# set terminal svg size 600,400 dynamic enhanced fname 'arial' fsize 10 mousing name "polar_9" butt solid # set output 'polar.9.svg' unset border set style fill solid 0.50 border set dummy t,y set grid polar 0.523599 set grid noxtics nomxtics noytics nomytics noztics nomztics \ nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics set grid layerdefault linetype 0 linewidth 1.000, linetype 0 linewidth 1.000 set key title "bounding radius 2.5" set key outside right top vertical Right noreverse enhanced autotitles nobox set key noinvert samplen 0.7 spacing 1 width 0 height 0 set polar set size ratio 1 1,1 set noxtics set noytics set rrange [ 0.100000 : 4.00000 ] noreverse nowriteback set xrange [ -3.90000 : 3.90000 ] noreverse nowriteback set yrange [ -3.90000 : 3.90000 ] noreverse nowriteback butterfly(x)=exp(cos(x))-2*cos(4*x)+sin(x/12)**5 GPFUN_butterfly = "butterfly(x)=exp(cos(x))-2*cos(4*x)+sin(x/12)**5" plot 3.+sin(t)*cos(5*t) with filledcurve above r=2.5 notitle, 3.+sin(t)*cos(5*t) with line