edit : default value of alpha is now DEFAULT_ALPHA=0.1. (#19)

samila/genimage.py

@@ -75,7 +75,7 @@ class GenerativeImage:
         ax.scatter(
             self.data2,
             self.data1,
-            alpha=0.1,
+            alpha=DEFAULT_ALPHA,
             edgecolors=color,
             s=spot_size)
         ax.set_axis_off()

samila/params.py

@@ -7,6 +7,7 @@ DEFAULT_STOP = math.pi
 DEFAULT_STEP = 0.01
 DEFAULT_COLOR = "black"
 DEFAULT_BACKGROUND_COLOR = "white"
+DEFAULT_ALPHA = 0.1
 DEFAULT_IMAGE_SIZE = (10, 10)
 DEFAULT_SPOT_SIZE = 0.01
 DEFAULT_PROJECTION = None