update

language_learning/2020.12.23_plot_with_matplotlib/plot_line.py

@@ -0,0 +1,30 @@
+import numpy as np
+# import os
+# os.chdir('D:/data')  # 设置文件保存的位置
+
+
+def main():
+    x = np.arange(0.0, 2.0, 0.01)
+    y = 1 + np.sin(2 * np.pi * x)
+    Plot_Line(x,y)
+
+
+def Plot_Line(x,y,filename='a.jpg', titlename='Plot Line'):
+    import matplotlib.pyplot as plt
+    fig, ax = plt.subplots()
+    plt.subplots_adjust(bottom=0.20, left=0.16) 
+    ax.plot(x, y, '-o')
+    ax.grid()
+    ax.set_title(titlename, fontsize=20, fontfamily='Times New Roman')
+    ax.set_xlabel('x', fontsize=30, fontfamily='Times New Roman') # 坐标标签
+    ax.set_ylabel('y', fontsize=30, fontfamily='Times New Roman') # 坐标标签
+    ax.tick_params(labelsize=20)  # 设置刻度值字体大小
+    labels = ax.get_xticklabels() + ax.get_yticklabels()
+    [label.set_fontname('Times New Roman') for label in labels] # 设置刻度值字体
+    # plt.savefig(filename, dpi=800) # 保存图片文件
+    plt.show()
+    plt.close('all')  # 关闭所有plt，防止循环画图时占用内存
+
+
+if __name__ == '__main__':
+    main()