WP-GPX-Maps.js

@@ -4,37 +4,71 @@
 
 */
 
+var t;
+var funqueue = [];
 var infowindow;
+var mapLoading = false;
+var CustomMarker;
 
-  function CustomMarker( map, latlng, src, img_w, img_h) {
+var wrapFunction = function(fn, context, params) {
-    this.latlng_ = latlng;
+    return function() {
+        fn.apply(context, params);
+    };
+}
 
-    // Once the LatLng and text are set, add the overlay to the map.  This will
+function wpgpxmaps(params)
-    // trigger a call to panes_changed which should in turn call draw.
+{
-    this.setMap(map);
+	funqueue.push( wrapFunction(_wpgpxmaps, this, [params]));
-	this.src_ = src;
+	unqueue();
-	this.img_w_ = img_w;
+}
-	this.img_h_ = img_h;
-  }
 
-  CustomMarker.prototype = new google.maps.OverlayView();
+function unqueue()
+{
+	if ((google == undefined || google.maps == undefined || Highcharts == undefined))
+	{
+		t = setTimeout("unqueue()",200);
+	}
+	else
+	{
+		setup();
+		while (funqueue.length > 0) {
+			(funqueue.shift())();   
+		}
+	}
+}
 
-  CustomMarker.prototype.draw = function() {
+function setup()
-    var me = this;
+{
 
-    // Check if the el has been created.
+	CustomMarker = function( map, latlng, src, img_w, img_h) {
-    var el = this.img_;
+		this.latlng_ = latlng;
-    if (!el) {
 
-      el = this.img_ = document.createElement('img');
+		// Once the LatLng and text are set, add the overlay to the map.  This will
+		// trigger a call to panes_changed which should in turn call draw.
+		this.setMap(map);
+		this.src_ = src;
+		this.img_w_ = img_w;
+		this.img_h_ = img_h;
+	}
+
+	CustomMarker.prototype = new google.maps.OverlayView();
+
+	CustomMarker.prototype.draw = function() {
+	var me = this;
+
+	// Check if the el has been created.
+	var el = this.img_;
+	if (!el) {
+
+	  el = this.img_ = document.createElement('img');
 	  el.style.cssText = "border:1px solid #fff;position:absolute;cursor:pointer;margin:0;width:"+(this.img_w_/3)+"px;height:"+(this.img_h_/3)+"px;z-index:1;";
 	  el.setAttribute("lat",this.latlng_.lat());
 	  el.setAttribute("lon",this.latlng_.lng());
 	  el.src=this.src_;
 	  
-      google.maps.event.addDomListener(el, "click", function(event) {
+	  google.maps.event.addDomListener(el, "click", function(event) {
-        google.maps.event.trigger(me, "click",el);
+		google.maps.event.trigger(me, "click",el);
-      });
+	  });
 
 		google.maps.event.addDomListener(el, "mouseover", function(event) {
 			var _t = el.style.top.replace('px','');
@@ -58,30 +92,34 @@ var infowindow;
 			  }, 100);
 		});
 
-      // Then add the overlay to the DOM
+	  // Then add the overlay to the DOM
-      var panes = this.getPanes();
+	  var panes = this.getPanes();
-      panes.overlayImage.appendChild(el);
+	  panes.overlayImage.appendChild(el);
-    }
+	}
 
-    // Position the overlay 
+	// Position the overlay 
-    var point = this.getProjection().fromLatLngToDivPixel(this.latlng_);
+	var point = this.getProjection().fromLatLngToDivPixel(this.latlng_);
-    if (point) {
+	if (point) {
-      el.style.left = point.x + 'px';
+	  el.style.left = point.x + 'px';
-      el.style.top = point.y + 'px';
+	  el.style.top = point.y + 'px';
 	  this.orig_left = point.x;
 	  this.orig_top = point.y;
-    }
+	}
-  };
+	};
 
-  CustomMarker.prototype.remove = function() {
+	CustomMarker.prototype.remove = function() {
-    // Check if the overlay was on the map and needs to be removed.
+	// Check if the overlay was on the map and needs to be removed.
-    if (this.img_) {
+	if (this.img_) {
-      this.img_.parentNode.removeChild(this.img_);
+	  this.img_.parentNode.removeChild(this.img_);
-      this.img_ = null;
+	  this.img_ = null;
-    }
+	}
-  };
+	};
 
-function wpgpxmaps(params)
+}
+
+
+
+function _wpgpxmaps(params)
 {
 
 	var targetId = params.targetId;
@@ -91,6 +129,7 @@ function wpgpxmaps(params)
 	var graphEle = params.graphEle;
 	var graphSpeed = params.graphSpeed;
 	var graphHr = params.graphHr;
+	var graphCad = params.graphCad;
 	var waypoints = params.waypoints;
 	var unit = params.unit;
 	var unitspeed = params.unitspeed;
@@ -98,6 +137,7 @@ function wpgpxmaps(params)
 	var color2 = params.color2;
 	var color3 = params.color3;
 	var color4 = params.color4;
+	var color5 = params.color5;
 	var chartFrom1 = params.chartFrom1;
 	var chartTo1 = params.chartTo1;
 	var chartFrom2 = params.chartFrom2;
@@ -569,10 +609,49 @@ function wpgpxmaps(params)
 			
 			l_y_arr.push(l_hr);
 		}
+		
+		if (graphCad != '')
+		{
+			
+			var l_cad = { suf : "", dec : 0 };
+			
+			var cadData = [];
+		
+			for (i=0; i<valLen; i++) 
+			{
+				cadData.push([graphDist[i],graphCad[i]]);
+			}
 
+			var yaxe = { 
+				title: { text: null },
+				labels: {
+					//align: 'right',
+					formatter: function() {
+						return Highcharts.numberFormat(this.value, l_cad.dec) + l_cad.suf;
+					}
+				},
+				opposite: true
+			}
+								
+			hoptions.yAxis.push(yaxe);
+			hoptions.series.push({
+									name: 'Cadence',
+									lineWidth: 1,
+									marker: { radius: 0 },
+									data : cadData,
+									color: color5,
+									yAxis: hoptions.series.length
+								});			
+			
+			l_y_arr.push(l_cad);
+		}
+		
 		var hchart = new Highcharts.Chart(hoptions);
 	
 	}
+	else  {
+		jQuery("#hchart_" + params.targetId).css("display","none");
+	}
 	
 }
 

readme.txt

@@ -1,10 +1,10 @@
 === WP GPX Maps ===
 Contributors: bastianonm
 Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=8VHWLRW6JBTML
-Tags: maps, gpx, gps, graph, chart, google maps, highcharts, track, garmin, image, nextgen-gallery, nextgen, exif, OpenStreetMap, OpenCycleMap, Hike&Bike, heart rate, heartrate
+Tags: maps, gpx, gps, graph, chart, google maps, highcharts, track, garmin, image, nextgen-gallery, nextgen, exif, OpenStreetMap, OpenCycleMap, Hike&Bike, heart rate, heartrate, cadence
 Requires at least: 2.0.0
 Tested up to: 3.3
-Stable tag: 1.1.15
+Stable tag: 1.1.16
 License: GPLv2 or later
 
 Draws a gpx track with altitude graph
@@ -77,9 +77,13 @@ The attributes are:
 
 1. showhr: show heart rate inside the chart (default is FALSE)
 
+1. showcad: show cadence inside the chart (default is FALSE)
+
 1. glinecolorspeed: speed line color (default is #ff0000)
 
-1. glinecolorhr:  heart rate line color (default is #ff77bd)
+1. glinecolorhr: heart rate line color (default is #ff77bd)
+
+1. glinecolorcad: cadence line color (default is #beecff)
 
 1. uomspeed: the unit of measure of speed are: 0, 1, 2 (0 = m/s, 1 = km/h, 2 = miles/h)
 
@@ -115,8 +119,13 @@ Yes!
 1. Gpx with waypoints
 2. Admin area - List of tracks
 2. Admin area - Settings
+2. Altitude & Speed
+2. Altitude & Speed & Hearth rate
 
 == Changelog ==
+= 1.1.16 = 
+* Cadence chart (where available)
+* minor bug fixes
 = 1.1.15 =
 * migration from google chart to highcharts. Highcharts are much better than google chart! This is the base for a new serie of improvements. Stay in touch for the next releases!
 * heart rate chart (where available)
@@ -189,6 +198,7 @@ Yes!
 * Initial release
 
 == Upgrade Notice ==
+= 1.1.16 = 
 = 1.1.15 =
 = 1.1.14 =
 = 1.1.13 =

wp-gpx-maps.php

@@ -3,7 +3,7 @@
 Plugin Name: WP-GPX-Maps
 Plugin URI: http://www.darwinner.it/
 Description: Draws a gpx track with altitude graph
-Version: 1.1.15
+Version: 1.1.16
 Author: Bastianon Massimo
 Author URI: http://www.pedemontanadelgrappa.it/
 License: GPL
@@ -19,10 +19,8 @@ add_shortcode('sgpx','handle_WP_GPX_Maps_Shortcodes');
 register_activation_hook(__FILE__,'WP_GPX_Maps_install'); 
 register_deactivation_hook( __FILE__, 'WP_GPX_Maps_remove');	
 add_filter('plugin_action_links', 'WP_GPX_Maps_action_links', 10, 2);
-
 add_action('wp_enqueue_scripts', 'enqueue_WP_GPX_Maps_scripts');
 
-
 function WP_GPX_Maps_action_links($links, $file) {
     static $this_plugin;
  
@@ -60,7 +58,8 @@ function print_WP_GPX_Maps_scripts()
 	</script>
 	<style type="text/css">
 		.wpgpxmaps { clear:both; }
-		.wpgpxmaps img{ width: auto; max-width: auto; }
+		.entry-content .wpgpxmaps img,
+		.wpgpxmaps img { max-width: none; width: none; }
 		.wpgpxmaps .ngimages { display:none; }
 	</style>
 <?php
@@ -92,6 +91,7 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 	$mh =                 findValue($attr, "mheight",            "wpgpxmaps_height",          		 "450px");
 	$mt =                 findValue($attr, "mtype",              "wpgpxmaps_map_type",        		 "HYBRID");
 	$gh =                 findValue($attr, "gheight",            "wpgpxmaps_graph_height",    		 "200px");
+	$showCad =            findValue($attr, "showcad",            "wpgpxmaps_show_cadence",   		 false);
 	$showHr =             findValue($attr, "showhr",             "wpgpxmaps_show_hr",   		 	 false);
 	$showW =              findValue($attr, "waypoints",          "wpgpxmaps_show_waypoint",   		 false);
 	$showSpeed =          findValue($attr, "showspeed",          "wpgpxmaps_show_speed",      		 false);
@@ -103,6 +103,7 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 	$color_graph =        findValue($attr, "glinecolor",         "wpgpxmaps_graph_line_color",       "#3366cc");
 	$color_graph_speed =  findValue($attr, "glinecolorspeed",    "wpgpxmaps_graph_line_color_speed", "#ff0000");
 	$color_graph_hr =  	  findValue($attr, "glinecolorhr",       "wpgpxmaps_graph_line_color_hr",    "#ff77bd");
+	$color_graph_cad =    findValue($attr, "glinecolorcad",      "wpgpxmaps_graph_line_color_cad",   "#beecff");
 	$chartFrom1 =         findValue($attr, "chartfrom1",         "wpgpxmaps_graph_offset_from1",     "");
 	$chartTo1 =           findValue($attr, "chartfo1",           "wpgpxmaps_graph_offset_to1",       "");
 	$chartFrom2 =         findValue($attr, "chartfrom2",         "wpgpxmaps_graph_offset_from2", 	 "");
@@ -115,16 +116,14 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 
 	$r = rand(1,5000000);
 	
-	$cacheFileName = "$gpx,$w,$mh,$mt,$gh,$showW,showHr,$donotreducegpx,$pointsoffset,$showSpeed,$uom,v1.1.15";
+	$cacheFileName = "$gpx,$w,$mh,$mt,$gh,$showW,$showHr,$showCad,$donotreducegpx,$pointsoffset,$showSpeed,$uom,v1.1.16";
 
 	$cacheFileName = md5($cacheFileName);
 	
 	$gpxcache = gpxCacheFolderPath();
 	
 	if(!(file_exists($gpxcache) && is_dir($gpxcache)))
-	{
 		@mkdir($gpxcache,0755,true);
-	}
 	
 	$gpxcache.= DIRECTORY_SEPARATOR.$cacheFileName.".tmp";
 	
@@ -138,7 +137,8 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 			$points_graph_dist = $cache_obj["points_graph_dist"];
 			$points_graph_ele = $cache_obj["points_graph_ele"];
 			$points_graph_speed = $cache_obj["points_graph_speed"];
-			$points_graph_hr = $cache_obj["points_graph_hr"];		
+			$points_graph_hr = $cache_obj["points_graph_hr"];
+			$points_graph_cad = $cache_obj["points_graph_cad"];
 			$waypoints = $cache_obj["waypoints"];
 		} catch (Exception $e) {
 			$points_maps= '';
@@ -146,6 +146,7 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 			$points_graph_ele = '';
 			$points_graph_speed = '';
 			$points_graph_hr = '';
+			$points_graph_cad = '';
 			$waypoints= '';
 		}
 	}
@@ -179,6 +180,7 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 		$points_graph_ele = '';
 		$points_graph_speed = '';
 		$points_graph_hr = '';
+		$points_graph_cad = '';
 		$waypoints = '';
 			
 		foreach(array_keys($points->lat) as $i) 
@@ -224,6 +226,11 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 				$points_graph_hr .= $points->hr[$i].',';
 			}
 			
+			if ($showCad == true)
+			{
+				$points_graph_cad .= $points->cad[$i].',';
+			}
+			
 		}
 			
 		if ($showW == true)
@@ -241,6 +248,7 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 		$points_graph_ele = preg_replace($p, "", $points_graph_ele);
 		$points_graph_speed = preg_replace($p, "", $points_graph_speed);
 		$points_graph_hr = preg_replace($p, "", $points_graph_hr);
+		$points_graph_cad = preg_replace($p, "", $points_graph_cad);
 			
 		$waypoints = preg_replace($p, "", $waypoints);
 		
@@ -255,6 +263,9 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 			
 		if (preg_match("/^(0,?)+$/", $points_graph_hr)) 
 			$points_graph_hr = "";
+			
+		if (preg_match("/^(0,?)+$/", $points_graph_cad)) 
+			$points_graph_cad = "";
 		
 	}
 	
@@ -279,6 +290,7 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 									"points_graph_ele" => $points_graph_ele, 
 									"points_graph_speed" => $points_graph_speed, 
 									"points_graph_hr" => $points_graph_hr, 
+									"points_graph_cad" => $points_graph_cad,
 									"waypoints" => $waypoints)
 							), 
 				   LOCK_EX);
@@ -292,7 +304,6 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 			<div id="ngimages_'.$r.'" class="ngimages" style="display:none">'.$ngimgs_data.'</div>
 		</div>
 		<script type="text/javascript">
-		
 		    jQuery(document).ready(function() {
 				wpgpxmaps({ targetId    : "'.$r.'",
 							mapType     : "'.$mt.'",
@@ -301,6 +312,7 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 							graphEle    : ['.$points_graph_ele.'],
 							graphSpeed  : ['.$points_graph_speed.'],
 							graphHr     : ['.$points_graph_hr.'],
+							graphCad    : ['.$points_graph_cad.'],
 							waypoints   : ['.$waypoints.'],
 							unit        : "'.$uom.'",
 							unitspeed   : "'.$uomspeed.'",
@@ -308,6 +320,7 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 							color2      : "'.$color_graph.'",
 							color3      : "'.$color_graph_speed.'",
 							color4      : "'.$color_graph_hr.'",
+							color5      : "'.$color_graph_cad.'",
 							chartFrom1  : "'.$chartFrom1.'",
 							chartTo1    : "'.$chartTo1.'",
 							chartFrom2  : "'.$chartFrom2.'",
@@ -317,7 +330,6 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 							currentIcon : "'.$currentIcon.'"
 						   });
 			});
-		
 		</script>';	
 
 	return $output;
@@ -367,6 +379,7 @@ function WP_GPX_Maps_install() {
 	add_option("wpgpxmaps_graph_line_color", '#3366cc', '', 'yes');
 	add_option("wpgpxmaps_graph_line_color_speed", '#ff0000', '', 'yes');
 	add_option("wpgpxmaps_map_line_color", '#3366cc', '', 'yes');
+	add_option("wpgpxmaps_graph_line_color_cad", '#beecff', '', 'yes');
 	add_option("wpgpxmaps_graph_offset_from1", '', '', 'yes');
 	add_option("wpgpxmaps_graph_offset_to1", '', '', 'yes');
 	add_option("wpgpxmaps_graph_offset_from2", '', '', 'yes');
@@ -377,6 +390,7 @@ function WP_GPX_Maps_install() {
 	add_option("wpgpxmaps_map_nggallery", '', '', 'yes');
 	add_option("wpgpxmaps_show_hr", '', '', 'yes');
 	add_option("wpgpxmaps_graph_line_color_hr", '#ff77bd', '', 'yes');
+	add_option('wpgpxmaps_show_cadence','','','yes');
 
 }
 
@@ -404,6 +418,8 @@ function WP_GPX_Maps_remove() {
 	delete_option('wpgpxmaps_map_nggallery');
 	delete_option('wpgpxmaps_show_hr');
 	delete_option('wpgpxmaps_graph_line_color_hr');
+	delete_option('wpgpxmaps_show_cadence');
+	delete_option('wpgpxmaps_graph_line_color_cad');
 }
 
 ?>

wp-gpx-maps_admin.php

@@ -97,13 +97,15 @@ function WP_GPX_Maps_html_page() {
 				<li><b>waypoints</b>: print the gpx waypoints inside the map (default is FALSE)</li>
 				<li><b>donotreducegpx</b>: print all the point without reduce it (default is FALSE)</li>
 				<li><b>pointsoffset</b>: skip points closer than XX meters(default is 10)</li>
-				<li><b>uom</b>: the unit of measure values are: 0, 1 (0 = meters, 1 = miles/feet)</li>
+				<li><b>uom</b>: the unit of measure values are: 0, 1, 2 (0 = meters, 1 = miles/feet, 2 = meters/kilometers)</li>
 				<li><b>mlinecolor</b>: map line color (default is #3366cc)</li>
 				<li><b>glinecolor</b>: graph line color (default is #3366cc)</li>
-				<li><b>glinecolorhr</b>: heart rate line color (default is #ff77bd)</li>
 				<li><b>glinecolorspeed</b>: speed line color (default is #ff0000)</li>
+				<li><b>glinecolorhr</b>: heart rate line color (default is #ff77bd)</li>
+				<li><b>glinecolorcad</b>: cadence line color (default is #beecff)</li>
 				<li><b>showspeed</b>: show speed inside the chart (default is FALSE)</li>
 				<li><b>showhr</b>: show heart rate inside the chart (default is FALSE)</li>
+				<li><b>showcad</b>: show cadence inside the chart (default is FALSE)</li>
 				<li><b>uomspeed</b>: the unit of measure of speed are: 0, 1, 2 (0 = m/s, 1 = km/h, 2 = miles/h)</li>
 				<li><b>chartFrom1</b>: minimun value for altitude chart</li>
 				<li><b>chartTo1</b>: maxumin value for altitude chart</li>
@@ -115,7 +117,7 @@ function WP_GPX_Maps_html_page() {
 				<li><b>nggalleries</b>: NextGen Gallery id or a list of Galleries id separated by a comma</li>	
 				<li><b>ngimages</b>: NextGen Image id or a list of Images id separated by a comma</li>	
 			</ul>
-
+		
 			<p>
 				<a href="http://www.darwinner.it/forums/forum/wp-gpx-maps/">Bugs, problems, thanks and anything else here!</a>
 			</p>

wp-gpx-maps_admin_settings.php

@@ -11,6 +11,7 @@
 	$uomSpeed = get_option('wpgpxmaps_unit_of_measure_speed');
 	$showSpeed = get_option('wpgpxmaps_show_speed');
 	$showHr = get_option('wpgpxmaps_show_hr');
+	$showCad = get_option('wpgpxmaps_show_cadence');
 	
 	if (!($t))
 		$t = 'HYBRID';
@@ -182,13 +183,8 @@
 				<em>(leave empty for auto scale)</em>
 			</td>
 		</tr>
-		
-			$showHr = get_option('wpgpxmaps_show_hr');
-		
-		
-		
 		<tr>
-			<th scope="row">Show heart rate:</th>
+			<th scope="row">Show Heart Rate (where aviable):</th>
 			<td>
 				<input name="wpgpxmaps_show_hr" type="checkbox" value="true" <?php if($showHr == true){echo('checked');} ?> onchange="this.value = (this.checked)"  /><i>Show heart rate</i>
 			</td>
@@ -201,14 +197,24 @@
 		</tr>
 		
 		
-		
+		<tr>
-		
+			<th scope="row">Show Cadence (where aviable):</th>
+			<td>
+				<input name="wpgpxmaps_show_cadence" type="checkbox" value="true" <?php if($showCad == true){echo('checked');} ?> onchange="this.value = (this.checked)"  /><i>Show Cadence</i>
+			</td>
+		</tr>		
+		<tr>
+			<th scope="row">Cadence line color:</th>
+			<td>
+				<input name="wpgpxmaps_graph_line_color_cad" type="color" data-hex="true" value="<?php echo get_option('wpgpxmaps_graph_line_color_cad'); ?>" />
+			</td>
+		</tr>
+
 	</table>
-	
 
 	<p class="submit">
 		<input type="hidden" name="action" value="update" />
-    	<input name="page_options" type="hidden" value="wpgpxmaps_unit_of_measure,wpgpxmaps_graph_line_color,wpgpxmaps_show_speed,wpgpxmaps_graph_line_color_speed,wpgpxmaps_show_hr,wpgpxmaps_graph_line_color_hr,wpgpxmaps_unit_of_measure_speed,wpgpxmaps_graph_offset_from1,wpgpxmaps_graph_offset_to1,wpgpxmaps_graph_offset_from2,wpgpxmaps_graph_offset_to2" />
+    	<input name="page_options" type="hidden" value="wpgpxmaps_unit_of_measure,wpgpxmaps_graph_line_color,wpgpxmaps_show_speed,wpgpxmaps_graph_line_color_speed,wpgpxmaps_show_hr,wpgpxmaps_graph_line_color_hr,wpgpxmaps_unit_of_measure_speed,wpgpxmaps_graph_offset_from1,wpgpxmaps_graph_offset_to1,wpgpxmaps_graph_offset_from2,wpgpxmaps_graph_offset_to2,wpgpxmaps_graph_line_color_cad,wpgpxmaps_show_cadence" />
 		<input type="submit" class="button-primary" value="<?php _e('Save Changes') ?>" />
 	</p>
 

wp-gpx-maps_utils.php

@@ -106,6 +106,7 @@
 							unset($points->dist[$i]);						
 							unset($points->speed[$i]);						
 							unset($points->hr[$i]);
+							unset($points->cad[$i]);
 						}
 			}		
 		}
@@ -123,6 +124,7 @@
 		$points->dist = array();
 		$points->speed = array();
 		$points->hr = array();
+		$points->cad = array();
 		
 		$gpx = simplexml_load_file($filePath);	
 		
@@ -155,17 +157,26 @@
 				$ele = $trkpt->ele;
 				$time = $trkpt->time;
 				$speed = (float)$trkpt->speed;
-				$hr=0;
+				$hr = 0;
+				$cad = 0;
 				
 				if (isset($trkpt->extensions))
 				{				
-					$_hr = @$trkpt->extensions->xpath('gpxtpx:TrackPointExtension/gpxtpx:hr/text()');
+					$_hr = $trkpt->extensions->xpath('gpxtpx:TrackPointExtension/gpxtpx:hr/text()');
 					if ($_hr)
 					{
 						foreach ($_hr as $node) {
 							$hr = (float)$node;
 						}
 					}
+					
+					$_cad = $trkpt->extensions->xpath('gpxtpx:TrackPointExtension/gpxtpx:cad/text()');
+					if ($_cad)
+					{
+						foreach ($_cad as $node) {
+							$cad = (float)$node;
+						}
+					}
 				}
 
 				if ($lastLat == 0 && $lastLon == 0)
@@ -178,6 +189,7 @@
 					array_push($points->dist, (float)round($dist,2));
 					array_push($points->speed, 0);
 					array_push($points->hr, $hr);
+					array_push($points->cad, $cad);
 					
 					$lastLat=$lat;
 					$lastLon=$lon;
@@ -193,8 +205,6 @@
 					if ($speed == 0)
 					{
 						$datediff = (float)my_date_diff($lastTime,$time);
-						//echo "------------$time-------$lastTime-----";
-						//echo "------------$datediff------------";
 						if ($datediff>0)
 						{
 							$speed = $offset / $datediff;
@@ -206,7 +216,6 @@
 					if (((float) $offset + (float) $lastOffset) > $gpxOffset)
 					{
 						//Bigger Offset -> write coordinate
-						
 						$avgSpeed = 0;
 						
 						foreach($speedBuffer as $s)
@@ -225,6 +234,7 @@
 						array_push($points->dist,  (float)round($dist, 2) );
 						array_push($points->speed, (float)round($avgSpeed, 1) );
 						array_push($points->hr, $hr);
+						array_push($points->cad, $cad);
 						
 					}
 					else
@@ -269,6 +279,8 @@
 						array_push($points->ele,   0 );
 						array_push($points->dist,  0 );
 						array_push($points->speed, 0 );
+						array_push($points->hr,    0 );
+						array_push($points->cad,   0 );
 						$lastLat=$lat;
 						$lastLon=$lon;
 					}
@@ -285,7 +297,9 @@
 							array_push($points->lon,   (float)$lon );
 							array_push($points->ele,   0 );
 							array_push($points->dist,  0 );
-							array_push($points->speed, 0 );							
+							array_push($points->speed, 0 );	
+							array_push($points->hr,    0 );
+							array_push($points->cad,   0 );
 						}
 						else
 						{