I

Task Index

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i2gaussfit -- Iterative 2-d Gaussian fit to noisy images (script).
i2sun -- Convert IRAF images to Sun rasterfiles
icntr -- Create center coordinate file
identify -- Identify arc lines and determine a dispersion function
igi -- Interactive Graphics Interpreter.
illumination -- Determine illumination calibration
ils -- Iterative Least Squares image restoration.
im2gki -- Send an image to a IRAF GIO graphics device.
im3dtran -- 3d image transpose (used for rotates as well)
imagfe -- Register using common features of image data.
imagree -- Change header keywords to agree with the image name.
imalign -- Align and register 2-D images using a reference pixel list
imarith -- Simple image arithmetic
imcalc -- Perform general arithmetic operations on images.
imcctran -- Transform image header from one celestial wcs to another
imcentroid -- Compute and print relative shifts for a list of 2-D images
imcntr -- Locate the center of a stellar image
imcnts -- count photons (with bkgd subtraction) in regions
imcombine -- Combine images pixel-by-pixel using various algorithms
imcompress -- Compress an IRAF image by pixel summation
imcontour -- display a contour map of an image using wcs
imcopy -- Copy an image
imcreate -- Create an image from a binary file or a constant value
imdelete -- Delete a list of images
imdetect -- determine rough positions of sources in the field
imdisp -- display pixel values in regions
imdisp_pos -- Determine image location in image display.
imdivide -- Image division with zero checking and rescaling
imdkern -- Image display device (IMD) graphics kernel
imedit -- Examine and edit pixels in images
imexamine -- Examine images using image display, graphics, and text
imexpr -- Evaluate a general image expression
imextensions -- Make a list of image extensions
imextract -- Extract a list of image sections from an image
imextreme -- Locates the maximum and minimum pixels in an image.
imfill -- Set fill value in image according to a mask.
imfunction -- Apply a single argument function to a list of images
imgets -- Return the value of an image header parameter as a string
imgscale -- Calibrate aperture plate scale (location phase II).
imheader -- Print an image header
imhistogram -- Compute and plot or print an image histogram
iminfo -- Print an instrument-specific header for a list of GEIS images or a general header for a list of IRAF images.
iminsert -- Insert an image into another by either adding, replacing, or multiplying pixel values.
imjoin -- N-dimensional image join along arbitrary axis
imkeyname -- Rename an image using a name from a header keyword.
imlintran -- Linearly transform a list of 2-D images
immean -- Compute mean of an image and save value as task parameter.
immodel -- create a model array from a source list
imnode -- Remove node information from a IRAF image pixfile pathname
impars -- Edit the image data dependent parameters
implot -- Plot lines and columns of images using cursors
import -- Convert some other format to an IRAF image
improj -- perform rectangular projections on an image
improject -- Project image along one axis decreasing the number of dimensions by one.
imrename -- Rename one or more images
imreplace -- Replace a range of pixel values with a constant
imreplicate -- Expand an IRAF image by pixel replication
imscale -- Scale an image to a specified (windowed) mean
imshift -- Shift a list of 1-D or 2-D images
imslice -- Slice images into images of lower dimension
imsmooth -- smooth an image
imsort -- Sort images by header parameter values
imspace -- Determine disk space used by IRAF images
imspec -- Convert an image to a synphot spectrum or vice versa.
imstack -- Stack images into a single image of higher dimension
imstatistics -- Compute and print statistics for a list of images
imsum -- Compute the sum, average, or median of a set of images
imsurfit -- Fit a surface to a 2-D image
imtab -- Copy an image to a table column.
imtest -- Image headers and pixel files test
imtile -- Tile same sized 2D images into a 2D mosaic
imtitle -- Change the title of an image (noao.proto V2.9)
imtranspose -- Transpose a list of 2-D images
imuncompress -- Uncompress IRAF image pixel file
imverify -- Verify that an image was copied correctly.
incidence -- Calibrate incidence angle.
infostis -- Print information about STIS FITS files.
instruments -- Instrument specific data files
interp -- Interpolate for a value in a table of X,Y pairs
intrep -- Find coordinates at the cursor.
intrinsicspecplot -- Plot the emitted and observed spectrum
intro -- A brief introduction to IRAF
inttag -- Convert an events table of TIMETAG into an integrated ACCUM image.
intvel -- Interactive average velocity evaluation
inverse -- Compute inverse Fourier transform of an image.
invertfit -- Compute the standard indices by inverting the fit
invmetric -- Translate RA & Dec to WF/PC pixel coordinates with geometric corrections.
ionic -- Determine ionic abundance relative to H+
iraf2bin -- Convert IRAF images into binary files
irafil -- Create an IRAF image from a binary data file
irafintro -- Manual Introduction and IRAF Tutorials
iralign -- Align the image produced by irmosaic
irlincor -- Correct IR imager frames for non-linearity
irman -- Infrared Reduction Manual (in progress)
irmatch1d -- Align and intensity match the image produced by irmosaic (1D)
irmatch2d -- Align and intensity match the image produced by irmosaic (2D)
irmosaic -- Mosaic an ordered list of images onto a grid
isoexam -- Plot ellipses on the image display (interactive).
isoimap -- Plot ellipses superposed over the gray-scale image display.
isomap -- Plot ellipses superposed over image contours.
isopall -- Plot summary of all results from isophotal analysis.
isoplot -- Plot results of isophotal analysis.
isoreg -- create region mask by applying intensity levels to image data
istable -- Is a file a table or text database file ?
iterstat -- Iteratively compute and print image statistics

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This file last updated on 28 May 2003