{
 "id": "silicon-graphics-image",
 "name": "Silicon Graphics Image",
 "category": "image",
 "identifiers": {
  "extensions": [
   "sgi",
   "bw",
   "rgb",
   "rgba"
  ],
  "mime": [
   "image/x-sgi-bw",
   "image/sgi",
   "image/x-rgb",
   "image/x-sgi",
   "image/x-sgi-rgb"
  ],
  "puid": [
   "x-fmt/140"
  ],
  "wikidata": [
   "Q7514956"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "01da",
    "notes": "File Formats Wiki"
   }
  ],
  "signatures": [
   {
    "name": "Silicon Graphics Image",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "01da(00|01)(01|02)00(01|02|03){4}00(01|03|04){80}00(00|01|02|03){368}0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
     }
    ]
   }
  ]
 },
 "status": "writable",
 "summary": "Silicon Graphics Image (SGI) or the RGB file format is the native raster graphics file format for Silicon Graphics workstations",
 "tools": [
  {
   "name": "ImageMagick",
   "url": "https://imagemagick.org",
   "license": "ImageMagick License",
   "open_source": true,
   "reads": true,
   "writes": true
  },
  {
   "name": "ABViewer",
   "url": "https://cadsofttools.com/products/abviewer/",
   "reads": true,
   "writes": false
  },
  {
   "name": "ACD FotoCanvas Lite",
   "url": "https://www.wikidata.org/wiki/Q116994901",
   "reads": true,
   "writes": true
  },
  {
   "name": "ACDSee 5",
   "url": "https://www.wikidata.org/wiki/Q116957642",
   "reads": true,
   "writes": true
  },
  {
   "name": "Adobe After Effects",
   "url": "https://www.adobe.com/products/aftereffects",
   "reads": true,
   "writes": false,
   "license": "proprietary license"
  },
  {
   "name": "Adobe After Effects 5.0",
   "url": "https://www.wikidata.org/wiki/Q114297580",
   "reads": true,
   "writes": false
  },
  {
   "name": "Adobe After Effects 5.5",
   "url": "https://www.wikidata.org/wiki/Q120077004",
   "reads": true,
   "writes": false
  },
  {
   "name": "Axialis IconWorkshop",
   "url": "http://www.axialis.com/iconworkshop/",
   "reads": true,
   "writes": false
  },
  {
   "name": "Converseen",
   "url": "https://converseen.fasterland.net/",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 3.0",
   "open_source": true
  },
  {
   "name": "DevIL",
   "url": "http://openil.sourceforge.net/",
   "reads": true,
   "writes": true,
   "license": "GNU Lesser General Public License, version 2.1",
   "open_source": true
  },
  {
   "name": "Form-Z",
   "url": "http://www.formz.com",
   "reads": true,
   "writes": false
  },
  {
   "name": "GIMP",
   "url": "https://gimp.org",
   "reads": true,
   "writes": true,
   "license": "GNU General Public License, version 3.0",
   "open_source": true
  },
  {
   "name": "GIMP 2.0.2",
   "url": "https://www.wikidata.org/wiki/Q64739349",
   "reads": true,
   "writes": true
  },
  {
   "name": "Hijaak Digital Photo Studio",
   "url": "https://www.wikidata.org/wiki/Q117814372",
   "reads": true,
   "writes": true
  },
  {
   "name": "Image Alchemy",
   "url": "https://www.wikidata.org/wiki/Q28205547",
   "reads": true,
   "writes": false
  },
  {
   "name": "imageio",
   "url": "http://imageio.github.io/",
   "reads": true,
   "writes": false,
   "license": "2-clause BSD License",
   "open_source": true
  },
  {
   "name": "IrfanView",
   "url": "https://www.irfanview.com/",
   "reads": true,
   "writes": false,
   "license": "freeware"
  },
  {
   "name": "MediaRich Server",
   "url": "https://equilibrium.com/mediarichserver/",
   "reads": true,
   "writes": false
  },
  {
   "name": "OpenImageIO",
   "url": "http://www.openimageio.org",
   "reads": true,
   "writes": false,
   "license": "BSD licenses",
   "open_source": true
  },
  {
   "name": "PaintShop Photo Pro X3",
   "url": "https://www.wikidata.org/wiki/Q122675173",
   "reads": true,
   "writes": false
  },
  {
   "name": "PhotoEdit2",
   "url": "https://www.wikidata.org/wiki/Q122292835",
   "reads": false,
   "writes": true
  },
  {
   "name": "PhotoModeler",
   "url": "http://www.photomodeler.com",
   "reads": true,
   "writes": false,
   "license": "proprietary license"
  },
  {
   "name": "PowerCADD",
   "url": "http://www.engsw.com/products",
   "reads": true,
   "writes": true
  }
 ],
 "projects": [
  {
   "name": "File Formats Wiki",
   "url": "http://fileformats.archiveteam.org/wiki/SGI_(image_file_format)",
   "kind": "wiki"
  },
  {
   "name": "PRONOM x-fmt/140",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/x-fmt/140",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q7514956",
   "url": "https://www.wikidata.org/wiki/Q7514956",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "converters",
   "ffw",
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-24",
 "conversions": [
  {
   "to": "portable-network-graphics",
   "tool": "ImageMagick",
   "command": "convert in.rgb out.png",
   "fidelity": "lossless",
   "losses": "Pixels kept; some metadata, colour profiles or layers may be dropped.",
   "url": "https://imagemagick.org"
  },
  {
   "to": "tagged-image-file-format",
   "tool": "ImageMagick",
   "command": "convert in.rgb out.tif",
   "fidelity": "lossless",
   "losses": "Pixels kept; some metadata, colour profiles or layers may be dropped.",
   "url": "https://imagemagick.org"
  },
  {
   "to": "jpeg-file-interchange-format-1-02",
   "tool": "ImageMagick",
   "command": "convert in.rgb out.jpg",
   "fidelity": "lossy",
   "losses": "Lossy compression.",
   "url": "https://imagemagick.org"
  },
  {
   "to": "webp",
   "tool": "ImageMagick",
   "command": "convert in.rgb out.webp",
   "fidelity": "lossy",
   "losses": "Lossy compression.",
   "url": "https://imagemagick.org"
  },
  {
   "to": "gif",
   "tool": "ImageMagick",
   "command": "convert in.rgb out.gif",
   "fidelity": "lossy",
   "losses": "Reduced to 256 colours.",
   "url": "https://imagemagick.org"
  }
 ],
 "aliases": [],
 "structure": [],
 "parsers": [],
 "samples": [],
 "claims": [],
 "verification": []
}