linechart

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Describe the bug

BarChart completely ignores the x value from BarChartGroupData and set the bar in the same order as occurs on the list passed to parameter barGroups. After changing the order on the list barGroups result chart should look the same as before.

Hi,

I was wondering if you have any ideas on how to make the line chart real-time? Right now, the chart always re-renders (Redraws the entire point list) when new data is set on the chart. Of course, currently there is no way to append new data so that would be something that would need to be added for a real-time chart. Let's imagine we can append new data point to the line chart. I have not b

When we setting ChartData. axisMin the Offset in TargetLineDecoration.applyPaintTransform calculates wrongly.

The problem is in:
Offset(state.defaultPadding.left + state.defaultMargin.left, _height - (state.defaultMargin.bottom + state.defaultPadding.bottom) - (scale * (target ?? 0.0) + _minValue);

instead of adding _minValue we should subtract it from `scale * (target ?? 0.