hvs_vtk_file_type Derived Type

  type hvs_vtk_file_type
    !> File handle for the vtu file with the data.
    integer :: outunit

    !> Filehandle for the pvtu file for partitioned vtu data.
    integer :: punit

    !> Filehandle for the pvd file for time-series output
    integer :: pvdunit

    !> Basename of the VTK files to write
    character(len=pathLen) :: basename

    !> Name of the last opened file on this process
    !!
    !! If there is a pvtu written by the root process, the root process
    !! will store the name of the pvtu file here. Otherwise it contains
    !! the name of the vtu file.
    character(len=pathLen) :: last_opened_file

    !> Timestamp to construct the filename
    character(len=labelLen) :: timestamp

    !> Format in which the data is present (either 'ascii' or 'binary')
    !! todo: maybe remove this and use binary always?
    character(len=labelLen) :: dataform

    !> Flag to indicate, whether this process has to write the pvtu file.
    logical :: write_pvtu

    !> Indicator, wether celldata has been written to the VTK file.
    !!
    !! If true, the finalization will write a closing celldata tag.
    logical :: has_celldata = .false.

    !> Flag to decided whether to write pvd file or not.
    logical :: write_pvd

    !> number of vortices per Element
    !! depending on CellType
    !! check vtk-manual for more informations
    integer :: vtx_per_Elem = 8

    !> cell type used in VTK file
    !! 11 = voxel
    !!  8 = Pixel
    !!  4 = Poly_line
    !!  3 = Line
    integer :: CellType = 11

  end type hvs_vtk_file_type