From: Manuel Penschuck <manuel.penschuck@stud.uni-frankfurt.de>
Date: Thu, 23 May 2013 10:03:25 +0000 (+0200)
Subject: Gnuplot now generates a temporary plot file which is afterwards moved. This way the... 
X-Git-Url: https://jspc29.x-matter.uni-frankfurt.de/git/?a=commitdiff_plain;h=b1a9320774e8ac786fbca7d86f1b1873d3af463d;p=daqtools.git

Gnuplot now generates a temporary plot file which is afterwards moved. This way the web-server should not deliver empty images anymore (or atleast less frequently)
---

diff --git a/web/include/CtsCommands.pm b/web/include/CtsCommands.pm
index 47cdd69..00afc09 100644
--- a/web/include/CtsCommands.pm
+++ b/web/include/CtsCommands.pm
@@ -489,13 +489,13 @@ EOF
 
                print $gnuplot_fh <<"EOF"
 set xrange [*:0]
-set output "$filename/plot.png"
+set output "$filename/_tmp_plot.png"
 plot \\
 "$filename/plot.data" using 1:3:(\$3 / 1000) with yerrorlines title "Edges", \\
 "$filename/plot.data" using 1:4:(\$4 / 1000) with yerrorlines title "Accepted"
 
 set xrange [-5:0]
-set output "$filename/plotshort.png"
+set output "$filename/_tmp_plotshort.png"
 plot \\
 "$filename/plot.data" using 1:3:(\$3 / 1000) with yerrorlines title "Edges", \\
 "$filename/plot.data" using 1:4:(\$4 / 1000) with yerrorlines title "Accepted"
@@ -503,6 +503,10 @@ plot \\
 EOF
 ;
 
+               rename "$filename/_tmp_plot.png",      "$filename/plot.png";
+               rename "$filename/_tmp_plotshort.png", "$filename/plotshort.png";
+               
+
                print ($quiet ? "." : "Plot produced\n");
             } else {
                print "Plotting delayed as too few points captured yet\n";