英文:
How to customize Y axis cursor formatting in LightningChart ChartXY?
问题
当你将鼠标移到这个折线图上时，你可以看到Y轴上的标记显示当前的Y值。我想要改变显示的数值，但不知道文档中如何称呼这个元素，如果有的话。
英文:
When you move the mouse over this line chart, you can see the marker on the Y axis showing the current Y value. I want to change the displayed value but have no idea how this element is called in the documentation, if it is described at all.
答案1
得分: 1
在这个情况下，光标在特定轴（本例中是Y轴）上的格式由_tick策略_的属性控制。
以下是自定义光标格式的代码片段。
chart.getDefaultAxisY().setTickStrategy(AxisTickStrategies.Numeric, ticks => ticks
.setCursorFormatter((value, range) => `${value.toFixed(1)} W`)
)
如图所示，光标格式化器也被默认格式化在光标结果表中引用。
英文:
Cursor formatting over a particular axis (Y axis in this case) is controlled over properties of tick strategy.
Here's a code snippet how to customize the cursor formatting.
chart.getDefaultAxisY().setTickStrategy(AxisTickStrategies.Numeric, ticks => ticks
.setCursorFormatter((value, range) => `${value.toFixed(1)} W`)
)
As seen in the picture, the cursor formatter is also referenced by the default formatting in cursor result table.
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