# HG changeset patch
# User Laman
# Date 2018-12-20 22:03:39
# Node ID 79c410b194c6b70822123d14fe9c3b4c2dcce823
# Parent  1d1fd2ae49bff0276322d521a98794d1497a167c

sampler takes command line arguments

diff --git a/exp/color_sampler.py b/exp/color_sampler.py
--- a/exp/color_sampler.py
+++ b/exp/color_sampler.py
@@ -15,11 +15,15 @@ from analyzer.epoint import EPoint
 from analyzer.corners import Corners
 
 
+dirname=sys.argv[1]
+annotations=sys.argv[2]
+
+
 class Sampler:
 	def __init__(self):
-		self.dirname="../images"
-		self.annotations=DataFile("annotations.json.gz")
-		self.filenames=[f for f in os.listdir(self.dirname) if f.endswith(".jpg")]
+		self.dirname=dirname
+		self.annotations=DataFile(annotations)
+		self.filenames=[f for f in sorted(os.listdir(self.dirname)) if f.endswith(".jpg")]
 		self.k=0
 
 		self.img=None
@@ -129,6 +133,7 @@ class Sampler:
 
 
 class DataFile(MutableMapping):
+	"""self._data: {filename: [EPoint,EPoint,EPoint,EPoint]}"""
 	def __init__(self,filename):
 		self.filename=filename
 		try:
@@ -157,4 +162,5 @@ class DataFile(MutableMapping):
 	def __len__(self): return len(self._data)
 
 
-s=Sampler()
+if __name__=="__main__":
+	s=Sampler()