function buildJsonTrack($track)
{
if (isset($track['kmlUrl'])) {
return ['kmlUrl' => $track['kmlUrl']];
}
if (isset($track['error'])) {
return ['error' => $track['error']];
}
$track['nbPt'] = $nbPts = count($track['lat']);
// Generate the time in second
for ($i = 0; $i < count($track['time']['hour']); $i++) {
$track['timeSec'][$i] = $track['time']['hour'][$i] * 3600 + $track['time']['min'][$i] * 60 + $track['time']['sec'][$i];
}
// Generate CHART_NBLBL labels
for ($i = 0, $idx = 0, $step = ($nbPts - 1) / (CHART_NBLBL - 1); $i < CHART_NBLBL; $i++, $idx += $step) {
$jsTrack['time']['label'][$i] = sprintf("%02dh%02d", $track['time']['hour'][$idx], $track['time']['min'][$idx]);
}
// Change the number of points to CHART_NBPTS
for ($i = 0, $idx = 0, $step = ($nbPts - 1) / (CHART_NBPTS - 1); $i < CHART_NBPTS; $i++, $idx += $step) {
$jsTrack['elev'][$i] = $track['elev'][$idx];
$jsTrack['time']['hour'][$i] = sprintf("%02d", $track['time']['hour'][$idx]);
$jsTrack['time']['min'][$i] = sprintf("%02d", $track['time']['min'][$idx]);
$jsTrack['time']['sec'][$i] = sprintf("%02d", $track['time']['sec'][$idx]);
}
$jsTrack['lat'] = array();
foreach ($track['lat'] as $lat) {
$jsTrack['lat'][] = round($lat, 5);
}
$jsTrack['lon'] = array();
foreach ($track['lon'] as $lon) {
$jsTrack['lon'][] = round($lon, 5);
}
$jsTrack['elevGnd'] = GetElevGnd($track, CHART_NBPTS);
$jsTrack['speed'] = GetSpeed($track, CHART_NBPTS);
$jsTrack['vario'] = GetVario($track, CHART_NBPTS);
$jsTrack['nbTrackPt'] = $track['nbPt'];
$jsTrack['nbChartPt'] = CHART_NBPTS;
$jsTrack['nbChartLbl'] = CHART_NBLBL;
$jsTrack['date'] = $track['date'];
$jsTrack['pilot'] = $track['pilot'];
return $jsTrack;
}
function MakeTrack($url)
{
$file = implode('', file($url));
$track['date'] = array('day' => 0, 'month' => 0, 'year' => 0);
$track['pilot'] = '';
$nbPts = ParseIgc($file, $track);
if ($nbPts < 5) {
$nbPts = ParseGpx($file, $track);
}
if ($nbPts < 5) {
$nbPts = ParseTrk($file, $track);
}
if ($nbPts < 5) {
$nbPts = ParseNmea($file, $track);
}
if ($nbPts < 5) {
$nbPts = ParseOzi($file, $track);
}
if ($nbPts < 5) {
if (IsKml($file)) {
$jsTrack['kmlUrl'] = $url;
} else {
$jsTrack['error'] = 'Unsupported track format!';
}
} else {
// Generate the time in second
for ($i = 0; $i < count($track['time']['hour']); $i++) {
$track['timeSec'][$i] = $track['time']['hour'][$i] * 3600 + $track['time']['min'][$i] * 60 + $track['time']['sec'][$i];
}
// Generate CHART_NBLBL labels
for ($i = 0, $idx = 0, $step = ($nbPts - 1) / (CHART_NBLBL - 1); $i < CHART_NBLBL; $i++, $idx += $step) {
$jsTrack['time']['label'][$i] = $track['time']['hour'][$idx] . "h" . $track['time']['min'][$idx];
}
// Change the number of points to CHART_NBPTS
for ($i = 0, $idx = 0, $step = ($nbPts - 1) / (CHART_NBPTS - 1); $i < CHART_NBPTS; $i++, $idx += $step) {
$jsTrack['elev'][$i] = $track['elev'][$idx];
$jsTrack['time']['hour'][$i] = $track['time']['hour'][$idx];
$jsTrack['time']['min'][$i] = $track['time']['min'][$idx];
$jsTrack['time']['sec'][$i] = $track['time']['sec'][$idx];
}
$jsTrack['lat'] = $track['lat'];
$jsTrack['lon'] = $track['lon'];
$jsTrack['elevGnd'] = GetElevGnd($track, CHART_NBPTS);
$jsTrack['speed'] = GetSpeed($track, CHART_NBPTS);
$jsTrack['vario'] = GetVario($track, CHART_NBPTS);
$jsTrack['nbTrackPt'] = $track['nbPt'];
$jsTrack['nbChartPt'] = CHART_NBPTS;
$jsTrack['nbChartLbl'] = CHART_NBLBL;
$jsTrack['date'] = $track['date'];
$jsTrack['pilot'] = $track['pilot'];
}
//print_r($jsTrack);
$data = json::encode($jsTrack);
//print_r($data );
// if (!isset($jsTrack['error']) && !isset($jsTrack['kmlUrl'])) {
// $cache->set($data, $url);
// }
return $data;
}
