# gnuplot 5.2.8 / Linux

set datafile separator " "
set terminal svg size 1400,700 font 'Sans Serif,14' enhanced background rgb 'white'
set output "Doeltreffendheid van gasturbines.svg"
set title "Aandrywing doeltreffenheid vergelyking van verskeie gasturbine motor konfigurasies"

# set autoscale
set xrange ['0':'1000']
set yrange ['0':'90']

set xlabel "lugspoed (myl per uur)"
set ylabel "doeltreffendheid (%)"

set key default
set key bottom right

set grid

set style line 1 lc rgb '#0025ad' lt 1 lw 2 # --- blue   | turboprop
set style line 2 lc rgb '#FF7F00' lt 1 lw 2 # --- orange | high-bypass
set style line 3 lc rgb '#00AA00' lt 1 lw 2 # --- green  | low-bypass
set style line 4 lc rgb '#FF0000' lt 1 lw 2 # --- red    | turbojet
set style line 5 lc rgb '#000000' lt 1 lw 2 # --- black  | Mach 1


plot "turboprop.data"  using 1:2 smooth csplines title "Turboskroef"   with lines ls 1, \
     "hi-bypass.data"  using 1:2 smooth csplines title "Hoë-omloop" with lines ls 2, \
     "low-bypass.data" using 1:2 smooth csplines title "Lae-omloop" with lines ls 3, \
     "turbojet.data"   using 1:2 smooth csplines title "Turbostraal"   with lines ls 4, \
     "mach1.data"      using 1:2 title "Mach 1 FL360-660" with lines ls 5
     
# commented out below is the data from the separate .data files that are used above

# turboprop.data :

# # x	y
# -1.8796556285243469 -0.0006961687513040715
# 47.62954540180539 19.83245538718586
# 71.41531107140364 30.211635300396807
# 119.31172116120948 45.784930267096755
# 172.9631262618058 59.50850486157845
# 202.67792913002106 65.26025108486297
# 228.72624324136163 69.52915786786718
# 303.3555333812916 78.44568723458568
# 370.87229944538535 80.87810085164645
# 412.3059429605735 79.59715034924466
# 463.39312649386204 74.2457011579607
# 503.2023762560043 68.8900749541689
# 560.1721857378226 59.651915624347346
# 615.2855452161602 50.04269835008006
# 661.047037801963 39.6892766806674


# hi-bypass.data : 

# # x	y
# -1.9028612535678633 0.3696656069431299
# 64.56965168356808 19.468359130253177
# 110.89968208293689 30.04107395632701
# 159.16738217343877 39.68858051191609
# 224.34038010813813 49.52753347411413
# 302.68257025502965 59.18617872972409
# 399.8213166871649 68.8517856728471
# 504.54830250852785 77.40909196389205
# 603.6943355069267 85.03840530944701
# 680.4237347132944 90.43719397581974


# low-bypass.data : 

# # x	y
# -0.02320562504351642 0.37036177569443396
# 79.59529389924117 19.659109368110848
# 133.4555496252291 30.049427981342674
# 185.48256097277974 39.698326874434365
# 261.92188986610347 49.72663773698745
# 353.41006660014375 59.57533706170376
# 400.12298981273057 64.03708258881954
# 471.2018193210033 69.61896363678557
# 602.1743670665768 79.29710161743206
# 705.1261225721112 86.18708374910078
# 778.1890330216041 90.10303297519319


# turbojet.data : 

# # x	y
# -0.02320562504351642 0.37036177569443396
# 65.18460074722114 9.65377207435084
# 151.0106049706449 19.870744668507655
# 244.34362889564417 30.275682825516895
# 345.2532893973498 39.75750121829532
# 463.05664493073095 49.6159469055299
# 567.7720279395724 58.358434084422065
# 706.1587728865475 69.70598473069873
# 805.3396143225116 76.77975541271203
# 902.6408001299511 83.85282992597405
# 1003.7477084445267 90.18657322534983


# mach1.data : 

# # x	y
# 660 100
# 660 90
# 660 80
# 660 70
# 660 60
# 660 50
# 660 40
# 660 30