.TH CLIP 1 "Version 1.0" "EPU" "EPU user manual"
.SH NAME
clip \- clips a region from old file using mask file 
.SH SYNOPSIS
.B clip 
[-%] [-m number] [-o filename] [--help][--version] file mask
.SH DESCRIPTION
Clip creates new file, containing part of old file, which corresponds
to given onsite area or specified class of mask file. 
.PP
Cell size of new file would be equial to cell size of mask file.
If cell sizes don't match, ``nearest neighbour'' algorithm would be used
for rescaling.

.SH OPTIONS
.TP 8
.B --help
displays brief usage information.
.TP 8
.B --version
displays version number
.TP 8
.B -%
Displays percentage of processed lines in file.
.TP 8
.BI -o " file " --output-file= file
gives the name for output file. Defaults to
.I mosaic.out.epp
.TP 8
.BI -m " number" --mask-value= number
Clip region which has class
.I number
in the mask file. Otherwise all onsite area of mask file would be clipped.
.SH SEE ALSO
.BR window(1), mosaic(1), eheader (1)

.SH AUTHOR

Victor B. Wagner <vitus@agropc.msk.su>

.SH BUGS

Should deal with different cell sizes.