mirror of https://gitee.com/antv-l7/antv-l7
81 lines
1.9 KiB
TypeScript
81 lines
1.9 KiB
TypeScript
import { Scene, Mapbox } from '@antv/l7';
|
|
import { Choropleth } from '@antv/l7plot';
|
|
|
|
const scene = new Scene({
|
|
id: 'map',
|
|
map: new Mapbox({
|
|
style: 'blank',
|
|
center: [120.19382669582967, 30.258134],
|
|
zoom: 3,
|
|
pitch: 0,
|
|
}),
|
|
});
|
|
|
|
scene.on('loaded', () => {
|
|
fetch(
|
|
`https://gw.alipayobjects.com/os/alisis/geo-data-v0.1.1/administrative-data/area-list.json`,
|
|
)
|
|
.then((response) => response.json())
|
|
.then((list) => {
|
|
const data = list
|
|
.filter(({ level }) => level === 'city')
|
|
.map((item) =>
|
|
Object.assign({}, item, { value: Math.random() * 5000 }),
|
|
);
|
|
|
|
const choropleth = new Choropleth({
|
|
source: {
|
|
data: data,
|
|
joinBy: {
|
|
sourceField: 'adcode',
|
|
geoField: 'adcode',
|
|
},
|
|
},
|
|
viewLevel: {
|
|
level: 'country',
|
|
adcode: 100000,
|
|
granularity: 'city',
|
|
},
|
|
autoFit: true,
|
|
color: {
|
|
field: 'value',
|
|
value: ['#B8E1FF', '#7DAAFF', '#3D76DD', '#0047A5', '#001D70'],
|
|
scale: { type: 'quantize' },
|
|
},
|
|
style: {
|
|
opacity: 1,
|
|
stroke: '#ccc',
|
|
lineWidth: 0.6,
|
|
lineOpacity: 1,
|
|
},
|
|
label: {
|
|
visible: true,
|
|
field: 'name',
|
|
style: {
|
|
fill: '#000',
|
|
opacity: 0.8,
|
|
fontSize: 10,
|
|
stroke: '#fff',
|
|
strokeWidth: 1.5,
|
|
textAllowOverlap: false,
|
|
padding: [5, 5],
|
|
},
|
|
},
|
|
state: {
|
|
active: { stroke: 'black', lineWidth: 1 },
|
|
},
|
|
tooltip: {
|
|
items: ['name', 'adcode', 'value'],
|
|
},
|
|
zoom: {
|
|
position: 'bottomright',
|
|
},
|
|
legend: {
|
|
position: 'bottomleft',
|
|
},
|
|
});
|
|
|
|
choropleth.addToScene(scene);
|
|
});
|
|
});
|