If you prefer Python, use the script, _line(), in the PyTecplot Reference Manual. See the macro command, $!ExtractFromPolyline, in the Tecplot Scripting Guide. Yes, you can do this using our scripting layer. Can I input exact geometries to extract? For example, can I define a rectangle by coordinates and then extract geometry over time? You can also use the Analyze>Perform Integration tool to create a line plot of an integrated variable versus time. This command creates a time-series function to plot the values at a specific point through time. If I have understood the question correctly, after you load the data, you can use the Tools>Probe. How do I pull out a single variable from a pre-formatted Tecplot dataset and plot it as line vs time? Use Frame>Edit Current Frame to make the frame background transparent. Load each dataset into a separate frame and then overlay the frames. You can then plot both datasets in the same frame. Use Data>Alter>Specify Equations to normalize the X variable.
To overlay two datasets that have different X values, you have two options:
See Upcoming and Recorded Training Sessions » How can I make a graphic overlapping two pair of data with different delta X?
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