Spacing and Tab Fixes in __main__.py

Renamed functions to use underscores and lowercase rather than camel case.
Made minor spacing changes.

src/__main__.py

@@ -4,10 +4,10 @@ from matplotlib import pyplot as plt
 import os
 import file_data
 
-def main():
 
+def main():
 	# Read in all images
-	images = readImages()
+	images = read_images()
 
 	# Read in data from Section001_Data.txt
 	specimen, load_disp_data = file_data.read_file("../Section001_Data.txt")
@@ -17,7 +17,7 @@ def main():
 	strains = []
 
 	# Get distances using sift
-	distances = getSiftDistance(images[0], images[1])
+	distances = get_sift_distance(images[8], images[9])
 
 	# These distances are coming out as zero for some reason.
 	# Still trying to figure out if it's a bug in the code I
@@ -39,22 +39,26 @@ def main():
 	"""
 
 
-def readImages():
+def read_images():
-	image_dir = '../images/'
+	image_dir = '../Images/'
 	filenames = os.listdir(image_dir)
 
 	images = []
 	for file in filenames:
 		images.append(cv2.imread(os.path.join(image_dir, file)))
+
 	return images
 
-def getStrain(length, displacement):
+
+def get_strain(length, displacement):
 	return displacement / length
 
-def getYoungsModulus(strain, stress):
-	return strain / stress
 
-def getSiftDistance(img1, img2):
+def get_youngs_modulus(strain, stress):
+	return stress / strain
+
+
+def get_sift_distance(img1, img2):
 	""" Gets distance between matching pts in
 		img1 and img2.
 	"""
@@ -96,7 +100,5 @@ def getSiftDistance(img1, img2):
 	return distances
 
 
-
-
 if __name__ == '__main__':
 	main()