雨量流量关系图

其他

雨量流量关系图

用区域图表示雨量流量关系

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,height=device-height">
    <title>雨量流量关系图</title>
    <style>::-webkit-scrollbar{display:none;}html,body{overflow:hidden;height:100%;margin:0;}</style>
</head>
<body>
<div id="mountNode"></div>
<script>/*Fixing iframe window.innerHeight 0 issue in Safari*/document.body.clientHeight;</script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.g2-3.5.1/dist/g2.min.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.data-set-0.10.1/dist/data-set.min.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/assets/lib/jquery-3.2.1.min.js"></script>
<script>
  $('<div id="slider"></div>').insertAfter('#mountNode');

$.getJSON('https://gw.alipayobjects.com/os/antvdemo/assets/data/rain-flow.json', function(data) {
    var ds = new DataSet({
      state: {
        start: new Date('2009/7/20 0:00').getTime(),
        end: new Date('2009/9/9 0:00').getTime()
      }
    });
    var dv = ds.createView('origin').source(data);
    dv.transform({
      type: 'filter',
      callback: function callback(obj) {
        var time = new Date(obj.time).getTime(); // !注意：时间格式，建议转换为时间戳进行比较
        return time >= ds.state.start && time <= ds.state.end;
      }
    });

var chart = new G2.Chart({
      container: 'mountNode',
      forceFit: true,
      height: window.innerHeight - 60,
      padding: [40, 40, 40, 80],
      animate: false
    });
    var scale = {
      time: {
        type: 'time',
        tickCount: 8,
        mask: 'm/dd hh:MM'
      },
      flow: {
        alias: '流量(m^3/s)'
      },
      rain: {
        alias: '降雨量(mm)'
      }
    };

chart.axis('rain', {
      grid: null
    });
    chart.axis('flow', {
      title: true
    });
    chart.legend(false);

var view1 = chart.view();
    view1.source(dv, scale);
    view1.area().position('time*flow').color('l(100) 0:#a50f15 1:#fee5d9').opacity(0.85);

var view2 = chart.view();
    view2.axis('rain', {
      position: 'right'
    });
    view2.source(dv, scale);
    view2.coord().reflect();
    view2.area().position('time*rain').color('l(100) 0:#293c55 1:#f7f7f7').opacity(0.85);

chart.render();

// 创建 Slider
    chart.interact('slider', {
      container: 'slider',
      data: dv.rows,
      start: ds.state.start, // 和状态量对应
      end: ds.state.end,
      scales: scale,
      xAxis: 'time',
      yAxis: 'flow',
      backgroundChart: {
        type: 'line',
        color: 'grey'
      },
      onChange: function onChange(ev) {
        var startValue = ev.startValue,
          endValue = ev.endValue;

ds.setState('start', startValue);
        ds.setState('end', endValue);
      }
    });
  });
</script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,height=device-height">
    <title>雨量流量关系图</title>
    <style>::-webkit-scrollbar{display:none;}html,body{overflow:hidden;height:100%;margin:0;}</style>
</head>
<body style="background: #1f1f1f;">
<div id="mountNode"></div>
<script>/*Fixing iframe window.innerHeight 0 issue in Safari*/document.body.clientHeight;</script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.g2-3.5.1/dist/g2.min.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.data-set-0.10.1/dist/data-set.min.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/assets/lib/jquery-3.2.1.min.js"></script>
<script>G2.Global.setTheme('dark');</script>
<script>
  $('<div id="slider"></div>').insertAfter('#mountNode');

chart.axis('rain', {
      grid: null
    });
    chart.axis('flow', {
      title: true
    });
    chart.legend(false);

var view1 = chart.view();
    view1.source(dv, scale);
    view1.area().position('time*flow').color('l(100) 0:#a50f15 1:#fee5d9').opacity(0.85);

chart.render();

ds.setState('start', startValue);
        ds.setState('end', endValue);
      }
    });
  });
</script>
</body>
</html>

图表简介

用区域图表示雨量流量关系

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区域图结合 slider interaction 和 data-set 表示雨量和流量关系

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