#!/usr/bin/env python
"""Usage: imago.py file"""
+import sys
import Image
import im_debug
-import sys
-from filter import filter
+import filter
+import hough
-class Usage(Exception):
+class UsageError(Exception):
def __init__(self, msg):
self.msg = msg
-def main(argv=None):
+def main(*argv):
"""Main function of the program."""
try:
- if argv is None:
- try:
- argv = sys.argv[1]
- except IndexError:
- raise Usage('no arguments given')
- except Usage, err:
- print >>sys.stderr, err.msg
- print >>sys.stderr, "for help use --help"
+ if argv is ():
+ argv = sys.argv[1:]
+ if argv == []:
+ raise UsageError('Missing filename')
+ if "--help" in argv:
+ print __doc__
+ return 0
+ except UsageError, err:
+ print >>sys.stderr, err.msg, "(\"imago.py --help\" for help)"
return 2
- #TODO exception on empty argument
#TODO exception on file error
- image = Image.open(argv)
- im_debug.show(image, "original image")
+ image = Image.open(argv[0])
+ #im_debug.show(image, "original image")
im_l = image.convert('L')
- im_debug.show(im_l, "ITU-R 601-2 luma transform")
+ #im_debug.show(im_l, "ITU-R 601-2 luma transform")
+
+ im_edges = filter.edge_detection(im_l)
+ #im_debug.show(im_edges, "edge detection")
+
+ im_h = filter.high_pass(im_edges, 80)
+ #im_debug.show(im_h, "high pass filter")
+
+ im_hough = hough.transform(im_h)
+ #im_debug.show(im_hough, "hough transform")
+
+ im_h2 = filter.high_pass(im_hough, 120)
+ im_debug.show(im_h2, "high pass filter")
- im_edges = filter(im_l)
- im_debug.show(im_edges, "edge detection")
+ return 0
if __name__ == '__main__':
- main() #sys.exit(main())
-
+ sys.exit(main())