When I turn on smart axis label panel I get this whenever the chart fully loads without items and then adds the first item:

https://dr.tt/view?d=rinzk5y4p0odt94%2F2016-05-06%20at%208.37%20AM.png

Likely just one at a time.

I think i found the issue where the label gets clipped when you only have one visible label. Before I start making any changes, though, I'd like to make sure that's the issue you're seeing with your project.

Take a look at the attached project. Once a point is added, the label is clipped. Once there are two labels, they get scaled down to fit the available axis label space.
Let me know whether that's the problem you were reporting. 

That looks like the problem. Thanks! :)

I'm no longer able to reproduce the issue after I made a fix earlier. Can you try out this sample and let me know if labels get clipped after the insert?

I finally found the problem...  IGCategoryDateTimeXAxis.

I've tried changing to a regular category X axis but then I get different behavior where labels disappear unless I zoom in.

My final implementation that works, looks something like this:

    CGFloat zoomScale = fmaxf(0, self.chartView.zoomScale);

    CGFloat interval = fmaxf(1, (count / numberOfLabels) / zoomScale);

We are still fighting this issue. Was there a new build we should be using for the fixes you mentioned?

I can try turning off the smart axis panel, but a similar issue happens when the chart fills up with points. Except, I see the "..." - even when zoomed in.

http://bit.ly/25f5GqF

Gif: http://giphy.com/gifs/l3E6DWKGxooe9vfRm

Classes involved, 

IGChartView

IGLineSeries

IGCategoryXAxis

IGNumericYAxis

IGCategoryDatePoint, we use these to preserve the NSDate, which is used later for CSV output. We set the label property via NSDateFormatter.

xAxis looks like...

        self.xAxis.useSmartAxisPanel = YES;

        self.xAxis.smartAxisAngle = 45;

        self.xAxis.smartAxisFontSize = 12;

Do you have a build I can test with?