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SGI graphics Frequently Asked Questions (FAQ)
Section - -46- How can I convert images to and from other formats?

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  IRIX comes with several tools which convert images to or from SGI's
  RGB format.  The executables are part of the eoe2.sw.imagetools
  subsystem, and include:

  fromalias - convert an Alias image to an IRIS image
  frombin - create an RGB IRIS image file from a binary dump of image data
  fromcmap - convert a color map into an image with one scanline
  fromcube - convert a Cubicomp/Vertigo image file to IRIS format
  fromdi - convert an old .di dithered image into an IRIS image
  fromface - convert a UNIX faceserver image into an IRIS image
  fromgif - convert a GIF image into an IRIS image
  frommac - convert a MacPaint image into an IRIS image
  frompic - convert a MOVIE BYU .PIC image to an IRIS image
  fromppm - convert an image in Jef Poskanzer's format into an IRIS image
  fromrla - convert a Wavefront image to an IRIS image
  fromsun - convert a sun image into an IRIS image
  fromtarga - convert a targa image into an IRIS image
  fromxbm - convert an X Bitmap image into an IRIS image
  fromxud - convert an xwd file into an IRIS image
  fromxwd - convert an xwd file into an IRIS image
  fromyuv - convert an Abekas yuv image into an IRIS image
  toalias - convert an IRIS image to an Alias image
  toascii - convert an IRIS image to text characters
  tobin - convert an IRIS image to binary dump of pixel data
  tobw - convert an IRIS image to black and white
  togif - convert an IRIS image to a Compuserve GIF image
  tomac - convert an IRIS image to MacPaint format
  tonews - convert an IRIS image into NeWS format
  topict - convert an IRIS image to Macintosh PICT format
  toppm - convert an IRIS image file into Jef Poskanzer's ppm image format
  tops - convert an IRIS image to PostScript
  toscitex - Convert IRIS images into Scitex CT2T images
  tosun - convert an IRIS image to a sun raster file
  totarga - convert an IRIS image to a type 2 targa image
  toyuv - convert an IRIS image to yuv format

  The source for each of these tools is in the 4Dgifts
  dev.dev_sw.giftsfull subsystem and installed in the directory
  /usr/people/4Dgifts/iristools/imgtools.  Each also has a manpage.

  Similar tools for more formats ('fromeps', 'frompict', 'frompixar',
  'fromps', 'fromtiff', 'fromutah', 'totiff', 'toutah', 'toxbm' and
  'toxpm' at last count), as well as some which come with IRIX and a few
  miscellaneous cool image editing tools, are in
  ftp://ftp.sgi.com/graphics/bin/. 'fromjpeg' and 'tojpeg' can be found
  in ftp://ftp.clr.toronto.edu/pub/sgi/sgijpeg/.
  ftp://swedishchef.lerc.nasa.gov/ has 'fromvicar' in
  /image/conversion/from/, 'tocolps' and 'topcl' in
  /image/conversion/to/ and many other image-related tools in nearby
  directories.

  The Independent JPEG Group's free JPEG software (in
  ftp://ftp.uu.net/graphics/jpeg/) and ghostscript (in
  ftp://ftp.cs.wisc.edu/ghost/) don't speak RGB, but do convert many
  common formats to and from JPEG and PostScript respectively. Note
  that older versions ghostscript understand GIF images but newer
  ones do not due to copyright restrictions.

  Finally, 'imgworks' (in the imgtools.sw.tools subsystem) understands
  RGB, TIFF and FIT formats, and there are several freeware programs
  which work on SGIs and understand SGI's RGB format as well as many
  other formats:

  imtools	ftp://ftp.sdsc.edu/pub/sdsc/graphics/imtools/sgi_4d/
  xv		ftp://ftp.cis.upenn.edu/pub/xv/
  ImageMagick	ftp://ftp.x.org/contrib/applications/ImageMagick/
  netpbm	ftp://wuarchive.wustl.edu/graphics/graphics/packages/NetPBM/

  The Graphics File Formats FAQ (in
  ftp://rtfm.mit.edu/pub/usenet/news.answers/graphics/fileformats-faq/)
  lists many other graphics file viewing and conversion programs.

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Top Document: SGI graphics Frequently Asked Questions (FAQ)
Previous Document: -45- IMAGE FILES
Next Document: -47- How can I convert models to and from other formats?

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Last Update March 27 2014 @ 02:12 PM