# Plot load profile based on Enphase 15-minute measurement buckets.

# Damon Hart-Davis licenses this file to you
# under the Apache Licence, Version 2.0 (the "Licence");
# you may not use this file except in compliance
# with the Licence. You may obtain a copy of the Licence at
# 
# http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing,
# software distributed under the Licence is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the Licence for the
# specific language governing permissions and limitations
# under the Licence.
# 
# Author(s) / Copyright (s): Damon Hart-Davis 2020

# Derived from graphing/storesim/batsim1-daymean-1.txt 20201229.


# Prepare graph with a command similar to:
#sh script/storesim/load_profile.sh
#
# Consists of a mean values of key parameters for each minute of the day.
# (If the cycling loads have exactly 1440 sampled then they will be steady.)
#
# Input format:
#
#00:00:00,21,67,71
#00:15:00,21,77,81
#00:30:00,21,61,65
#00:45:00,21,73,77
#01:00:00,21,84,88
#01:15:00,21,69,73
#01:30:00,21,72,76
#01:45:00,21,81,85
#02:00:00,21,71,75
#
# That represents the consumption from grid in mean (rounded) watts:
#     time-of-day,count,mean-gross-W,mean-net-W

# Input file contains comma-separated values fields
set datafile separator comma


# Input filename supplied as:
#     gnuplot -e "infilename='in.dat'"
if (!exists("infilename")) infilename='.work/tmp/batsim1-daymean.dat.tmp'
# Output filename supplied as:
#     gnuplot -e "outfilename='out.png'"
if (!exists("outfilename")) outfilename='batsim1-daymean.png'
# X-axis format supplied as:
#     gnuplot -e "xafmt='%Hh'"
if (!exists("xafmt")) xafmt='%Hh'
# Title
if (exists("title")) set title title
if (!exists("title")) set title "Load Profile"

set terminal png
#set terminal png size 640,480
#set terminal png size 1280,480
set output outfilename
set grid
#set key bottom left horizontal
#set key below horizontal
set xdata time
set timefmt "%H:%M:%S"
set format x xafmt
set format y "%gW"
#set style fill transparent solid 0.1 border
#set style fill transparent pattern 4 border
# Omit some 'bad' (-1) data values from the display.
# Setting lw 2 for export W to make easier to read for colourblind.
plot infilename using 1:3 title "gross W" with lines lw 2, \
 "" using 1:4 title "net W" with lines