diff --git a/pysegcnn/main/config.py b/pysegcnn/main/config.py
index f2156a56967d00ab9a084647ec5d9587705f5f72..8780589566612c47393c92e1f2db1a2b81492ba9 100644
--- a/pysegcnn/main/config.py
+++ b/pysegcnn/main/config.py
@@ -292,6 +292,12 @@ eval_config = {
     # the input scene: red': bands[0], green': bands[1], blue': bands[2]
     'plot_bands': ['nir', 'red', 'green'],
 
+    # size of the figures
+    'figsize': (10, 10),
+
+    # degree of constrast stretching for false color composite
+    'alpha': 5
+
 }
 
 # the complete configuration