# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'projection.1.png'
set dummy u, v
unset key
set wall y0  fc  rgb "bisque"  fillstyle  transparent solid 0.50 border lt -1
set wall x0  fc  rgb "forest-green"  fillstyle  transparent solid 0.50 border lt -1
set wall z0  fc  rgb "slategrey"  fillstyle  transparent solid 0.50 border lt -1
set parametric
set view map scale 1
set isosamples 75, 25
set style data lines
set xyplane relative 0
set xtics border in scale 0.5,0.5 nomirror norotate  autojustify
set xtics  norangelimit -4.00000,2 ,4.00000
set ytics border in scale 0.5,0.5 nomirror norotate  autojustify
set ytics  norangelimit -4.00000,2 ,4.00000
set ztics border in scale 0.5,0.5 nomirror norotate  center
set ztics  norangelimit 0.5 
set cbtics border in scale 0.5,0.5 nomirror norotate  autojustify
set rtics border in scale 0.5,0.5 nomirror norotate  autojustify
set title "set view map" 
set urange [ 0.00000 : 31.4159 ] noreverse
set vrange [ 0.00000 : 6.28319 ] noreverse
set xlabel "X-axis" 
set xrange [ -5.00000 : 5.00000 ] noreverse
set ylabel "Y-axis" 
set yrange [ -5.00000 : 5.00000 ] noreverse
set zlabel "Z-axis" 
set pm3d implicit at s
set pm3d depthorder 
set pm3d interpolate 1,1 flush begin noftriangles border linecolor rgb "black"  linewidth 0.500 dashtype solid corners2color mean
set palette cubehelix start 0.5 cycles -1.5 saturation 1
unset colorbox
NO_ANIMATION = 1
## Last plot was a multiplot
# saved multiplot
set multiplot layout 2,2 title "2D projections of a 3D surface" font ":Bold"
set title "general view      "
set view 60, 160, 1, 1.2
unset tics

set arrow 1 from graph 0,0,0 to graph 1.20,0,0 filled size graph .05, 15
set arrow 2 from graph 0,0,0 to graph 0,1.25,0 filled size graph .05, 15
set arrow 3 from graph 0,0,0 to graph 0,0,1.25 filled size graph .05, 15
set label 1 at graph 1.30,0,0 "X" center
set label 2 at graph 0,1.35,0 "Y" center
set label 3 at graph 0,0,1.35 "Z" center

splot (1-0.1*u*cos(v))*cos(u),(1-0.1*u*cos(v))*sin(u),0.1*(sin(v)+u/1.7-10) with pm3d

unset for [i=1:3] arrow i
unset for [i=1:3] label i
unset view

set title "set view projection xz"
set xlabel "X-axis" offset 0,0
set ylabel "Y-axis" offset 0,0
set zlabel "Z-axis" offset 0,0
set xlabel rotate by -270
set xtics -4,2,4
set ytics -4,2,4
set ztics 0.5
set tics nomirror scale 0.5, 0.5
set view projection xz
splot (1-0.1*u*cos(v))*cos(u),(1-0.1*u*cos(v))*sin(u),0.1*(sin(v)+u/1.7-10) with pm3d

set xlabel norotate

set title "set view projection yz"
set view projection yz
splot (1-0.1*u*cos(v))*cos(u),(1-0.1*u*cos(v))*sin(u),0.1*(sin(v)+u/1.7-10) with pm3d

set title "set view map"
set view projection xy
splot (1-0.1*u*cos(v))*cos(u),(1-0.1*u*cos(v))*sin(u),0.1*(sin(v)+u/1.7-10) with pm3d

unset multiplot