antv-l7/examples/point/chart/demo/bar.js

80 lines
2.0 KiB
JavaScript

import { Scene, Marker } from '@antv/l7';
import { GaodeMap } from '@antv/l7-maps';
import * as G2 from '@antv/g2';
const scene = new Scene({
id: 'map',
map: new GaodeMap({
style: 'light',
center: [ 2.6125016864608597, 49.359131 ],
pitch: 0,
zoom: 4.19
})
});
scene.on('loaded', () => {
addChart();
scene.render();
});
function addChart() {
fetch(
'https://gw.alipayobjects.com/os/basement_prod/0b96cca4-7e83-449a-93d0-2a77053e74ab.json'
)
.then(res => res.json())
.then(data => {
data.nodes.forEach(function(item) {
const el = document.createElement('div');
const total =
item.gdp.Agriculture + item.gdp.Industry + item.gdp.Service;
const size = Math.min(parseInt(total / 30000, 10), 70);
if (size < 30) {
return;
}
const itemData = [
{
item: 'Agriculture',
count: item.gdp.Agriculture,
percent: item.gdp.Agriculture / total
},
{
item: 'Industry',
count: item.gdp.Industry,
percent: item.gdp.Industry / total
},
{
item: 'Service',
count: item.gdp.Service,
percent: item.gdp.Service / total
}
];
const chart = new G2.Chart({
container: el,
width: size,
height: size,
render: 'svg',
padding: 0
});
chart.legend(false);
chart.source(itemData);
chart.tooltip(false);
chart.axis('count', {
grid: false
});
chart
.interval()
.position('item*count')
.color('item', [ '#5CCEA1', '#5D7092', '#5B8FF9' ])
.opacity(1);
chart.render();
const marker = new Marker({
element: el
}).setLnglat({
lng: item.coordinates[0],
lat: item.coordinates[1]
});
scene.addMarker(marker);
});
});
}