#!/usr/local/bin/gnuplot -persist
# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'heatmap_points.3.png'
set border 15 front lt black linewidth 1.000 dashtype solid
set dgrid3d 25,25 splines
unset key
unset parametric
set size ratio 0 0.3,0.3
set origin 0,0.65
set style data lines
set xyplane at -500
unset xtics
unset ytics
unset ztics
unset cbtics
unset rtics
set title "gridded surface fit to points" 
set xrange [ * : * ] noreverse writeback noextend
set x2range [ * : * ] noreverse writeback
set yrange [ * : * ] noreverse writeback noextend
set y2range [ * : * ] noreverse writeback
set zrange [ -500.000 : 500.000 ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set bmargin at screen 0.72
set rmargin  0
set tmargin at screen 0.9
set palette negative nops_allcF maxcolors 0 gamma 1.5 color model RGB 
set palette cubehelix start 0.5 cycles -1.5 saturation 1
set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front  noinvert bdefault
NO_ANIMATION = 1
## Last datafile plotted: "mask_pm3d.dat"
splot 'mask_pm3d.dat' using 1:2:3 with lines lc "cyan", 	  '' using 1:2:3 with points lc "black" pt 7 ps 0.3 nogrid