13.1 Convert .fld / .chk files into Paraview or Tecplot format

To convert the Nektar++ output binary files (.chk and .fld) into a format which can be read by two common visualisation softwares: Paraview (.vtu format) or Tecplot (.dat format) the user can run the following commands:

• Paraview (.vtu format)
  FieldConvert test.xml test.fld test.vtu
• Tecplot (.dat format)
  FieldConvert test.xml test.fld test.dat

where FieldConvert is the executable associated to the utility FieldConvert, test.xml is the session file and test.dat, test.vtu are the desired format outputs, either Tecplot or Paraview format respectively.