VITLES_TO_TEC_3D is a C program which reads a file defining a flow in a 3D region, as generated by the VITLES program, and writes out a corresponding file suitable for use by TECPLOT.
The VITLES home page, http://www.icam.vt.edu/ViTLES/, describes the VITLES fluid flow program.
The TECPLOT home page, http://www.tecplot.com/, describes the TECPLOT graphics program.
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FEM_TO_TEC is a MATLAB program which reads an FEM dataset and writes it as a TEC file.
TEC is a data directory which contains a description and samples of TECPLOT TEC files.
TEC_IO is a MATLAB library which reads or writes a TEC file containing a finite element model.
TEC_TO_FEM is a FORTRAN90 program which reads a TEC file and writes it as the files forming an FEM dataset.
TEC_TO_OBJ is a FORTRAN90 program which can read a TECPLOT file describing a surface in 3D composed of triangles or quadrilaterals, and write an OBJ file.
TEC_TO_UCD is a FORTRAN90 program which reads a TEC file and writes it as an AVS UCD (Unstructure Cell Data) file.
TEC_WRITE is a FORTRAN90 library which writes out certain kinds of TEC files.
VITLES_TO_TEC_2D, a C program which reads a 2D flow file from the VITLES fluid flow program and writes a corresponding file for use by TECPLOT;
VITLES_TO_VTK is a C program which reads VITLES solution files and creates a VTK file suitable for graphics processing by PARAVIEW and other 3D graphics packages.
You can go up one level to the C source codes.