>
0) {
if (!is_null($imgfile)) {
if ($product instanceof Map) {
echo "![](\"$imgfile\")
";
}
else {
echo "";
}
}
else {
$s = $product->getDateString($dt0);
echo "
blah2\n";
if ($date > $this->getMaxDate($region)) return clone $this->getMaxDate($region);
//echo "blah3\n";
if ($date < $this->getMinDate($region)) return clone $this->getMinDate($region);
//echo "blah4\n";
$ndate = $this->getNextDate($region, $date);
$pdate = $this->getPreviousDate($region, $date);
if (is_null($ndate)) return $pdate;
elseif (is_null($pdate)) return $ndate;
// else we find the closest
$ndiff = $ndate->diff($date, true);
$pdiff = $pdate->diff($date, true);
if (DateIntervalCmp($pdiff,$ndiff) < 0) return $pdate;
else return $ndate;
}
function getNextDate($region, $dt) {
$date_gap_start0 = DateTime::createFromFormat('YmdHis', '20130827000000');
$date_gap_start = DateTime::createFromFormat('YmdHis', '20130828000000');
$date_gap_end0 = DateTime::createFromFormat('YmdHis', '20150518120000');
//$date_gap_end = DateTime::createFromFormat('YmdHis', '20150517120000');
$now = new DateTime('now', new DateTimeZone('UTC'));
$last = clone $dt;
$last->add(new DateInterval('P20D'));
if ($now < $last) $last = $now;
$date = clone $dt;
$date->add(new DateInterval('P1D'));
while ($date <= $last) {
if (($date >= $date_gap_start0) && ($date <= $date_gap_start)) $date = clone $date_gap_end0;
$fmask = $date->format('Ymd');
$files = glob($this->path.'/'.$this->subproduct.'/'.$region.'/'.$fmask.'*.gif');
foreach ($files as $f) {
$d = $this->file2date(basename($f));
if ($d > $dt) return $d;
}
$date->add(new DateInterval('P1D'));
}
return NULL;
}
function getPreviousDate($region, $dt) {
$date_gap_start0 = DateTime::createFromFormat('YmdHis', '20130826120000');
//$date_gap_start = DateTime::createFromFormat('YmdHis', '20130827120000');
$date_gap_end0 = DateTime::createFromFormat('YmdHis', '20150517235959');
$date_gap_end = DateTime::createFromFormat('YmdHis', '20150516235959');
// If we go back a bit and find nothing then there probably isn't
// any older data
$last = clone $dt;
$last->sub(new DateInterval('P20D'));
$date = clone $dt;
while ($date >= $last) {
if (($date >= $date_gap_end) && ($date <= $date_gap_end0)) $date = clone $date_gap_start0;
$fmask = $date->format('Ymd');
$files = glob($this->path.'/'.$this->subproduct.'/'.$region.'/'.$fmask.'*.gif');
foreach ($files as $f) {
$d = $this->file2date(basename($f));
if ($d < $dt) return $d;
}
$date->sub(new DateInterval('P1D'));
}
return NULL;
}
function getDateString($date) {
return $date->format('d M Y');
}
private function file2date($filename) {
$ymd = substr(basename($filename),0,8);
return DateTime::createFromFormat('Ymd', $ymd);
}
private function date2file($date) {
return $date->format('Ymd').'.gif';
}
public function getFilename($region, $date) {
$f = $this->path.'/'.$this->subproduct.'/'.$region.'/'.$this->date2file($date);
if (file_exists($f)) return $f;
return NULL;
}
function isDateValid($region,$date) {
//echo "date=".$date->format('YmdHis')."\n";
$dt = $this->getNearestDate($region, $date);
//echo "dt=".$dt->format('YmdHis')."\n";
if (is_null($dt)) return false;
$cmp = DateIntervalCmp($dt->diff($date,true), new DateInterval('P10D'));
return $cmp <= 0;
}
function getMinDate($region) {
return DateTime::createFromFormat('YmdHis', '20120426120000');
}
function getMaxDate($region) {
return DateTime::createFromFormat('YmdHis', '20220725000000');
}
function isMovieValid($region, $date) {
return !is_null($this->getMovieFilename($region,$date));
}
function getMovieFilename($region, $date) {
$year = $date->format('Y');
$m = intval($date->format('m'));
$q = 1;
if ($m>=4) $q = 2;
if ($m>=7) $q = 3;
if ($m>=10) $q = 4;
$fname = $region.'_'.$this->subproduct.'_'.$year.'_Q'.$q.'.mp4';
//echo "$fname\n";
$f = $this->path.'/'.$this->subproduct.'/'.$region.'/'.$fname;
if (file_exists($f)) return $f;
return null;
}
function getLegend() {
return array(
'○' => 'Argo',
'◆' => 'Glider',
'⇉' => 'Radar',
'>' => 'Drifter',
'○' => 'Ship',
'●' => 'Moorings',
'▬' => 'EAC cumulative".$dto->format('YmdHis')."\n";
//echo "$dt\n";
if (!is_null($dto)) {
//echo "".$dto->format('YmdHis')."\n";
//error_log('dto='.$dto->format('YmdHis'));
$prev = $product->getPreviousDate($region, $dto);
if (!is_null($prev)) {
$prev = $prev->format('YmdHis');
//error_log('prev='.$prev);
}
$next = $product->getNextDate($region, $dto);
if (!is_null($next)) {
$next = $next->format('YmdHis');
//error_log('next='.$next);
}
$imgNameDate = $product->getDateString($dto);
$imgfile = $product->getFilename($region, $dto);
}
else {
$prev = null;
$next = null;
$imgNameDate = $product->getDateString($dt0);
$imgfile = null;
}
function ds2d($dt) {
// php to js date splitter
$d = $dt->format('YmdHis');
$y = substr($d,0,4);
$m = substr($d,4,2);
$d = substr($d,6,2);
return "new Date($y,$m-1,$d)";
}
if (($product instanceof Map) && (!is_null($imgfile))) {
$isize = getimagesize($imgfile);
echo "\n";
}
if (isset($_REQUEST['movie']) && $_REQUEST['movie']) $showmovie = true;
else $showmovie = false;
//$ipermlink="product=$oproductname®ion=$region&date=$date&rtype=$rtype";
$ipermlink="date=$date";
$mpermlink=$ipermlink.'&movie=1';
if ($showmovie) $permlink = $mpermlink;
else $permlink = $ipermlink;
?>