From 146587f6b60046bf487377a7d9482b6704a1ce95 Mon Sep 17 00:00:00 2001
From: eddyem <eddyem@yandex.ru>
Date: Wed, 29 Aug 2018 17:07:33 +0300
Subject: [PATCH] make gnuplot map circle

---
 src/netdaemon/plot | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/src/netdaemon/plot b/src/netdaemon/plot
index 5d25454..57d151d 100755
--- a/src/netdaemon/plot
+++ b/src/netdaemon/plot
@@ -1,23 +1,28 @@
 #!/bin/bash
+OUT=tmpfile.txt
+cat $1 > $OUT
+VAL=$(head -n1 $1 | awk '{print $3}')
+echo -e "30\t30\t$VAL\n-30\t-30\t$VAL" >> $OUT
 cat << EOF > gnutplt
 #!/usr/bin/gnuplot
 set contour
 unset surface
 set cntrparam order 4
 set cntrparam bspline
-set cntrparam levels auto 6
+#set cntrparam levels auto 6
+#set cntrparam levels incremental -30,0.1,30
 set view map
 set size square
-set xrange [-30:30]
-set yrange [-30:30]
-set dgrid3d 20,20,20
+set xrange [-40:40]
+set yrange [-40:40]
+set dgrid3d 100,100,4
 set table "contour.txt"
-splot '$1' u 1:2:3
+splot '$OUT' u 1:2:3
 unset table
 unset contour
 set surface
 set table "dgrid.txt"
-splot '$1' u 1:2:3
+splot '$OUT' u 1:2:3
 unset table
 reset
 set terminal canvas enhanced mousing size 1024,768 jsdir 'js'
@@ -25,10 +30,13 @@ set output "$1.html"
 set size square
 set xrange [-30:30]
 set yrange [-30:30]
+set xlabel "X, dm"
+set ylabel "Y, dm"
+set title "Mirror temperature"
 set pm3d map
 unset key
-#set label font ",2"
-splot 'dgrid.txt' w pm3d, 'contour.txt' w l lc rgb "black", '$1' u 1:2:3:3 with labels font ",8"
+circle(x,y,z) = x**2+y**2 > 900 ? NaN : z
+splot 'dgrid.txt' u 1:2:(circle(\$1,\$2,\$3)) w pm3d, 'contour.txt' u 1:2:(circle(\$1,\$2,\$3)) w l lc rgb "black", '$OUT' u 1:2:(circle(\$1,\$2,\$3)):3 with labels font ",8"
 EOF
 
 chmod 755 gnutplt