Hi. Please take a look at the VI that I attached below. What I am doing is to retrieve 2 colums of values from my text file and feed it into the polar plot so that it can construct an ellipse. The first problem I am having now is that nothing happens when I start running the VI even when I had specify the text file for it to read on the block diagram. The second problem is that the polar plot does not reflect the plot colour that I have chosen. For example, if I chose red for the plot colour, it still plots in black. Can anyone please tell me what is wrong with my VI? Thanks.

LabVIEW

Hi Fred,

you never told us your LV version. Maybe a signature like mine would be a good idea - as now many LV users will start to use LV2011...

Best regards,
GerdW

using LV2016/2019/2021 on Win10/11+cRIO, TestStand2016/2019

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