auto save

meiguihua.py

+import numpy as np
+import matplotlib.pyplot as plt
+from matplotlib import cm
+# 创建figure窗口及axes坐标区域
+fig = plt.figure()
+ax = plt.axes(projection='3d')
+# 构造玫瑰花曲面
+x = np.linspace(0, 1, 200)
+theta = np.linspace(-2*np.pi, 15*np.pi, 300)
+[x, theta]=np.meshgrid(x, theta)
+phi = (np.pi/2)*np.exp(-theta/8/np.pi)
+X = 1-.5*pow(1.25*pow(1-np.mod(3.6*theta,2*np.pi)/np.pi, 2)-1/4, 2)
+y = 1.95653*pow(x, 2)*pow(1.27689*x-1,2)*np.sin(phi)
+r = X*(x*np.sin(phi)+y*np.cos(phi))
+h = X*(x*np.cos(phi)-y*np.sin(phi))
+# 设置颜色并绘制曲面
+c = cm.get_cmap('magma')
+surf = ax.plot_surface(r * np.cos(theta), r * np.sin(theta), h, rstride=1, cstride=1,
+cmap= c, linewidth=0, antialiased=True)
+# 减小空白区域并绘图
+ax.set_position((0,0,1,1))
+plt.show()

yinghuashu.py

+import turtle,random
+def tree(branchLen,t):
+    if branchLen > 3:
+        if 8<= branchLen <=12:
+            if random.randint(0,2) == 0:
+                t.color('snow') 
+            else:
+                t.color('lightcoral') 
+            t.pensize(branchLen / 3)
+        elif branchLen < 8:
+            if random.randint(0,1) == 0:
+                t.color('snow')
+            else:
+                t.color('lightcoral')
+            t.pensize(branchLen / 2)
+        else:
+            t.color('sienna') 
+            t.pensize(branchLen / 10) 
+        t.forward(branchLen)
+        a = 1.5 * random.random()
+        t.right(20*a)
+        b = 1.5 * random.random()
+        tree(branchLen-10*b, t)
+        t.left(40*a)
+        tree(branchLen-10*b, t)
+        t.right(20*a)
+        t.up()
+        t.backward(branchLen)
+        t.down()
+
+
+def petal(m,t):
+    for i in range(m):
+        a = 200 - 400 * random.random()
+        b = 10 - 20 * random.random()
+        t.up()
+        t.forward(b)
+        t.left(90)
+        t.forward(a)
+        t.down()
+      
+        t.color('pink') 
+        t.circle(1)
+        t.up()
+        t.backward(a)
+        t.right(90)
+        t.backward(b)
+
+def main():
+   
+    t = turtle.Turtle()
+   
+    w = turtle.Screen()
+    t.hideturtle() 
+    turtle.getscreen().tracer(5, 0)
+    w.screensize(bg='wheat') 
+    t.left(90)
+    t.up()
+    t.backward(150)
+    t.down()
+    t.color('sienna')
+
+
+    tree(60,t)
+
+    petal(200,t)
+    w.exitonclick()
+
+main()
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