/* else {
if ($msg = @xpath_eval_expression($xpath, '//Elevation_Query/text()')) {
$msg = $msg->nodeset[0]->node_value();
}
}*/
$ds = 'SRTM3';
break;
default:
exit;
}
return array("lat" => $_lat, "lng" => $_lng, "alt" => $alt, "src" => $ds, "msg" => $msg, "url" => $url);
}
$ret = getElevation($lat, $lng, $source);
if ($ret['alt'] == "") {
$source = 'geonames';
$ret = getElevation($lat, $lng, $source);
}
$lat = $ret['lat'];
$lng = $ret['lng'];
$alt = $ret['alt'];
$ds = $ret['src'];
$msg = $ret['msg'];
$url = $ret['url'];
?>
<div>
<b><convert>#label=103<convert><!--latitude--> = <?php
echo $lat;
?>
<convert>#label=290<convert><!--°--><convert>#label=293<convert><!--N-->.<br />
<convert>#label=105<convert><!--longitude--> = <?php
echo $lng;
/**
* 標高API
*/
function elevationAPI()
{
if (preg_match('/\\b(gzip|deflate)\\b/i', $_SERVER['HTTP_ACCEPT_ENCODING'], $matches)) {
// 圧縮可能であれば圧縮する
ini_set("zlib.output_compression", "On");
}
$result = array("elevation" => "-----", "hsrc" => "-----");
$status = "OK";
if (isset($_GET['lon'])) {
if (is_numeric($_GET['lon'])) {
$lon = floatval($_GET['lon']);
} else {
$status = "ERROR";
}
}
if (isset($_GET['lat'])) {
if (is_numeric($_GET['lat'])) {
$lat = floatval($_GET['lat']);
} else {
$status = "ERROR";
}
}
$outtype = isset($_GET["outtype"]) ? $_GET["outtype"] : "";
if ($outtype != "JSON") {
$callback = isset($_GET["callback"]) ? $_GET["callback"] : "";
if (!empty($callback)) {
if (preg_match("/^([a-z]|[A-Z]|[_\$])([a-z]|[A-Z]|[_\$]|[0-9]){0,}\$/", $callback) === 0) {
$status = "ERROR";
sendResult($result, "");
return;
}
}
}
if (isset($lon) && isset($lat)) {
$lngRad = deg2rad($lon);
$latRad = deg2rad($lat);
$R = 128 / M_PI;
$worldCoordX = $R * ($lngRad + M_PI);
$worldCoordY = -1 * $R / 2 * log((1 + sin($latRad)) / (1 - sin($latRad))) + 128;
$elevation = getElevation($worldCoordX, $worldCoordY, 15, 'dem5a', 1);
$hsrc = "5m（レーザ）";
if ($elevation == NULL) {
$elevation = getElevation($worldCoordX, $worldCoordY, 15, 'dem5b', 1);
$hsrc = "5m（写真測量）";
}
if ($elevation == NULL) {
$elevation = getElevation($worldCoordX, $worldCoordY, 14, 'dem', 0);
$hsrc = "10m";
}
if ($elevation == NULL) {
$elevation = "-----";
$hsrc = "-----";
$status = "NOTFOUND";
}
$data = array("elevation" => $elevation, "hsrc" => $hsrc);
$result = $data;
} else {
$status = "ERROR";
}
sendResult($result, $callback);
}
