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Convert Paraview files to Obj files for 3d visualisation in game engines

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Vtk2Obj

Convert Paraview .Vtk files to Wavefront .Obj files for 3d visualisation in game engines.

Currently supports only conversion of triangulated meshes which must be only a shell (i.e. not a volumetric mesh).

Will process either single or folders of .vtk files.

Suggested usage - create an isosurface across the mesh and export this as a triangulated mesh in .vtk.

Instruction for ParaView Version 5.0.1

Creation of the geoemtry *.vtk file:

  • Open one paraview file
  • Unselect all fields in Properties
  • Filter - Search - Extract Surface - Enter
  • Be sure that the Extract Surface is selected in the Pipeline Browser
  • Filter - Search - Generate Surface Normals - Enter
  • In Properties: Select "Compute Cell Normals" - Apply
  • Be sure that the Generate Surface Normals is selected in the Pipeline Browser
  • File - Save Data - Files of type : Legacy VTK Files (*.vtk) - Save
  • File type: ASCII - OK

Creation of the *.vtk isosurface files :

  • Open paraview files
  • Select only the field of interest in Properties
  • Filter - Contour
  • In Properties: Select "Compute Scalars" and choose the desired value of the isosurface - Apply
  • Be sure that Contour is selected in the Pipeline Browser
  • Filter - Search - Extract Surface - Enter
  • Be sure that the Extract Surface is selected in the Pipeline Browser
  • Filter - Search - Generate Surface Normals - Enter
  • In Properties: Select "Compute Cell Normals" - Apply
  • Be sure that the Generate Surface Normals is selected in the Pipeline Browser
  • File - Save Data - Files of type : Legacy VTK Files (*.vtk) - Save -Select "Write all timesteps as file-series" - File type: ASCII - OK

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