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Summary, Tips, and Tricks on Plotting Data

Module by: National Instruments. E-mail the author

  • The waveform chart is a special numeric indicator that displays one or more plots.
  • The waveform chart has the following three update modes:
    • A strip chart shows running data continuously scrolling from left to right across the chart.
    • A scope chart shows one item of data, such as a pulse or wave, scrolling partway across the chart from left to the right.
    • A sweep display is similar to an EKG display. A sweep works similarly to a scope except it shows the old data on the right and the new data on the left separated by a vertical line.
  • Waveform graphs and XY graphs display data from arrays.
  • Right-click a waveform chart or graph or its components to set attributes of the chart and its plots.
  • You can display more than one plot on a graph using the Build Array function located on the Functions>>All Functions>>Array palette and the Bundle function located on the Functions>>All Functions>>Cluster palette for charts and XY graphs. The graph becomes a multiplot graph when you wire the array of outputs to the terminal.
  • You can use intensity charts and graphs to plot three-dimensional data. The third dimension is represented by different colors corresponding to a color mapping that you define. Intensity charts and graphs are commonly used in conjunction with spectrum analysis, temperature display, and image processing.
  • When you wire data to charts and graphs, use the Context Help window to determine how to wire them.

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Definition of a lens

Lenses

A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organizations and people you trust.

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Lens makers point to materials (modules and collections), creating a guide that includes their own comments and descriptive tags about the content.

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| External bookmarks