Problem: I receive a GLX error when remotely displaying Tecplot 360 on my Linux machine. Solution: First be sure your graphics drivers are up to date from your graphics provider (i.e. NVIDIA, AMD, etc.). If that doesn’t solve your problem, it is likely an issue with Indirect OpenGL Rendering being disabled. On newer Linux systems, NVIDIA and others are no longer starting X11 servers with indirect OpenGL enabled. Indirect rendering […]
Problem: How do I find myhostids.txt licensing information for my host computer if I cannot share the myhostids.txt file created by Tecplot or FieldView software? Solution: This information can be procured from running a couple commands from the terminal. Instructions for both Windows and Linux are included below. Windows: On Windows, use the command prompt to get your hostname and ethernet physical address (12 digit number) using: ipconfig /all For […]
Problem: How do I set a custom color map as my default color map for a contour group? Solution: This solution consists of two parts, moving the .map file to the colormaps directory and editing the tecplot.cfg file. First, save the color map file containing your custom color map into the colormaps directory. This directory is found within the Tecplot installation directory. It is possible, and acceptable, for this .map […]
Problem: How do I change the viewing angles Psi, Alpha, and Theta from the viewer’s perspective? Also, please help me understand how these angles are defined. Solution: Below is a diagram from the 360 User’s Manual describing how Tecplot defines Psi (Ψ), Theta (θ), and Alpha (α). The following exercise uses PyTecplot to change each of the three angles by 5 degrees and manifests the result after each step. 1) […]
Problem: Can I play a PyTecplot script from the Quick Macro Panel (QMP) in Tecplot? Solution: Yes! This procedure describes how to add a PyTecplot script to your QMP using the Histogram.py (found in the python handy scripts of our GitHub): 1) Make sure PyTecplot is installed and updated, along with other modules used in your PyTecplot script (such as numpy). It is also recommended that you install the latest version of Tecplot […]
Problem: When I run my PyTecplot Python script, I receive a TypeError, ValueError, KeyError, or AttributeError. However, I recorded this script from the 360 user interface, or wrote it using the current Pytecplot documentation, so it should be correct. What is causing this error? For example, running a recorded script using plot.fieldmaps(6,7,8,9,10,11) with PyTecplot 1.0 gives the following error: Traceback (most recent call last): File “C:\recorded_pytecplot.py”, line 17, in <module> tp.active_frame().plot().fieldmaps(6,7,8,9,10,11).mesh.show=False TypeError: […]
Problem: In batch mode, when I run my PyTecplot script using Python 3.8+ on Windows, I receive an error stating that: tecplot.exception.TecplotLibraryNotFoundError: The Tecplot batch library or one of its dependencies could not be found… What is causing this error? Solution: It is likely that you are using an out-of-date version of PyTecplot. Using PyTecplot in batch mode with Python 3.8 on Windows 10 requires version 1.1 or later. Python […]
Problem: I want to display the solution time on my plot. Solution: Use dynamic text to refer to Tecplot’s SOLUTIONTIME variable. Navigate to the Insert>Text menu and click on the plot to open the Text Details dialog. Refer to the SOLUTIONTIME variable using the following syntax: &(SOLUTIONTIME) Please see the User’s Manual for a list of available options regarding dynamic text formatting. For example, to format the solution time […]
Problem: I want to perform a clip plane. Solution: Use a set of macro commands to clip above/below the defined slice. The macro command related to the clipping of planes is: $!SliceAttributes 1 ClipPlane. It can take the following arguments: AbovePrimarySlice, BelowPrimarySlice, and None. Consider adding these macros to your Quick Macro Panel for faster access: $!MacroFunction NAME = “Clip above primary slice” ShowInMacroPanel = TRUE $!SliceAttributes 1 ClipPlane […]
Problem: My solution time is in seconds (ssss.ss), and I want to display it as hours:minutes:seconds (hh:mm:ss.ss). Solution: Use a Tecplot macro to loop over time and retrieve the solution time. Assign the hours, minutes, and seconds to new variables and refer to their max values using dynamic text. Macro Procedure (see link to the GitHub script below): Retrieve the number of time steps: $!EXTENDEDCOMMAND COMMANDPROCESSORID=’extend time mcr’ COMMAND=’QUERY.NUMTIMESTEPS […]
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