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# FH的python代码
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# 文本分析和图像识别
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# 开发时间 2023/7/17 16:40
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import math
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import fractaltree
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def run_Y_tree():
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# Y形分形树函数
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def Y_tree(depth, percent, left_angle, right_angle, start_point, angle, length, canvas):
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if depth == 0:
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return
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end_point = (start_point[0] + length * math.cos(math.radians(angle)),
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start_point[1] - length * math.sin(math.radians(angle)))
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canvas.create_line(start_point, end_point, fill='LightBlue4', width=2)
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# canvas.update()
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# canvas.after(1)
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Y_tree(depth - 1, percent, left_angle, right_angle, end_point, angle + right_angle, length * percent,
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canvas) # 画右枝
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Y_tree(depth - 1, percent, left_angle, right_angle, end_point, angle - left_angle, length * percent,
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canvas) # 画左枝
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# print(start_point,end_point)
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# 清除画布
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cv_big.delete("all")
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# 将初始参数传入函数
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Y_tree(finishLevel_Y, treePercent_Y, leftAngle_Y, rightAngle_Y, initPoint_Y, initAngle_Y, initLong_Y, cv_big)
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output_text.delete("1.0", "end")
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# 在底部的结果输出框输出分形树的绘制参数
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text = " 结果输出：<分形绘制参数的字符串形式输出>\n finishLevel={}, treePercent={}, leftAngle={}, rightAngle={}, " \
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"initPoint={}, initAngle={}, initLong={}".format(finishLevel_Y, treePercent_Y, leftAngle_Y,
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rightAngle_Y, initPoint_Y, initAngle_Y, initLong_Y)
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output_text.insert(tk.INSERT, text)
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# 三角形分形树执行函数(倒的坐标系)
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def run_Triangle_tree():
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# 三角形分形树函数
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def Triangle_tree(depth, percent, start_point, angle, length, canvas):
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if depth == 0:
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return
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# 左枝点
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end_point1 = (start_point[0] - length * math.sin(math.radians(angle)),
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start_point[1] - length * math.cos(math.radians(angle)))
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# 右枝点
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end_point2 = (start_point[0] + length * math.sin(math.radians(angle)),
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start_point[1] - length * math.cos(math.radians(angle)))
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# 画三角形
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canvas.create_polygon(start_point, end_point1, end_point2, fill='LightBlue4', outline='white')
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# 画左枝
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Triangle_tree(depth - 1, percent, end_point1, angle, length * percent, canvas)
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# 画右枝
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Triangle_tree(depth - 1, percent, end_point2, angle, length * percent, canvas)
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# canvas.update()
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# canvas.after(10)
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# 方形分形树执行函数
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def run_Rect_tree():
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# 方形分形树函数
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def Rect_tree(depth, point1, point2, angle, canvas):
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# 直线的旋转，point1是定点
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def rotate(point1, point2, angle):
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x1, y1 = point1[0], point1[1]
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x2, y2 = point2[0], point2[1]
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x = x1 + (x2 - x1) * math.cos(math.radians(angle)) + (y2 - y1) * math.sin(math.radians(angle))
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y = y1 + (y2 - y1) * math.cos(math.radians(angle)) - (x2 - x1) * math.sin(math.radians(angle))
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point = (x, y)
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# print(point)
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return point
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# 直线的缩放，point1是定点
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def zoom(point1, point2, ratio):
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x1, y1 = point1[0], point1[1]
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x2, y2 = point2[0], point2[1]
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x = x1 + (x2 - x1) * ratio
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y = y1 + (y2 - y1) * ratio
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point = (x, y)
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return point
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point3 = rotate(point1, point2, 90)
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point4 = rotate(point2, point1, 270)
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# print(point1,point2,point3,point4)
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# 画正方形
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canvas.create_polygon(point1, point2, point4, point3, fill='LightBlue4', outline='white')
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if depth == 0:
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return
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point = rotate(point3, point4, angle) # 旋转
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point = zoom(point3, point, math.cos(math.radians(angle))) # 缩放
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Rect_tree(depth - 1, point, point4, angle, canvas) # 画左枝
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Rect_tree(depth - 1, point3, point, angle, canvas) # 画右枝 |
