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加载GeoJson数据

运行效果

以下为加载一个 Geojson 文件的运行效果：

源代码

以下为加载 Geojson 文件的源代码：

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<!DOCTYPE html>
<html>

<head>
    <title>SVG</title>
    <meta http-equiv="content-type" content="text/html; charset=utf-8">

    <script type="module">
        import { Graph, VectorSource, Layer, SvgFormat, BgUtil } from "../../src/index.js";

        // 数据源
        let fileUrl = "/asset/data/tiger.svg";

        // graph对象
        let graph = new Graph({
            "target": "graphWrapper",
            "layers": [
                new Layer({
                    source: new VectorSource({ 
                        "fileUrl": "../../data/geojson/sz.json", 
                        "projection": new WebMercator(),
                        "format" : new GeoJSONFormat({
                            "style": { "color": "#515151", "fillColor": "#CCCCCC", "fillStyle":1 },
                            "fillColorSet" : Color.band("#0066FF", 20).slice(2, 16)
                        })
                    }),
                    zIndex: 10010,
                    name: "数据层",
                    visible: true
                })
            ],
            "originAtLeftTop" : false,
            "fullView": true
        });

        // 显示辅助网格
        BgUtil.generateGrid(Object.assign({ "interval": 10, "graph": graph }, graph.getSize()));
    </script>
</head>

<body style="margin:0px;" oncontextmenu="return false;">
    <div id="graphWrapper" style="position:absolute; width:100%; height:100%; border:solid 0px #CCC;"></div>
</body>

</html>