ChartsOrg/Charts

Y labels are not shown fully when using setVisibleYRangeMinimum

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#3,315 创建于 2018年3月3日

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bughelp wanted★★

描述

I'm having troubles getting setVisibleYRangeMinimum to work properly. I expect it not only to zoom out to minimum range but also to display all the labels on Y axis.

Here's my code snippet:

data.addDataSet(set1)
wrapperGraphView.data = data
wrapperGraphView.setVisibleYRangeMinimum(300, axis: .left)
wrapperGraphView.notifyDataSetChanged()

Here's the result: img_1241c700dc06-1

It's zooming out properly, but does not display all the labels up to 300 on Y axis.

It seems to be similar to https://github.com/danielgindi/Charts/issues/199 but none of the suggested solutions worked for me.

Any suggestions would be appreciated.

贡献者指南

技术栈
swift
领域
mobilefrontend
议题类型
bug
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-3 hours
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
stale
清晰度议题是否清楚说明期望改动、验收标准和下一步。
clear
前置要求
SwiftiOSCharts library
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
65
研究方向
Investigate the Y axis rendering logic in the Charts library, focusing on how labels are generated when `setVisibleYRangeMinimum` is set. Look at classes like `ChartYAxisRenderer` or `YAxis` to see if labels are being clipped or limited. Check the referenced issue #199 for similar past work. The fix likely involves ensuring the label count or positioning respects the minimum visible range.