Scatter, Line Annotation

import { Chart } from '@antv/g2';

const chart = new Chart({
  container: 'container',
  autoFit: true,
});

const lineStyle = { stroke: '#000', strokeOpacity: 0.45, lineDash: [3, 3] };

chart.options({
  type: 'view',
  children: [
    {
      type: 'point',
      data: [
        { x: 95, y: 95, z: 13.8, name: 'BE', country: 'Belgium' },
        { x: 86.5, y: 102.9, z: 14.7, name: 'DE', country: 'Germany' },
        { x: 80.8, y: 91.5, z: 15.8, name: 'FI', country: 'Finland' },
        { x: 80.4, y: 102.5, z: 12, name: 'NL', country: 'Netherlands' },
        { x: 80.3, y: 86.1, z: 11.8, name: 'SE', country: 'Sweden' },
        { x: 78.4, y: 70.1, z: 16.6, name: 'ES', country: 'Spain' },
        { x: 74.2, y: 68.5, z: 14.5, name: 'FR', country: 'France' },
        { x: 73.5, y: 83.1, z: 10, name: 'NO', country: 'Norway' },
        { x: 71, y: 93.2, z: 24.7, name: 'UK', country: 'United Kingdom' },
        { x: 69.2, y: 57.6, z: 10.4, name: 'IT', country: 'Italy' },
        { x: 68.6, y: 20, z: 16, name: 'RU', country: 'Russia' },
        { x: 65.5, y: 126.4, z: 35.3, name: 'US', country: 'United States' },
        { x: 65.4, y: 50.8, z: 28.5, name: 'HU', country: 'Hungary' },
        { x: 63.4, y: 51.8, z: 15.4, name: 'PT', country: 'Portugal' },
        { x: 64, y: 82.9, z: 31.3, name: 'NZ', country: 'New Zealand' },
      ],
      encode: { x: 'x', y: 'y', size: 'z', shape: 'point' },
      scale: {
        x: { nice: true },
        y: { nice: true, domainMax: 165, zero: true },
        size: { range: [10, 40] },
      },
      style: { stroke: '#1890ff', fillOpacity: 0.3, fill: '#1890ff' },
      labels: [
        {
          text: 'name',
          position: 'inside',
          fill: '#1890ff',
          stroke: '#fff',
        },
      ],
      legend: { size: false },
    },
    {
      type: 'lineY',
      data: [50],
      style: lineStyle,
      labels: [
        {
          text: 'Safe sugar intake 50g/day',
          position: 'right',
          textBaseline: 'bottom',
          fill: '#000',
          fillOpacity: 0.45,
          background: true,
          backgroundFill: '#000',
          backgroundOpacity: 0.15,
        },
      ],
    },
    {
      type: 'lineX',
      data: [65],
      style: lineStyle,
      labels: [
        {
          text: 'Safe fat intake 65g/day',
          position: 'top-left',
          textBaseline: 'bottom',
          fill: '#000',
          fillOpacity: 0.45,
          background: true,
          backgroundFill: '#000',
          backgroundOpacity: 0.15,
        },
      ],
    },
  ],
});
chart.render();