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Error Bar Support in Bar Charts #1483

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kealist opened this issue Nov 9, 2023 · 3 comments · May be fixed by #1842
Open

Error Bar Support in Bar Charts #1483

kealist opened this issue Nov 9, 2023 · 3 comments · May be fixed by #1842
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enhancement New feature or request good first issue Good for newcomers Line Chart

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@kealist
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kealist commented Nov 9, 2023 •
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Bar charts often have error bars that display standard error for the data. This is necessary for most scientific applications, but most flutter charting libraries do not have this feature. I specifically need them on Bar charts but would be relevant to other chart types

MS Excel documentation

I would like the ability to specify error bars for a particular bar in a bar chart
@imaNNeo imaNNeo added enhancement New feature or request Line Chart labels Nov 11, 2023
@imaNNeo
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imaNNeo commented Nov 11, 2023

As a hack, you can implement your own FlDotPainter to paint anything that you want. But I think you are not able to draw in the chart's coordinates easily.
We can provide some functions to allow people to project the chart's coordinate in FlDotPainters

@imaNNeo imaNNeo added the good first issue Good for newcomers label Nov 11, 2023
@kealist
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kealist commented Nov 27, 2023

@imaNNeo Anything like that would be helpful on projecting coordinates.

@imaNNeo imaNNeo linked a pull request Jan 7, 2025 that will close this issue
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@imaNNeo
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imaNNeo commented Jan 7, 2025

I just started working on this feature request.
It is financially sponsored by Intero The Sniffers. I appreciate their support.

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enhancement New feature or request good first issue Good for newcomers Line Chart
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WIP: Feature/error indicator imaNNeo/fl_chart
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