graph

#!/bin/bash
#
# graph - Geiger graph generator
# Copyright (C) 2015  abouvier <abouvier@student.42.fr>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.

. "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/config/geiger.conf"

rrdtool graph geiger.png --imgformat=PNG \
	--title="Geiger counter ($tube)" \
	--start="-1hour" \
	--end="now" \
	--vertical-label="CPM" \
	--right-axis-label="μSv/h" \
	--right-axis="$factor:0" \
	--right-axis-format="%.2lf" \
	--alt-y-grid \
	--units-length=4 \
	--width=720 \
	--height=240 \
	--lower-limit=0 \
	--slope-mode \
	--border=0 \
	--pango-markup \
	--watermark="$(date --rfc-2822)" \
	--color="BACK#924d8b" \
	--color="CANVAS#924d8b" \
	--color="GRID#aea79f" \
	--color="MGRID#beb8b2" \
	--color="FONT#ffffff" \
	--color="AXIS#beb8b2" \
	--color="FRAME#333333" \
	--color="ARROW#beb8b2" \
	DEF:cpm="$rrdfile":cpm:AVERAGE \
	VDEF:min=cpm,MINIMUM \
	VDEF:avg=cpm,AVERAGE \
	VDEF:max=cpm,MAXIMUM \
	VDEF:last=cpm,LAST \
	CDEF:trend=cpm,240,TRENDNAN \
	VDEF:tmin=trend,MINIMUM \
	VDEF:tavg=trend,AVERAGE \
	VDEF:tmax=trend,MAXIMUM \
	VDEF:tlast=trend,LAST \
	COMMENT:"\t" \
	COMMENT:"Min\t" \
	COMMENT:"Average\t" \
	COMMENT:"Max\t" \
	COMMENT:"Last\l" \
	AREA:"cpm#19b6eeaa#19b6ee44:gradheight=-75" \
	LINE2:"cpm#19b6ee:CPM\t" \
	GPRINT:min:"%.0lf\t" \
	GPRINT:avg:"%.0lf\t" \
	GPRINT:max:"%.0lf\t" \
	GPRINT:last:"%.0lf\l" \
	LINE2:"trend#e36c43:CPM\t" \
	GPRINT:tmin:"%.0lf\t" \
	GPRINT:tavg:"%.0lf\t" \
	GPRINT:tmax:"%.0lf\t" \
	GPRINT:tlast:"%.0lf\l" \
	COMMENT:"\u" \
	LINE:"avg#3fb24f:Average" \
	HRULE:"$alert#dd4814:Alert\r"