1.ライブラリの用意
今回は下記のライブラリを使いました。
https://github.com/benpoulson/PHP-ConvexHull/blob/master/convexHull.php
関数になっていたのでAppController.phpに追加しておきました。
2.コントローラでの呼び出し
コントローラから下記のように呼び出します。
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public function convex() { | |
$this->Tsp->recursive = 0; | |
$this->paginate = array( | |
'limit'=>10000, | |
'maxLimit' => 30000, | |
); | |
$this->set('tsps', $this->Paginator->paginate()); | |
$tsps = $this->Paginator->paginate(); | |
$input = array(array()); | |
for($i = 0; $i < count($tsps); $i++){ | |
$input[$i][0] = $tsps[$i]['Tsp']['latitude']; | |
$input[$i][1] = $tsps[$i]['Tsp']['longitude']; | |
} | |
$output = $this->convexHull($input); | |
$this->set('output', $output); | |
} |
3.ビューでの描画
ビューで描画します。
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<script type="text/javascript" src="http://maps.google.com/maps/api/js?key=MyKey&sensor=false"></script> | |
<div class="tsps index"> | |
<h2><?php echo __('Tsps'); ?></h2> | |
<?php | |
$map_options = array( | |
'id' => 'map1', | |
'width' => '1200px', | |
'height' => '800px', | |
'zoom' => 13, | |
'type' => 'ROAD', | |
//'custom' => null, | |
'localize' => false, | |
'latitude' => $tsps[0]['Tsp']['latitude'], | |
'longitude' => $tsps[0]['Tsp']['longitude'], | |
'marker' => true, | |
'markerIcon' => 'https://developers.google.com/maps/documentation/javascript/examples/full/images/beachflag.png', | |
'markerShadow' => 'http://google-maps-icons.googlecode.com/files/shadow.png', | |
'infoWindow' => true, | |
'windowText' => "自分で指定" | |
); | |
?> | |
<div id="map"> | |
<?php echo $this->GoogleMap->map($map_options); ?> | |
</div> | |
<?php $marker_index =1; ?> | |
<?php foreach ($tsps as $tsp): ?> | |
<?php | |
$marker_options = array( | |
'showWindow' => true, | |
'windowText' =>$tsp['Tsp']['id'].":".$tsp['Tsp']['name'], | |
'markerTitle' => 'Title', | |
'markerIcon' => 'http://chart.apis.google.com/chart?chst=d_map_pin_letter&chld='.$tsp['Tsp']['id'].'|ff7e73|000000', | |
'markerShadow' => 'http://labs.google.com/ridefinder/images/mm_20_purpleshadow.png' | |
); | |
echo $this->GoogleMap->addMarker('map1', $marker_index, array('latitude' => $tsp['Tsp']['latitude'], 'longitude' =>$tsp['Tsp']['longitude'] ),$marker_options); | |
$marker_index ++; | |
?> | |
<?php endforeach; ?> | |
<?php for($i = 0; $i < count($output); $i++){ ?> | |
<?php | |
if($i == count($output)-1){ | |
echo $this->GoogleMap->addPolyline("map1", "polyline", array( | |
"start" => array("latitude" => $output[$i][0] ,"longitude"=> $output[$i][1]), | |
"end" => array("latitude" => $output[0][0] ,"longitude"=> $output[0][1]) | |
)); | |
} | |
else{ | |
echo $this->GoogleMap->addPolyline("map1", "polyline", array( | |
"start" => array("latitude" => $output[$i][0] ,"longitude"=> $output[$i][1]), | |
"end" => array("latitude" => $output[$i+1][0] ,"longitude"=> $output[$i+1][1]) | |
)); | |
} | |
?> | |
<?php } ?> |
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