Can you use a control reference for a graph with two channels of data?

Question

when i try to wire a 2-D array of data to the value property of a graph(strict control reference), it shows a conflict. The value data type only shows up as accepting a 1-D array input. I want to use control references to pass the chart data to my main vi. Will I have to change the waveform graph control reference into an array control reference to make this work?? This would require adding a while loop in the main vi to read the array data and update the graph data??

Answer 1

> when i try to wire a 2-D array of data to the value property of a
> graph(strict control reference), it shows a conflict. The value data
> type only shows up as accepting a 1-D array input. I want to use
> control references to pass the chart data to my main vi. Will I have
> to change the waveform graph control reference into an array control
> reference to make this work?? This would require adding a while loop
> in the main vi to read the array data and update the graph data??
I think the problem is that your waveform graph is set to take one type,
a 1D array of doubles, and you are wiring a different type. While
charts adapt to type when the data is wired to their terminal, they do
not adapt to data wired to their value property. If you change the
datatype of the graph from its terminal, then you should see the value
property change type also and you are set.
Greg McKaskle