NAME
expand - expand (blow up) image files
SYNOPSIS
expand file factor= [mean] [outfile=]
DESCRIPTION
This program expands the data file named on the command line by the integer
factor specified.
The expansion is done both in rows and columns and the data are just
repeated.
If the mean flag is specified, the
pixel sum is divided by the number of pixels (the square of the expansion
factor).
The World Coordinate System values,if present, are adjusted as needed.
EXAMPLE
expand alflyr factor=2 mean
Compresses the data file alflyr by a factor of 2 (or 4 in total file size).
The pixels are normalized.
XVista index