tuupola / php_google_maps

API to help working with Google Static Maps.

This URL has Read+Write access

php_google_maps / Google / Maps / Clusterer / Distance.php
raw normal view history
60ae102e » tuupola 2008-10-30 First working marker cluste... 1 <?php
2
3 /*
4 * Google_Maps_Clusterer_Distance
5 *
6 * Copyright (c) 2008 Mika Tuupola
7 *
8 * Licensed under the MIT license:
9 * http://www.opensource.org/licenses/mit-license.php
10 *
11 * Project home:
12 * http://www.appelsiini.net/projects/google_maps
13 *
14 * Revision: $Id$
15 *
16 */
17
18 require_once 'Google/Maps/Overload.php';
19
20 class Google_Maps_Clusterer_Distance extends Google_Maps_Overload {
21
3e6ded20 » tuupola 2008-10-31 Make clusterer more configu... 22 protected $distance = 20;
23 protected $unit = 'pixel';
24 protected $color = 'blue';
25 protected $marker_sizes = array('mid','mid','mid','mid','mid','','','','');
60ae102e » tuupola 2008-10-30 First working marker cluste... 26
27 public function process(array $markers, Google_Maps_Static $map) {
28 $clustered = array();
29 $distance = $this->getDistance();
30 $unit = $this->getUnit();
31 while (count($markers)) {
32 $marker = array_pop($markers);
33 $cluster = new Google_Maps_Marker_Cluster();
3e6ded20 » tuupola 2008-10-31 Make clusterer more configu... 34 foreach ($markers as $key => $target) {
60ae102e » tuupola 2008-10-30 First working marker cluste... 35 if (($distance > $marker->distanceTo($target, $unit, $map))) {
3e6ded20 » tuupola 2008-10-31 Make clusterer more configu... 36 unset($markers[$key]);
60ae102e » tuupola 2008-10-30 First working marker cluste... 37 $amount = $cluster->addMarker($target);
38 /* Marker can display max number 9, so break out of */
39 /* the loop when we reach it. One is added outside of the loop. */
40 if (8 == $amount) {
41 break 1;
42 }
43
44 }
45 }
46
47 if (count($cluster->getMarkers()) > 0) {
3e6ded20 » tuupola 2008-10-31 Make clusterer more configu... 48 $sizes = $this->getMarkerSizes();
49 $count = $cluster->addMarker($marker);
50 $cluster->setCharacter($count);
60ae102e » tuupola 2008-10-30 First working marker cluste... 51 $cluster->setColor('blue');
3e6ded20 » tuupola 2008-10-31 Make clusterer more configu... 52 $cluster->setSize($sizes[$count - 1]);
60ae102e » tuupola 2008-10-30 First working marker cluste... 53 $clustered[] = $cluster;
54 } else {
55 $clustered[] = $marker;
56 };
57 }
58 return $clustered;
59 }
3e6ded20 » tuupola 2008-10-31 Make clusterer more configu... 60
60ae102e » tuupola 2008-10-30 First working marker cluste... 61 }