pengyu
/
tongyu_visu


			
				
					
						
						
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    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width" />
    <title data-i18n="resources.title_mb_deckglLayer_pathLayer"></title>
    <style>
      body {
        margin: 0;
        overflow: hidden;
        background: #fff;
        width: 100%;
        height: 100%;
      }

      #map {
        position: absolute;
        top: 0;
        bottom: 0;
        width: 100%;
      }
    </style>
  </head>
  <body>
    <div id="map"></div>
    <script type="text/javascript" include="widgets" src="../js/include-web.js"></script>
    <script type="text/javascript" include="deck" src="../../dist/mapboxgl/include-mapboxgl.js"></script>
    <script type="text/javascript">
      var host = window.isLocal ? window.server : 'https://iserver.supermap.io',
        url = host + '/iserver/services/map-china400/rest/maps/ChinaDark';
      var map, deckglLayer;
      var attribution =
        "<a href='https://www.mapbox.com/about/maps/' target='_blank'>© Mapbox </a>" +
        " with <span>© <a href='https://iclient.supermap.io' target='_blank'>SuperMap iClient</a> | </span>" +
        " Map Data <span>© <a href='https://uber.github.io/deck.gl' target='_blank'>deck.gl</a></span> ";

      map = new mapboxgl.Map({
        container: 'map',
        style: {
          version: 8,
          sources: {
            'raster-tiles': {
              attribution: attribution,
              type: 'raster',
              tiles: [url + '/zxyTileImage.png?z={z}&x={x}&y={y}'],
              tileSize: 256
            }
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        center: [-122.271604, 37.803664],
        zoom: 12
      });
      map.addControl(new mapboxgl.NavigationControl(), 'top-left');

      widgets.loader.showLoader('data loading...');

      $.get('../data/deck.gl/bart-lines.json', function(features) {
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        addLayer(features);
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      function addLayer(features) {
        deckglLayer = new mapboxgl.supermap.DeckglLayer('path-layer', {
          data: features,
          props: {
            widthScale: 20, //线宽比例
            widthMinPixels: 2 //线宽最小像素值
            //该类型可配置的其他参数有：
            //widthMaxPixels  线宽最大像素值，默认为 Number.MAX_SAFE_INTEGER；
            //rounded  节点是否绘制为弧形，可选参数，默认为 false；
            //miterLimit  节点相对于线宽的最大范围，默认为 4，仅在 rounded 为 false 时有效；
            //fp64  否应以高精度64位模式呈现图层，默认为 false；
            //dashJustified 是否虚线形式显示，默认为 false，仅在 getDashArray() 回调函数被指定时有效；
          },
          callback: {
            getPath: function(d) {
              return d.path;
            },
            getColor: function(d) {
              return d.color.colorRgb();
            },
            getWidth: function(d) {
              return 5;
            }
          }
        });
        map.addLayer(deckglLayer);
      }

      var reg = /^#([0-9a-fA-f]{3}|[0-9a-fA-f]{6})$/;
      /*16进制颜色转为RGB格式*/
      String.prototype.colorRgb = function() {
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        if (sColor && reg.test(sColor)) {
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            for (var i = 1; i < 4; i += 1) {
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          //处理六位的颜色值
          var sColorChange = [];
          for (var i = 1; i < 7; i += 2) {
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          return sColorChange;
        } else {
          return sColor;
        }
      };
    </script>
  </body>
</html>