL
// XPATH AZIMUT: /Data/Soleil/Solar_Azimuth_round
// 0°/ 360° = NORD
// 90° = EST
// 180° = SUD
// 270° = OUEST
//--------------------------------------------------------------
// Stocker les variables passées en argument
$ma_latitude = getArg('latitude');
$ma_longitude = getArg('longitude');
$time_zone = substr(date('O'), -4, 4);
$time_zone = $time_zone / 100;
$diff_jour = strtotime(date('Y')."-".date('m')."-".date('d')." 00:00:00");
//--------------------------------------------------------------
$heure_secondes = date('H') * 3600;
$minutes_secondes = date('i') * 60;
$heure_secondes = $heure_secondes + $minutes_secondes + date('s');
$Time_past_local_midnight = $heure_secondes/ 86400;
$Julian_Day = $diff_jour / 86400 + 2440587.5 + $Time_past_local_midnight;
$Julian_Century = $Julian_Day - 2451545;
$Julian_Century = $Julian_Century / 36525;
$Geom_Mean_Long_Sun_deg_1 = $Julian_Century * '0.0003032';
$Geom_Mean_Long_Sun_deg_1 = '36000.76983' + $Geom_Mean_Long_Sun_deg_1;
$Geom_Mean_Long_Sun_deg_1 = $Julian_Century * $Geom_Mean_Long_Sun_deg_1;
$Geom_Mean_Long_Sun_deg = fmod('280.46646' + $Geom_Mean_Long_Sun_deg_1,360);
$Geom_Mean_Anom_Sun_deg = '0.0001537' * $Julian_Century;
$Geom_Mean_Anom_Sun_deg = '35999.05029' - $Geom_Mean_Anom_Sun_deg;
$Geom_Mean_Anom_Sun_deg = $Julian_Century * $Geom_Mean_Anom_Sun_deg;
$Geom_Mean_Anom_Sun_deg = '357.52911' + $Geom_Mean_Anom_Sun_deg;
$Eccent_Earth_Orbit = '0.0000001267'*$Julian_Century;
$Eccent_Earth_Orbit = '0.000042037' + $Eccent_Earth_Orbit;
$Eccent_Earth_Orbit = $Julian_Century * $Eccent_Earth_Orbit;
$Eccent_Earth_Orbit = '0.016708634' - $Eccent_Earth_Orbit;
$Sun_Eq_of_Ctr_1 = deg2rad(3 * $Geom_Mean_Anom_Sun_deg);
$Sun_Eq_of_Ctr_1 = sin($Sun_Eq_of_Ctr_1);
$Sun_Eq_of_Ctr_1 = $Sun_Eq_of_Ctr_1 * '0.000289';
$Sun_Eq_of_Ctr_2 = '0.000101' * $Julian_Century;
$Sun_Eq_of_Ctr_2 = '0.019993' - $Sun_Eq_of_Ctr_2;
$Sun_Eq_of_Ctr_3 = deg2rad(2* $Geom_Mean_Anom_Sun_deg);
$Sun_Eq_of_Ctr_3 = sin($Sun_Eq_of_Ctr_3);
$Sun_Eq_of_Ctr = $Sun_Eq_of_Ctr_2 * $Sun_Eq_of_Ctr_3;
$Sun_Eq_of_Ctr = $Sun_Eq_of_Ctr + $Sun_Eq_of_Ctr_1;
$Sun_Eq_of_Ctr_3 = '0.000014' * $Julian_Century;
$Sun_Eq_of_Ctr_3 = $Sun_Eq_of_Ctr_3 + '0.004817';
$Sun_Eq_of_Ctr_3 = $Julian_Century * $Sun_Eq_of_Ctr_3;
$Sun_Eq_of_Ctr_3 = '1.914602' - $Sun_Eq_of_Ctr_3;
$Sun_Eq_of_Ctr_2 = deg2rad( $Geom_Mean_Anom_Sun_deg);
$Sun_Eq_of_Ctr_2 = sin($Sun_Eq_of_Ctr_2);
$Sun_Eq_of_Ctr_2 = $Sun_Eq_of_Ctr_2*$Sun_Eq_of_Ctr_3;
$Sun_Eq_of_Ctr = $Sun_Eq_of_Ctr_2 + $Sun_Eq_of_Ctr;
$Sun_True_Long_deg = $Geom_Mean_Long_Sun_deg + $Sun_Eq_of_Ctr;
$Sun_True_Anom_deg = $Geom_Mean_Anom_Sun_deg + $Sun_Eq_of_Ctr;
$Sun_Rad_Vector_AUs_1 = deg2rad($Sun_True_Anom_deg);
$Sun_Rad_Vector_AUs_1 = cos($Sun_Rad_Vector_AUs_1);
$Sun_Rad_Vector_AUs_1 = $Eccent_Earth_Orbit * $Sun_Rad_Vector_AUs_1;
$Sun_Rad_Vector_AUs = 1 + $Sun_Rad_Vector_AUs_1;
$Sun_Rad_Vector_AUs_1 = $Eccent_Earth_Orbit*$Eccent_Earth_Orbit;
$Sun_Rad_Vector_AUs_1 = 1-$Sun_Rad_Vector_AUs_1;
$Sun_Rad_Vector_AUs_1 = '1.000001018'*$Sun_Rad_Vector_AUs_1;
$Sun_Rad_Vector_AUs = $Sun_Rad_Vector_AUs_1 / $Sun_Rad_Vector_AUs;
$Sun_App_Long_deg_1 = '1934.136'*$Julian_Century;
$Sun_App_Long_deg_1 = '125.04'-$Sun_App_Long_deg_1;
$Sun_App_Long_deg_1 = deg2rad($Sun_App_Long_deg_1);
$Sun_App_Long_deg_1 = sin($Sun_App_Long_deg_1);
$Sun_App_Long_deg_1 = '0.00478'*$Sun_App_Long_deg_1;
$Sun_App_Long_deg = $Sun_True_Long_deg - '0.00569'-$Sun_App_Long_deg_1;
$Mean_Obliq_Ecliptic_deg = $Julian_Century * '0.001813';
$Mean_Obliq_Ecliptic_deg = '0.00059'- $Mean_Obliq_Ecliptic_deg;
$Mean_Obliq_Ecliptic_deg = $Julian_Century * $Mean_Obliq_Ecliptic_deg;
$Mean_Obliq_Ecliptic_deg = '46.815' + $Mean_Obliq_Ecliptic_deg;
$Mean_Obliq_Ecliptic_deg = $Julian_Century * $Mean_Obliq_Ecliptic_deg;
$Mean_Obliq_Ecliptic_deg = '21.448' - $Mean_Obliq_Ecliptic_deg;
$Mean_Obliq_Ecliptic_deg = $Mean_Obliq_Ecliptic_deg / 60;
$Mean_Obliq_Ecliptic_deg = '26' + $Mean_Obliq_Ecliptic_deg;
$Mean_Obliq_Ecliptic_deg = $Mean_Obliq_Ecliptic_deg / 60;
$Mean_Obliq_Ecliptic_deg = 23 + $Mean_Obliq_Ecliptic_deg;
$Obliq_Corr_deg = '1934.136'*$Julian_Century;
$Obliq_Corr_deg = '125.04'-$Obliq_Corr_deg;
$Obliq_Corr_deg = deg2rad($Obliq_Corr_deg);
$Obliq_Corr_deg = cos($Obliq_Corr_deg);
$Obliq_Corr_deg = $Obliq_Corr_deg*'0.00256';
$Obliq_Corr_deg = $Mean_Obliq_Ecliptic_deg + $Obliq_Corr_deg;
$Sun_Declin_deg_1 = deg2rad($Sun_App_Long_deg);
$Sun_Declin_deg_1 = sin($Sun_Declin_deg_1);
$Sun_Declin_deg_2 = deg2rad($Obliq_Corr_deg);
$Sun_Declin_deg_2 = sin($Sun_Declin_deg_2);
$Sun_Declin_deg = asin($Sun_Declin_deg_1*$Sun_Declin_deg_2);
$Sun_Declin_deg = rad2deg($Sun_Declin_deg);
$SunRt_Ascen_deg_1 = deg2rad($Sun_App_Long_deg);
$SunRt_Ascen_deg_1 = sin($SunRt_Ascen_deg_1);
$SunRt_Ascen_deg_2 = deg2rad($Obliq_Corr_deg);
$SunRt_Ascen_deg_2 = cos($SunRt_Ascen_deg_2);
$SunRt_Ascen_deg_1 = $SunRt_Ascen_deg_2 * $SunRt_Ascen_deg_1;
$SunRt_Ascen_deg_2 = deg2rad($Sun_App_Long_deg);
$SunRt_Ascen_deg_2 = cos($SunRt_Ascen_deg_2);
$SunRt_Ascen_deg = atan2($SunRt_Ascen_deg_1, $SunRt_Ascen_deg_2);
$SunRt_Ascen_deg = rad2deg($SunRt_Ascen_deg);
$y_1 = $Obliq_Corr_deg/2;
$y_1 = deg2rad($y_1);
$y_1 = tan($y_1);
$y = $Obliq_Corr_deg/2;
$y = deg2rad($y);
$y = tan($y);
$y = $y * $y_1;
$Eq_of_Time_minutes_1 = deg2rad($Geom_Mean_Anom_Sun_deg);
$Eq_of_Time_minutes_1 = 2 * $Eq_of_Time_minutes_1;
$Eq_of_Time_minutes_1 = sin($Eq_of_Time_minutes_1);
$Eq_of_Time_minutes_1 = '1.25' * $Eccent_Earth_Orbit * $Eccent_Earth_Orbit * $Eq_of_Time_minutes_1;
$Eq_of_Time_minutes_2 = deg2rad($Geom_Mean_Long_Sun_deg);
$Eq_of_Time_minutes_2 = 4 * $Eq_of_Time_minutes_2;
$Eq_of_Time_minutes_2 = sin($Eq_of_Time_minutes_2);
$Eq_of_Time_minutes_2 = '0.5' * $y * $y * $Eq_of_Time_minutes_2;
$Eq_of_Time_minutes_3 = deg2rad($Geom_Mean_Long_Sun_deg);
$Eq_of_Time_minutes_3 = 2 * $Eq_of_Time_minutes_3;
$Eq_of_Time_minutes_3 = cos($Eq_of_Time_minutes_3);
$Eq_of_Time_minutes_4 = deg2rad($Geom_Mean_Anom_Sun_deg);
$Eq_of_Time_minutes_4 = sin($Eq_of_Time_minutes_4);
$Eq_of_Time_minutes_4 = 4 * $Eccent_Earth_Orbit * $y * $Eq_of_Time_minutes_4 * $Eq_of_Time_minutes_3;
$Eq_of_Time_minutes_5 = deg2rad($Geom_Mean_Anom_Sun_deg);
$Eq_of_Time_minutes_5 = sin($Eq_of_Time_minutes_5);
$Eq_of_Time_minutes_5 = 2 * $Eccent_Earth_Orbit * $Eq_of_Time_minutes_5;
$Eq_of_Time_minutes_6 = deg2rad($Geom_Mean_Long_Sun_deg);
$Eq_of_Time_minutes_6 = 2 * $Eq_of_Time_minutes_6;
$Eq_of_Time_minutes_6 = sin($Eq_of_Time_minutes_6);
$Eq_of_Time_minutes_6 = $y * $Eq_of_Time_minutes_6;
$Eq_of_Time_minutes = $Eq_of_Time_minutes_6 - $Eq_of_Time_minutes_5 + $Eq_of_Time_minutes_4 - $Eq_of_Time_minutes_2 - $Eq_of_Time_minutes_1;
$Eq_of_Time_minutes = 4 * rad2deg($Eq_of_Time_minutes);
$HA_Sunrise_deg_1 = deg2rad($Sun_Declin_deg);
$HA_Sunrise_deg_1 = tan($HA_Sunrise_deg_1);
$HA_Sunrise_deg_2 = deg2rad($ma_latitude);
$HA_Sunrise_deg_2 = tan($HA_Sunrise_deg_2);
$HA_Sunrise_deg_1 = $HA_Sunrise_deg_1 * $HA_Sunrise_deg_2;
$HA_Sunrise_deg_2 = deg2rad($Sun_Declin_deg);
$HA_Sunrise_deg_5 = cos($HA_Sunrise_deg_2);
$HA_Sunrise_deg_3 = deg2rad($ma_latitude);
$HA_Sunrise_deg_3 = cos($HA_Sunrise_deg_3);
$HA_Sunrise_deg_3 = $HA_Sunrise_deg_3 * $HA_Sunrise_deg_5;
$HA_Sunrise_deg_4 = deg2rad('90.833');
$HA_Sunrise_deg_4 = cos($HA_Sunrise_deg_4);
$HA_Sunrise_deg = $HA_Sunrise_deg_4 / $HA_Sunrise_deg_3;
$HA_Sunrise_deg = $HA_Sunrise_deg - $HA_Sunrise_deg_1;
$HA_Sunrise_deg = acos($HA_Sunrise_deg);
$HA_Sunrise_deg = rad2deg($HA_Sunrise_deg);
$Solar_Noon_LST = $time_zone * 60;
$Solar_Noon_LST_1 = 4 * $ma_longitude;
$Solar_Noon_LST = 720 - $Solar_Noon_LST_1 - $Eq_of_Time_minutes + $Solar_Noon_LST;
$Solar_Noon_Hours = floor($Solar_Noon_LST / 60);
$Solar_Noon_Minutes = $Solar_Noon_LST % 60;
$Solar_Noon_LST = $Solar_Noon_LST / 1440;
$Sunrise_Time_LST = $HA_Sunrise_deg*4;
$Sunrise_Time_LST = $Sunrise_Time_LST / 1440;
$Sunrise_Time_LST = $Solar_Noon_LST - $Sunrise_Time_LST;
$Sunrise_Time_Hours = floor($Sunrise_Time_LST * 1440 / 60);
$Sunrise_Time_Minutes = ($Sunrise_Time_LST * 1440) % 60;
$Sunset_Time_LST = $HA_Sunrise_deg*4;
$Sunset_Time_LST = $Sunset_Time_LST / 1440;
$Sunset_Time_LST = $Solar_Noon_LST + $Sunset_Time_LST;
$Sunset_Time_Hours = floor($Sunset_Time_LST * 1440 / 60);
$Sunset_Time_Minutes = ($Sunset_Time_LST * 1440) % 60;
$Sunlight_Duration_minutes = 8* $HA_Sunrise_deg;
$True_Solar_Time_min_1 = 60 * $time_zone;
$True_Solar_Time_min_2 = 4 * $ma_longitude;
$True_Solar_Time_min_3 = $Time_past_local_midnight * 1440;
$True_Solar_Time_min = $True_Solar_Time_min_3 + $Eq_of_Time_minutes + $True_Solar_Time_min_2 - $True_Solar_Time_min_1;
$True_Solar_Time_min = fmod($True_Solar_Time_min, 1440);
$True_Solar_Time_Hours = floor($True_Solar_Time_min / 60);
$True_Solar_Time_Minutes = $True_Solar_Time_min % 60;
if ($True_Solar_Time_min/4 < 0)
{
$Hour_Angle_deg = $True_Solar_Time_min / 4;
$Hour_Angle_deg = $Hour_Angle_deg +180;
}
else
{
$Hour_Angle_deg = $True_Solar_Time_min / 4;
$Hour_Angle_deg = $Hour_Angle_deg -180;
}
$Solar_Zenith_Angle_deg_1 = deg2rad($Hour_Angle_deg);
$Solar_Zenith_Angle_deg_1 = cos($Solar_Zenith_Angle_deg_1 );
$Solar_Zenith_Angle_deg_2 = deg2rad($Sun_Declin_deg);
$Solar_Zenith_Angle_deg_2 = cos($Solar_Zenith_Angle_deg_2 );
$Solar_Zenith_Angle_deg_3 = deg2rad($ma_latitude);
$Solar_Zenith_Angle_deg_3 = cos($Solar_Zenith_Angle_deg_3 );
$Solar_Zenith_Angle_deg_3 = $Solar_Zenith_Angle_deg_1 * $Solar_Zenith_Angle_deg_2 * $Solar_Zenith_Angle_deg_3;
$Solar_Zenith_Angle_deg_4 = deg2rad($Sun_Declin_deg);
$Solar_Zenith_Angle_deg_4 = sin($Solar_Zenith_Angle_deg_4);
$Solar_Zenith_Angle_deg_5 = deg2rad($ma_latitude);
$Solar_Zenith_Angle_deg_5 = sin($Solar_Zenith_Angle_deg_5);
$Solar_Zenith_Angle_deg_5 = $Solar_Zenith_Angle_deg_5 * $Solar_Zenith_Angle_deg_4;
$Solar_Zenith_Angle_deg = $Solar_Zenith_Angle_deg_5 + $Solar_Zenith_Angle_deg_3;
$Solar_Zenith_Angle_deg = acos($Solar_Zenith_Angle_deg);
$Solar_Zenith_Angle_deg = rad2deg($Solar_Zenith_Angle_deg);
$Solar_Elevation_Angle_deg = 90 - $Solar_Zenith_Angle_deg;
if ($Solar_Elevation_Angle_deg > 85)
{
$Approx_Atmospheric_Refraction_deg = 0;
}
else
if ($Solar_Elevation_Angle_deg > 5)
{
$Approx_Atmospheric_Refraction_deg = 58.1 / tan(deg2rad($Solar_Elevation_Angle_deg)) -0.07 / pow(tan(deg2rad($Solar_Elevation_Angle_deg)),3) + 0.000086/pow(tan(deg2rad($Solar_Elevation_Angle_deg)),5);
}
else
if ($Solar_Elevation_Angle_deg > -0.575)
{
$Approx_Atmospheric_Refraction_deg_1 = -12.79 + $Solar_Elevation_Angle_deg * 0.711;
$Approx_Atmospheric_Refraction_deg_2 = 103.4 + $Solar_Elevation_Angle_deg * $Approx_Atmospheric_Refraction_deg_1;
$Approx_Atmospheric_Refraction_deg_3 = -518.2 + $Solar_Elevation_Angle_deg * $Approx_Atmospheric_Refraction_deg_2;
$Approx_Atmospheric_Refraction_deg = 1735 + $Solar_Elevation_Angle_deg * $Approx_Atmospheric_Refraction_deg_3;
// $Approx_Atmospheric_Refraction_deg = 1735 + $Solar_Elevation_Angle_deg * (-518.2 + $Solar_Elevation_Angle_deg * (103.4 + $Solar_Elevation_Angle_deg * (-12.79 + $Solar_Elevation_Angle_deg*0.711)));
}
else
{
$Approx_Atmospheric_Refraction_deg = -20.772 / tan(deg2rad($Solar_Elevation_Angle_deg));
}
$Approx_Atmospheric_Refraction_deg = $Approx_Atmospheric_Refraction_deg / 3600;
$Solar_Elevation_corrected_for_atm_refraction_deg = $Solar_Elevation_Angle_deg + $Approx_Atmospheric_Refraction_deg;
$Solar_Azimuth_Angle_deg_cw_from_N_1 = deg2rad($Solar_Zenith_Angle_deg);
$Solar_Azimuth_Angle_deg_cw_from_N_1 = sin($Solar_Azimuth_Angle_deg_cw_from_N_1);
$Solar_Azimuth_Angle_deg_cw_from_N_2 = deg2rad($ma_latitude);
$Solar_Azimuth_Angle_deg_cw_from_N_2 = cos($Solar_Azimuth_Angle_deg_cw_from_N_2 );
$Solar_Azimuth_Angle_deg_cw_from_N_1 = $Solar_Azimuth_Angle_deg_cw_from_N_1 * $Solar_Azimuth_Angle_deg_cw_from_N_2;
$Solar_Azimuth_Angle_deg_cw_from_N_3 = deg2rad($Sun_Declin_deg);
$Solar_Azimuth_Angle_deg_cw_from_N_3 = sin($Solar_Azimuth_Angle_deg_cw_from_N_3);
$Solar_Azimuth_Angle_deg_cw_from_N_4 = deg2rad($Solar_Zenith_Angle_deg);
$Solar_Azimuth_Angle_deg_cw_from_N_4 = cos($Solar_Azimuth_Angle_deg_cw_from_N_4);
$Solar_Azimuth_Angle_deg_cw_from_N_5 = deg2rad($ma_latitude);
$Solar_Azimuth_Angle_deg_cw_from_N_5 = sin($Solar_Azimuth_Angle_deg_cw_from_N_5 );
$Solar_Azimuth_Angle_deg_cw_from_N_5 = $Solar_Azimuth_Angle_deg_cw_from_N_5 * $Solar_Azimuth_Angle_deg_cw_from_N_4;
$Solar_Azimuth_Angle_deg_cw_from_N_5 = $Solar_Azimuth_Angle_deg_cw_from_N_5 - $Solar_Azimuth_Angle_deg_cw_from_N_3;
$Solar_Azimuth_Angle_deg_cw_from_N = acos($Solar_Azimuth_Angle_deg_cw_from_N_5 / $Solar_Azimuth_Angle_deg_cw_from_N_1);
if ($Hour_Angle_deg > 0)
{
$Solar_Azimuth_Angle_deg_cw_from_N = rad2deg($Solar_Azimuth_Angle_deg_cw_from_N);
$Solar_Azimuth_Angle_deg_cw_from_N = $Solar_Azimuth_Angle_deg_cw_from_N + 180;
$Solar_Azimuth_Angle_deg_cw_from_N = fmod($Solar_Azimuth_Angle_deg_cw_from_N,360);
}
else
{
$Solar_Azimuth_Angle_deg_cw_from_N = rad2deg($Solar_Azimuth_Angle_deg_cw_from_N);
$Solar_Azimuth_Angle_deg_cw_from_N = 540 - $Solar_Azimuth_Angle_deg_cw_from_N;
$Solar_Azimuth_Angle_deg_cw_from_N = fmod($Solar_Azimuth_Angle_deg_cw_from_N,360);
}
$Solar_Azimuth_Angle_deg = round($Solar_Azimuth_Angle_deg_cw_from_N);
// Associé le point cardinal à l'angle
if ($Solar_Azimuth_Angle_deg < '11.25' )
{ $Solar_Cardinal_point = 1;} // NORD
if ($Solar_Azimuth_Angle_deg >= '11.25')
{ $Solar_Cardinal_point = 2;} // NORD-NORD-EST
if ($Solar_Azimuth_Angle_deg >= '33.75')
{$Solar_Cardinal_point = 3;} //NORD-EST
if ($Solar_Azimuth_Angle_deg >= '56.25')
{$Solar_Cardinal_point = 4;} //EST-NORD-EST
if ($Solar_Azimuth_Angle_deg >= '67.5')
{$Solar_Cardinal_point = 5;} //EST
if ($Solar_Azimuth_Angle_deg >= '101.25')
{$Solar_Cardinal_point = 6;} //EST-SUD-EST
if ($Solar_Azimuth_Angle_deg >= '123.75')
{$Solar_Cardinal_point = 7;} //SUD-EST
if ($Solar_Azimuth_Angle_deg >= '146.25')
{$Solar_Cardinal_point = 8;} //SUD-SUD-EST
if ($Solar_Azimuth_Angle_deg >= '168.75')
{$Solar_Cardinal_point = 9;} //SUD
if ($Solar_Azimuth_Angle_deg >= '191.25')
{$Solar_Cardinal_point = 10;} //SUD-SUD-OUEST
if ($Solar_Azimuth_Angle_deg >= '213.75')
{$Solar_Cardinal_point = 11;} //SUD-OUEST
if ($Solar_Azimuth_Angle_deg >= '236.25')
{$Solar_Cardinal_point = 12;} //OUEST-SUD-OUEST
if ($Solar_Azimuth_Angle_deg >= '258.75')
{$Solar_Cardinal_point = 13;} //OUEST
if ($Solar_Azimuth_Angle_deg >= '281.25')
{$Solar_Cardinal_point = 14;} // OUEST-NORD-OUEST
if ($Solar_Azimuth_Angle_deg >= '303.75')
{$Solar_Cardinal_point = 15;} // NORD-OUEST
if ($Solar_Azimuth_Angle_deg >= '326.25')
{$Solar_Cardinal_point = 16;} //NORD-NORD-OUEST
$content_type = 'text/xml';
sdk_header($content_type);
echo "<Data>";
echo "<Parametres>";
echo "<Latitude>".$ma_latitude."</Latitude>";
echo "<Longitude>".$ma_longitude."</Longitude>";
echo "</Parametres>";
echo "<Soleil>";
printf("<True_Solar_Time>%02dH%02d</True_Solar_Time>", $True_Solar_Time_Hours, $True_Solar_Time_Minutes);
printf("<Sunrise_Time>%02dH%02d</Sunrise_Time>", $Sunrise_Time_Hours, $Sunrise_Time_Minutes);
printf("<Solar_Noon>%02dH%02d</Solar_Noon>", $Solar_Noon_Hours, $Solar_Noon_Minutes);
printf("<Sunset_Time>%02dH%02d</Sunset_Time>", $Sunset_Time_Hours, $Sunset_Time_Minutes);
echo "<Sunlight_Duration_minutes_round>".round($Sunlight_Duration_minutes)."</Sunlight_Duration_minutes_round>";
echo "<Solar_Elevation>".$Solar_Elevation_Angle_deg."</Solar_Elevation>";
echo "<Solar_Elevation_corrected_for_atm_refraction>".$Solar_Elevation_corrected_for_atm_refraction_deg."</Solar_Elevation_corrected_for_atm_refraction>";
echo "<Solar_Azimuth>".$Solar_Azimuth_Angle_deg_cw_from_N."</Solar_Azimuth>";
echo "<Solar_Azimuth_round>".$Solar_Azimuth_Angle_deg."</Solar_Azimuth_round>";
echo "<Solar_Cardinal_point>".$Solar_Cardinal_point."</Solar_Cardinal_point>";
echo "</Soleil>";
echo "</Data>";
?>
Merci en tous cas à l'auteur initial qui a fait le plus dur !!!