ParaView Save Data

Save Data in ParaView
Save Data in ParaView

Save Data Options in ParaView for 3-D Volume
Save Data Options in ParaView for 3-D Volume

Save Data Options in ParaView for an Isosurface
Save Data Options in ParaView for an Isosurface

Any data set in ParaView can be saved to a file. When multiple time steps are saved, the user is given the option of saving the current time step, or the series of time steps. When data sets with multiple parts are selected for output, only the ParaView data file format (*.pvd) will be available.

  1. First the user selects the data they wish to save on from the Selection Window. It will be highlighted yellow when this occurs.
  2. The user can then select File->Save Data from the main menu.
  3. Depending on the data selected, different save options will be available. For a volume dataset, the available options are:
    1. ParaView Data Files (*.pvd)
    2. VTK ImageDataFiles (*.vti)
    3. PVTK ImageDataFiles (*.pvti)
    4. Legacy VTK files (*.vtk)
    5. Meta Image Files (*.mhd)
    6. PNG Image Files (*.png)
    7. Xdmf Data File (*.xmf)
  4. For a polygonal model dataset, such as an isosurface, the available options are:
    1. ParaView Data Files (*.pvd)
    2. VTK PolyDataFiles (*.vtp)
    3. PVTK PolyDataFiles (*.pvtp)
    4. Legacy VTK files (*.vtk)
    5. PLY Polygonal File Format (*.ply)
    6. Xdmf Data File (*.xmf)
  5. The user selects where the file needs to be saved, and under what file name, then clicks Save. The data will then be saved to disk.

Notes

  • If you are running ParaView in Distributed mode across multiple data-servers, then each node will write a separate file to the specified location containing the data available on that node. If the selected format supports a master file (Like any of the VTK XML formats), then Node 0 will write that file afterwards.
  • Some filters create Unstructured Grids as output, rather than PolyData. Because of this, the Polygonal Output file types (STL, PLY, etc.) will be disabled. Using the ParaView Extract Surface filter will convert the data into the required type.
  • While ParaView can read in PLY files that contain colors, it cannot output PLY with color. Thus if the user creates and isosurface and colors it by a different variable, ParaView will only output the isosurface in PLY format and will not output the vertex colors.

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