Data files

I have collected a few sample files of various file formats I've worked with.

Data file directories include:

  1. 3ds, a data directory of examples of 3ds files, a 3D graphics file format used by 3D Studio;
  2. amiramesh, a data directory of examples of AmiraMesh files, the general purpose file format for Amira;
  3. ase, a data directory of examples of ASE files, the 3D Studio ASCII Exchange format for 3D graphics;
  4. avi, a data directory of examples of AVI files, a file format for 2D animations;
  5. bezier_surface, a data directory of examples of bezier_surface files, a simple format comprising two files, suitable for storing the definition of a Bezier surface used in 3D graphics;
  6. bmp, a data directory of examples of BMP files, a Microsoft Bitmap file format for 2D graphics;
  7. byu, a data directory of examples of BYU files, the Movie-BYU geometry file for 3D graphics;
  8. cgmb, a data directory of examples of CGM files, Computer Graphics Metafile format for 2D graphics;
  9. cnf, a data directory of examples of CNF files, the DIMACS CNF file format, used to define examples for the "satisfiability" problem in conjunctive normal form;
  10. csv, a data directory which contains examples of CSV files, a flat file format of "Comma Separated Values".
  11. dlap, a data directory of examples of DLAP files, a sparse matrix file format used by DLAP;
  12. dsp, a data directory of examples of DSP files, a sparse matrix file format, storing just (I,J,A(I,J)), and using one-based indexing.
  13. dxf, a data directory of examples of DXF files, used for 3D graphics;
  14. eps, a data directory of examples of EPS files, Encapsulated PostScript file format for 2D graphics;
  15. fem, a data directory of examples of FEM files, a set of three text files that can be used to describe many finite element models;
  16. fig, a data directory of examples of FIG files, a 2D graphics file format used by the XFIG program;
  17. fit, a data directory of examples of FIT files, a 2D graphics file format;
  18. gif, a data directory of examples of GIF files, a 2D graphics file format;
  19. gmod, a data directory of examples of GMOD files, a 3D graphics file format used in some games.
  20. grf, a data directory of examples of GRF files, an abstract graph file format, 2D graphics;
  21. hb, a data directory of examples of HB files, the Harwell Boeing sparse matrix file format;
  22. hdf, a data directory of examples of HDF files, a general scientific data file format;
  23. hdf4, a data directory of examples of HDF version 4.0 files, a general scientific data file format;
  24. hdf5, a data directory of examples of version 5.0 HDF files, a general scientific data file format;
  25. hex_mesh, a data directory of examples of HEX_MESH files, a mesh of hexagons in 2D.
  26. hrc, a data directory of examples of HRC files, a SoftImage format, 3D graphics;
  27. iges, a data directory of examples of IGES files, a neutral file format for 3D graphics data exchange.
  28. iv, a data directory of examples of IV files, the SGI Inventor format for 3D graphics;
  29. jpg, a data directory of examples of JPG or JPEG files, a file format for high quality 2D graphics;
  30. metis_graph, a data directory of examples of METIS GRAPH files, the format for graphs to be read by METIS, which can partition a graph;
  31. metis_mesh, a data directory of examples of METIS MESH files, the format for finite element meshes to be read by METIS, which can partition the elements of such a mesh;
  32. mm, a data directory of examples of MM files, the Matrix Market Sparse Matrix File Format;
  33. mov, a data directory of examples of MOV files, the Quicktime "movie" file format for 2D animation;
  34. mp4, a data directory of examples of MP4 files, the MPEG-4 movie file format for 2D animation;
  35. mpg, a data directory of examples of MPEG files, the MPEG movie file format for 2D animation;
  36. mtl, a data directory of examples of MTL files, a format used to store material definitions that may be accessed by a Wavefront OBJ file, 3D graphics;
  37. mtv, a data directory of examples of MTV files, a format used to define graphics to be displayed by the plotmtv program;
  38. obj, a data directory of examples of OBJ files, a Wavefront file format for 3D graphics;
  39. off, a data directory of examples of OFF files, a Geomview file format for 3D graphics;
  40. oogl, a data directory of examples of OOGL files, a Geomview file format;
  41. pam, a data directory of examples of PAM graphics files;
  42. pbma, a data directory of examples of PBMA files, ASCII Portable Bit Map 2D graphics, black and white;
  43. pbmb, a data directory of examples of PBMB files, binary Portable Bit Map 2D graphics, black and white;
  44. pcx, a data directory of examples of PCX files, an image format originated by PC Paintbrush;
  45. pdb, a data directory of examples of PDB files, a file format used by the Protein Database;
  46. pdf, a data directory of examples of PDF files, the Portable Document Format, 2D text and graphics;
  47. pgma, a data directory of examples of PGMA files, ASCII Portable Gray Map, 2D graphics;
  48. pgmb, a data directory of examples of PGMB files, binary Portable Gray Map, 2D graphics;
  49. plot3d, a data directory of examples of PLOT3D files, a variety of formats used by the PLOT3D program;
  50. ply, a data directory of examples of PLY files, a format for objects defined as a collection of polygons, 3D graphics;
  51. png, a data directory of examples of PNG files, Portable Network Graphics, 2D graphics;
  52. pnm, a data directory of examples of PNM files, Portable AnyMap (PBMA or PBMB or PGMA or PGMB or PPMA or PPMB), 2D graphics;
  53. poly, a data directory of examples of POLY files, a 2D format used by TRIANGLE for Planar Straight Line Graphs;
  54. polygonal_surface, a data directory of examples of POLYGONAL SURFACE files, a simple file format comprising two files, suitable for storing the definition of a surface that is made up of a set of polygons of a fixed order, 3D graphics;
  55. pov, a data directory of examples of POV files, Persistence of Vision format, 3D graphics;
  56. ppma, a data directory of examples of PPMA files, Portable Pixel Map (ASCII) 2D graphics, color;
  57. ppmb, a data directory of examples of PPMB files, Portable Pixel Map (binary) 2D graphics, color;
  58. ps, a data directory of examples of PS files, PostScript files, 2D graphics;
  59. quad_mesh, a data directory of examples of QUAD_MESH files, a quadrilateral mesh in 2D.
  60. quad_surface, a data directory of examples of QUAD_SURFACE files, a quadrilateral mesh in 3D, used to define a surface.
  61. rgb, a data directory of examples of RGB files, an SGI RGB file format, 2D graphics;
  62. smf, a data directory of examples of SMF files, Michael Garland's format for QSLIM, 3D graphics;
  63. sparse_cc, a data directory of examples of SPARSE CC files, a three-file format for the sparse compressed column matrix format;
  64. sparse_cr, a data directory of examples of SPARSE CR files, a three-file format for the sparse compressed row matrix format;
  65. st, a data directory of examples of ST files, the Sparse Triplet format, a sparse matrix file format, storing just (I,J,A(I,J)), and using zero-based indexing.
  66. stla, a data directory of examples of "STLA" or ASCII STL files, ASCII Stereolithography files, 3D graphics;
  67. stlb, a data directory of examples of "STLB" or binary STL files, binary Stereolithography files, 3D graphics;
  68. svg, a data directory of examples of SVG files, Scalable Vector Graphics, 2D graphics, that can be included in an HTML file;
  69. table, a data directory of examples of TABLE files, a simple format for N points in M dimensions;
  70. tec, a data directory of examples of TEC files, Tecplot files used for storing 2D or 3D graphics with attributes;
  71. tet_mesh_order4, a data directory of examples of TET_MESH_ORDER4 files, description of a linear tet mesh of a set of 3D points, using a pair of files to list the node coordinates and the 4 nodes that make up each tetrahedron;
  72. tet_mesh_order10, a data directory of examples of TET_MESH_ORDER_10 files, description of a quadratic tet mesh of a set of 3D points, using a pair of files to list the node coordinates and the 10 nodes that make up each tetrahedron;
  73. tet_mesh_tet_neighbors, a data directory of examples of TET_MESH_TET_NEIGHBOR files, description of a format for tetrahedron adjacency information in a tetrahedral mesh of 3D points;
  74. tga, a data directory of examples of TGA or TARGA files, Targa files;
  75. tif, a data directory of examples of TIFF files, "Tagged Image File Format", used for high quality 2D graphics;
  76. tri_surface, a data directory of examples of TRI_SURFACE files, a 3D surface defined by a collection of triangles.
  77. tria, a data directory of examples of TRIA files, a homegrown triangulation format, ASCII, 3D graphics;
  78. triangulation_order3, a data directory of examples of TRIANGULATION_ORDER3 files, description of a linear triangulation of a set of 2D points, using a pair of files to list the node coordinates and the 3 nodes that make up each triangle;
  79. triangulation_order4, a data directory of examples of TRIANGULATION_ORDER4 files, description of a triangulation of a set of 2D points, using a pair of files to list the node coordinates and the 4 nodes that define each triangle (3 vertices and the centroid);
  80. triangulation_order6, a data directory of examples of TRIANGULATION_ORDER6 files, a description of a quadratic triangulation of a set of 2D points, using a pair of files to list the node coordinates and the 6 nodes that make up each triangle; Six-node triangles are used when a higher degree approximation is desired; they may also be used as isoparametric elements that model curved boundaries;
  81. trib, a data directory of examples of TRIB files, a homegrown triangulation format, binary, 3D graphics;
  82. ts, a data directory of examples of TS files, the Mathematica ThreeScript format, used at one time for 3D graphics;
  83. txt, a data directory of examples of TXT files, that is, plain old text files;
  84. ucd, a data directory of examples of UCD files, the AVS cell array format used for 3D graphics;
  85. vla a data directory of examples of VLA files, a 3D graphics line format;
  86. vtk, a data directory of examples of "legacy" (old style) VTK files, a file format used by the Visual Toolkit;
  87. vtu, a data directory of examples of XML-based VTU files, a file format used by the Visual Toolkit for unstructured grid data;
  88. vu, a data directory of examples of VU files, a file format used by the VU program;
  89. wav, a data directory of examples of WAV files, a Microsoft format for storing audio data;
  90. wrl_1, a data directory of examples of version 1 WRL files, sometimes called "VRML" files, a format for creating 3D graphics within an HTML environment;
  91. wrl_2, a data directory of examples of version 2 WRL files, sometimes called "VRML" files, a format for creating 3D graphics within an HTML environment;
  92. x3d, a data directory of examples of X3D files, a format for creating 3D graphics within an HTML environment; X3D is the successor to the VRML/WRL file format.
  93. xbm, a data directory of examples of XBM files, the X Windows bitmap format, a 2D graphics black and white format for icons;
  94. xgl, a data directory of examples of XGL files, a 3D graphics file format;
  95. xpm, a data directory of examples of XPM files, the X Windows pixel map file format, for 2D color graphics;
  96. xwd, a data directory of examples of XWD files, the X Windows dump format, a format for storing screen images;
  97. xy, a data directory of examples of XY files, a simple 2D graphics point format;
  98. xyf, a data directory of examples of XYF files, a simple 2D graphics point and face format;
  99. xyl, a data directory of examples of XYL files, a simple 2D graphics point and line format;
  100. xyz, a data directory of examples of XYZ files, a simple 3D graphics point format;
  101. xyzf, a data directory of examples of XYZF files, a simple 3D graphics point and face format;
  102. xyzl, a data directory of examples of XYZL files, a simple 3D graphics point and line format;

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Last revised on 01 May 2009.