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  • Package and Task Reference
    • dataio: Data format conversion package (RFITS, etc.)
    • images: General image processing package
      • imcoords: Image coordinates package
      • imfilter: Image filtering package
      • imfit: Image fitting package
      • imgeom: Image geometric transformation package
      • immatch: Image matching and combining package
      • imutil: Image utilities package
        • chpixtype: Change the pixel type of a list of images
        • hedit: Header editor
        • nhedit: Edit image header using a command file
        • hselect: Select a subset of images satisfying a boolean expression
        • imarith: Simple image arithmetic
        • imcopy: Copy an image
        • imdelete: Delete a list of images
        • imdivide: Image division with zero checking and rescaling
        • imexpr: Evaluate a general image expression
        • imfunction: Apply a single argument function to a list of images
        • imgets: Return the value of an image header parameter as a string
        • imheader: Print an image header
        • imhistogram: Compute and plot or print an image histogram
        • imjoin: Join images along a given dimension
        • imrename: Rename one or more images
        • imreplace: Replace a range of pixel values with a constant
        • imslice: Slice images into images of lower dimension
        • imstack: Stack images into a single image of higher dimension
        • imsum: Compute the sum, average, or median of a set of images
        • imtile: Tile same sized 2D images into a 2D mosaic
        • imstatistics: Compute and print statistics for a list of images
        • listpixels: Convert an image section into a list of pixels
        • minmax: Compute the minimum and maximum pixel values in an image
        • sections: Expand an image template on the standard output
      • tv: Image display utilities package
    • language: The command language itself
    • lists: List processing package
    • obsolete: Obsolete tasks
    • noao: The NOAO optical astronomy packages
    • plot: Plot package
    • proto: Prototype or interim tasks
    • softools: Software tools package
    • system: System utilities package
    • utilities: Miscellaneous utilities package
  • External packages
  • SPP Reference Manual
  • CL Programmer’s Manual
  • IRAF Standards and Conventions
  • Standard Nomenclature
  • Site Manager’s Guide
  • IRAF Release Notes
  • Additional IRAF documentation
  • PyRAF tutorial
IRAF
  • Package and Task Reference
  • images: General image processing package
  • imutil: Image utilities package

imutil: Image utilities package

  • chpixtype: Change the pixel type of a list of images
  • hedit: Header editor
  • nhedit: Edit image header using a command file
  • hselect: Select a subset of images satisfying a boolean expression
  • imarith: Simple image arithmetic
  • imcopy: Copy an image
  • imdelete: Delete a list of images
  • imdivide: Image division with zero checking and rescaling
  • imexpr: Evaluate a general image expression
  • imfunction: Apply a single argument function to a list of images
  • imgets: Return the value of an image header parameter as a string
  • imheader: Print an image header
  • imhistogram: Compute and plot or print an image histogram
  • imjoin: Join images along a given dimension
  • imrename: Rename one or more images
  • imreplace: Replace a range of pixel values with a constant
  • imslice: Slice images into images of lower dimension
  • imstack: Stack images into a single image of higher dimension
  • imsum: Compute the sum, average, or median of a set of images
  • imtile: Tile same sized 2D images into a 2D mosaic
  • imstatistics: Compute and print statistics for a list of images
  • listpixels: Convert an image section into a list of pixels
  • minmax: Compute the minimum and maximum pixel values in an image
  • sections: Expand an image template on the standard output
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