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# FH的python代码
# 文本分析和图像识别
# 开发时间 2023/7/17 16:40
import math
import fractaltree1
def run_Y_tree():
# Y形分形树函数
def Y_tree(depth, percent, left_angle, right_angle, start_point, angle, length, canvas):
if depth == 0:
return
end_point = (start_point[0] + length * math.cos(math.radians(angle)),
start_point[1] - length * math.sin(math.radians(angle)))
canvas.create_line(start_point, end_point, fill='LightBlue4', width=2)
# canvas.update()
# canvas.after(1)
Y_tree(depth - 1, percent, left_angle, right_angle, end_point, angle + right_angle, length * percent,
canvas) # 画右枝
Y_tree(depth - 1, percent, left_angle, right_angle, end_point, angle - left_angle, length * percent,
canvas) # 画左枝
# print(start_point,end_point)
# 清除画布
cv_big.delete("all")
# 将初始参数传入函数
Y_tree(finishLevel_Y, treePercent_Y, leftAngle_Y, rightAngle_Y, initPoint_Y, initAngle_Y, initLong_Y, cv_big)
output_text.delete("1.0", "end")
# 在底部的结果输出框输出分形树的绘制参数
text = " 结果输出:<分形绘制参数的字符串形式输出>\n finishLevel={}, treePercent={}, leftAngle={}, rightAngle={}, " \
"initPoint={}, initAngle={}, initLong={}".format(finishLevel_Y, treePercent_Y, leftAngle_Y,
rightAngle_Y, initPoint_Y, initAngle_Y, initLong_Y)
output_text.insert(tk.INSERT, text)
# 三角形分形树执行函数(倒的坐标系)
def run_Triangle_tree():
# 三角形分形树函数
def Triangle_tree(depth, percent, start_point, angle, length, canvas):
if depth == 0:
return
# 左枝点
end_point1 = (start_point[0] - length * math.sin(math.radians(angle)),
start_point[1] - length * math.cos(math.radians(angle)))
# 右枝点
end_point2 = (start_point[0] + length * math.sin(math.radians(angle)),
start_point[1] - length * math.cos(math.radians(angle)))
# 画三角形
canvas.create_polygon(start_point, end_point1, end_point2, fill='LightBlue4', outline='white')
# 画左枝
Triangle_tree(depth - 1, percent, end_point1, angle, length * percent, canvas)
# 画右枝
Triangle_tree(depth - 1, percent, end_point2, angle, length * percent, canvas)
# canvas.update()
# canvas.after(10)
# 方形分形树执行函数
def run_Rect_tree():
# 方形分形树函数
def Rect_tree(depth, point1, point2, angle, canvas):
# 直线的旋转point1是定点
def rotate(point1, point2, angle):
x1, y1 = point1[0], point1[1]
x2, y2 = point2[0], point2[1]
x = x1 + (x2 - x1) * math.cos(math.radians(angle)) + (y2 - y1) * math.sin(math.radians(angle))
y = y1 + (y2 - y1) * math.cos(math.radians(angle)) - (x2 - x1) * math.sin(math.radians(angle))
point = (x, y)
# print(point)
return point
# 直线的缩放point1是定点
def zoom(point1, point2, ratio):
x1, y1 = point1[0], point1[1]
x2, y2 = point2[0], point2[1]
x = x1 + (x2 - x1) * ratio
y = y1 + (y2 - y1) * ratio
point = (x, y)
return point
point3 = rotate(point1, point2, 90)
point4 = rotate(point2, point1, 270)
# print(point1,point2,point3,point4)
# 画正方形
canvas.create_polygon(point1, point2, point4, point3, fill='LightBlue4', outline='white')
if depth == 0:
return
point = rotate(point3, point4, angle) # 旋转
point = zoom(point3, point, math.cos(math.radians(angle))) # 缩放
Rect_tree(depth - 1, point, point4, angle, canvas) # 画左枝
Rect_tree(depth - 1, point3, point, angle, canvas) # 画右枝