操作方法
首先,奉上圆的公式:
接着我们使用matplotlib建立画布:
圆面的第一种实现方法:
圆面第一种的效果如下:
圆面的第二种实现方法:
圆面第二种的效果如下:
圆面的第三种实现方法:
圆面第三种的效果如下:
源码
import numpy as np import matplotlib.pyplot as plt # 该行用于设置chart 的样式,可以注掉 plt.style.use("mystyle") fig = plt.figure(figsize=(8,8)) ax = fig.add_subplot(111) ax.spines['left'].set_color('none') ax.spines['bottom'].set_color('none') ax.spines['right'].set_color('none') ax.spines['top'].set_color('none') ax.set_xticks([]) ax.set_yticks([]) # 实现功能 theta = np.arange(0, 2 * np.pi + 0.1,2 * np.pi / 1000) x = np.cos(theta) y = np.sin(theta) v = np.linspace(0, 10, 100) v.shape = (100, 1) x = v * x y = v * y plt.plot(x, y, color='red') plt.show()
import numpy as np import matplotlib.pyplot as plt # 该行用于设置chart 的样式,可以注掉 plt.style.use("mystyle") fig = plt.figure(figsize=(8,8)) ax = fig.add_subplot(111) ax.spines['left'].set_color('none') ax.spines['bottom'].set_color('none') ax.spines['right'].set_color('none') ax.spines['top'].set_color('none') ax.set_xticks([]) ax.set_yticks([]) # 实现功能 theta = np.arange(0, 2 * np.pi, 2 * np.pi / 100) theta = np.append(theta, [2 * np.pi]) x = np.cos(theta) y = np.sin(theta) v = np.linspace(0, 10, 100) for r in v: x1 = r * x y1 = r * y plt.plot(x1, y1) plt.show()
import numpy as np import matplotlib.pyplot as plt from matplotlib import colors # 该行用于设置chart 的样式,可以注掉 plt.style.use("mystyle") fig = plt.figure(figsize=(8,8)) ax = fig.add_subplot(111) ax.spines['left'].set_color('none') ax.spines['bottom'].set_color('none') ax.spines['right'].set_color('none') ax.spines['top'].set_color('none') ax.set_xticks([]) ax.set_yticks([]) theta = np.arange(0, 2 * np.pi, 2 * np.pi / 1000) theta = np.append(theta, [2 * np.pi]) v = np.linspace(0, 10, 10) mx = np.max(theta) for tha in theta: x1 = v * np.cos(tha) y1 = v * np.sin(tha) c = tha / mx plt.plot(x1, y1,color=(x1[0], c, y1[0])) plt.show()