# this file ("XYZplot.gplt") is a gnuplot script for
# displaying the lorenz attractor, using a data file
# containing values of X, Y and Z (one triplet per
# line) that are solutions to the lorenz equations,
# scaled so the fixed points lie at x = y = +/- 1.0
# and z = 1.0, regardless of the parameter values
# chosen for the prandtl number sigma, the rayleigh
# number r, and the aspect ratio b.
#
# the script as written below will
# produce the postscript file "XYZplot.ps" when the
# command "gnuplot XYZplot.gplt" is given and then the
# return key is pressed.  if you want to display the
# attractor in a window on your desktop, just
# comment out the first two lines, and uncomment the
# third ("set term X11") line.  when the display
# pops up on your screen you can use the mouse (or
# the arrow keys) to rotate the image so as to view
# it from different angles.  the viewing angles are
# theta (here defaulting to 86 degrees) and phi
# (here defaulting to 6 degrees).  theta=0 means
# you're looking down the Z-axis at the X-Y plane.
# the default setting shows the X-axis in front, the
# Y-axis extending back into the figure, and the
# Z-axis extending upwards toward the top of the
# figure.
#
# whether you're producing the postscript file or
# viewing the image on the screen, the give the command
# "gnuplot XYZplot.gplt" to make it happen.
# some browsers may support "gplt" as a file extension
# indicating a mimeType for gnuplot:
# <mime-type type=: "image/x-gnuplot">
#   <glob pattern="*.gplt"/>
# </mime-type>
#
# set term post enhanced color
# set term fig color
# set output "XYZplot.fig"
# set output "XYZplot.ps"
set palette
set pm3d
set term X11
# if you're on a windows machine uncomment the
# next line instead of "set term X11":
# set term windows
set pm3d at s
set cbrange [0:3]
set xzeroaxis
set yzeroaxis
unset xtics
unset ytics
unset ztics
unset key
unset colorbox
# for the border, use lt 0.  (lt 9 may also be nice)
# the "4095-32" omits the left back vertical line of the
# border box.
set border 4095-32 lt 0 lw 2  
set origin 0, -.05
set xlabel "X-axis" tc lt 3
set xrange [-3:3]
set yrange [-3:3]
set zrange [0:2]
set view 79, 16, 1.0, 1.3
# set label "Lorenz Attractor" at 0,0,-0.3 center tc palette cb 0
splot 'XYZdata' with lines palette
pause -1 "hit return to exit..."
# set output "test.fig"
# set output "test.ps"
# test
# pause -1 "hit return to exit..."