Support plot-wide default line style.

1 files changed, 3 insertions, 1 deletions

diff --git a/gnuplot.py b/gnuplot.py
index 737e909..955617e 100755
--- a/gnuplot.py
+++ b/gnuplot.py
@@ -121,6 +121,8 @@ class Plot(object):
         self.labels = []
         self.curves = []
 
+        self.default_style = None # for plotted curves
+
     def gnuplot_commands(self, cmd_buf=None):
         if cmd_buf:
             g = cmd_buf
@@ -192,7 +194,7 @@ class Plot(object):
         if logscale:
             g("set logscale %s" % logscale)
 
-        plots = [c.gnuplot_cmd() for c in self.curves]
+        plots = [c.gnuplot_cmd(self.default_style) for c in self.curves]
         if plots:
             g("plot " + ", ".join(plots))