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GNUPLOT demo: surface2.dem

#
# $Id: surface2.dem%v 3.38.2.139 1993/06/19 01:03:49 woo Exp woo $
#
set parametric
set isosamples 50,10
set hidden


set title "Parametric Sphere"
set urange [-pi/2:pi/2]
set vrange [0:2*pi]
set zrange [-1:1]
set ztics -1.0,0.25,1.0
set view 45,50,,2.5
splot cos(u)*cos(v),cos(u)*sin(v),sin(u)
pause -1 "Hit return to continue (1)"
set view ,,,0.8 replot
pause -1 "Hit return to continue (2)"
set view ,,,1.6 replot
pause -1 "Hit return to continue (3)" set view ,,,1.0
set title "Parametric Torus" set urange [0:2*pi] set vrange [0:2*pi] splot (1-0.2*cos(v))*cos(u),(1-0.2*cos(v))*sin(u),0.2*sin(v)
pause -1 "Hit return to continue (4)"
set title "Parametric Hexagon" set urange [-1.3:1.3] set vrange [0:2*pi] set zrange [-0.6:0.6] set ztics splot cos(v)**3*cos(u)**3,sin(v)**3*cos(u)**3,sin(u)**3
pause -1 "Hit return to continue (5)"
set title "Parametric Helix" set isosamples 100,20 set urange [0:10*pi] set vrange [0:2*pi] set zrange [-0.6:0.6] splot (1-0.1*cos(v))*cos(u),(1-0.1*cos(v))*sin(u),0.1*(sin(v)+u/1.7-10)
pause -1 "Hit return to continue (6)"
set title "Parametric Shell" set isosamples 40,20 set view 50,30,1.0 set urange [0:2*pi] set vrange [0:2*pi] set zrange [-3:1.5] splot cos(u)*u*(1+cos(v)/2),sin(v)*u/2,sin(u)*u*(1+cos(v)/2)
pause -1 "Hit return to continue (7)" set title "Interlocking Tori"
set urange [-pi:pi] set vrange [-pi:pi] set isosamples 50,20 splot cos(u)+.5*cos(u)*cos(v),sin(u)+.5*sin(u)*cos(v),.5*sin(v) with lines, 1+cos(u)+.5*cos(u)*cos(v),.5*sin(v),sin(u)+.5*sin(u)*cos(v) with lines
pause -1 "Hit return to continue (8)" # # Clean up: # set noparametric set dummy x,y set isosamples 10,10 set view 60,30,1,1 set urange [-5:5] set vrange [-5:5] set zrange [-10:10] set auto set title "" 0,0 set nohidden

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