def __init__(self):
"""App for creating KD tree dynamically."""
self.tree = KDTree()
master = tkinter.Tk()
master.maxsize(width=Size, height=Size + 26)
master.minsize(width=Size, height=Size + 26)
master.title('KD Tree Drawing Application')
self.w = tkinter.Frame(master, width=Size, height=Size + 26)
self.canvas = tkinter.Canvas(self.w, width=Size, height=Size)
self.paint()
b = tkinter.Button(master, text="Reset", command=self.reset)
b.pack()
self.canvas.bind("<Button-1>", self.click)
self.canvas.pack()
self.w.pack()
def __init__(self):
"""App for creating KD tree dynamically."""
self.tree = KDTree()
master = tkinter.Tk()
master.maxsize(width=Size, height=Size+26)
master.minsize(width=Size, height=Size+26)
master.title('KD Tree Drawing Application')
self.w = tkinter.Frame(master, width=Size, height=Size+26)
self.canvas = tkinter.Canvas(self.w, width=Size, height=Size)
self.paint()
b = tkinter.Button(master, text="Reset", command=self.reset)
b.pack()
self.canvas.bind("<Button-1>", self.click)
self.canvas.pack()
self.w.pack()
def reset(self):
"""Reset to initial state."""
self.tree = KDTree()
self.paint()
class KDTreeApp:
def __init__(self):
"""App for creating KD tree dynamically."""
self.tree = KDTree()
master = tkinter.Tk()
master.maxsize(width=Size, height=Size + 26)
master.minsize(width=Size, height=Size + 26)
master.title('KD Tree Drawing Application')
self.w = tkinter.Frame(master, width=Size, height=Size + 26)
self.canvas = tkinter.Canvas(self.w, width=Size, height=Size)
self.paint()
b = tkinter.Button(master, text="Reset", command=self.reset)
b.pack()
self.canvas.bind("<Button-1>", self.click)
self.canvas.pack()
self.w.pack()
def reset(self):
"""Reset to initial state."""
self.tree = KDTree()
self.paint()
def toCartesian(self, y):
"""Convert tkinter point into Cartesian."""
return Size - y
def toTk(self, y):
"""Convert Cartesian into tkinter point."""
if y == maxValue: return 0
tk_y = Size
if y != minValue:
tk_y -= y
return tk_y
def click(self, event):
"""Add point to KDtree."""
p = (event.x, self.toCartesian(event.y))
self.tree.add(p)
self.paint()
def drawPartition(self, r, p, orient):
"""Draw partitioning line and points itself as a small square."""
if orient == VERTICAL:
self.canvas.create_line(p[X], self.toTk(r.y_min), p[X],
self.toTk(r.y_max))
else:
xlow = r.x_min
if r.x_min <= minValue: xlow = 0
xhigh = r.x_max
if r.x_max >= maxValue: xhigh = Size
self.canvas.create_line(xlow, self.toTk(p[Y]), xhigh,
self.toTk(p[Y]))
self.canvas.create_rectangle(p[X] - BoxSize,
self.toTk(p[Y]) - BoxSize,
p[X] + BoxSize,
self.toTk(p[Y]) + BoxSize,
fill='Black')
def visit(self, n):
"""Visit node to paint properly."""
if n == None: return
self.drawPartition(n.region, n.point, n.orient)
self.visit(n.below)
self.visit(n.above)
def paint(self):
"""Paint KD Tree by visiting all nodes."""
self.canvas.delete(tkinter.ALL)
self.visit(self.tree.root)
def reset(self):
"""Reset to initial state."""
self.tree = KDTree()
self.paint()
class KDTreeApp:
def __init__(self):
"""App for creating KD tree dynamically."""
self.tree = KDTree()
master = tkinter.Tk()
master.maxsize(width=Size, height=Size+26)
master.minsize(width=Size, height=Size+26)
master.title('KD Tree Drawing Application')
self.w = tkinter.Frame(master, width=Size, height=Size+26)
self.canvas = tkinter.Canvas(self.w, width=Size, height=Size)
self.paint()
b = tkinter.Button(master, text="Reset", command=self.reset)
b.pack()
self.canvas.bind("<Button-1>", self.click)
self.canvas.pack()
self.w.pack()
def reset(self):
"""Reset to initial state."""
self.tree = KDTree()
self.paint()
def toCartesian(self, y):
"""Convert tkinter point into Cartesian."""
return Size - y
def toTk(self,y):
"""Convert Cartesian into tkinter point."""
if y == maxValue: return 0
tk_y = Size
if y != minValue:
tk_y -= y
return tk_y
def click(self, event):
"""Add point to KDtree."""
p = (event.x, self.toCartesian(event.y))
self.tree.add(p)
self.paint()
def drawPartition (self, r, p, orient):
"""Draw partitioning line and points itself as a small square."""
if orient == VERTICAL:
self.canvas.create_line(p[X], self.toTk(r.y_min), p[X], self.toTk(r.y_max))
else:
xlow = r.x_min
if r.x_min <= minValue: xlow = 0
xhigh = r.x_max
if r.x_max >= maxValue: xhigh = Size
self.canvas.create_line(xlow, self.toTk(p[Y]), xhigh, self.toTk(p[Y]))
self.canvas.create_rectangle(p[X] - BoxSize, self.toTk(p[Y]) - BoxSize,
p[X] + BoxSize, self.toTk(p[Y]) + BoxSize,
fill='Black')
def visit (self, n):
"""Visit node to paint properly."""
if n == None: return
self.drawPartition(n.region, n.point, n.orient)
self.visit (n.below)
self.visit (n.above)
def paint(self):
"""Paint KD Tree by visiting all nodes."""
self.canvas.delete(tkinter.ALL)
self.visit(self.tree.root)
