411 lines
17 KiB
PHP
411 lines
17 KiB
PHP
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<?php
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function utcdate() {
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return gmdate("Y-m-d\Th:i:s\Z");
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}
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// get decimal coordinate from exif data
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function getDecimalCoords($exifCoord, $hemi) {
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$degrees = count($exifCoord) > 0 ? exifCoordToNumber($exifCoord[0]) : 0;
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$minutes = count($exifCoord) > 1 ? exifCoordToNumber($exifCoord[1]) : 0;
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$seconds = count($exifCoord) > 2 ? exifCoordToNumber($exifCoord[2]) : 0;
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$flip = ($hemi === 'W' or $hemi === 'S') ? -1 : 1;
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return $flip * ($degrees + $minutes / 60 + $seconds / 3600);
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}
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// parse the coordinate string to calculate the float value
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function exifCoordToNumber($coordPart) {
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$parts = explode('/', $coordPart);
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if (count($parts) <= 0)
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return 0;
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if (count($parts) === 1)
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return $parts[0];
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return floatval($parts[0]) / floatval($parts[1]);
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}
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function createDomGpxWithHeaders() {
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$dom_gpx = new DOMDocument('1.0', 'UTF-8');
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$dom_gpx->formatOutput = true;
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//root node
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$gpx = $dom_gpx->createElement('gpx');
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$gpx = $dom_gpx->appendChild($gpx);
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$gpx_version = $dom_gpx->createAttribute('version');
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$gpx->appendChild($gpx_version);
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$gpx_version_text = $dom_gpx->createTextNode('1.0');
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$gpx_version->appendChild($gpx_version_text);
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$gpx_creator = $dom_gpx->createAttribute('creator');
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$gpx->appendChild($gpx_creator);
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$gpx_creator_text = $dom_gpx->createTextNode('GpxPod conversion tool');
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$gpx_creator->appendChild($gpx_creator_text);
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$gpx_xmlns_xsi = $dom_gpx->createAttribute('xmlns:xsi');
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$gpx->appendChild($gpx_xmlns_xsi);
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$gpx_xmlns_xsi_text = $dom_gpx->createTextNode('http://www.w3.org/2001/XMLSchema-instance');
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$gpx_xmlns_xsi->appendChild($gpx_xmlns_xsi_text);
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$gpx_xmlns = $dom_gpx->createAttribute('xmlns');
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$gpx->appendChild($gpx_xmlns);
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$gpx_xmlns_text = $dom_gpx->createTextNode('http://www.topografix.com/GPX/1/0');
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$gpx_xmlns->appendChild($gpx_xmlns_text);
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$gpx_xsi_schemaLocation = $dom_gpx->createAttribute('xsi:schemaLocation');
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$gpx->appendChild($gpx_xsi_schemaLocation);
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$gpx_xsi_schemaLocation_text = $dom_gpx->createTextNode('http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd');
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$gpx_xsi_schemaLocation->appendChild($gpx_xsi_schemaLocation_text);
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$gpx_time = $dom_gpx->createElement('time');
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$gpx_time = $gpx->appendChild($gpx_time);
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$gpx_time_text = $dom_gpx->createTextNode(utcdate());
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$gpx_time->appendChild($gpx_time_text);
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return $dom_gpx;
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}
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function jpgToGpx($jpgFilePath, $fileName) {
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$result = '';
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$exif = \exif_read_data($jpgFilePath, 0, true);
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if ( isset($exif['GPS'])
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and isset($exif['GPS']['GPSLongitude'])
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and isset($exif['GPS']['GPSLatitude'])
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and isset($exif['GPS']['GPSLatitudeRef'])
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and isset($exif['GPS']['GPSLongitudeRef'])
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) {
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$lon = getDecimalCoords($exif['GPS']['GPSLongitude'], $exif['GPS']['GPSLongitudeRef']);
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$lat = getDecimalCoords($exif['GPS']['GPSLatitude'], $exif['GPS']['GPSLatitudeRef']);
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$dom_gpx = createDomGpxWithHeaders();
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$gpx = $dom_gpx->getElementsByTagName('gpx')->item(0);
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$gpx_wpt = $dom_gpx->createElement('wpt');
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$gpx_wpt = $gpx->appendChild($gpx_wpt);
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$gpx_wpt_lat = $dom_gpx->createAttribute('lat');
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$gpx_wpt->appendChild($gpx_wpt_lat);
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$gpx_wpt_lat_text = $dom_gpx->createTextNode($lat);
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$gpx_wpt_lat->appendChild($gpx_wpt_lat_text);
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$gpx_wpt_lon = $dom_gpx->createAttribute('lon');
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$gpx_wpt->appendChild($gpx_wpt_lon);
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$gpx_wpt_lon_text = $dom_gpx->createTextNode($lon);
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$gpx_wpt_lon->appendChild($gpx_wpt_lon_text);
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$gpx_name = $dom_gpx->createElement('name');
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$gpx_name = $gpx_wpt->appendChild($gpx_name);
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$gpx_name_text = $dom_gpx->createTextNode($fileName);
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$gpx_name->appendChild($gpx_name_text);
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$gpx_symbol = $dom_gpx->createElement('sym');
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$gpx_symbol = $gpx_wpt->appendChild($gpx_symbol);
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$gpx_symbol_text = $dom_gpx->createTextNode('Flag, Blue');
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$gpx_symbol->appendChild($gpx_symbol_text);
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$result = $dom_gpx->saveXML();
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}
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return $result;
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}
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function kmlToGpx($kmlFilePath) {
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$kmlcontent = file_get_contents($kmlFilePath);
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$dom_kml = new DOMDocument();
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$dom_kml->loadXML($kmlcontent);
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$dom_gpx = createDomGpxWithHeaders();
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$gpx = $dom_gpx->getElementsByTagName('gpx')->item(0);
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// placemarks
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$names = array();
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foreach ($dom_kml->getElementsByTagName('Placemark') as $placemark) {
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//name
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foreach ($placemark->getElementsByTagName('name') as $name) {
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$name = $name->nodeValue;
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//check if the key exists
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if (array_key_exists($name, $names)) {
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//increment the value
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++$names[$name];
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$name = $name." ({$names[$name]})";
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} else {
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$names[$name] = 0;
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}
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}
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//description
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foreach ($placemark->getElementsByTagName('description') as $description) {
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$description = $description->nodeValue;
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}
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foreach ($placemark->getElementsByTagName('Point') as $point) {
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foreach ($point->getElementsByTagName('coordinates') as $coordinates) {
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//add the marker
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$coordinate = $coordinates->nodeValue;
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$coordinate = str_replace(" ", "", $coordinate);//trim white space
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$latlng = explode(",", $coordinate);
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if (($lat = $latlng[1]) && ($lng = $latlng[0])) {
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$gpx_wpt = $dom_gpx->createElement('wpt');
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$gpx_wpt = $gpx->appendChild($gpx_wpt);
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$gpx_wpt_lat = $dom_gpx->createAttribute('lat');
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$gpx_wpt->appendChild($gpx_wpt_lat);
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$gpx_wpt_lat_text = $dom_gpx->createTextNode($lat);
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$gpx_wpt_lat->appendChild($gpx_wpt_lat_text);
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$gpx_wpt_lon = $dom_gpx->createAttribute('lon');
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$gpx_wpt->appendChild($gpx_wpt_lon);
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$gpx_wpt_lon_text = $dom_gpx->createTextNode($lng);
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$gpx_wpt_lon->appendChild($gpx_wpt_lon_text);
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$gpx_time = $dom_gpx->createElement('time');
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$gpx_time = $gpx_wpt->appendChild($gpx_time);
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$gpx_time_text = $dom_gpx->createTextNode(utcdate());
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$gpx_time->appendChild($gpx_time_text);
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$gpx_name = $dom_gpx->createElement('name');
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$gpx_name = $gpx_wpt->appendChild($gpx_name);
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$gpx_name_text = $dom_gpx->createTextNode($name);
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$gpx_name->appendChild($gpx_name_text);
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$gpx_desc = $dom_gpx->createElement('desc');
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$gpx_desc = $gpx_wpt->appendChild($gpx_desc);
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$gpx_desc_text = $dom_gpx->createTextNode($description);
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$gpx_desc->appendChild($gpx_desc_text);
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$gpx_sym = $dom_gpx->createElement('sym');
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$gpx_sym = $gpx_wpt->appendChild($gpx_sym);
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$gpx_sym_text = $dom_gpx->createTextNode('Waypoint');
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$gpx_sym->appendChild($gpx_sym_text);
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if (count($latlng) > 2) {
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$gpx_ele = $dom_gpx->createElement('ele');
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$gpx_ele = $gpx_wpt->appendChild($gpx_ele);
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$gpx_ele_text = $dom_gpx->createTextNode($latlng[2]);
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$gpx_ele->appendChild($gpx_ele_text);
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}
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}
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}
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}
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foreach ($placemark->getElementsByTagName('Polygon') as $lineString) {
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$outbounds = $lineString->getElementsByTagName('outerBoundaryIs');
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foreach ($outbounds as $outbound) {
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foreach ($outbound->getElementsByTagName('coordinates') as $coordinates) {
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//add the new track
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$gpx_trk = $dom_gpx->createElement('trk');
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$gpx_trk = $gpx->appendChild($gpx_trk);
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$gpx_name = $dom_gpx->createElement('name');
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$gpx_name = $gpx_trk->appendChild($gpx_name);
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$gpx_name_text = $dom_gpx->createTextNode($name);
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$gpx_name->appendChild($gpx_name_text);
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$gpx_trkseg = $dom_gpx->createElement('trkseg');
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$gpx_trkseg = $gpx_trk->appendChild($gpx_trkseg);
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$coordinates = trim($coordinates->nodeValue);
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$coordinates = preg_split("/[\s\r\n]+/", $coordinates); //split the coords by new line
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foreach ($coordinates as $coordinate) {
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$latlng = explode(",", $coordinate);
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if (($lat = $latlng[1]) && ($lng = $latlng[0])) {
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$gpx_trkpt = $dom_gpx->createElement('trkpt');
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$gpx_trkpt = $gpx_trkseg->appendChild($gpx_trkpt);
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$gpx_trkpt_lat = $dom_gpx->createAttribute('lat');
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$gpx_trkpt->appendChild($gpx_trkpt_lat);
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$gpx_trkpt_lat_text = $dom_gpx->createTextNode($lat);
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$gpx_trkpt_lat->appendChild($gpx_trkpt_lat_text);
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$gpx_trkpt_lon = $dom_gpx->createAttribute('lon');
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$gpx_trkpt->appendChild($gpx_trkpt_lon);
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$gpx_trkpt_lon_text = $dom_gpx->createTextNode($lng);
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$gpx_trkpt_lon->appendChild($gpx_trkpt_lon_text);
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$gpx_time = $dom_gpx->createElement('time');
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$gpx_time = $gpx_trkpt->appendChild($gpx_time);
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$gpx_time_text = $dom_gpx->createTextNode(utcdate());
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$gpx_time->appendChild($gpx_time_text);
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if (count($latlng) > 2) {
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$gpx_ele = $dom_gpx->createElement('ele');
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$gpx_ele = $gpx_trkpt->appendChild($gpx_ele);
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$gpx_ele_text = $dom_gpx->createTextNode($latlng[2]);
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$gpx_ele->appendChild($gpx_ele_text);
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}
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}
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}
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}
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}
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}
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foreach ($placemark->getElementsByTagName('LineString') as $lineString) {
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foreach ($lineString->getElementsByTagName('coordinates') as $coordinates) {
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//add the new track
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$gpx_trk = $dom_gpx->createElement('trk');
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$gpx_trk = $gpx->appendChild($gpx_trk);
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$gpx_name = $dom_gpx->createElement('name');
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$gpx_name = $gpx_trk->appendChild($gpx_name);
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$gpx_name_text = $dom_gpx->createTextNode($name);
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$gpx_name->appendChild($gpx_name_text);
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$gpx_trkseg = $dom_gpx->createElement('trkseg');
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$gpx_trkseg = $gpx_trk->appendChild($gpx_trkseg);
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$coordinates = trim($coordinates->nodeValue);
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$coordinates = preg_split("/[\s\r\n]+/", $coordinates); //split the coords by new line
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foreach ($coordinates as $coordinate) {
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$latlng = explode(",", $coordinate);
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if (($lat = $latlng[1]) && ($lng = $latlng[0])) {
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$gpx_trkpt = $dom_gpx->createElement('trkpt');
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$gpx_trkpt = $gpx_trkseg->appendChild($gpx_trkpt);
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$gpx_trkpt_lat = $dom_gpx->createAttribute('lat');
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$gpx_trkpt->appendChild($gpx_trkpt_lat);
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$gpx_trkpt_lat_text = $dom_gpx->createTextNode($lat);
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$gpx_trkpt_lat->appendChild($gpx_trkpt_lat_text);
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$gpx_trkpt_lon = $dom_gpx->createAttribute('lon');
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$gpx_trkpt->appendChild($gpx_trkpt_lon);
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$gpx_trkpt_lon_text = $dom_gpx->createTextNode($lng);
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$gpx_trkpt_lon->appendChild($gpx_trkpt_lon_text);
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$gpx_time = $dom_gpx->createElement('time');
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$gpx_time = $gpx_trkpt->appendChild($gpx_time);
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$gpx_time_text = $dom_gpx->createTextNode(utcdate());
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$gpx_time->appendChild($gpx_time_text);
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if (count($latlng) > 2) {
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$gpx_ele = $dom_gpx->createElement('ele');
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$gpx_ele = $gpx_trkpt->appendChild($gpx_ele);
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$gpx_ele_text = $dom_gpx->createTextNode($latlng[2]);
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$gpx_ele->appendChild($gpx_ele_text);
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}
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}
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}
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}
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}
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}
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return $dom_gpx->saveXML();
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}
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function unicsvToGpx($csvFilePath) {
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$result = '';
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$dom_gpx = createDomGpxWithHeaders();
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$gpx = $dom_gpx->getElementsByTagName('gpx')->item(0);
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$csv = array_map('str_getcsv', file($csvFilePath, FILE_SKIP_EMPTY_LINES));
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$keys = array_shift($csv);
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foreach ($csv as $i=>$row) {
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$csv[$i] = array_combine($keys, $row);
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}
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foreach ($csv as $line) {
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$lat = $line['Latitude'];
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$lon = $line['Longitude'];
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$gpx_wpt = $dom_gpx->createElement('wpt');
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$gpx_wpt = $gpx->appendChild($gpx_wpt);
|
||
|
|
|
||
|
|
$gpx_wpt_lat = $dom_gpx->createAttribute('lat');
|
||
|
|
$gpx_wpt->appendChild($gpx_wpt_lat);
|
||
|
|
$gpx_wpt_lat_text = $dom_gpx->createTextNode($lat);
|
||
|
|
$gpx_wpt_lat->appendChild($gpx_wpt_lat_text);
|
||
|
|
|
||
|
|
$gpx_wpt_lon = $dom_gpx->createAttribute('lon');
|
||
|
|
$gpx_wpt->appendChild($gpx_wpt_lon);
|
||
|
|
$gpx_wpt_lon_text = $dom_gpx->createTextNode($lon);
|
||
|
|
$gpx_wpt_lon->appendChild($gpx_wpt_lon_text);
|
||
|
|
|
||
|
|
if (array_key_exists('Symbol', $line)) {
|
||
|
|
$gpx_symbol = $dom_gpx->createElement('sym');
|
||
|
|
$gpx_symbol = $gpx_wpt->appendChild($gpx_symbol);
|
||
|
|
$gpx_symbol_text = $dom_gpx->createTextNode($line['Symbol']);
|
||
|
|
$gpx_symbol->appendChild($gpx_symbol_text);
|
||
|
|
}
|
||
|
|
if (array_key_exists('Name', $line)) {
|
||
|
|
$gpx_name = $dom_gpx->createElement('name');
|
||
|
|
$gpx_name = $gpx_wpt->appendChild($gpx_name);
|
||
|
|
$gpx_name_text = $dom_gpx->createTextNode($line['Name']);
|
||
|
|
$gpx_name->appendChild($gpx_name_text);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
$result = $dom_gpx->saveXML();
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
function tcxToGpx($tcxFilePath) {
|
||
|
|
$tcxcontent = file_get_contents($tcxFilePath);
|
||
|
|
$dom_tcx = new DOMDocument();
|
||
|
|
$dom_tcx->loadXML($tcxcontent);
|
||
|
|
|
||
|
|
$dom_gpx = createDomGpxWithHeaders();
|
||
|
|
$gpx = $dom_gpx->getElementsByTagName('gpx')->item(0);
|
||
|
|
|
||
|
|
foreach ($dom_tcx->getElementsByTagName('Course') as $course) {
|
||
|
|
$name = '';
|
||
|
|
foreach ($course->getElementsByTagName('Name') as $name) {
|
||
|
|
$name = $name->nodeValue;
|
||
|
|
}
|
||
|
|
//add the new track
|
||
|
|
$gpx_trk = $dom_gpx->createElement('trk');
|
||
|
|
$gpx_trk = $gpx->appendChild($gpx_trk);
|
||
|
|
|
||
|
|
$gpx_name = $dom_gpx->createElement('name');
|
||
|
|
$gpx_name = $gpx_trk->appendChild($gpx_name);
|
||
|
|
$gpx_name_text = $dom_gpx->createTextNode($name);
|
||
|
|
$gpx_name->appendChild($gpx_name_text);
|
||
|
|
|
||
|
|
foreach ($course->getElementsByTagName('Track') as $track) {
|
||
|
|
|
||
|
|
$gpx_trkseg = $dom_gpx->createElement('trkseg');
|
||
|
|
$gpx_trkseg = $gpx_trk->appendChild($gpx_trkseg);
|
||
|
|
|
||
|
|
foreach ($track->getElementsByTagName('Trackpoint') as $trackpoint) {
|
||
|
|
|
||
|
|
$gpx_trkpt = $dom_gpx->createElement('trkpt');
|
||
|
|
$gpx_trkpt = $gpx_trkseg->appendChild($gpx_trkpt);
|
||
|
|
|
||
|
|
foreach ($trackpoint->getElementsByTagName('Time') as $time) {
|
||
|
|
$gpx_time = $dom_gpx->createElement('time');
|
||
|
|
$gpx_time = $gpx_trkpt->appendChild($gpx_time);
|
||
|
|
$gpx_time_text = $dom_gpx->createTextNode($time->nodeValue);
|
||
|
|
$gpx_time->appendChild($gpx_time_text);
|
||
|
|
}
|
||
|
|
foreach ($trackpoint->getElementsByTagName('Position') as $position) {
|
||
|
|
foreach ($trackpoint->getElementsByTagName('LatitudeDegrees') as $lat) {
|
||
|
|
$gpx_trkpt_lat = $dom_gpx->createAttribute('lat');
|
||
|
|
$gpx_trkpt->appendChild($gpx_trkpt_lat);
|
||
|
|
$gpx_trkpt_lat_text = $dom_gpx->createTextNode($lat->nodeValue);
|
||
|
|
$gpx_trkpt_lat->appendChild($gpx_trkpt_lat_text);
|
||
|
|
}
|
||
|
|
foreach ($trackpoint->getElementsByTagName('LongitudeDegrees') as $lon) {
|
||
|
|
$gpx_trkpt_lon = $dom_gpx->createAttribute('lon');
|
||
|
|
$gpx_trkpt->appendChild($gpx_trkpt_lon);
|
||
|
|
$gpx_trkpt_lon_text = $dom_gpx->createTextNode($lon->nodeValue);
|
||
|
|
$gpx_trkpt_lon->appendChild($gpx_trkpt_lon_text);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
foreach ($trackpoint->getElementsByTagName('AltitudeMeters') as $ele) {
|
||
|
|
$gpx_ele = $dom_gpx->createElement('ele');
|
||
|
|
$gpx_ele = $gpx_trkpt->appendChild($gpx_ele);
|
||
|
|
$gpx_ele_text = $dom_gpx->createTextNode($ele->nodeValue);
|
||
|
|
$gpx_ele->appendChild($gpx_ele_text);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $dom_gpx->saveXML();
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|