xind and yind
or interactively by mouseclicks. A new image is created by cutting out
the clipping region.clip.image(img, xind = NULL, yind = NULL, compress=NULL, ...)read.image, read.raw
or make.image.xind defines the horizontal extension of the clipping region.yind defines the vertical extension of the clipping region.compress=NULL
keeps the format used in img.show.image can be
passed here.xind==NULL and yind==NULL, show.image is called and the clipping region
can be set by two left mouse clicks to opposite corners.read.image, read.raw, make.image, awsimage, awspimage