From c13a5fb97c22ae952b4a99e75735f9c96efcf438 Mon Sep 17 00:00:00 2001
From: Tomas Musil <tomik.musil@gmail.com>
Date: Sat, 5 Jan 2013 16:05:21 +0100
Subject: [PATCH 1/1] color distribution plot

---
 imago.py  | 13 ++++++++++++-
 intrsc.py | 18 +++++++++++++++++-
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/imago.py b/imago.py
index 4b87f0f..136574a 100755
--- a/imago.py
+++ b/imago.py
@@ -94,7 +94,18 @@ def main():
                 draw.line(l, fill=(64, 255, 64), width=1)
             do_something(im_g, "grid", name="grid")
 
-    board = intrsc.board(image, lines, show_all, do_something)
+    board, board_raw = intrsc.board(image, lines, show_all, do_something)
+
+    ### Show color distribution
+    #import matplotlib.pyplot as pyplot
+    #luma = [(0.30 * s[0] + 0.59 * s[1] + 0.11 * s[2]) / 255.
+    #             for s in sum(board_raw, [])]
+    #pyplot.scatter(luma,
+    #            [(max(s) - min(s)) / (255 - abs(max(s) + min(s) - 255))
+    #             for s in sum(board_raw, [])],  
+    #               color=[(s[0]/255., s[1]/255., s[2]/255., 1.) for s in sum(board_raw, [])])
+    #pyplot.show()
+    ###
 
     #simple ASCII output:
     for line in board:
diff --git a/intrsc.py b/intrsc.py
index cefed90..ba36b6d 100644
--- a/intrsc.py
+++ b/intrsc.py
@@ -34,11 +34,14 @@ def board(image, lines, show_all, do_something):
         do_something(image_g, "intersections")
 
     board_r = []
+    board_raw = []
     
     for line in intersections:
         board_r.append([stone_color(image, intersection) for intersection in
                       line])
-    return board_r
+        board_raw.append([stone_color_raw(image, intersection) for intersection in
+                      line])
+    return board_r, board_raw
 
 def intersections_from_angl_dist(lines, size, get_all=True):
     """Take grid-lines and size of the image. Return intersections."""
@@ -73,3 +76,16 @@ def stone_color(image, (x, y)):
         return '.'
     else:
         return 'W'
+   
+def stone_color_raw(image, (x, y)):
+    """Given image and coordinates, return stone color."""
+    suma = []
+    for i in range(-2, 3):
+        for j in range(-2, 3):
+            try:
+                suma.append(image.getpixel((x + i, y + j)))
+            except IndexError:
+                pass
+    suma = (sum(s[0] for s in suma) / 25., sum(s[1] for s in suma) / 25., 
+            sum(s[2] for s in suma) / 25.)
+    return suma
-- 
2.4.2