ImProc ass2: Merged conflict.

improc/ass2/affine.py

 from interpolation import pv
-from pylab import array, matrix, zeros, show, dot, lstsq, inv, svd
+from pylab import array, matrix, zeros, show, dot, lstsq, inv, svd, subplot, \
+        plot, figure
 
 # url: http://www.leptonica.com/affine.html
 
@@ -88,5 +89,12 @@ if __name__ == '__main__':
     result = perspective_transform(image, (149, 590), (101, 376), (301, 209),
                                    (393, 392), 64, 64)
 
+    figure(1)
+    subplot(121)
+    x = [0, half_width, image.shape[0], half_width, 0]
+    y = [half_height, 0, half_height, image.shape[1], half_height]
+    plot(x, y, '-')
+    imshow(image, cmap='gray')
+    subplot(122)
     imshow(result, cmap='gray')
     show()