Changeset - fc8be31ce773
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Laman - 9 years ago 2015-11-23 22:05:03

added intensity slider
5 files changed with 27 insertions and 16 deletions:
.hgignore
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readme.md
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src/corners.py
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src/gui.py
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src/image_analyzer.py
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.hgignore
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^src/__pycache__/
 
\ No newline at end of file
 
^src/__pycache__/
 
^\.idea/
 
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readme.md
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@@ -10,7 +10,7 @@ Modules:
 
  * Watcher: interpreting sequence of game positions as a sequence of moves.
 
  * Broadcaster: interfacing with a go server.
 
 
Written for Python 3.4.3. Dependencies: Pillow 2.7.0, NumPy 1.9.2. Start gui.py to run.
 
Written for Python 3.5.0. Dependencies: Pillow 2.7.0, NumPy 1.10.0. Start gui.py to run.
 
 
Licensed under GNU GPL v2.0 or later. See license.txt. Relicensing possible, don't hesitate to ask.
 
src/corners.py
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@@ -44,6 +44,9 @@ class Corners:
 
  #  For four points ABCD, there are 24 possible permutations corresponding to the desired KLMN.
 
  #  When we relax the condition of K being the upper left one, we get six groups of four equivalent permutations. KLMN ~ LMNK ~ MNKL ~ NKLM.
 
  #
 
  #  We determine which of the points' triplets are oriented clockwise and which counter-clockwise (minus/plus in the table below)
 
  #  and swap them so that all triangles turn counter-clockwise.
 
  #
 
  #  xxxx -> KLMN | ABC | ABD | ACD | BCD | index | swap
 
  #  ------------ | :-: | :-: | :-: | :-: | ----: | ----
 
  #  A BCD        |  +  |  +  |  +  |  +  |    15 | 0
 
@@ -69,7 +72,7 @@ class Corners:
 
    if any(x==0 for x in (abc,abd,acd,bcd)): return False # collinear degenerate
 
 
    swaps=[(1,3),(0,1),(1,2),(0,3),(2,3),(0,0)]
 
    index=(8 if abc>0 else 0)+(4 if abd>0 else 0)+(2 if acd>0 else 0)+(1 if bcd>0 else 0)
 
    index=(8 if abc>0 else 0)|(4 if abd>0 else 0)|(2 if acd>0 else 0)|(1 if bcd>0 else 0)
 
    if index%3!=0: return False # concave degenerate
 
    swap=swaps[index//3]
 
 
@@ -88,11 +91,3 @@ class Corners:
 
    self.corners=self.corners[kIndex:]+self.corners[:kIndex] # rotate the upper left corner to the first place
 
 
    return True # success
 
 
# import itertools
 
# points=[(10,8),(8,10),(12,10),(10,12)]
 
# for perm in itertools.permutations(points):
 
  # corn=Corners()
 
  # for p in perm: corn.add(p[0],p[1])
 
  # print(corn.canonizeOrder())
 
  # print(corn.corners)
src/gui.py
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@@ -34,6 +34,15 @@ class Application(tk.Frame):
 
    self.boardView=BoardView(self)
 
    self.boardView.grid(column=1,row=0)
 
 
    # more controls below the board
 
    self.scaleTresB=tk.Scale(self, orient=tk.HORIZONTAL, length=200, from_=0.0, to=100.0, command=lambda x: self.redrawImgView())
 
    self.scaleTresW=tk.Scale(self, orient=tk.HORIZONTAL, length=200, from_=0.0, to=100.0, command=lambda x: self.redrawImgView())
 
    self.scaleTresB.set(30.0)
 
    self.scaleTresW.set(60.0)
 
    self.scaleTresB.grid(column=0,row=1,columnspan=2)
 
    self.scaleTresW.grid(column=0,row=2,columnspan=2)
 
 
    # render everything
 
    self.redrawImgView()
 
 
  ## Stores a grid corner located at x,y coordinates.
 
@@ -67,10 +76,12 @@ class Application(tk.Frame):
 
    widthRatio=origWidth/self.img.width()
 
    heightRatio=origHeight/self.img.height()
 
    sizeCoef=max(widthRatio,heightRatio)
 
    tresB=self.scaleTresB.get()
 
    tresW=self.scaleTresW.get()
 
 
    shift=EPoint(origWidth-self.img.width()*sizeCoef,origHeight-self.img.height()*sizeCoef)/2
 
 
    self.boardView.redrawState(self.imgOrig,sizeCoef,shift)
 
    self.boardView.redrawState(self.imgOrig,sizeCoef,shift,tresB,tresW)
 
 
  ## Marks a point at the image with a green cross. Used for corners.
 
  def markPoint(self,x,y):
 
@@ -93,8 +104,12 @@ class BoardView(tk.Canvas):
 
 
    self.grid()
 
 
  def redrawState(self,img,sizeCoef,shift):
 
    self.detector.analyze(img,30,65,sizeCoef,shift)
 
  ## Redraws and reananalyzes the board view.
 
  #
 
  # @param tresB upper intensity treshold for a pixel to be considered black, [0-100]
 
  # @param tresW lower intensity treshold for a pixel to be considered white, [0-100]
 
  def redrawState(self,img,sizeCoef,shift,tresB,tresW):
 
    self.detector.analyze(img,tresB,tresW,sizeCoef,shift)
 
 
    for r,row in enumerate(self.detector.board):
 
      for c,point in enumerate(row):
src/image_analyzer.py
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@@ -24,8 +24,8 @@ class ImageAnalyzer:
 
  def analyzePoint(self,image,imageCoords,stoneWidth,stoneHeight,tresB,tresW):
 
    b=w=e=0
 
 
    cmax=max(int(stoneWidth*2//5),2)
 
    rmax=max(int(stoneHeight*2//5),2)
 
    cmax=max(int(stoneWidth*2//7),2) # !! optimal parameters subject to further research
 
    rmax=max(int(stoneHeight*2//7),2)
 
 
    for r in range(-rmax,rmax+1):
 
      for c in range(-cmax,cmax+1):
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