Multiplot graph with missing values fills them with zero instead of NaN

I have a waveform graph with multiple arrays (2D) which has different numbers of points in each array. LabVIEW finds the array with the most points and then plots all arrays with that many points. It assigns the missing points a value of zero and displays those zero values. This means arrays with fewer points than the maximum will have values of zero appear in their plots. This can be avoided by filling in missing points with NaN. I am acquiring data in a loop and displaying it which requires continuous determination of the number of actual points and filling in of missing points with NaN. Not difficult, but this could be avoided if LabVIEW would fill missing points with NaN instead of with zero. Any way to have this happen automatically ?
Steve
Attachments:
Graph MultiPlot Missing Data.vi ‏18 KB

You can also consider using an XY graph so you don't have to do additional data manipulation. See attached for comparison.
Attachments:
Graph MultiPlot Missing Data mod.vi ‏22 KB

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Multiplot graph with missing values fills them with zero instead of NaN

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