.TH BORDER 1 "Version 1.0" "EPU" "EPU user manual"
.SH NAME
border \- plots contour boundaries of raster file into vector file
.SH SYNOPSIS
.B border
[-v] [-m] [-l] [-t
.I value
] [-o
.I output_file
]
.SH DESCRIPTION
Creates a 
.B dgt
file with lines which delimit different classes in input
.B epp file.
If 
.B -l
option given, puts a label point into each closed polygon. 
.PP
Default output filename is constructed from name of input file, by
replacing suffix 
.I .epp
by
.I .dgt
\.
.PP
Lines can be created "staircase"-like or smooth. Smoothing is controlled
by 
.B tolerance 
factor, which defines maximum size of line segment, which can be changed.

.SH OPTIONS
.TP 8
.B --help
Display brief usage information and exit successifully.
.TP 8
.B --version
Display version number and exit successifully.
.TP 8
.B -%, --verbose
Display progress indication. Useful on large files, but significantly
decreases performans on small ones.
.TP 8
.B -m, --margins
Controls behavouir on file edges. By default 
.B border
treats all areas outside file as 
.I offsite,
but when this option given, it assumes that all classes at the file edge
are continued outside it.
.TP 8
.B -t --tolerance
Defines tolerance value. Default is zero -- no smoothing.
.TP 8
.B -o --output-file
Allows to specify output file name explicitly.

.SH BUGS
Label creation is unwritten yet