#
# $Id: contours.dem%v 3.38.2.146 1993/06/30 21:24:08 woo Exp woo $
#
set samples 20
set isosamples 21
set xlabel "X axis" -5,-2
set ylabel "Y axis" 4,-1
set zlabel "Z axis"
set title "3D gnu plot demo - contour plot"
set contour
splot x*y

set cntrparam levels auto 10
set title "3D gnu plot demo - contour plot on base grid"
set contour base
splot x**2-y**2

set title "3D gnu plot demo - contour plot on surface"
set contour both
# use the following if you just want contours on the surface:
# set contour surface
set cntrparam levels auto 10
splot x**2-y**2

set title "3D gnu plot demo - some more interesting contours"
set contour base
splot x*y / (x**2 + y**2 + 0.1)

set samples 25
set isosamples 26
set contour base
set title "3D gnu plot demo - contour of Sinc function"
splot [-5:5.01] [-5:5.01] sin(sqrt(x**2+y**2)) / sqrt(x**2+y**2)

set xrange [0:15]
set yrange [0:15]
set auto
set contour base   
set zrange [-0.6:0.6]
set data style lines
set title "3D gnu plot demo - contour of data grid plotting"
set parametric
cd "/home/longa/www/gnuplot/WAVES/data"
splot "glass3d.dat"

set hidden3d
set cntrparam levels 10
set xrange [0:15]
set yrange [0:15]
set data style lines
set title "3D gnu plot demo - contour of data grid plotting"
cd "/home/longa/www/gnuplot/WAVES/data"
set zrange [-1.2:1.2]
set noparametric
splot "glass3d.dat" using 1

cd "/home/longa/www/gnuplot/WAVES/data"
set view 0,0,1
set nosurface
set title "3D gnu plot demo - 2D contour projection of contour7.dem"
splot "glass3d.dat" using 1