IRAF help page for package images.tv.iis, program zoom

from NOAO zoom - zoom in on the image (change magnification)USAGEDESCRIPTIONEXAMPLESSEE ALSO

zoom - zoom in on the image (change magnification)


USAGE

zoom

zoom_factor

Zoom factor by the display is to be expanded. The factors are powers of 2; 1 = no zoom, 2 = factor of 2, 3 = factor of 4, and 4 = factor of 8.

window = no

Window the enlarged image?


DESCRIPTION

The display is zoomed by the specified factor. A zoom factor of 1 is no magnification and higher factors correspond to factors of 2. The zoom replicates pixels on the monitor and only a part of the display frame centered on the display cursor is visible. The window option allows the user to adjust interactively with the cursor the part of the zoomed frame.


EXAMPLES

To magnify the displayed frame by a factor of 2:

cl> zoom 2


SEE ALSO

cv,


This page automatically generated from the iraf .hlp file. If you would like your local iraf package .hlp files converted into HTML please contact Dave Mills at NOAO.

dmills@noao.edu