我试图渲染阿根廷的地图，但我无法在屏幕上看到任何内容。数据看起来很好，加载很好，但不能使它渲染。我曾经尝试过一个省，布宜诺斯艾利斯，但仍然没有运气。
尝试使用us-states.json文件可以正常工作，两者的格式完全相同。需要注意的一点是，如果我从us文件中删除功能列表中的所有元素，并且只留下一个。然后，当我希望只显示该状态时，也不会呈现任何内容。
这是布宜诺斯艾利斯，geojson文件：
> {"type":"FeatureCollection","features":[
> {"type":"Feature","id":"01","properties":{"name":"Buenos Aires"},
> "geometry":{"type":"Polygon","coordinates":[[[-60,33.468412],[-59.927837,33.476587],[-59.900372,33.506521],[-59.831891,33.52557],[-59.810264,33.541013],[-59.809488,33.582725],[-59.794044,33.59817],[-59.757744,33.609757],[-59.705971,-33.606036],[-59.663178,-33.618371],[-59.636867,-33.641813],[-59.629915,-33.676568],[-59.597474,-33.690467],[-59.533572,-33.636142],[-59.517052,-33.631812],[-59.479366,-33.653244],[-59.468237,-33.70367],[-59.436051,-33.730632],[-59.378453,-33.736409],[-59.33445,-33.728785],[-59.253786,-33.722406],[-59.234857,-33.739513],[-59.251843,-33.771951],[-59.254837,-33.793599],[-59.236445,-33.810365],[-59.214775,-33.814435],[-59.16838,-33.809753],[-59.138309,-33.844557],[-59.11823,-33.84919],[-59.065547,-33.832862],[-59.027477,-33.846641],[-59.005227,-33.839841],[-58.987116,-33.860437],[-58.961976,-33.872594],[-58.934165,-33.874087],[-58.900476,-33.889978],[-58.872386,-33.931906],[-58.836549,-33.951682],[-58.812904,-33.951991],[-58.778995,-33.942608],[-58.739989,-33.961273],[-58.671258,-34.026138],[-58.645311,-34.038495],[-58.595259,-34.037258],[-58.577447,-34.02699],[-58.552244,-34.027975],[-58.477275,-34.002624],[-58.416205,-34.002772],[-58.364688,-34.05032],[-58.361631,-34.090057],[-58.37112,-34.171764],[-58.355473,-34.190349],[-58.382306,-34.203287],[-58.403648,-34.22519],[-58.403971,-34.250848],[-58.416714,-34.264477],[-58.451519,-34.265855],[-58.475472,-34.273422],[-58.501871,-34.264833],[-58.499999,-34.288319],[-58.510463,-34.308801],[-58.485051,-34.334586],[-58.459639,-34.377189],[-58.482882,-34.384673],[-58.513651,-34.438307],[-58.481367,-34.478858],[-58.479222,-34.496414],[-58.461283,-34.533017],[-58.501335,-34.552203],[-58.530917,-34.615654],[-58.527187,-34.655242],[-58.460729,-34.704766],[-58.422776,-34.661591],[-58.37418,-34.65712],[-58.342014,-34.631561],[-58.301851,-34.667319],[-58.234795,-34.702146],[-58.195997,-34.735056],[-58.16567,-34.747637],[-58.116922,-34.750584],[-58.051795,-34.776847],[-58.004548,-34.784972],[-57.955458,-34.827601],[-57.942039,-34.832093],[-57.895067,-34.828051],[-57.86365,-34.840155],[-57.804524,-34.876635],[-57.786682,-34.892431],[-57.719438,-34.927913],[-57.668342,-34.941219],[-57.599737,-34.990182],[-57.508094,-35.024604],[-57.441606,-35.074996],[-57.352159,-35.147494],[-57.273995,-35.228083],[-57.232159,-35.264036],[-57.206164,-35.298494],[-57.18551,-35.336523],[-57.147196,-35.388955],[-57.13188,-35.420224],[-57.127308,-35.444587],[-57.152059,-35.493404],[-57.214493,-35.55551],[-57.258091,-35.605264],[-57.346144,-35.719511],[-57.364058,-35.746946],[-57.370763,-35.790898],[-57.392765,-35.876278],[-57.38804,-35.922771],[-57.380444,-35.932072],[-57.382459,-35.966949],[-57.30349,-36.094862],[-57.281211,-36.124833],[-57.240288,-36.168653],[-57.203319,-36.202228],[-57.11645,-36.270904],[-57.077753,-36.294157],[-57.015634,-36.324507],[-56.979225,-36.331636],[-56.928925,-36.332946],[-56.91097,-36.342232],[-56.877788,-36.329194],[-56.839714,-36.332426],[-56.771617,-36.326611],[-56.77423,-36.294709],[-56.750287,-36.306719],[-56.716009,-36.354796],[-56.700886,-36.404709],[-56.691443,-36.481229],[-56.684368,-36.610979],[-56.673042,-36.709156],[-56.674723,-36.823179],[-56.664959,-36.880683],[-56.689134,-36.914296],[-56.746298,-36.979228],[-56.812123,-37.059862],[-56.837297,-37.097818],[-56.946242,-37.236945],[-56.996763,-37.296966],[-57.028759,-37.346278],[-57.090853,-37.450905],[-57.135674,-37.502807],[-57.25822,-37.611104],[-57.383401,-37.711024],[-57.41,-37.734082],[-57.486806,-37.821482],[-57.514489,-37.869285],[-57.542025,-37.969639],[-57.539984,-38.004743],[-57.525108,-38.020773],[-57.538564,-38.042042],[-57.544565,-38.101134],[-57.593852,-38.119906],[-57.634176,-38.170577],[-57.68209,-38.2046],[-57.727868,-38.228897],[-57.77688,-38.245592],[-57.833947,-38.277634],[-57.853447,-38.296657],[-57.966364,-38.336265],[-58.060131,-38.381974],[-58.153185,-38.416709],[-58.24378,-38.447752],[-58.279258,-38.465319],[-58.443679,-38.516225],[-58.517494,-38.543041],[-58.688719,-38.574556],[-58.80612,-38.610571],[-58.829373,-38.622924],[-58.917482,-38.643961],[-59.011368,-38.678296],[-59.073862,-38.689451],[-59.113201,-38.700779],[-59.230497,-38.715393],[-59.375576,-38.74366],[-59.390618,-38.751218],[-59.508484,-38.766878],[-59.677247,-38.794345],[-59.721156,-38.804229],[-59.788664,-38.8264],[-59.854022,-38.837657],[-60.123554,-38.866708],[-60.169476,-38.876476],[-60.200471,-38.877756],[-60.275653,-38.889658],[-60.429246,-38.920363],[-60.481121,-38.927285],[-60.695942,-38.950351],[-60.771272,-38.962428],[-60.846952,-38.979449],[-60.991382,-38.981156],[-61.045782,-38.985413],[-61.131589,-38.999433],[-61.17714,-38.999507],[-61.293918,-38.98959],[-61.384456,-38.988653],[-61.477512,-38.997597],[-61.5501,-39.007273],[-61.612574,-39.00585],[-61.669357,-38.991023],[-61.693955,-38.97029],[-61.738988,-38.971479],[-61.808767,-38.996002],[-61.865764,-38.971256],[-61.896678,-38.970885],[-61.948399,-38.954685],[-62.023886,-38.939347],[-62.067221,-38.919886],[-62.093491,-38.90105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> ]}
和Javascript代码：
$scope.argentinaChart = dc.geoChoroplethChart("#comments-in-map-chart");
$scope.data = crossfilter($scope.data);
$scope.provincias = $scope.data.dimension(function (d) {return d["location"];});
$scope.provinciasComments = $scope.provincias.group().reduceCount();
var numberFormat = d3.format(".2f");
$scope.argentinaChart
.width(990)
.height(500)
.dimension($scope.provincias)
.group($scope.provinciasComments)
.colors(d3.scale.quantize().range(["#E2F2FF", "#C4E4FF", "#9ED2FF", "#81C5FF", "#6BBAFF", "#51AEFF", "#36A2FF", "#1E96FF", "#0089FF", "#0061B5"]))
.colorDomain([0, 200])
.colorCalculator(function (d) { return d ? $scope.argentinaChart.colors()(d) : '#ccc'; })
.overlayGeoJson($scope.geoData.features, "provincias", function (d) {
return d.properties.name;
})
.title(function (d) {
return "Provincia: " + d.key + "\nComentarios: " + numberFormat(d.value ? d.value : 0);
});
dc.renderAll();
答案 0 :(得分：1)
没关系，我忘了改变投影。记住这一点，默认是albersUs，专注于美国。 MEH ....
对于阿根廷：
d3.geo.mercator().scale(800).center([-65, -35]);