#!/usr/local/bin/gnuplot -persist
# set terminal canvas  rounded size 600,400 enhanced fsize 10 lw 1.6 fontscale 1 name "param_5" jsdir "."
# set output 'param.5.js'
set dummy t, y
set key bmargin center horizontal Right noreverse enhanced autotitle box lt black linewidth 1.000 dashtype solid
set parametric
set samples 160, 160
set style data lines
set xrange [ -5.00000 : 5.00000 ] noreverse writeback
set x2range [ * : * ] noreverse writeback
set yrange [ -5.00000 : 5.00000 ] noreverse writeback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front  noinvert bdefault
plot tan(t),t,t,tan(t)