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Intensity Graph Example VI

Module by: National Instruments. E-mail the author

Summary: Use an intensity graph.

Exercise 1

In this exercise, you use a VI that displays a wave interference pattern on an intensity graph. You also use the VI to plot a 2D array of data on the graph.

1.a) Front Panel

  1. Open and run the Intensity Graph Example VI located in the C:\Exercises\LabVIEW Basics I directory. By default, the VI plots an interference waveform. A Property Node on the block diagram defines the color range used in the intensity graph. You can change the color range by opening the block diagram and modifying the Color Array constant.
    Figure 1
    Figure 1 (intensitygraphexfp.png)
  2. Change the Plot switch on the front panel to User Data and enter values between 0.0 0.0 and 10.0 10.0 in the User Data array control. Run the VI. Notice how the magnitude of each element is mapped to the intensity graph.
    Figure 2
    Figure 2 (intensitygraphexfp2.png)
  3. Close the VI. Do not save changes.

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