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自定义图形纹理
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2020-09-14 13:09:55
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代码
const geoJson = { "type": "FeatureCollection", "creator": "svg2geojson v0.7.0", "features": [ { "type": "Feature", id: '下渚湖街道', "properties": { name: '下渚湖街道' }, "geometry": { "type": "Polygon", "coordinates": [ [ [120.050010, 30.534876], [120.043078, 30.535643], [120.040193, 30.533941], [120.033188, 30.536598], [120.032288, 30.538986], [120.027404, 30.538986], [120.026557, 30.532989], [120.028399, 30.532174], [120.028399, 30.529006], [120.024640, 30.529006], [120.024640, 30.526512], [120.027544, 30.526512], [120.026448, 30.520690], [120.018727, 30.520690], [120.017123, 30.519271], [120.017123, 30.516371], [120.013292, 30.517501], [120.014201, 30.521522], [120.013146, 30.521522], [120.011267, 30.519027], [120.006428, 30.519027], [120.000734, 30.516507], [119.997263, 30.517275], [119.996399, 30.514216], [119.991657, 30.510859], [119.988702, 30.505629], [119.985772, 30.506493], [119.983859, 30.504800], [119.981946, 30.505646], [119.977936, 30.502807], [119.987782, 30.495678], [119.999204, 30.490623], [120.000280, 30.486812], [119.995512, 30.484280], [119.995512, 30.483268], [120.001149, 30.483268], [120.001149, 30.478951], [120.003029, 30.478120], [120.003029, 30.474536], [120.003005, 30.474405], [120.001217, 30.469659], [120.005043, 30.466273], [120.003163, 30.463778], [120.004908, 30.462235], [120.004908, 30.460227], [120.003968, 30.459395], [120.003968, 30.456069], [120.001814, 30.454162], [119.995184, 30.454162], [119.992693, 30.452692], [119.992693, 30.451332], [119.994493, 30.447350], [119.999133, 30.444061], [120.003763, 30.439963], [120.008287, 30.438362], [120.016653, 30.438362], [120.016848, 30.438362], [120.018715, 30.436709], [120.033775, 30.437542], [120.038900, 30.432099], [120.036547, 30.430016], [120.031218, 30.430802], [120.031218, 30.428382], [120.033509, 30.428382], [120.037211, 30.429202], [120.037325, 30.429214], [120.046625, 30.429214], [120.053248, 30.431726], [120.057931, 30.430897], [120.061092, 30.432296], [120.058303, 30.436409], [120.061407, 30.438240], [120.064105, 30.442219], [120.064105, 30.447777], [120.055648, 30.456924], [120.055648, 30.473016], [120.062239, 30.480515], [120.063167, 30.490371], [120.063215, 30.490523], [120.065991, 30.495438], [120.066938, 30.508011], [120.071355, 30.511138], [120.064845, 30.516076], [120.072386, 30.523584], [120.070018, 30.525680], [120.065320, 30.525680], [120.062534, 30.528145], [120.056951, 30.527322], [120.051055, 30.530801], [120.050010, 30.532650], [120.050010, 30.534876] ] ] } }, { "type": "Feature", id: '洛舍镇', "properties": { name: '洛舍镇' }, "geometry": { "type": "Polygon", "coordinates": [ [ [120.022761, 30.621508], [120.022761, 30.619269], [120.026895, 30.622196], [120.030278, 30.621198], [120.030278, 30.618661], [120.031742, 30.618013], [120.035653, 30.618878], [120.039747, 30.613444], [120.037795, 30.609990], [120.037795, 30.606037], [120.042524, 30.598504], [120.041508, 30.594906], [120.034378, 30.588596], [120.032304, 30.592267], [120.029210, 30.592951], [120.028460, 30.590296], [120.032206, 30.587810], [120.031304, 30.583816], [120.036333, 30.583074], [120.041069, 30.584751], [120.043776, 30.583952], [120.051989, 30.591221], [120.056797, 30.598029], [120.063080, 30.598029], [120.064183, 30.593148], [120.060346, 30.592299], [120.060346, 30.588791], [120.063999, 30.587982], [120.064951, 30.585454], [120.069421, 30.583871], [120.072425, 30.582985], [120.073322, 30.581397], [120.074259, 30.581397], [120.073442, 30.583565], [120.078384, 30.588813], [120.083027, 30.590457], [120.084025, 30.592224], [120.101126, 30.591333], [120.099026, 30.588546], [120.104509, 30.584503], [120.104509, 30.581514], [120.101690, 30.580682], [120.101690, 30.576273], [120.106009, 30.574745], [120.109482, 30.574745], [120.126395, 30.589713], [120.128939, 30.589713], [120.128939, 30.592485], [120.126120, 30.595812], [120.126120, 30.606068], [120.128939, 30.609395], [120.128939, 30.622819], [120.130818, 30.623650], [120.130818, 30.626304], [120.127335, 30.626304], [120.124433, 30.628873], [120.122416, 30.629765], [120.121507, 30.633788], [120.116724, 30.633788], [120.116724, 30.629575], [120.108867, 30.630444], [120.105107, 30.627948], [120.090822, 30.629634], [120.090664, 30.629679], [120.087595, 30.631122], [120.087595, 30.641609], [120.085868, 30.645431], [120.080659, 30.645431], [120.075380, 30.643095], [120.075380, 30.641273], [120.071322, 30.641273], [120.065890, 30.637267], [120.062046, 30.630462], [120.054708, 30.630462], [120.054708, 30.628799], [120.047831, 30.628799], [120.042193, 30.624641], [120.039010, 30.624641], [120.037131, 30.626304], [120.034216, 30.626304], [120.033276, 30.627967], [120.028040, 30.627967], [120.024718, 30.626497], [120.025646, 30.623210], [120.022761, 30.621508] ] ] } }, { "type": "Feature", id: '阜溪街道', "properties": { name: '阜溪街道' }, "geometry": { "type": "Polygon", "coordinates": [ [ [120.036855, 30.566235], [120.036855, 30.572159], [120.044416, 30.573831], [120.045298, 30.580077], [120.043569, 30.583136], [120.041098, 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30.533752], [120.137396, 30.532333], [120.140394, 30.532333], [120.141334, 30.533996], [120.147847, 30.533996], [120.149606, 30.539443] ] ] } } ] } const img = new Image(); const bgPatternSrc = 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img.src = bgPatternSrc; const geojsonData = [{ "type": "Feature", id: '高新区', "properties": { name: '高新区' }, "geometry": { "type": "Polygon", "coordinates": [ [ [119.740402, 30.493663], [119.740402, 30.493663], [119.740402, 30.432125], [119.811814, 30.432125], [119.811814, 30.486179], [119.820271, 30.495326], [119.808995, 30.493663], [119.740402, 30.493663] ], [ [119.742281, 30.492000], [119.742281, 30.492000], [119.809935, 30.492000], [119.809935, 30.433788], [119.742281, 30.433788], [119.742281, 30.492000] ], [ [119.771279, 30.481119], [119.771474, 30.481668], [119.773033, 30.481485], [119.774202, 30.482401], [119.774202, 30.482768], [119.774592, 30.483134], [119.776151, 30.483134], [119.776541, 30.483684], [119.777516, 30.483501], [119.777516, 30.482951], [119.777321, 30.482585], [119.777516, 30.482401], [119.777516, 30.481852], [119.777906, 30.481852], [119.777906, 30.481119], [119.778295, 30.480935], [119.778295, 30.480386], [119.777711, 30.479836], [119.777711, 30.479470], [119.778490, 30.479470], [119.778490, 30.478737], [119.777906, 30.478737], [119.777711, 30.478004], [119.776931, 30.478187], [119.776736, 30.478737], [119.776346, 30.479286], [119.775762, 30.478737], [119.775762, 30.478004], [119.774202, 30.477271], [119.773423, 30.477271], [119.773423, 30.475805], [119.773813, 30.475805], [119.773813, 30.475438], [119.773423, 30.474705], [119.773618, 30.474522], [119.775177, 30.475072], [119.775567, 30.474705], [119.775372, 30.473973], [119.773228, 30.472873], [119.772058, 30.472873], [119.771669, 30.473606], [119.771669, 30.474705], [119.771279, 30.474889], [119.770694, 30.474705], [119.769914, 30.475438], [119.770694, 30.475988], [119.771669, 30.475988], [119.772253, 30.478279], [119.772253, 30.480569], [119.771279, 30.481119], [119.771279, 30.481119] ], [ [119.750423, 30.463364], [119.749842, 30.464204], [119.749842, 30.466052], [119.752168, 30.466052], [119.756626, 30.463364], [119.759922, 30.463027], [119.761666, 30.462355], [119.763023, 30.464036], [119.763605, 30.466220], [119.766706, 30.466052], [119.771165, 30.464876], [119.772134, 30.464036], [119.771746, 30.462859], [119.771165, 30.462187], [119.773103, 30.462019], [119.775430, 30.462355], [119.776011, 30.459499], [119.779113, 30.459667], [119.779500, 30.459162], [119.781633, 30.457986], [119.783184, 30.455297], [119.782020, 30.454289], [119.784734, 30.454121], [119.788999, 30.454625], [119.790550, 30.453785], [119.793458, 30.453785], [119.797335, 30.451937], [119.798304, 30.451096], [119.799273, 30.448408], [119.802956, 30.444375], [119.807027, 30.447063], [119.809935, 30.443702], [119.809159, 30.443366], [119.809935, 30.442190], [119.807027, 30.440510], [119.807027, 30.439333], [119.805476, 30.436645], [119.805864, 30.434964], [119.805476, 30.434628], [119.803150, 30.434292], [119.802375, 30.433788], [119.801599, 30.434796], [119.801599, 30.435804], [119.802956, 30.435636], [119.803538, 30.435972], [119.803344, 30.437317], [119.804119, 30.438829], [119.801599, 30.438829], [119.801405, 30.440510], [119.793458, 30.442022], [119.787642, 30.442694], [119.787642, 30.444711], [119.788418, 30.446727], [119.792682, 30.447231], [119.791519, 30.453281], [119.789581, 30.452945], [119.788418, 30.453449], [119.786673, 30.453449], [119.785897, 30.453785], [119.785897, 30.451432], [119.783571, 30.451264], [119.783571, 30.449584], [119.779888, 30.449584], [119.781633, 30.451432], [119.781439, 30.452609], [119.781827, 30.454121], [119.777174, 30.454121], [119.768839, 30.455802], [119.766125, 30.456474], [119.763799, 30.455802], [119.756045, 30.455634], [119.753331, 30.457146], [119.746546, 30.457146], [119.746352, 30.456138], [119.745577, 30.455802], [119.743832, 30.456306], [119.742281, 30.456474], [119.743638, 30.458658], [119.744026, 30.458994], [119.744220, 30.460339], [119.745771, 30.461851], [119.747903, 30.461683], [119.749648, 30.462691], [119.749648, 30.463364], [119.750423, 30.463364], [119.750423, 30.463364] ], [ [119.747046, 30.448310], [119.748951, 30.448310], [119.749142, 30.449588], [119.752001, 30.449223], [119.754669, 30.449406], [119.755812, 30.447398], [119.757908, 30.445207], [119.758480, 30.443564], [119.758290, 30.442104], [119.752001, 30.442469], [119.749523, 30.445390], [119.747046, 30.445390], [119.747046, 30.448310], [119.747046, 30.448310] ], [ [119.786113, 30.455932], [119.786698, 30.456454], [119.786893, 30.457498], [119.788842, 30.459935], [119.790791, 30.461153], [119.791570, 30.462894], [119.792935, 30.462720], [119.794689, 30.461501], [119.794689, 30.460457], [119.792740, 30.459065], [119.791765, 30.459587], [119.791765, 30.459065], [119.790791, 30.459239], [119.789816, 30.458194], [119.790791, 30.457846], [119.790791, 30.457150], [119.790011, 30.456280], [119.790011, 30.455409], [119.786113, 30.455932], [119.786113, 30.455932] ] ] } }] function renderItem(params, api) { // console.log(params); //params为是么没有 data 属性呢？ const { dataIndex } = params; const data = geojsonData[dataIndex]; const geometry = data.geometry; let { type, coordinates } = geometry; //统一为MultiPolygon 处理 if (type == 'Polygon') { coordinates = [coordinates]; } const color = '#999'; console.log(api.style()) const polygons = coordinates.map(coordinate => { //忽略hole 因为echarts map polygon has hole is a bug const points = coordinate[0].map(c => { return api.coord(c); }) return new echarts.graphic.Polygon({ shape: { points: points }, style: { fill: {image:img}, stroke: 'red', } }) }) //polygon 集合 return { type: 'group', children: polygons } // 好像不支持 CompoundPath奥 // return { // type:'CompoundPath', // shape:{ // paths:polygons // } // } } echarts.registerMap('deqing', geoJson); option = { backgroundColor: '#fff', tooltip: {}, geo: { map: 'deqing', zoom: 1.2, roam: true, label: { show: true, color: '#000000BF', }, selectedMode: 'single', itemStyle: { areaColor:{ image: img, }, borderColor: '#ffffff78', borderWidth: 1, }, }, series: [ { type: 'custom', tooltip: {}, coordinateSystem: 'geo', geoIndex: 0, renderItem: renderItem, itemStyle: { color: { image: img, }, }, animation: false, silent: true, data: geojsonData, z: -10, }, ] }; myChart.setOption(option);
