参数大小不成比例的气泡图

问题描述

我创建了一个气泡图，并输入了一些测试值，如下所示:

I´ve created a bubble chart and I put in some testing values as follow:

    this.chart1.Series["blueBubble"].Points.AddXY(2, 3, 6);
    this.chart1.Series["redBubble"].Points.AddXY(1, 0, 7);
    this.chart1.Series["yellowBubble"].Points.AddXY(1, 3, 8);

当我将特定气泡的大小放入AddXY函数的第三个参数时，按完全错误的比例表示法进行大小调整.见图片:

As I put in the size of the particular bubble to the third parameter of AddXY function, the sizing is done in a completely wrong proportional representation. See picture:

如何将气泡大小更改为正确的命题表示形式?

How can I change the bubble sizes to the right proposition representation?

推荐答案

这看起来很奇怪.

我最好的解释是，大小总是从最小的一组开始，然后按比例将其从1缩放到最大的一组.

The best explanation I have is that the sizes always start with the smallest one set and scale them going from 1 to the largest one set in proprtional steps.

听起来很奇怪?是的.

以下是 BubbleScaleMax 和 BubbleScaleMin

如果设置为自动"，将使用 最大尺寸.

If set to Auto, the largest plotted bubble will be displayed using the maximum size.

将这些属性设置为除Auto以外的其他任何选项都非常棘手；您可以使用此:

Setting these properties to anything else but Auto is tricky; you could use this:

 chart1.Series[0]["BubbleScaleMin"] = "0";

或者小于您的最小尺寸的任何数字小.

Or any number smaller than your smallest size.

或者，如果您愿意，这是一种解决方法:添加一个透明的虚拟点，其大小= 0并具有合适的x和y值:

Or, if you prefer, here is a workaround: Add a transparent dummy point with size = 0 and suitable x- and y-values:

int i = this.chart1.Series[0].Points.AddXY(1, 1, 0);
this.chart1.Series[0].Points[i].Color = Color.Transparent;

之前和之后:

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