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Using RolloverModifier with series containing NaN's as Y Values

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I am considering applying server-side licensing for my javerScript application.

In the document below, there is a phrase “Our server-side licensing component is written in C++.”

However, there is only sample code on the provided github.

I wonder if there is a sample code implemented in C++ for server-side licensing.

Can you provide c++ sample code?
Also, are there any examples to run on Ubuntu?

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Best Answer

Hi Stuart,

Unfortunately, it isn’t possible with the current implementation of RolloverModifier (neither option). With a little overriding, it is possible to hide the line at all where Y values are NaNs. You need to override the TryUpdateOverlays method and check whether the hit-test was successful inside. Then set DrawVerticalLine to “False” if it wasn’t and to “True” otherwise.

Another option could be implementation of a custom Rollover. There is the article on this topic in our Knowledgebase:—part-1—creating-a-custom-rollover-modifier

Please let us know if you need further assistance with this,

  • Stuart McCullough
    Hi Yuriy Thanks for that, custom route it is by the looks of it. /Stuart
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