# HG changeset patch
# User Nicolas Saunier <nicolas.saunier@polymtl.ca>
# Date 1376504630 14400
# Node ID 91954c76d12cfd1e90e115da727134acd9f64d5d
# Parent  3c271a46b4d473383d621762e091485cbc54d689
minor changes to error messages when loading libraries

diff -r 3c271a46b4d4 -r 91954c76d12c python/cvutils.py
--- a/python/cvutils.py	Tue Aug 13 23:36:58 2013 -0400
+++ b/python/cvutils.py	Wed Aug 14 14:23:50 2013 -0400
@@ -1,18 +1,17 @@
 #! /usr/bin/env python
 '''Image/Video utilities'''
 
-import Image, ImageDraw # PIL
 try:
     import cv2
     opencvAvailable = True
 except ImportError:
-    print('OpenCV library could not be loaded')
+    print('OpenCV library could not be loaded (video replay functions will not be available)')
     opencvAvailable = False
 try:
     import skimage
     skimageAvailable = True
 except ImportError:
-    print('Scikit-image library could not be loaded')
+    print('Scikit-image library could not be loaded (HoG-based classification methods will not be available)')
     skimageAvailable = False
     
 from sys import stdout
@@ -39,6 +38,7 @@
 
 def drawLines(filename, origins, destinations, w = 1, resultFilename='image.png'):
     '''Draws lines over the image '''
+    import Image, ImageDraw # PIL
     
     img = Image.open(filename)