#!/usr/pkg/bin/bash
#  
# This file is a part of PFS CALIBRATION package.
# ---------------------------------------------------------------------- 
#  
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
# ---------------------------------------------------------------------- 
#
# @author Rafal Mantiuk, <mantiuk@users.sourceforge.net>
#
# $Id: pfsplotresponse,v 1.1 2011/03/04 10:00:59 rafm Exp $

if test -z $1 || test "$1" = "--help"; then
cat <<EOF
Plot response function using gnuplot

Usage: pfsplotresponse <file_1> [<file_2> ...]
 
See the man page for more information.
EOF
    exit 1
fi

if ! which gnuplot >/dev/null; then
   cat <<EOF
Error: 'gnuplot' does not seem to be installed. Install 'gnuplot' and try again.
EOF
    exit 1
fi

#RESP_FILE=$1;

for RESP_FILE in $*; do
    echo "set title \"$RESP_FILE\"; set xlabel \"Log relative radiance\"; set ylabel \"Pixel value\"; plot \"$RESP_FILE\";" | gnuplot -persist -
done
