.TH EXTENTS 1 "Version 1.0" "EPU" "EPU user manual"
.SH NAME
extents \- displays information about class extents in given EPP file.
.SH SYNOPSIS
.B extents 
[-%ahlrtbxtA] [-o file] file.epp
.SH DESCRIPTION

Extents calculates area extents of all classes in given file and
displays it in tabular form.

This information includes minimal and maximal coordinates and area of
class.
.PP
By default information is printed to 
.I stdout.

It may be given in row/column and alternative coordinates.
.SH OPTIONS
.TP 8
.B --help
displays brief usage information.
.TP 8
.B --version
displays version number
.TP 8
.B -% --verbose
Displays percentage of processed lines in file.
.TP 8
.BI -o " file " --output-file= file
gives the name for output file, to write results to, instead of standard 
output.
.TP 8
.B -a --alt-coords
display coordinates in alternative system and area in real units,
insted of row/col and cell count.
.TP 8
.B -h --header
display one-line header above table.
.TP 8
.B -l --sort-left
sort classes by leftmost coordinate
.TP 8
.B -r --sort-right
sort classes by rightmost coordinate
.TP 8
.B -t --sort-top
same for topmost coordinate
.TP 8
.B -b --sort-bottom
I'm tired with this sort orders
.TP 8
.B -A --sort-area
Sort classes by count of cells.
.TP 8
.B -x --sort-x-center
Sort by x-coordinate of center of rectangle, containing all cells of that class.
.B -y --sort-y-center
same, but by y-coordinate

.SH SEE ALSO
.BR outtable (1)

.SH AUTHOR

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

.SH BUGS

???