Javascript 形状文件问题

Javascript 形状文件问题,javascript,d3.js,topojson,datamaps,Javascript,D3.js,Topojson,Datamaps,我正在尝试为比利时的一个城市生成一个名为Gent的TopoJSON。 他们给了我们一个形状文件(在这里找到) 然而,生成TopoJSON对我来说是一个挑战 我尝试使用mapshaper: { "type": "Topology", "objects": { "deelgebieden_3": { "type": "GeometryCollection", "bbox": [94655.09380000085, 185681.89059999958, 113

我正在尝试为比利时的一个城市生成一个名为Gent的TopoJSON。 他们给了我们一个形状文件(在这里找到)

然而,生成TopoJSON对我来说是一个挑战

我尝试使用mapshaper:

{
"type": "Topology",
"objects": {
    "deelgebieden_3": {
        "type": "GeometryCollection",
        "bbox": [94655.09380000085, 185681.89059999958, 113641.54690000085, 208831.7499999996],
        "geometries": [{
            "type": "Polygon",
            "arcs": [
                [0, 1]
            ]
        }, {
            "type": "Polygon",
            "arcs": [
                [2, 3, 4, 5, -2, 6]
            ]
        }, {
            "type": "MultiPolygon",
            "arcs": [
                [
                    [-4, 7]
                ],
                [
                    [-7, -1, -6, 8]
                ]
            ]
        }]
    }
},
"arcs": [
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        [5215, 2557],
        [-189, 57],
        [-252, 78],
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        [26, 28],
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        [24, -21],
        [33, 20],
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        [-31, 28],
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        [83, 53],
        [57, 43],
        [32, 12],
        [35, 0],
        [82, -41],
        [-10, -40],
        [13, -147],
        ...
    ]
],
"objects": {
    "deelgebieden_3": {
        "type": "GeometryCollection",
        "geometries": [{
            "arcs": [
                [0, 1]
            ],
            "type": "Polygon",
            "properties": {
                "OBJECTID": 1,
                "name": "kernstad",
                "Shape_Leng": 11873.1692712,
                "Shape_Area": 7422070.05338
            }
        }, {
            "arcs": [
                [2, 3, 4, 5, -2, 6]
            ],
            "type": "Polygon",
            "properties": {
                "OBJECTID": 2,
                "name": "19de eeuwse gordel",
                "Shape_Leng": 38380.8073953,
                "Shape_Area": 17401398.2273
            }
        }, {
            "arcs": [
                [
                    [-4, 7]
                ],
                [
                    [-7, -1, -6, 8]
                ]
            ],
            "type": "MultiPolygon",
            "properties": {
                "OBJECTID": 3,
                "name": "periferie",
                "Shape_Leng": 125134.256122,
                "Shape_Area": 133136176.346
            }
        }]
    }
}
}

看起来不错,但不起作用。使用命令行转换更糟糕:名称被剥离

我使用d3数据地图,并在其上使用墨卡托投影:

const projection = d3.geo.mercator()
                .center([4.294531, 50.864921])
                .scale(scale)
                .translate([el.offsetWidth / 2, el.offsetHeight / 2]);

            const path = d3.geo.path().projection(projection);

            return {
                path: path,
                projection: projection
            };
不幸的是,这导致:


想法?

你的电脑坏了。除此之外,它还包含两次
“对象”
!当我将您的shapefile提供给mapshaper并导出生成的TopoJSON时,我得到了一个有效的文件。谢谢你的回复。你能分享一下你的步骤吗?我上传zip文件,左键“检测线交点”默认选中,点击“导入”。然后,在“导出”中,我选择了“TopoJSON”并导出。没有命令行选项,没有简化,没有。仍然没有正确的d3地图。这是当前的TopoJSON:这正是我所做的。如果这对您不起作用,很可能是您的代码有问题。要获得更多帮助,请将设置为或JSFIDLE或其他可运行的示例。您的TopoJSON已损坏。除此之外,它还包含两次
“对象”
!当我将您的shapefile提供给mapshaper并导出生成的TopoJSON时,我得到了一个有效的文件。谢谢你的回复。你能分享一下你的步骤吗?我上传zip文件,左键“检测线交点”默认选中,点击“导入”。然后,在“导出”中,我选择了“TopoJSON”并导出。没有命令行选项,没有简化,没有。仍然没有正确的d3地图。这是当前的TopoJSON:这正是我所做的。如果这对您不起作用,很可能是您的代码有问题。要获得更多帮助,请将设置为或JSFIDLE或其他可运行的示例。