---
# Description of the readers and writers available in VTK. Note that for the
# same extension it could be more than one matching reader/writer since the same
# extensions are often used across different formats e.g. '.dat'.
# The description field can hold any text in markdown format.

- extensions: [.xmf, .xdmf, .xmf2, .xdmf2]
  description: "[XDMF](https://www.xdmf.org) (eXtensible Data Model and Format)"
  reader_class: vtkXdmfReader
  writer_class: vtkXdmfWriter
  vtk_module: VTK::IOXdmf2

- extensions: [.xmf, .xdmf, .xmf3, .xdmf3]
  description: "[XDMF](https://www.xdmf.org) (eXtensible Data Model and Format)"
  reader_class: vtkXdmf3Reader
  writer_class: vtkXdmf3Writer
  vtk_module: VTK::IOXdmf3

- extensions: [.step, .iges]
  description: "VTK Reader for STEP and IGES files using OpenCASCADE"
  reader_class: vtkOCCTReader
  writer_class: null
  vtk_module: VTK::IOOCCT

- extensions: [.vpc]
  description: "[VPIC](https://github.com/lanl/vpic)"
  reader_class: vtkVPCIReader
  writer_class: null
  vtk_module: VTK::IOVPIC

- extensions: [.h5]
  description: "[VERAout-tools](https://github.com/palmtag/VERAout-tools)"
  reader_class: vtkVeraOutReader
  writer_class: null
  vtk_module: VTK::IOVeraOut

- extensions: [.hdf5, .h5]
  description: "GE TRUCHAS format"
  reader_class: vtkTRUCHASReader
  writer_class: null
  vtk_module: VTK::IOTRUCHAS

- extensions: [.dat, .DAT]
  description: "Tabulat data in Tecplot ascii format"
  reader_class: vtkTecplotTableReader
  writer_class: null
  vtk_module: VTK::IOTecplotTable

- extensions: [.sgy, .segy]
  description: "[SEG-Y](https://en.wikipedia.org/wiki/SEG-Y)"
  reader_class: vtkSegYReader
  writer_class: null
  vtk_module: VTK::IOSegY

- extensions: [.ply]
  description: "Stanford University PLY format"
  reader_class: vtkPLYReader
  writer_class: vtkPLYWriter
  vtk_module: VTK::IOPLY

- extensions: [.pio]
  description: "PIO (Parallel Input Output) data files"
  reader_class: vtkPIOReader
  writer_class: null
  vtk_module: VTK::IOPIO

- extensions: [.bin, .bpf, .csd, .csv, .greyhound, .gpkg, .icebride, .las, .laz, .mat, .nitf, .nsf, .ntf, .pcd, .ply, .pts, .qi, .rxp, .sbet, .sqlite, .sid, .tindex, .txt, .h5]
  description: "LIDAR data using [PDAL](https://pdal.io/en/latest/stages/readers.html)"
  reader_class: vtkPDALReader
  writer_class: null
  vtk_module: VTK::IOPDAL

- extensions: [.vdb]
  description: "[OpenVDB](https://www.openvdb.org/)"
  reader_class: vtkOpenVDBReader
  writer_class: vtkOpenVDBWriter
  vtk_module: VTK::IOOpenVDB

- extensions: [.omf]
  description: "[OMF](https://omf.readthedocs.io/en/stable/index.html)"
  reader_class: vtkOMRReader
  writer_class: null
  vtk_module: VTK::IOOMF

- extensions: [.ogv]
  description: "[OggTheora](https://www.theora.org/)"
  reader_class: null
  writer_class: vtkOggTheoraWriter
  vtk_module: VTK::IOOggTheora

- extensions: [.nc, .ncdf]
  description: "[NetCDF UGRID file](https://ugrid-conventions.github.io/ugrid-conventions)"
  reader_class: vtkNetCDFUGRIDReader
  writer_class: null
  vtk_module: VTK::IONetCDF

- extensions: [.ncdf, .netcdf]
  description: "Particle data file used at [SLAC](https://ugrid-conventions.github.io/ugrid-conventions)"
  reader_class: vtkSLACParticleReader
  writer_class: null
  vtk_module: VTK::IONetCDF

- extensions: [.nc, .ncdf]
  description: "CAM NetCDF (Unstructured)"
  reader_class: vtkNetCDFCAMReader
  writer_class: null
  vtk_module: VTK::IONetCDF

- extensions: [.pop.ncdf .pop.nc]
  description: "POP Ocean NetCDF (Rectilinear)"
  reader_class: vtkNetCDFPOPReader
  writer_class: null
  vtk_module: VTK::IONetCDF

- extensions: [.nc, .ncdf]
  description: "netCDF files generic and CF conventions"
  reader_class: vtkNetCDFReader
  writer_class: vtkNetCDFCFWriter
  vtk_module: VTK::IONetCDF

- extensions: [.nc, .ncdf]
  description: "UGRID NetCDF (Unstructured)"
  reader_class: vtkNetCDFUGRIDReader
  writer_class: null
  vtk_module: VTK::IONetCDF

- extensions: [.nc, .ncdf]
  description: "MPAS NetCDF (Unstructured)"
  reader_class: vtkMPASReader
  writer_class: null
  vtk_module: VTK::IONetCDF

- extensions: [.nc, .ncdf]
  description: "[SLAC](https://www6.slac.stanford.edu) Data Reader"
  reader_class: vtkSLACReader
  writer_class: null
  vtk_module: VTK::IONetCDF

- extensions: [.mp4]
  description: "H.264-encoded MP4 files (Windows only)"
  reader_class: null
  writer_class: vtkMP4Writer
  vtk_module: VTK::IOMovie

- extensions: [.avi]
  description: "AVI video files (Windows only)"
  reader_class: null
  writer_class: vtkAVIWriter
  vtk_module: VTK::IOMovie

- extensions: [.cfg]
  description: "MotionFX motion definitions cfg files"
  reader_class: vtkMotionFXCFGReader
  writer_class: null
  vtk_module: VTK::IOMotionFX

- extensions: [.mnc]
  description: "NetCDF-based medical image developed at [BIC"
  reader_class: vtkMINCImageReader
  writer_class: vtkMINCImageWriter
  vtk_module: VTK::IOMINC

- extensions: [.obj]
  description: "[MNI](https://github.com/BIC-MNI) surface mesh files"
  reader_class: vtkMNIObjectReader
  writer_class: vtkMNIObjectWriter
  vtk_module: VTK::IOMINC

- extensions: [.tag]
  description: "[MNI](https://github.com/BIC-MNI) tag files"
  reader_class: vtkMNITagPointReader
  writer_class: vtkMNITagPointWriter
  vtk_module: VTK::IOMINC

- extensions: [.xfm]
  description: "[MNI](https://github.com/BIC-MNI) transformation files"
  reader_class: vtkMNITransformReader
  writer_class: vtkMNITransformWriter
  vtk_module: VTK::IOMINC

- extensions: [.d3plot]
  description: "[LS-Dyna](https://www.oasys-software.com/dyna/) databases"
  reader_class: vtkLSDynaReader
  writer_class: null
  vtk_module: VTK::IOLSDyna

- extensions: [.las]
  description: "LIDAR data in LAS format"
  reader_class: vtkLASReader
  writer_class: null
  vtk_module: VTK::IOLAS

- extensions:
    [.g .e .h .gc .ex2 .ex2v2 .exo .gen .par .exoII .exii .ex-timeseries .cgns]
  description: "IOSS (Sierra IO System), writer supports only Exodus files"
  reader_class: vtkIOSSReader
  writer_class: vtkIOSSWriter
  vtk_module: VTK::IOIOSS

- extensions: [.exdg]
  description: "IOSS (Sierra IO System) files as cell-grids"
  reader_class: vtkIOSSCellGridReader
  writer_class: null
  vtk_module: VTK::IOIOSS

- extensions: [.bmp]
  description: "Windows BMP file"
  reader_class: vtkBMPReader
  writer_class: vtkBMPWriter
  vtk_module: VTK::IOImage

- extensions: [.dem]
  description: "Digital Elevation Map File"
  reader_class: vtkDEMReader
  writer_class: null
  vtk_module: VTK::IOImage

- extensions: [.dcm]
  description: "DICOM medical images"
  reader_class: vtkDICOMImageReader
  writer_class: null
  vtk_module: VTK::IOImage

- extensions: [.ximg]
  description: "GE Signa ximg files"
  reader_class: vtkGESignaReader
  writer_class: null
  vtk_module: VTK::IOImage

- extensions: [.hdr]
  description: "Radiance HDR file"
  reader_class: vtkHDRReader
  writer_class: null
  vtk_module: VTK::IOImage

- extensions: [.jpg, .jpeg]
  description: "JPEG Files"
  reader_class: vtkJPEGReader
  writer_class: vtkJPEGWriter
  vtk_module: VTK::IOImage

- extensions: [.mrc, .ali, .st, .rec]
  description: "[MRC](http://bio3d.colorado.edu/imod/doc/mrc_format.txt) Image Files"
  reader_class: vtkMRCReader
  writer_class: null
  vtk_module: VTK::IOImage

- extensions: [.nii, .img, .hdr]
  description: "NIfTI-1 and NIfTI-2 medical [image](https://nifti.nimh.nih.gov/) files"
  reader_class: vtkNIFTIImageReader
  writer_class: vtkNIFTIImageWriter
  vtk_module: VTK::IOImage

- extensions: [.nrrd, .nhdr]
  description: "Nrrd Raw Image Files"
  reader_class: vtkNrrdReader
  writer_class: null
  vtk_module: VTK::IOImage

- extensions: [.ome.tif, .ome.tiff]
  description: "[OME](https://docs.openmicroscopy.org/ome-model/5.6.3/ome-tiff/specification.html#ome-tiff-specification) TIFF files"
  reader_class: vtkOMETIFFReader
  writer_class: null
  vtk_module: VTK::IOImage

- extensions: [.png]
  description: "PNG file"
  reader_class: vtkPNGReader
  writer_class: vtkPNGWriter
  vtk_module: VTK::IOImage

- extensions: [.pnm, .pgm, .ppm]
  description: "pnm (i.e., portable anymap) file"
  reader_class: vtkPNMReader
  writer_class: vtkPNMWriter
  vtk_module: VTK::IOImage

- extensions: [.ps]
  description: "PostScript file"
  reader_class: null
  writer_class: vtkPostScriptWriter
  vtk_module: VTK::IOImage

- extensions: [.H]
  description: "Stanford Exploration Project files reader"
  reader_class: vtkSEPReader
  writer_class: null
  vtk_module: VTK::IOImage

- extensions: [.slc]
  description: "SLC volume file"
  reader_class: vtkSLCReader
  writer_class: null
  vtk_module: VTK::IOImage

- extensions: [.tga]
  description: "[Targa](https://en.wikipedia.org/wiki/Truevision_TGA) files"
  reader_class: vtkTGAReader
  writer_class: null
  vtk_module: VTK::IOImage

- extensions: [.tif, .tiff]
  description: "Tiff image format"
  reader_class: vtkTIFFReader
  writer_class: vtkTIFFWriter
  vtk_module: VTK::IOImage

- extensions: [.mhd, .mha]
  description: "binary UNC meta image data"
  reader_class: vtkMetaImageReader
  writer_class: vtkMetaImageWriter
  vtk_module: VTK::IOImage

- extensions: [.h5rage]
  description: "hdf files generated from xRage, a LANL physics code"
  reader_class: vtkH5RageReader
  writer_class: null
  vtk_module: VTK::IOH5Rage

- extensions: [.h5part]
  description: "H5Part particle files"
  reader_class: vtkH5PartReader
  writer_class: null
  vtk_module: VTK::IOH5Part

- extensions: [.inp]
  description: "AVS UCD Binary/ASCII Files"
  reader_class: vtkAVSucdReader
  writer_class: null
  vtk_module: VTK::IOGeometry

- extensions: [.g]
  description: "Movie.BYU files"
  reader_class: vtkBYUReader
  writer_class: vtkBYUWriter
  vtk_module: VTK::IOGeometry

- extensions: [.cgm]
  description: "Computer Graphics Metafile"
  reader_class: null
  writer_class: vtkCGMWriter
  vtk_module: VTK::IOGeometry

- extensions: [.graph, .coords]
  description: "Chaco graph partitioning output files"
  reader_class: vtkChacoReader
  writer_class: null
  vtk_module: VTK::IOGeometry

- extensions: [.dat.h5, .cas.h5]
  description: "FLUENT CFF format"
  reader_class: vtkFLUENTCFFReader
  writer_class: null
  vtk_module: VTK::IOFLUENTCFF

- extensions: [.cas, .dat]
  description: "FLUENT native format"
  reader_class: vtkFLUENTReader
  writer_class: null
  vtk_module: VTK::IOGeometry

- extensions: [.neu]
  description: "GAMBIT GAMBIT ASCII format"
  reader_class: vtkGAMBITReader
  writer_class: null
  vtk_module: VTK::IOGeometry

- extensions: [.h5]
  description: "[CONVERGE CFD](https://convergecfd.com) format"
  reader_class: vtkCONVERGECFDReader
  writer_class: null
  vtk_module: VTK::IOCONVERGECFD

- extensions: [.cgns]
  description: "[CONVERGE CFD](https://convergecfd.com) CGNS format"
  reader_class: vtkCONVERGECFDCGNSReader
  writer_class: null
  vtk_module: VTK::IOCGNSReader

- extensions: [.cgns]
  description: "[CGNS](https://cgns.github.io/cgns-modern.github.io/index.html) format"
  reader_class: vtkCGNSReader
  writer_class: null
  vtk_module: VTK::IOCGNSReader

- extensions: [.abc]
  description: "[Alembic](http://www.alembic.io/) scene format"
  reader_class: null
  writer_class: vtkAlembicExporter
  vtk_module: VTK::IOAlembic