How do I make an XY-Graph plot points over time?

I am building a program to plot and take data of a relationship between two voltages. One is voltage is uniquely dependent on the other. So far I have successfully built an XY-Graph to plot the voltages against each other (Voltage1 along the x-axis and Voltage2 along the y-axis). However, the XY-Graph only diplays the point (V1, V2) at the instantaneous time I am looking at it, and does not continuously plot different points as I vary the independent voltage. I need the graph to display all the points that occur as I vary the independent voltage. As of right now, all I see is one little cursor that moves all over the graph as I vary it. My program consists of a While Loop that contains all of the following: two seperate data anolog input functions that take both voltage separately from my board. The the output samples from each 'AI Sample' function are then bundled into one cluster using the 'bundle' function. The cluster output from the 'bundle' function is then wired to a 'build array' function. The 1-D array output from the 'build array' function is then wired to my 'XY-Graph'. How do I get the XY-Graph to plot a point every millisecond or so?

Bundling and then using the Build Array is not correct. Yuo can see the correct method in the help for an XY Graph below. In order to use the normal XY Grpah, you would have two shif registers. One for the X array and one for the Y. Bundle the two arrays and then wire to the graph.
The other way is to use the Express XY Graph. With that, you can just wire your scalars to the X and Y inputs and set the Reset input to false.
Message Edited by Dennis Knutson on 11-12-2007 06:32 PM
Attachments:
XY Graph 1.PNG ‏21 KB
XY Graph 2.PNG ‏6 KB

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How do I make an XY-Graph plot points over time?

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