ソースファイルを表示
sample/sample_maps_opacity.htm
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1" />
<title>Leaflet 地図の透過度変更</title>
<link rel="stylesheet" href="js/leaflet.css" />
<script src="js/leaflet.js"></script>
<link rel="stylesheet" href="js/leaflet_opacity.css" />
<script src="js/leaflet_opacity.js"></script>
<style type="text/css">
#map_container {
position:absolute;
top:0; left:0; right:0; bottom:0;
cursor: default;
}
</style>
<script type="text/javascript" charset="UTF-8">
var baseMap = [ // ベースマップの定義
L.tileLayer("https://cyberjapandata.gsi.go.jp/xyz/std/{z}/{x}/{y}.png",{
attribution: "<a href='https://maps.gsi.go.jp/development/ichiran.html'"
+ " target='_blank'>地理院標準地図</a>", minZoom: 2, maxZoom: 18}),
L.tileLayer("https://cyberjapandata.gsi.go.jp/xyz/pale/{z}/{x}/{y}.png",{
attribution: "<a href='https://maps.gsi.go.jp/development/ichiran.html'"
+ " target='_blank'>地理院淡色地図</a>", minZoom: 2, maxZoom: 18}),
L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",{
attribution: "<a href='https://www.openstreetmap.org/copyright'"
+ " target='_blank'>OpenStreetMap</a>", minZoom: 2, maxZoom: 18})
];
var overMap = [ // オーバーレイマップの定義
L.tileLayer("https://cyberjapandata.gsi.go.jp/xyz/seamlessphoto/{z}/{x}/{y}.jpg",{
attribution: "<a href='https://maps.gsi.go.jp/development/ichiran.html'"
+ " target='_blank'>地理院最新写真</a>", minZoom: 2, maxZoom: 18}),
L.tileLayer("https://cyberjapandata.gsi.go.jp/xyz/gazo1/{z}/{x}/{y}.jpg",{
attribution: "<a href='https://maps.gsi.go.jp/development/ichiran.html'"
+ " target='_blank'>1970年代写真</a>", minZoom: 10, maxZoom: 17}),
L.tileLayer("https://cyberjapandata.gsi.go.jp/xyz/ort_old10/{z}/{x}/{y}.png",{
attribution: "<a href='https://maps.gsi.go.jp/development/ichiran.html'"
+ " target='_blank'>1960年代写真</a>", minZoom: 2, maxZoom: 17}),
L.tileLayer("https://cyberjapandata.gsi.go.jp/xyz/relief/{z}/{x}/{y}.png",{
attribution: "<a href='https://maps.gsi.go.jp/development/ichiran.html'"
+ " target='_blank'>色別標高図</a>", minZoom: 5, maxZoom: 16, opacity: 0.2}),
L.tileLayer("https://cyberjapandata.gsi.go.jp/xyz/hillshademap/{z}/{x}/{y}.png",{
attribution: "<a href='https://maps.gsi.go.jp/development/ichiran.html'"
+ " target='_blank'>陰影起伏図</a>", minZoom: 5, maxZoom: 16, opacity: 0.2})
];
var baseCtl = { // ベースマップ切替ボタンの定義
"地理院標準地図": baseMap[0],
"地理院淡色地図": baseMap[1],
"OpenStreetMap": baseMap[2]
};
var overCtl = { // オーバーレイマップ切替ボタンの定義
"地理院最新写真": overMap[0],
"1970年頃写真": overMap[1],
"1960年頃写真": overMap[2],
"色別標高図": overMap[3],
"陰影起伏図": overMap[4]
};
function init() {
let map = L.map('map_container', { zoomControl: false });
map.setView([37,136.5], 6); // 日本を表示
baseMap[0].addTo(map);
L.control.scale({imperial:false, position:'bottomleft'}).addTo(map); // 目盛表示
L.control.zoom({position:'bottomleft'}).addTo(map); // ズーム制御
L.control.opacityLayers(baseCtl, overCtl, {collapsed:true}).addTo(map); // 透過付マップ切替
}
</script>
</head>
<body onload="init()">
<div id="map_container"></div>
</body>
</html>