Summary, Tips, and Tricks on Plotting Data 1.1 2004/06/24 12:47:30 GMT-5 2004/07/16 15:17:52.284 GMT-5 National Instruments certification@ni.com National Instruments certification@ni.com Harika Basana ilsai@rice.edu Elizabeth Gregory lizzardg@rice.edu Malan Shiralkar mshiralkar05@hotmail.com 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.