# Category : Printer + Display Graphics

Archive : GNUPLOT3.ZIP

Filename : POLAR.DEM

#

# Show some of the new polar capabilities.

#

set polar

set dummy x

set samples 160

set xrange [0:2*pi]

set title "Three circles (with aspect ratio distortion)"

plot .5,1,1.5

pause -1 "Hit return to continue"

set title ""

plot cos(2*x)

pause -1 "Hit return to continue"

plot 2*sqrt(cos(x)),-2*sqrt(cos(x))

pause -1 "Hit return to continue"

set offset pi/4,pi/4,0,0

plot sin(4*x),cos(4*x)

set offset 0,0,0,0

pause -1 "Hit return to continue"

set yrange [-5:5]

plot x/cos(3*x)

pause -1 "Hit return to continue"

set autoscale

plot 1-sin(x)

pause -1 "Hit return to continue"

set xrange [0:12*pi]

plot 2*x

pause -1 "Hit return to continue"

butterfly(x)=exp(cos(x))-2*cos(4*x)+sin(x/12)**5

set samples 800

pause 0 "This is a big one (many samples), be patient..."

set title "Butterfly"

set nokey

plot butterfly(x)

pause -1 "Hit return to continue"

# undo what we've done above

set nopolar

set samples 160

set autoscale xy

set title ""

set offset 0,0,0,0

set key