CHECK_FITS | Check that array agrees with NAXISi, BITPIX keywords of FITS header |
FITSDIR | Display info about primary FITS header(s) on disk FITSRGB_to_TIFF - Combine separate red, green, blue FITS files into TIFF format |
FITS_ADD_CHECKSUM | Add/update the CHECKSUM/DATASUM keywords in a FITS header |
FITS_ASCII_ENCODE | Encode an unsigned longword as an ASCII string |
FITS_CLOSE | Close a FITS file defined by a FITS Control Block (see FITS_OPEN) |
FITS_HELP | Summarize the primary data units and extensions in a FITS file |
FITS_OPEN | Open a FITS file and define a FITS Control Block (FCB) |
FITS_READ | Read a FITS file specified by name or FITS Control Block (FCB) |
FITS_TEST_CHECKSUM | Verify the values of the CHECKSUM/DATASUM FITS keywords |
FITS_WRITE | Write a FITS primary data unit or extension |
FITS_INFO | Display info about disk FITS file(s) at a terminal or in Common |
FXMOVE | Skip a specified number of extensions in a FITS file |
FXPOSIT | Open a FITS file positioned to beginning of a specified extension |
HEADFITS | Read a FITS header from a disk FITS file. |
MKHDR | Make a minimal FITS header for an image array. |
MODFITS | Modify the header or data in a FITS array (without changing the size) |
MRDFITS | Read FITS file mapping table columns into IDL structure tags |
MRD_HREAD | Like FXHREAD but can also read a FITS header from a Unix pipe |
MWRFITS | Write a FITS file from a IDL array or structure |
RDFITS_STRUCT | Read an entire disk FITS file into an IDL structure |
READFITS | Read a disk FITS file into an IDL data and header array. |
SXADDHIST | Add a history record to a FITS header |
SXADDPAR | Add or modify a parameter in a FITS header |
SXDELPAR | Delete a keyword from a FITS header |
SXPAR | Obtain the value of a keyword in a FITS header |
WRITEFITS | Write IDL data and header array to a disk FITS file. Image Manipulation in pro/image _______ |
BOXAVE | Boxave an image, always using at least REAL*4 arithmetic |
CONVOLVE | Convolve an image with a PSF using the product of Fourier Transforms |
CORREL_IMAGES | Correlation of two images. Called by CORREL_OPTIMIZE |
CORREL_OPTIMIZE | Compute the optimal pixel offset of one image relative to another by maximizing the correlation function. |
CORRMAT_ANALYZE | Analyze the correlation function made by CORREL_IMAGE |
CR_REJECT | General iterative cosmic ray rejection for 2 or more images |
DIST_CIRCLE | Create a mask array useful for circular aperture photometry. |
DIST_ELLIPSE | Create a mask array useful for elliptical aperture photometry. |
FILTER_IMAGE | Like MEDIAN or SMOOTH but handles edges & allows iteration |
FREBIN | Expand or contract an image while conserving flux |
IMLIST | Display image pixel values around a specified center |
MAX_ENTROPY | Deconvolution by Maximum Entropy, given a PSF |
MAX_LIKELIHOOD | Deconvolution by maximum likelihood, given a PSF |
MEDARR | Median filter across a set of images (e.g. for cosmic ray removal) |
POSITIVITY | Map an image uniquely and smoothly into all positive values |
PSF_GAUSSIAN | Create a 1-d, 2-d, or 3-d Gaussian with specified FWHM, center |
SIGMA_FILTER | Replaces pixels deviant by more than a specified sigma from its neighbors. Useful for cosmic ray removal. |
SKYADJ_CUBE | Remove the sky level from individual images of a data cube |
XMEDSKY | Compute the median sky as a 1-d function of X (for slitless spectra) |