# Header         
#
set title "DEMO GNUPLOT LINUX"
set nokey
set nopolar
set noparametric
set offsets 0,0,0,0
set xrange [0:20]
set yrange [0:10]
set label 1 "####     #   #     #     #  ###  ##### #  ### " at 5,9
set label 2 "#   #   # #  #     #     # #   #   #   # #   #" at 5,8.8
set label 3 "####   #   # #     #     #  ##     #   # #    " at 5,8.6 
set label 4 "#   #  ##### #     #     #   ##    #   # #    " at 5,8.4
set label 5 "#   #  #   # #     #     # #   #   #   # #   #" at 5,8.2
set label 7 "####   #   # ##### ##### #  ###    #   #  ### " at 5,8
set label 8 "(C) Robert Billon, 1999" at 8,6 
a=10000; b=200000
plot a*x
replot -a*x+b
replot 0
replot 10
replot 7
replot 5
replot 0
set nolabel 
pause 5
#
#
# Vitesse initiale      
#
set key
set samples 1000
set title "TRAJECTOIRE D'UN PROJECTILE EN FONCTION DE LA VITESSE INITIALE"
set xlabel "DISTANCE"
set ylabel "HAUTEUR"
set parametric
set xrange [0:1000]
set yrange [0:500]
set trange [0:100]
#set grid
A=1; B=2; g=9.8; V0=100; alpha=pi/3; 
#REM: t = temps
# 
set arrow from 0,0 to 0,500
set arrow from 0,0 to 1000,0
plot A*V0*cos(alpha)*t,B*(-1)*g*t**2+V0*sin(alpha)*t title "V0=100"
replot A*1.2*V0*cos(alpha)*t,B*(-1)*g*t**2+1.2*V0*sin(alpha)*t title "V0=120"
replot A*1.4*V0*cos(alpha)*t,B*(-1)*g*t**2+1.4*V0*sin(alpha)*t title "V0=140"
replot A*1.6*V0*cos(alpha)*t,B*(-1)*g*t**2+1.6*V0*sin(alpha)*t title "V0=160"
replot A*1.8*V0*cos(alpha)*t,B*(-1)*g*t**2+1.8*V0*sin(alpha)*t title "V0=180"
replot A*2.0*V0*cos(alpha)*t,B*(-1)*g*t**2+2.0*V0*sin(alpha)*t title "V0=200"
#set nolabel 1
#set nolabel 2
#set offsets 0,0,-4,-4
pause 5
#
# Angle de tir
# 
set title "TRAJECTOIRE D'UN PROJECTILE EN FONCTION DE L'ANGLE DE TIR"
set xlabel "DISTANCE"
set ylabel "HAUTEUR"
set xrange [0:1000]
set yrange [0:500]
set trange [0:100]
#set grid
A=1; B=2; g=9.8; V0=200; alpha=pi/3; 
#REM: t = temps
#
set arrow from 0,0 to 0,500
set arrow from 0,0 to 1000,0
plot A*V0*cos(1.4*alpha)*t,B*(-1)*g*t**2+V0*sin(1.4*alpha)*t title "alpha=84°"
replot A*V0*cos(1.2*alpha)*t,B*(-1)*g*t**2+V0*sin(1.2*alpha)*t title "alpha=72°"
replot A*V0*cos(1.0*alpha)*t,B*(-1)*g*t**2+V0*sin(1.0*alpha)*t title "alpha=60°"
replot A*V0*cos(0.8*alpha)*t,B*(-1)*g*t**2+V0*sin(0.8*alpha)*t title "alpha=48°"
replot A*V0*cos(0.6*alpha)*t,B*(-1)*g*t**2+V0*sin(0.6*alpha)*t title "alpha=36°"
replot A*V0*cos(0.4*alpha)*t,B*(-1)*g*t**2+V0*sin(0.4*alpha)*t title "alpha=24°"
#set nolabel 1
#set nolabel 2
#set offsets 0,0,-4,-4
pause 5
#
# Pesanteur   
# 
set title "TRAJECTOIRE D'UN PROJECTILE EN FONCTION DE LA PESANTEUR"
set xlabel "DISTANCE"
set ylabel "HAUTEUR"
set xrange [0:1000]
set yrange [0:500]
set trange [0:100]
#set grid
A=1; B=2; g=9.8; V0=200; alpha=pi/3; 
#REM: t = temps
#
set arrow from 0,0 to 0,500
set arrow from 0,0 to 1000,0
plot A*V0*cos(1.0*alpha)*t,B*(-1)*6*t**2+V0*sin(1.0*alpha)*t title "g=6.0m/s^2"
replot A*V0*cos(1.0*alpha)*t,B*(-1)*g*t**2+V0*sin(1.0*alpha)*t title "g=9.8m/s^2"
replot A*V0*cos(1.0*alpha)*t,B*(-1)*15*t**2+V0*sin(1.0*alpha)*t title "g=15 m/s^2"
replot A*V0*cos(1.0*alpha)*t,B*(-1)*20*t**2+V0*sin(1.0*alpha)*t title "g=20 m/s^2"
replot A*V0*cos(1.0*alpha)*t,B*(-1)*30*t**2+V0*sin(1.0*alpha)*t title "g=30 m/s^2"
replot A*V0*cos(1.0*alpha)*t,B*(-1)*40*t**2+V0*sin(1.0*alpha)*t title "g=40 m/s^2"
set noparametric
set dummy x
set nolabel 
#set offsets 0,0,0,0  
set samples 160
#
pause 5
#
# clean up
#
set nolabel 
set xrange [-10:10]
set yrange [-10:10]
set zrange [-10:10]
set nocontour
set nogrid
set nohidden3d
set samples 100
set isosamples 10
set view 60,30,1,1
set auto
set title "" 0,0
reset