642 lines
19 KiB
PHP
642 lines
19 KiB
PHP
<?php
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require_once( ABSPATH . 'wp-admin/includes/file.php' );
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require_once( 'wp-gpx-maps_utils_nggallery.php' );
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function wpgpxmaps_getAttachedImages( $dt, $lat, $lon, $dtoffset, &$error ) {
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$result = array();
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try {
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$attachments = get_children( array(
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'post_parent' => get_the_ID(),
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'post_type' => 'attachment',
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/* show all -1 */
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'numberposts' => -1,
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'post_status' => 'inherit',
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'post_mime_type' => 'image',
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'order' => 'ASC',
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'orderby' => 'menu_order ASC',
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));
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foreach ( $attachments as $attachment_id => $attachment ) {
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$img_src = wp_get_attachment_image_src( $attachment_id, 'full' );
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$img_thmb = wp_get_attachment_image_src( $attachment_id, 'thumbnail' );
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$img_metadata = wp_get_attachment_metadata( $attachment_id );
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$item = array();
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$item["data"] = wp_get_attachment_link( $attachment_id, array( 105, 105 ) );
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if ( is_callable( 'exif_read_data' ) ) {
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$exif = @exif_read_data( $img_src[0] );
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if ( $exif !== false ) {
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$item["lon"] = getExifGps( $exif["GPSLongitude"], $exif['GPSLongitudeRef'] );
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$item["lat"] = getExifGps( $exif["GPSLatitude"], $exif['GPSLatitudeRef'] );
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if ( ( $item["lat"] != 0 ) || ( $item["lon"] != 0 ) ) {
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$result[] = $item;
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} elseif ( isset( $p->imagedate ) ) {
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$_dt = strtotime( $p->imagedate ) + $dtoffset;
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$_item = findItemCoordinate( $_dt, $dt, $lat, $lon );
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if ( $_item != null ) {
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$item["lat"] = $_item["lat"];
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$item["lon"] = $_item["lon"];
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$result[] = $item;
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}
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}
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}
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} else {
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$error .= "Sorry, <a href='http://php.net/manual/en/function.exif-read-data.php' target='_blank' >exif_read_data</a> function not found! check your hosting..<br />";
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}
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}
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} catch ( Exception $e ) {
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$error .= 'Error When Retrieving attached images: $e <br />';
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}
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return $result;
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}
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function wp_gpx_maps_sitePath() {
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return substr( substr( __FILE__, 0, strrpos( __FILE__, 'wp-content' ) ), 0, -1 );
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// return substr(get_home_path(), 0, -1);
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}
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function gpxFolderPath() {
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$upload_dir = wp_upload_dir();
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$uploadsPath = $upload_dir['basedir'];
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if ( current_user_can( 'manage_options' ) ){
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$ret = $uploadsPath . DIRECTORY_SEPARATOR . 'gpx';
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}
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elseif ( current_user_can( 'publish_posts' ) ) {
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global $current_user;
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wp_get_current_user();
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$ret = $uploadsPath . DIRECTORY_SEPARATOR . 'gpx' . DIRECTORY_SEPARATOR . $current_user->user_login;
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}
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return str_replace( array( '/', '\\' ), DIRECTORY_SEPARATOR, $ret );
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}
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function gpxCacheFolderPath() {
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$upload_dir = wp_upload_dir();
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$uploadsPath = $upload_dir['basedir'];
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$ret = $uploadsPath . DIRECTORY_SEPARATOR . 'gpx' . DIRECTORY_SEPARATOR . '~cache';
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return str_replace( array( '/', '\\' ), DIRECTORY_SEPARATOR, $ret );
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}
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function relativeGpxFolderPath() {
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$sitePath = wp_gpx_maps_sitePath();
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$realGpxPath = gpxFolderPath();
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$ret = str_replace( $sitePath, '', $realGpxPath ) . DIRECTORY_SEPARATOR;
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return str_replace( array( '/', '\\' ), DIRECTORY_SEPARATOR, $ret );
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}
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function relativeGpxCacheFolderPath() {
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$sitePath = wp_gpx_maps_sitePath();
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$realGpxCachePath = gpxCacheFolderPath();
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$ret = str_replace( $sitePath, '', $realGpxCachePath ) . DIRECTORY_SEPARATOR;
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return str_replace( array( '/', '\\' ), DIRECTORY_SEPARATOR, $ret );
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}
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function wpgpxmaps_recursive_remove_directory( $directory, $empty = false ) {
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if ( substr( $directory, -1 ) == '/' )
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{
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$directory = substr( $directory, 0, -1 );
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}
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if ( ! file_exists( $directory ) || ! is_dir( $directory ) ) {
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return false;
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} elseif ( is_readable( $directory ) ) {
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$handle = opendir( $directory );
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while ( false !== ( $item = readdir( $handle ) ) ) {
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if ( $item != '.' && $item != '..' ) {
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$path = $directory . '/' . $item;
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if ( is_dir( $path ) ) {
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wpgpxmaps_recursive_remove_directory( $path );
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} else {
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unlink( $path );
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}
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}
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}
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closedir( $handle );
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if ( $empty == false ) {
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if ( ! rmdir( $directory ) ) {
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return false;
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}
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}
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}
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return true;
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}
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function wpgpxmaps_getPoints( $gpxPath, $gpxOffset = 10, $donotreducegpx, $distancetype ) {
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$points = array();
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$dist = 0;
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$lastLat = 0;
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$lastLon = 0;
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$lastEle = 0;
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$lastOffset = 0;
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if ( file_exists( $gpxPath ) ) {
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$points = @wpgpxmaps_parseXml( $gpxPath, $gpxOffset, $distancetype );
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} else {
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echo _e( 'WP GPX Maps Error: GPX file not found!', 'wp-gpx-maps' ) . ' ' . $gpxPath;
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}
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/* Reduce the points to around 200 to speedup */
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if ( $donotreducegpx != true ) {
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$count = sizeof( $points->lat );
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if ( $count > 200 ) {
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$f = round( $count/200 );
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if ( $f > 1 )
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for ( $i = $count; $i > 0;$i-- )
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if ( $i % $f != 0 && $points->lat[$i] != null ) {
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unset( $points->dt[$i] );
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unset( $points->lat[$i] );
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unset( $points->lon[$i] );
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unset( $points->ele[$i] );
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unset( $points->dist[$i] );
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unset( $points->speed[$i] );
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unset( $points->hr[$i] );
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unset( $points->atemp[$i] );
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unset( $points->cad[$i] );
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unset( $points->grade[$i] );
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}
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}
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}
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return $points;
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}
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function wpgpxmaps_parseXml( $filePath, $gpxOffset, $distancetype ) {
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$points = null;
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$points->dt = array();
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$points->lat = array();
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$points->lon = array();
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$points->ele = array();
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$points->dist = array();
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$points->speed = array();
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$points->hr = array();
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$points->atemp = array();
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$points->cad = array();
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$points->grade = array();
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$points->maxTime = 0;
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$points->minTime = 0;
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$points->maxEle = 0;
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$points->minEle = 0;
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$points->totalEleUp = 0;
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$points->totalEleDown = 0;
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$points->avgSpeed = 0;
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$points->avgCad = 0;
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$points->avgHr = 0;
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$points->avgTemp = 0;
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$points->totalLength = 0;
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$gpx = simplexml_load_file( $filePath );
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if ( $gpx === false )
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return;
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$gpx->registerXPathNamespace( 'a', 'http://www.topografix.com/GPX/1/0' );
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$gpx->registerXPathNamespace( 'b', 'http://www.topografix.com/GPX/1/1' );
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$gpx->registerXPathNamespace( 'ns3', 'http://www.garmin.com/xmlschemas/TrackPointExtension/v1' );
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$nodes = $gpx->xpath( '//trk | //a:trk | //b:trk ' );
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/* Normal GPX */
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if ( count( $nodes ) > 0 ) {
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foreach ( $nodes as $_trk ) {
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$trk = simplexml_load_string( $_trk->asXML() );
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$trk->registerXPathNamespace( 'a', 'http://www.topografix.com/GPX/1/0' );
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$trk->registerXPathNamespace( 'b', 'http://www.topografix.com/GPX/1/1' );
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$trk->registerXPathNamespace( 'ns3', 'http://www.garmin.com/xmlschemas/TrackPointExtension/v1' );
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$trkpts = $trk->xpath( '//trkpt | //a:trkpt | //b:trkpt' );
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$lastLat = 0;
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$lastLon = 0;
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$lastEle = 0;
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$lastTime = 0;
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//$dist = 0;
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$lastOffset = 0;
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$speedBuffer = array();
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foreach ( $trkpts as $trkpt ) {
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$lat = $trkpt['lat'];
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$lon = $trkpt['lon'];
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$ele = $trkpt->ele;
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$time = $trkpt->time;
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$speed = (float) $trkpt->speed;
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$hr = 0;
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$atemp = 0;
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$cad = 0;
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$grade = 0;
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if ( isset( $trkpt->extensions ) ) {
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$arr = json_decode( wp_json_encode( $trkpt->extensions ), 1 );
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if ( isset( $arr['ns3:TrackPointExtension'] ) ) {
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$tpe = $arr['ns3:TrackPointExtension'];
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$hr = @$tpe["ns3:hr"];
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$atemp = @$tpe["ns3:atemp"];
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$cad = @$tpe["ns3:cad"];
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} elseif ( isset( $arr['TrackPointExtension'] ) ) {
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$tpe = $arr['TrackPointExtension'];
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$hr = @$tpe["hr"];
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$atemp = @$tpe["atemp"];
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$cad = @$tpe["cad"];
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}
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}
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if ( $lastLat == 0 && $lastLon == 0 ) {
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/* Base Case */
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array_push( $points->dt, strtotime( $time ) );
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array_push( $points->lat, (float) $lat );
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array_push( $points->lon, (float) $lon );
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array_push( $points->ele, (float) round( $ele, 2 ) );
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array_push( $points->dist, (float) round( $dist, 2 ) );
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array_push( $points->speed, 0 );
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array_push( $points->hr, (float) $hr );
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array_push( $points->atemp, (float) $atemp );
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array_push( $points->cad, (float) $cad );
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array_push( $points->grade, $grade );
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$lastLat = $lat;
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$lastLon = $lon;
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$lastEle = $ele;
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$lastTime = $time;
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} else {
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/* Normal Case */
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$offset = calculateDistance( (float) $lat, (float) $lon, (float) $ele, (float) $lastLat, (float) $lastLon, (float) $lastEle, $distancetype );
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$dist = $dist + $offset;
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$points->totalLength = $dist;
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if ( $speed == 0 ) {
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$datediff = (float) my_date_diff( $lastTime, $time );
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if ( $datediff > 0 ) {
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$speed = $offset / $datediff;
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}
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}
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if ( $ele != 0 && $lastEle != 0 ) {
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$deltaEle = (float) ( $ele - $lastEle );
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if ( (float) $ele > (float) $lastEle ) {
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$points->totalEleUp += $deltaEle;
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} else {
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$points->totalEleDown += $deltaEle;
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}
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$grade = $deltaEle / $offset * 100;
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}
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array_push( $speedBuffer, $speed );
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if ( ( (float) $offset + (float) $lastOffset ) > $gpxOffset ) {
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/* Bigger Offset -> write coordinate */
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$avgSpeed = 0;
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foreach ( $speedBuffer as $s ) {
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$avgSpeed += $s;
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}
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$avgSpeed = $avgSpeed / count( $speedBuffer );
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$speedBuffer = array();
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$lastOffset = 0;
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array_push( $points->dt, strtotime( $time ) );
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array_push( $points->lat, (float) $lat );
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array_push( $points->lon, (float) $lon );
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array_push( $points->ele, (float) round( $ele, 2 ) );
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array_push( $points->dist, (float) round( $dist, 2 ) );
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array_push( $points->speed, (float) round( $avgSpeed, 1 ) );
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array_push( $points->hr, $hr );
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array_push( $points->atemp, $atemp );
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array_push( $points->cad, $cad );
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array_push( $points->grade, (float) round( $grade, 2 ) );
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} else {
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/* Smoller Offset -> continue.. */
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$lastOffset = (float) $lastOffset + (float) $offset;
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}
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}
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$lastLat = $lat;
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$lastLon = $lon;
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$lastEle = $ele;
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$lastTime = $time;
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}
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array_push( $points->dt, null );
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array_push( $points->lat, null );
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array_push( $points->lon, null );
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array_push( $points->ele, null );
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array_push( $points->dist, null );
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array_push( $points->speed, null );
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array_push( $points->hr, null );
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array_push( $points->atemp, null );
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array_push( $points->cad, null );
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array_push( $points->grade, null );
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unset( $trkpts );
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}
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unset( $nodes );
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try {
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array_pop( $points->dt, null );
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array_pop( $points->lat, null );
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array_pop( $points->lon, null );
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array_pop( $points->ele, null );
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array_pop( $points->dist, null );
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array_pop( $points->speed, null );
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array_pop( $points->hr, null );
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array_pop( $points->atemp, null );
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array_pop( $points->cad, null );
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array_pop( $points->grade, null );
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$_time = array_filter( $points->dt );
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$_ele = array_filter( $points->ele );
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$_dist = array_filter( $points->dist );
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$points->maxEle = max( $_ele );
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$points->minEle = min( $_ele );
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$points->totalLength = max( $_dist );
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$points->maxTime = max( $_time );
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$points->minTime = min( $_time );
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/* Calculating Average Speed */
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$_speed = array_filter( $points->speed );
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$points->avgSpeed = array_sum( $_speed ) / count( $_speed );
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/* Calculating Average Cadence */
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$_cad = array_filter( $points->cad );
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$points->avgCad = (float) round( array_sum( $_cad ) / count( $_cad ), 0 );
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/* Calculating Average Heart Rate */
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$_hr = array_filter( $points->hr );
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$points->avgHr = (float) round( array_sum( $_hr ) / count( $_hr ), 0 );
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/* Calculating Average Temperature */
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$_temp = array_filter( $points->atemp );
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$points->avgTemp = (float) round( array_sum( $_temp ) / count( $_temp ), 1 );
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} catch ( Exception $e ) {
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}
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} else {
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/* GPX Garmin case */
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$gpx->registerXPathNamespace( 'gpxx', 'http://www.garmin.com/xmlschemas/GpxExtensions/v3' );
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$nodes = $gpx->xpath( '//gpxx:rpt' );
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if ( count( $nodes ) > 0 ) {
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$lastLat = 0;
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$lastLon = 0;
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$lastEle = 0;
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$dist = 0;
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$lastOffset = 0;
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/* GPX Garmin case */
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foreach ( $nodes as $rpt ) {
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$lat = $rpt['lat'];
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$lon = $rpt['lon'];
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if ( $lastLat == 0 && $lastLon == 0 ) {
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/* Base Case */
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array_push( $points->lat, (float) $lat );
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array_push( $points->lon, (float) $lon );
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array_push( $points->ele, 0 );
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array_push( $points->dist, 0 );
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array_push( $points->speed, 0 );
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array_push( $points->hr, 0 );
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array_push( $points->atemp, 0 );
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array_push( $points->cad, 0 );
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array_push( $points->grade, 0 );
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$lastLat = $lat;
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$lastLon = $lon;
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} else {
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/* Base Case */
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$offset = calculateDistance( $lat, $lon, 0, $lastLat, $lastLon, 0, $distancetype );
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$dist = $dist + $offset;
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if ( ( (float) $offset + (float) $lastOffset ) > $gpxOffset ) {
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/* Bigger Offset -> write coordinate */
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$lastOffset = 0;
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array_push( $points->lat, (float) $lat );
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array_push( $points->lon, (float) $lon );
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array_push( $points->ele, 0 );
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array_push( $points->dist, 0 );
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array_push( $points->speed, 0 );
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array_push( $points->hr, 0 );
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array_push( $points->atemp, 0 );
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array_push( $points->cad, 0 );
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array_push( $points->grade, 0 );
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} else {
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/* Smoller Offset -> continue.. */
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$lastOffset = (float) $lastOffset + (float) $offset;
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}
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}
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$lastLat = $lat;
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$lastLon = $lon;
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}
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unset( $nodes );
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} else {
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/* GPX Strange case */
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$nodes = $gpx->xpath( '//rtept | //a:rtept | //b:rtept' );
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if ( count( $nodes ) > 0 ) {
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$lastLat = 0;
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$lastLon = 0;
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$lastEle = 0;
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$dist = 0;
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$lastOffset = 0;
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/* Garmin case */
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foreach ( $nodes as $rtept ) {
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$lat = $rtept['lat'];
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$lon = $rtept['lon'];
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if ( $lastLat == 0 && $lastLon == 0 ) {
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/* Base Case */
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array_push( $points->lat, (float) $lat );
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array_push( $points->lon, (float) $lon );
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array_push( $points->ele, 0 );
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array_push( $points->dist, 0 );
|
|
array_push( $points->speed, 0 );
|
|
array_push( $points->hr, 0 );
|
|
array_push( $points->atemp, 0 );
|
|
array_push( $points->cad, 0 );
|
|
array_push( $points->grade, 0 );
|
|
$lastLat = $lat;
|
|
$lastLon = $lon;
|
|
} else {
|
|
|
|
/* Normal Case */
|
|
$offset = calculateDistance( $lat, $lon, 0, $lastLat, $lastLon, 0, $distancetype );
|
|
$dist = $dist + $offset;
|
|
if ( ( (float) $offset + (float) $lastOffset ) > $gpxOffset ) {
|
|
|
|
/* Bigger Offset -> write coordinate */
|
|
$lastOffset = 0;
|
|
array_push( $points->lat, (float) $lat );
|
|
array_push( $points->lon, (float) $lon );
|
|
array_push( $points->ele, 0 );
|
|
array_push( $points->dist, 0 );
|
|
array_push( $points->speed, 0 );
|
|
array_push( $points->hr, 0 );
|
|
array_push( $points->atemp, 0 );
|
|
array_push( $points->cad, 0 );
|
|
array_push( $points->grade, 0 );
|
|
} else {
|
|
|
|
/* Smoller Offset -> continue.. */
|
|
$lastOffset= (float) $lastOffset + (float) $offset;
|
|
}
|
|
}
|
|
$lastLat = $lat;
|
|
$lastLon = $lon;
|
|
}
|
|
unset( $nodes );
|
|
}
|
|
}
|
|
}
|
|
unset( $gpx );
|
|
return $points;
|
|
}
|
|
|
|
function wpgpxmaps_getWayPoints( $gpxPath ) {
|
|
$points = array();
|
|
if ( file_exists( $gpxPath ) ) {
|
|
try {
|
|
$gpx = simplexml_load_file( $gpxPath );
|
|
} catch ( Exception $e ) {
|
|
echo _e( 'WP GPX Maps Error: Can’t parse xml file!', 'wp-gpx-maps' ) . ' ' . $gpxPath;
|
|
return $points;
|
|
}
|
|
|
|
$gpx->registerXPathNamespace( 'a', 'http://www.topografix.com/GPX/1/0' );
|
|
$gpx->registerXPathNamespace( 'b', 'http://www.topografix.com/GPX/1/1' );
|
|
$nodes = $gpx->xpath( '//wpt | //a:wpt | //b:wpt' );
|
|
global $wpdb;
|
|
|
|
if ( count( $nodes ) > 0 ) {
|
|
/* Normal case */
|
|
foreach ( $nodes as $wpt ) {
|
|
$lat = $wpt['lat'];
|
|
$lon = $wpt['lon'];
|
|
$ele = (string) $wpt->ele;
|
|
$time = (string) $wpt->time;
|
|
$name = (string) $wpt->name;
|
|
$desc = (string) $wpt->desc;
|
|
$sym = (string) $wpt->sym;
|
|
$type = (string) $wpt->type;
|
|
$img = '';
|
|
|
|
if ( $sym ) {
|
|
$img_name = 'map-marker-' . $sym;
|
|
$query = "SELECT ID FROM {$wpdb->prefix}posts WHERE post_name LIKE '{$img_name}' AND post_type LIKE 'attachment'";
|
|
$img_id = $wpdb->get_var( $query );
|
|
if ( ! is_null( $img_id ) ) {
|
|
$img = wp_get_attachment_url( $img_id );
|
|
}
|
|
}
|
|
|
|
array_push($points, array(
|
|
"lat" => (float) $lat,
|
|
"lon" => (float) $lon,
|
|
"ele" => (float) $ele,
|
|
"time" => $time,
|
|
"name" => $name,
|
|
"desc" => $desc,
|
|
"sym" => $sym,
|
|
"type" => $type,
|
|
"img" => $img,
|
|
));
|
|
}
|
|
}
|
|
}
|
|
return $points;
|
|
}
|
|
|
|
function toRadians( $degrees ) {
|
|
|
|
return (float) ( $degrees * 3.1415926535897932385 / 180 );
|
|
}
|
|
|
|
function calculateDistance ( $lat1, $lon1, $ele1, $lat2, $lon2, $ele2, $distancetype ) {
|
|
|
|
/* Distance typ: Climb */
|
|
if ( $distancetype == '2' ) {
|
|
return (float) $ele1 - (float) $ele2;
|
|
|
|
/* Distance typ: Flat */
|
|
} elseif ( $distancetype == '1' ) {
|
|
$alpha = (float) sin( (float) toRadians( (float) $lat2 - (float) $lat1 ) / 2 );
|
|
$beta = (float) sin( (float) toRadians( (float) $lon2 - (float) $lon1 ) / 2 );
|
|
/* Distance in meters */
|
|
$a = (float) ( (float) $alpha * (float) $alpha ) + (float) ( (float) cos( (float) toRadians( $lat1 ) ) * (float) cos( (float) toRadians( $lat2 ) ) * (float) $beta * (float) $beta );
|
|
$dist = 2 * 6369628.75 * (float) atan2( (float) sqrt( (float) $a ), (float) sqrt( 1 - (float) $a ) );
|
|
return (float) sqrt( (float) pow( (float) $dist, 2 ) + pow( (float) $lat1 - (float) $lat2, 2 ) );
|
|
|
|
/* Distance typ: Normal */
|
|
} else {
|
|
$alpha = (float) sin( (float) toRadians( (float) $lat2 - (float) $lat1 ) / 2 );
|
|
$beta = (float) sin( (float) toRadians( (float) $lon2 - (float) $lon1 ) / 2 );
|
|
/* Distance in meters */
|
|
$a = (float) ( (float) $alpha * (float) $alpha ) + (float) ( (float) cos( (float) toRadians( $lat1 ) ) * (float) cos( (float) toRadians( $lat2 ) ) * (float) $beta * (float) $beta );
|
|
$dist = 2 * 6369628.75 * (float) atan2( (float) sqrt( (float) $a ), (float) sqrt( 1 - (float) $a ) );
|
|
$d = (float) sqrt( (float) pow( (float) $dist, 2 ) + pow( (float) $lat1 - (float) $lat2, 2 ) );
|
|
return sqrt( (float) pow( (float) $ele1 - (float) $ele2, 2 ) + (float) pow( (float) $d, 2 ) );
|
|
}
|
|
}
|
|
|
|
function my_date_diff( $old_date, $new_date ) {
|
|
|
|
$t1 = strtotime( $new_date );
|
|
$t2 = strtotime( $old_date );
|
|
|
|
/* Fix for milliceconds */
|
|
$t1 += date_getDecimals( $new_date );
|
|
$t2 += date_getDecimals( $old_date );
|
|
|
|
$offset = (float) ( $t1 - $t2 );
|
|
|
|
return $offset;
|
|
}
|
|
|
|
function date_getDecimals( $date ) {
|
|
|
|
if ( preg_match( '(\.([0-9]{2})Z?)', $date, $matches ) ) {
|
|
return (float) ( (float) $matches[1] / 100 );
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
?>
|