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simaQ avatar simaQ commented on April 28, 2024

guide 元素的位置是由原始数据源中的数值范围决定的,如果设置的数值大于原始数据的范围,就有可能会超出画布导致看不到。

您可以利用列定义,将对应的数值的 max 加大:

基于 3.1.1 版本:

const data = [
    { year: '1951 年', sales: 38 },
    { year: '1952 年', sales: 52 },
    { year: '1956 年', sales: 61 },
    { year: '1957 年', sales: 145 },
    { year: '1958 年', sales: 48 },
    { year: '1959 年', sales: 38 },
    { year: '1960 年', sales: 38 },
    { year: '1962 年', sales: 38 },
  ];
  const chart = new F2.Chart({
    id: 'mountNode',
    width: window.innerWidth,
    height: window.innerWidth * 0.707,
    pixelRatio: window.devicePixelRatio
  });

  chart.source(data, {
    sales: {
      max: 300 // 设置 Y 轴的最大值
    }
  });
  chart.interval().position('year*sales');
  
  chart.guide().line({
    start: [ 'min', 200 ],
    end: [ 'max', 200  ]
  });
  
  chart.render();

image

from f2.

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