X-Git-Url: http://git.tomasm.cz/imago.git/blobdiff_plain/e34ac48a7387f7c359c1987f3a58ebcca154697e..e081eb1ecc06066d8015da7ad40947916607e964:/imago.py

diff --git a/imago.py b/imago.py
index 127ddd9..1cda8ba 100755
--- a/imago.py
+++ b/imago.py
@@ -6,6 +6,7 @@ import sys
 import os
 import math
 import argparse
+from operator import itemgetter
 
 try:
     import Image, ImageDraw
@@ -33,10 +34,13 @@ def main():
     parser.add_argument('-s', '--save', dest='do_something', action='store_const',
                         const=image_save, default=im_debug.show,
                         help="save images instead of displaying them")
+    parser.add_argument('-v', '--verbose', dest='verbose', action='store_true',
+                        help="report progress")
     args = parser.parse_args()
 
     show_all = args.show_all
-    do_something = args.do_something    
+    do_something = args.do_something
+    verbose = args.verbose
 
     try:
         image = Image.open(args.file[0])
@@ -49,6 +53,9 @@ def main():
     global Saving_dir
     Saving_dir = "saved/" + args.file[0][:-4] + "_" + str(image.size[0]) + "/"
     
+    if verbose:
+        print >> sys.stderr, "preprocessing"
+
     if show_all:
         do_something(image, "original image")
 
@@ -56,6 +63,9 @@ def main():
     if show_all:
         do_something(im_l, "ITU-R 601-2 luma transform")
 
+    if verbose:
+        print >> sys.stderr, "edge detection"
+
     im_edges = filters.edge_detection(im_l)
     if show_all:    
         do_something(im_edges, "edge detection")
@@ -64,6 +74,9 @@ def main():
     if show_all:
         do_something(im_h, "high pass filters")
     
+    if verbose:
+        print >> sys.stderr, "hough transform"
+
     hough1 = Hough(im_h.size)
     im_hough = hough1.transform(im_h)
     if show_all:
@@ -81,6 +94,9 @@ def main():
     if show_all:
         do_something(im_h2, "components centers")
 
+    if verbose:
+        print >> sys.stderr, "second hough transform"
+
     hough2 = Hough(im_h2.size)
     im_hough2 = hough2.transform(im_h2)
     if show_all:
@@ -90,37 +106,56 @@ def main():
     if show_all:
         do_something(im_h3, "third high pass filter")
      
-    im_h3 = filters.components(im_h3)
+    im_h3 = filters.half_centers(im_h3)
     if show_all:
-        do_something(im_h3, "components centers 2")
-
-    lines = hough2.all_lines(im_h3)
+        do_something(im_h3, "half centers")
 
-    im_lines = Image.new('L', im_h2.size)
+    if verbose:
+        print >> sys.stderr, "finding the grid"
 
-    draw = ImageDraw.Draw(im_lines)
+    lines_m = hough2.all_lines(im_h3)
+    lines = []
 
-    for line in lines:
+    for line in lines_m:
+        im_line = Image.new('L', im_h2.size)
+        draw = ImageDraw.Draw(im_line)
         draw.line(line_from_angl_dist(line, im_h2.size), fill=255, width=5)
-    if show_all:
-        do_something(im_lines, "lines")
+        if show_all:
+            do_something(im_line, "line")
+        im_c = combine(im_h2, im_line)
+        if show_all:
+            do_something(im_c, "hough x lines")
+        lines.append(hough1.all_lines(im_c))
+
+    intersections = intersections_from_angl_dist(lines, image.size)
+    image_g = image.copy()
+    draw = ImageDraw.Draw(image_g)
+    for line in intersections:
+        for (x, y) in line:
+            draw.point((x , y), fill=(120, 255, 120))
+    
+    for line in intersections:
+        print ' '.join([stone_color(image, intersection) for intersection in
+                       line])
 
-    im_c = combine(im_h2, im_lines)
     if show_all:
-        do_something(im_c, "first hough x lines")
-
-    lines = hough1.all_lines(im_c)
-    intersections = intersections_from_angl_dist(lines)
-    draw = ImageDraw.Draw(image)
-    for (x, y) in intersections:
-        draw.point((x + image.size[0] / 2, y + image.size[1] / 2), fill=(120, 255, 120))
-
-    print(len(intersections))
-
-    do_something(image, "the grid")
+        do_something(image_g, "the grid")
 
     return 0
 
+def stone_color(image, (x, y)):
+    suma = 0.
+    for i in range(-2, 3):
+        for j in range(-2, 3):
+            suma += sum(image.getpixel((x + i, y + j)))
+    suma /= 3 * 25
+    if suma < 55:
+        return 'B'
+    elif suma < 200: 
+        return '.'
+    else:
+        return 'W'
+
 def image_save(image, title=''):
     global Saving_dir
     global Saving_num
@@ -150,14 +185,16 @@ def line_from_angl_dist((angle, distance), size):
     y2 = int(round((x2 * math.sin(angle) - distance) / math.cos(angle))) + size[1] / 2
     return [(0, y1), (size[0] - 1, y2)]
 
-def intersections_from_angl_dist(lines):
-    intersections = set()
-    for (angl1, dist1) in lines:
-        for (angl2, dist2) in lines:
-            if abs(angl1 - angl2) > 0.3:
+def intersections_from_angl_dist(lines, size):
+    intersections = []
+    for (angl1, dist1) in sorted(lines[1], key=itemgetter(1)):
+        line = []
+        for (angl2, dist2) in lines[0]:
+            if abs(angl1 - angl2) > 0.4:
                 x =  - ((dist2 / math.cos(angl2))-(dist1 / math.cos(angl1))) / (math.tan(angl1) - math.tan(angl2))
                 y = (math.tan(angl1) * x) - (dist1 / math.cos(angl1))
-                intersections.add((int(x), int(y)))
+                line.append((int(x + size[0] / 2), int(y + size[1] / 2)))
+        intersections.append(line)
     return intersections
 
 if __name__ == '__main__':