reset
set terminal jpeg
set output "essai5.jpg"
set key off
set xrang [0:10]
set yrang [0:10]
set style line 12 lt rgb "blue"
set style fill solid 0.6
set object 1 rectangle at 1,1 size 8,2 fc rgb "yellow"
set object 2 circle at 4,6.2 radius 2 fc rgb "orange" front
set object 3 ellipse at 6,2.5 size 3,8 angle 40 fc rgb "blue"
set object 4 polygon from 8.6,4 to 8.6,8 to 8.2,8 to 9.2,9.6 \
to 10,8 to 9.6,8 to 9.6,4 to 8.6,4
plot NaN