Merge pull request #10 from icm7216/fix-to-iruby

masa16 · web-flow · commit 80846cb8802b · 2017-01-28T14:45:50.000+09:00
Fix not display on IRuby notebook
diff --git a/lib/numo/gnuplot.rb b/lib/numo/gnuplot.rb
@@ -37,13 +37,13 @@ def initialize(&block)
 
     def to_iruby
       require 'tempfile'
-      tempfile_svg = Tempfile.open('plot')
+      tempfile_svg = Tempfile.open(['plot','.svg'])
       # output SVG to tmpfile
       gp = Gnuplot.default
       gp.reset
       gp.set terminal:'svg'
-      gp.output:tempfile_svg.path
       gp.instance_eval(&@block)
+      gp.output tempfile_svg.path
       gp.unset 'output'
       svg = File.read(tempfile_svg.path)
       tempfile_svg.close
