<?php
/**
* An example for looking up the current solar position in the sky from a given
* location (elevation/azimuth)
*/
require_once 'Predict/Solar.php';
require_once 'Predict/QTH.php';
// Use current time in the form of a daynum
$time = time();
$daynum = Predict_Time::unix2daynum($time);
// Set up the observer position on the ground
$qth = new Predict_QTH();
$qth->lat = 37.786759;
$qth->lon = -122.405162;
$qth->alt = 10;
// Altitude above sea level in meters
$sunInfo = Predict_Solar::FindSun($qth, $daynum);
$output = array('elevation' => $sunInfo->el, 'azimuth' => $sunInfo->az, 'timestamp' => $time);
// output results
echo json_encode($output);
