Copyright © Michael Richmond.
This work is licensed under a Creative Commons License.
image arithmetic add add images sub subtract images mul multiply images div divide images addvec add a 1-D vector to a 2-D image subvec subtract a 1-D vector from a 2-D image mulvec multiply a 2-D image by a 1-D vector divvec divide a 2-D image by a 1-D vector data display tv display grey scale image on screen cursor displays data values at cursor position marks displays cross hairs on a image pfits prints out image data on the screen image marking box defines a rectangular image subsection circle defines a circular image subsection image statistics abx calculates miscellaneous statistics axes calculates centroid of images hist computes histograms mn computes mean of images profile makes a circular profile around a centroid sky computes sky level processing back fits low-order polynomial to image and subtracts it bin squashes an image clip replaces pixels outside a specified intensity range flip changes orientation of image imshift shifts image in rows and columns makevec creates a 1-D vector from a 2-D image mash generates spectra from image files into ASCII file median creates median frame from several images ring convolve images with a user-supplied kernal rotate rotates images rowcol cuts rows or columns from data into an ASCII file sbig2fits convert an SBIG "uncompressed" image to FITS format smooth convolves images with one of several standard functions window cuts down images header manipulation buffers displays the FITS header variables comment enters in comments into the FITS header miscellaneous convert convert bitmaps into FITS-format files impatch replaces pixel values in an image implant inserts an image into another image (montage) xlet sets and inspect variables makeim converts ascii to FITS-format files propinit initializes X window properties pstar generates artificial star images xplot plot program for columnar data photometry stars finds stars in an image phot performs aperture photometry mask creates a file describing defects in the image
Copyright © Michael Richmond.
This work is licensed under a Creative Commons License.