set term jpeg

set xlabel "x"
set ylabel "y"

unset logscale
set rmargin 15
set pm3d map
set palette rgbformulae 33,13,10
set size ratio -1
set autoscale

set title "nx=ny=50, \epsilon_1=1 \epsilon_2=1"
set output "poisson_50_1.jpeg"
splot "mapa_50_1_niezerowe.txt" u 1:2:3 w pm3d

set title "nx=ny=100"
set output "poisson_100_1.jpeg"
splot "mapa_100_1_niezerowe.txt" u 1:2:3 w pm3d

set title "nx=ny=200"
set output "poisson_200_1.jpeg"
splot "mapa_200_1_niezerowe.txt" u 1:2:3 w pm3d

set title "nx=ny=100, \epsilon_1=1 \epsilon_2=1"
set output "poisson_100_1_zerowe.jpeg"
splot "mapa_100_1_zerowe.txt" u 1:2:3 w pm3d

set title "\epsilon_1=1 \epsilon_2=2"
set output "poisson_100_2_zerowe.jpeg"
splot "mapa_100_2_zerowe.txt" u 1:2:3 w pm3d

set title "\epsilon_1=1 \epsilon_2=10"
set output "poisson_100_10_zerowe.jpeg"
splot "mapa_100_10_zerowe.txt" u 1:2:3 w pm3d