plot_image.py: mention ~/.matplotlib/matplotlibrc for backend selection

diff --git a/src/plot_image/plot_image.py b/src/plot_image/plot_image.py
index fffab701cc353689aaea23a22ce52f686d9e2085..7766530e719317846c848d15f7319c30d51da8b1 100755 (executable)
--- a/src/plot_image/plot_image.py
+++ b/src/plot_image/plot_image.py
@@ -63,6 +63,12 @@ import numpy
 #matplotlib.use('Agg')     # select backend that doesn't require X Windows
 #matplotlib.use('GTKAgg')  # select backend that supports pylab.show()
 
+# Alternatively, you can configure the backend using
+# ~/.matplotlib/matplotlibrc:
+#   $ cat ~/.matplotlib/matplotlibrc:
+#   backend : Agg
+#   #backend : GTKAgg
+
 import pylab