Control the properties of the graph of a waveform for waveform table.

I'm to customize a waveform graph.  I will have no problem using nodes property to define all the things I need to (color plot, the names of axes, etc...).  My wave form is actually an array that contains the seven waveforms.  The problem is that the property of the waveform graph node changes only trace, legend, etc. the first signal in the graph.  They all have the chart perfectly together.  However, my application requires the user to be able to select say signals 2, 5 and 7 of the table.  When it does, it receives signals of 2, 5 and 7 on the chart, but the legend Watch reports 1, 2 and 3 and they draw in the colours of the signals 1, 2 and 3.  Any suggestions on the update of the properties of several plots of a waveform graph?

Also when I want 1 signal trace a curve of waveform.  When I want the signals from 2 to 7, I have to draw a second copy of the curve of waveform.  For some reason any a waveform table chart cannot double as a unique waveform graph.  Any ideas on that?  Thanks in advance for your help.

To change the properties of other signals in the chart, you will need to set the ActivePlot property node before writing the color, the name of legend, etc... To display only the selected signals, you could do a couple different things.

(1) set the color of the signals that are not visible by transparency

(2) write NaN values to the curve of waveform of the signal that you do not want to display

Tags: NI Software

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