自定义图形纹理echarts custom配置项内容和展示
配置项如下
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[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);
截图如下
