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Tecplot Add-on: Step by timestep

This user-contributed add-on is unsupported. Please use forums for questions and comments.

(Please let jim know if you have an add-on you'd like to share or link to.)
The extendtimemcr add-on simplifies the macro interface when dealing with transient data. Tecplot's native macro language requires that the user know the solution times of their data. This add-on allows the user to query the number of solution times in the data set and advance the time step using a simple loop.
  • Written by: Scott Fowler
  • Compatible with: Tecplot 360 2006 R2 This add-on is included in Tecplot 360 2008 and Tecplot Focus 2008
  • Macro Language: Here is an example:
    #
    # Get the number of time steps into the macro variable VVV
    #
    $!ADDONCOMMAND ADDONID='Extend Time MCR'
      COMMAND='QUERY.NUMTIMESTEPS VVV'

    #
    # Set the solution time at time step nnn. The acceptible value range
    # for nnn is: 1 - NumTimeSteps
    #
    $!ADDONCOMMAND ADDONID='Extend Time MCR'
      COMMAND='SET.CURTIMESTEP nnn'

    #
    # Get the solution time at time step nnn into the macro variable VVV.
    # The acceptible value range for nnn is: 1 - NumTimeSteps
    #
      COMMAND='QUERY.TIMEATSTEP nnn VVV'
    More samples:
    $!ADDONCOMMAND ADDONID='Extend Time MCR'
      COMMAND='QUERY.NUMTIMESTEPS NUMTIMESTEPS'
    $!LOOP |NUMTIMESTEPS|

       $!ADDONCOMMAND ADDONID='Extend Time MCR'
         COMMAND='SET.CURTIMESTEP |LOOP|'
       $!ADDONCOMMAND ADDONID='Extend Time MCR'
         COMMAND='QUERY.TIMEATSTEP |LOOP| CURTIME'
       $!PAUSE "Current time is: |CURTIME|"
    $!ENDLOOP
  • Known Limitations: This add-on uses a different algorithm for sorting the solution times than Tecplot does. Tecplot combines time steps that are sufficiently close together, so the number of time steps reported by this add-on may differ from the number of time steps reported by Tecplot.
    Please use the forums for questions and comments.
Instructions:
  1. Download the add-on (or compile the source) and save it in $TEC360HOME/bin
  2. Edit your tecplot.add file and append this line:
    $!LoadAddOn "extendtimemcr"
  3. Start Tecplot
Files: (right-click and save)
  • Windows DLL (pre-compiled): extendtimemcr.dll
  • Source: extendtimemcr.zip
    Building is pretty straight forward, but it does use the adkutil library distributed with Tecplot, so be sure to link with that library!
    Linux users: if you send me the compiled version, I'll post it here.
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