RESAMPLE(1)RESAMPLE(1)NAMEresample - resample a picture
SYNOPSISresample [ -x size ] [ -y size ] [ file ]
Resample resamples its input image (default standard input) to a new
size. The image is decimated or interpolated using a Kaiser window.
The size of the resampled image can be specified with the -x and -y
options. An unadorned value sets the number of pixels of that dimen‐
sion; a suffixed percent sign specifies a percentage. If only one of
-x or -y is given, the other dimension is scaled to preserve the aspect
ratio of the original image. Thus, -x50% will reduce the image to half
its original dimension in both x and y.
The input should be a Plan 9 image as described in image(6), and the
output will be a compressed 24-bit r8g8b8 image. To uncompress the
image or change the pixel format, use iconv (see crop(1)).
SEE ALSOcrop(1), image(6)BUGS
Faster algorithms exist, but this implementation produces correct pic‐