dayjournal | Leaflet #019 – 重ねるレイヤの表示

Leafletで重ねるレイヤの表示をするためには下記のように記述します。

index.html


<html lang="ja">
<head>
<meta charset="UTF-8">
<title>Leaflet Sample</title>

<script src="./Library/leaflet-0.7.3/leaflet.js"></script>
<link href="./Library/leaflet-0.7.3/leaflet.css" rel="stylesheet"/>

<script src="http://maps.google.com/maps/api/js?sensor=false&amp;amp;region=JP"></script>
<script src="./plugin/leaflet-plugins-master/layer/tile/Google.js"></script>
<script src="./plugin/leaflet-omnivore-master/leaflet-omnivore.min.js"></script>

<link href="./css/stylesheet.css" rel="stylesheet"/>

</head>
<body>

<div id="map"></div>

<script src="./js/script.js"></script>

</body>
</html>

stylesheet.css


html, body {
height: 100%;
padding: 0;
margin: 0;
}

#map {
z-index: 0;
height: 100%;
}

sample_pol.kml


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<SimpleField name="A27_007" type="string"></SimpleField>
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script.js


var t_std = new L.tileLayer('http://cyberjapandata.gsi.go.jp/xyz/std/{z}/{x}/{y}.png', {
attribution: "<a href='http://www.gsi.go.jp/kikakuchousei/kikakuchousei40182.html' target='_blank'>国土地理院</a>"
});

var t_pale = new L.tileLayer('http://cyberjapandata.gsi.go.jp/xyz/pale/{z}/{x}/{y}.png', {
attribution: "<a href='http://www.gsi.go.jp/kikakuchousei/kikakuchousei40182.html' target='_blank'>国土地理院</a>"
});

var t_ort = new L.tileLayer('http://cyberjapandata.gsi.go.jp/xyz/ort/{z}/{x}/{y}.jpg', {
attribution: "<a href='http://www.gsi.go.jp/kikakuchousei/kikakuchousei40182.html' target='_blank'>国土地理院</a>"
});

var o_std = new L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
attribution: '&amp;copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
});

var g_roadmap = new L.Google('ROADMAP');

var g_satellite = new L.Google('SATELLITE');

var g_hybrid = new L.Google('HYBRID');

var map = L.map('map', {
center: [35.6831925, 139.7511307],
zoom: 13,
zoomControl: false,
layers: [t_pale]
});

var Map_KML_Style = {
"color": '#34495e',
"weight": 2,
"opacity": 1.0,
"fillColor": "#FDC44F",
"fillOpacity": 0.2
};

var Map_KML_Property = L.geoJson(null, {
style: Map_KML_Style 
}).addTo(map);

var Map_KML = omnivore.kml('./files/sample_pol.kml', null, Map_KML_Property);

var Map_BaseLayer = {
"地理院地図 標準": t_std,
"地理院地図 淡色": t_pale,
"地理院地図 オルソ": t_ort,
"OpenStreetMap 標準": o_std,
"GoogleMap 標準": g_roadmap,
"GoogleMap オルソ": g_satellite,
"GoogleMap ハイブリッド": g_hybrid
};

var Map_OverLayer = {
"KML": Map_KML
};

L.control.scale({ imperial: false, maxWidth: 300 }).addTo(map);

L.control.layers(Map_BaseLayer, Map_OverLayer, { collapsed: false }).addTo(map);

index.htmlを実行すると下記のようにブラウザで表示されます。 ※「この地図は、国土地理院長の承認を得て、同院発行の電子地形図(タイル)を複製したものである。（承認番号　平27情複、第224号）」 ※国土数値情報（小学校区データ）を使用

表示させるレイヤを変更したい場合： var Map_OverLayer～の格納している変数名を変更します。 L.control.layers～の第2引数にON/OFF用のレイヤ変数を記述します。


var Map_OverLayer = {
"GeoJSON": Map_GeoJSON
};

L.control.layers(Map_BaseLayer, Map_OverLayer, { collapsed: false }).addTo(map);

参考文献
Leaflet

dayjournal memo

Leaflet #019 – 重ねるレイヤの表示

Yasunori Kirimoto 2015/6/24