Boost: Issue with ConnectNulls when zooming #7730
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Hi @NeuwenWolf Internal note @cvasseng any comments? |
cvasseng
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Jan 30, 2018
A fix has been pushed, and is pending merge. Here's a preview: http://jsfiddle.net/baz8mfLh/ |
TorsteinHonsi
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Jan 31, 2018
Fixed in 6.0.5. |
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Expected behaviour
Null points should never be connected.
Actual behaviour
In specific circumstances (which I cannot fully pin down), points that are not within the zoomed range (i.e. not visible) are connected.
Live demo with steps to reproduce
http://jsfiddle.net/vd1y2cjx/7/



Zoom in on the two points in Series 2 to see Series 1 connect
Product version
Development version of boost.js
Latest stable of highcharts.js
Affected browser(s)
Only tested in Chrome
Further Comments
It seems you need at least 3 series to make it happen.

You don't need values on either side, here is the edge of a chart where there are no values to the left, but the chart is drawing horizontal null-value lines:
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