--- a/python/cvutils.py	Mon Jul 22 11:46:35 2013 -0400
+++ b/python/cvutils.py	Mon Jul 22 18:11:01 2013 -0400
@@ -70,6 +70,7 @@
 
 def cvMatToArray(cvmat):
     '''Converts an OpenCV CvMat to numpy array.'''
+    print('Deprecated, use new interface')
     from numpy.core.multiarray import zeros
     a = zeros((cvmat.rows, cvmat.cols))#array([[0.0]*cvmat.width]*cvmat.height)
     for i in xrange(cvmat.rows):
@@ -85,6 +86,7 @@
 
     def arrayToCvMat(a, t = cv2.cv.CV_64FC1):
         '''Converts a numpy array to an OpenCV CvMat, with default type CV_64FC1.'''
+        print('Deprecated, use new interface')
         cvmat = cv2.cv.CreateMat(a.shape[0], a.shape[1], t)
         for i in range(cvmat.rows):
             for j in range(cvmat.cols):
@@ -180,14 +182,15 @@
     
 def printCvMat(cvmat, out = stdout):
     '''Prints the cvmat to out'''
+    print('Deprecated, use new interface')
     for i in xrange(cvmat.rows):
         for j in xrange(cvmat.cols):
             out.write('{0} '.format(cvmat[i,j]))
         out.write('\n')
 
 def projectArray(homography, points):
-    '''Returns the coordinates of the projected points (format 2xN points)
-    through homography'''
+    '''Returns the coordinates of the projected points through homography
+    (format: array 2xN points)'''
     from numpy.core import dot
     from numpy.core.multiarray import array
     from numpy.lib.function_base import append
@@ -216,7 +219,8 @@
     return projectArray(homography, array(trajectory))
 
 def invertHomography(homography):
-    'Returns an inverted homography'
+    '''Returns an inverted homography
+    Unnecessary for reprojection over camera image'''
     from numpy.linalg.linalg import inv
     invH = inv(homography)
     invH /= invH[2,2]