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Google Maps display for a csv-formatted list of dates/latitudes/longitudes/accuracy-in-metres.

Steven Smith revised this gist 1425388775. Go to revision

1 file changed, 178 insertions

gpstrack.php(file created)

@@ -0,0 +1,178 @@
1 + <?php
2 +
3 + $passwdfile = "/path/to/file";
4 + $logpath = "/path/to/file"; // should be a csv file with date,lat,long,hor-acc
5 +
6 + // For json
7 + foreach (apache_request_headers() as $header => $value) { if ($header == "Accept") { $accept = $value; } }
8 +
9 + // Variable checks
10 + $allowed = isset($_GET['allowed']);
11 + if ($allowed && !$_GET['allowed'] == file_get_contents($passwdfile)) {
12 + die("Sorry, this needs a password now.<form><input type=text name=allowed><input type=submit></form>");
13 + }
14 + $nocir = !isset($_GET['nocircles']);
15 + if (isset($_GET['count'])) {
16 + $count = intval($_GET['count']);
17 + } else {
18 + $count = 10;
19 + }
20 +
21 + // Getting data
22 + if (isset($_GET['date']) && intval($_GET['date']) != 0 && strlen($_GET['date']) == 8) {
23 + $date = intval($_GET['date']);
24 + $datarr = explode("\n", shell_exec("grep $date $logpath --color=never"));
25 + array_pop($datarr);
26 + } else {
27 + $datarr = explode("\n", shell_exec("tail -n$count $logpath"));
28 + }
29 +
30 + // Correcting for allowed data
31 + $last = str_getcsv(array_pop($datarr));
32 + if (!$allowed) $last = array($last[0], substr($last[1],0,6), substr($last[2],0,6));
33 +
34 + // Creating static image url
35 + $imageurl = "https://maps.googleapis.com/maps/api/staticmap?scale=2&format=jpg&zoom=";
36 + if ($allowed) $imageurl .= "18";
37 + else $imageurl .= "15";
38 + $imageurl .= "&center=" . $last[1] . "," . $last[2];
39 + if ($allowed) $imageurl .= "&markers=" . $last[1] . "," . $last[2];
40 +
41 + // Json returning
42 + if (isset($_GET['json'])) {
43 + header("Content-Type: application/json");
44 + $arr = array();
45 + foreach ($datarr as $item) {
46 + $tmp = str_getcsv($item);
47 + if (!$allowed) $tmp = array($tmp[0], substr($tmp[1],0,6), substr($tmp[2],0,6), "1111");
48 + $arr[] = $tmp;
49 + }
50 + echo json_encode(array("markers" => $arr, "imageurl" => $imageurl));
51 + die();
52 + }
53 +
54 + // Mobile support {
55 + require_once 'Mobile_Detect.php'; // http://mobiledetect.net/ remove this block if you don't need this functionality
56 + $detect = new Mobile_Detect;
57 + if (isset($_GET['mobile']) || $detect->isMobile()) { ?>
58 + <head>
59 + <meta http-equiv="refresh" content="60">
60 + <script>
61 + document.addEventListener('DOMContentLoaded',function(){
62 + var w = Math.floor(Math.max(document.documentElement.clientWidth, window.innerWidth || 0) / 2)
63 + var h = Math.floor(Math.max(document.documentElement.clientHeight, window.innerHeight || 0) / 2)
64 + document.getElementById('i').src = "<?php echo $imageurl; ?>&size=" + w + "x" + h;
65 + });
66 + </script>
67 + </head>
68 + <body>
69 + <img src="nothing" id="i" />
70 + </body>
71 + <?php die();}
72 + // }
73 +
74 + // Generating lists of markers/circles
75 + if ($allowed) {
76 + $markers = "[";
77 + if ($nocir) {
78 + $circles = "[";
79 + $ciroptions = "{strokeColor:'#FF0000',strokeOpacity:0.8,strokeWeight:2,fillColor:'#AA0000',fillOpacity:0.2,map:map";
80 + }
81 + foreach ($datarr as $item) {
82 + $item = str_getcsv($item);
83 + $markers .= 'new google.maps.Marker({map: map, position: new google.maps.LatLng(' . $item[1] . ', ' . $item[2] . '),title: "' . $item[0] . ' to ' . $item[3] . 'm",icon: "http://maps.google.com/mapfiles/ms/icons/red-dot.png"}),';
84 + if ($nocir) {
85 + $circles .= 'new google.maps.Circle(' . $ciroptions . ',radius: ' . $item[3] . '}),';
86 + }
87 + }
88 + $markers .= ']';
89 + if ($nocir) {
90 + $circles .= ']';
91 + }
92 + }
93 +
94 + // Start html
95 + ?>
96 + <!DOCTYPE html>
97 + <html>
98 + <head>
99 + <?php if ($count < 50) { ?>
100 + <meta http-equiv="refresh" content="60">
101 + <?php } ?>
102 + <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
103 + <style type="text/css">
104 + html { height: 100% }
105 + body { height: 100%; margin: 0; padding: 0 }
106 + #map-canvas { height: 100% }
107 + </style>
108 + <script type="text/javascript"
109 + src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCE7QCD1wjjjspuEa7ABtKGpJxttNOgtIU&sensor=false">
110 + </script>
111 + <script type="text/javascript">
112 + var geocoder;
113 + var map;
114 + var markers;
115 + var circles;
116 + var topcircle;
117 + <?php if (!$allowed) { ?>
118 + var data = <?php echo json_encode($last); ?>;
119 + var coords = [new google.maps.LatLng(data[1], data[2])];
120 + <?php } ?>
121 + function initialize() {
122 + geocoder = new google.maps.Geocoder();
123 + var mapOptions = {
124 + center: <?php echo 'new google.maps.LatLng(' . $last[1] . ', ' . $last[2] . ')'; ?>,
125 + zoom: <?php if (isset($_GET['zoom'])) { echo intval($_GET['zoom']); } else { if ($allowed) { echo "18"; } else { echo "15"; } }; echo "\n"; ?>
126 + };
127 + map = new google.maps.Map(document.getElementById("map-canvas"), mapOptions);
128 + <?php if ($allowed) { ?>
129 + markers = <?php echo $markers; ?>;
130 + markers[markers.length-1].setOptions({animation:google.maps.Animation.DROP,icon:"http://maps.google.com/mapfiles/ms/icons/blue-dot.png",zIndex:100});
131 + var coords = [];
132 + for (i=0;i<markers.length;i++) {
133 + coords.push(markers[i].getPosition());
134 + }
135 + var recentPath = new google.maps.Polyline({
136 + path: coords,
137 + geodesic: true,
138 + strokeColor: '#FF0000',
139 + strokeOpacity: 1.0,
140 + strokeWeight: 2
141 + });
142 + recentPath.setMap(map);
143 + <?php if ($nocir) { ?>
144 + circles = <?php echo $circles; ?>;
145 + for (i=0;i<circles.length;i++) {
146 + circles[i].bindTo('center', markers[i], 'position');
147 + markers[i]._myCircle = circles[i];
148 + circles[i].title = markers[i].title;
149 + }
150 + topcircle = circles[circles.length-1];
151 + topcircle.setOptions({fillColor: '#0000AA', strokeColor: '#0000FF', url: "<?php echo $_SERVER['REQUEST_URI']."&nocircles" ?>"});
152 + google.maps.event.addListener(topcircle, 'click', function() {
153 + window.location = topcircle.url;
154 + });
155 + <?php } ?>
156 + <?php } else { ?>
157 + var infowindow = new google.maps.InfoWindow({
158 + content: "blha303's last recorded location (accurate to 1.1km approx)"
159 + });
160 + var circle = new google.maps.Circle({
161 + map: map,
162 + center: coords[coords.length-1],
163 + radius: 1100,
164 + fillColor: '#AA0000',
165 + fillOpacity: 0.1
166 + });
167 + google.maps.event.addListener(circle, 'click', function() {
168 + infowindow.open(map,circle);
169 + });
170 + <?php } ?>
171 + }
172 + google.maps.event.addDomListener(window, 'load', initialize);
173 + </script>
174 + </head>
175 + <body>
176 + <div id="map-canvas"/>
177 + </body>
178 + </html>
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