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SuperMap IClient for Leaflet 加载高斯克吕格投影三度分带CGCS2000大地坐标系WMTS服务

2022-07-26 10:34:00 【WindOfMayGIS】

SuperMap IClient for Leaflet 加载高斯克吕格投影三度分带CGCS2000大地坐标系WMTS服务

难点所在
- 加大带号高斯克吕格投影三度分带CGCS2000大地坐标系
- 不加大带号高斯克吕格投影三度分带CGCS2000大地坐标系

难点所在

Leaflet加载WMTS服务（球面）的是很简单的，但是加载投影坐标系的一直以来比较迷惑，故此，写出来最常用的情况。
关于数据的说明：
采用的数据是江苏片区的影像数据；
关于版本的说明：
SuperMap IClient for Leaflet 10 i http://iclient.supermap.io/examples/leaflet/examples.html

加大带号高斯克吕格投影三度分带CGCS2000大地坐标系

<!DOCTYPE HTML>
<html>
<head>
    <meta charset="UTF-8">
    <title>wmts</title>
    <link href="leaflet2/css/leaflet.css" rel="stylesheet">
    <script type="text/javascript" src="../js/include-web.js"></script>
    <script type="text/javascript" src="../../dist/leaflet/include-leaflet.js"></script>
    <script type="text/javascript" src="../js/proj4leaflet.js"></script>

    
    <style>
        html,body{
    
            height: 100%;
            width: 100%;
        }

        #map{
    
            height: 100%;
            width: 100%;
        }
    </style>
</head>
<body>

<div id="map">

</div>
<script>
    var res = [];
    for (var i = 0; i < 17; i++) {
    
        res.push(52.91666666666665 / (Math.pow(2, i)));
    }

 // Proj4js.defs("EPSG:4528","+proj=tmerc +lat_0=0 +lon_0=120 +k=1 +x_0=40500000 +y_0=0 +ellps=GRS80 +units=m +no_defs");

    var map = L.map('map', {
    
        center: [31.79,119.45],
        maxZoom: 6,
        zoom: 1,
        crs: new L.Proj.CRS("EPSG:4528","+proj=tmerc +lat_0=0 +lon_0=120 +k=1 +x_0=40500000 +y_0=0 +ellps=GRS80 +units=m +no_defs",
            {
    
                origin: [40444190.4, 3523180.2],
                resolutions: res,
                bounds: L.bounds([40444190.4,3515218.5], [40456694.1,3523180.2])
            })
    });
    L.supermap.wmtsLayer("http://192.168.60.45:8099/iserver/services/map-ugcv5-JTclip03gk/wmts100",
        {
    
            layer: "JT_clip_03_gk",
            style: "default",
            tilematrixSet: "Custom_JT_clip_03_gk",
            format: "image/png",
            requestEncoding: 'REST'
        }
    ).addTo(map);
</script>
</body>
</html>

不加大带号高斯克吕格投影三度分带CGCS2000大地坐标系

<!DOCTYPE HTML>
<html>
<head>
    <meta charset="UTF-8">
    <title>wmts</title>
    <link href="leaflet2/css/leaflet.css" rel="stylesheet">
    <script type="text/javascript" src="../js/include-web.js"></script>
    <script type="text/javascript" src="../../dist/leaflet/include-leaflet.js"></script>
    <script type="text/javascript" src="../js/proj4leaflet.js"></script>

    
    <style>
        html,body{
    
            height: 100%;
            width: 100%;
        }

        #map{
    
            height: 100%;
            width: 100%;
        }
    </style>
</head>
<body>

<div id="map">

</div>
<script>
    var res = [];
    for (var i = 0; i < 7; i++) {
    
        res.push(52.91666666666665 / (Math.pow(2, i)));
    }

   // proj4.defs("EPSG:4549","+proj=tmerc +lat_0=0 +lon_0=120 +k=1 +x_0=500000 +y_0=0 +ellps=GRS80 +units=m +no_defs");
    var map = L.map('map', {
    
        center: [31.75844328613281,119.41046761484614],
        maxZoom: 6,
        zoom: 0,
        crs: new L.Proj.CRS("EPSG:4549","+proj=tmerc +lat_0=0 +lon_0=120 +k=1 +x_0=500000 +y_0=0 +ellps=GRS80 +units=m +no_defs",
            {
    
                origin: [444190.4,3523180.2],
                resolutions: res,
                bounds: L.bounds([444190.4,3515218.5], [456694.1,3523180.2]),
                dpi:90.7142857142857
            })
    });
    L.supermap.wmtsLayer("http://192.168.60.45:8099/iserver/services/map-ugcv5-JTclip03gkndh/wmts100",
        {
    
            layer: "JT_clip_03_gk_ndh",
            style: "default",
            tilematrixSet: "Custom_JT_clip_03_gk_ndh",
            format: "image/png",
            requestEncoding: 'REST'
        }
    ).addTo(map);
</script>
</body>
</html>