43 lines
2.0 KiB
Python
43 lines
2.0 KiB
Python
import numpy as np
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# import os
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# os.chdir('D:/data') # 设置文件保存的位置
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def main():
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x = np.arange(-5, 5, 0.25)
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y = np.arange(-5, 5, 0.25)
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X, Y = np.meshgrid(x, y)
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R = np.sqrt(X**2 + Y**2)
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Z = np.sin(R)
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Plot_3D_Surface(x,y,Z)
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def Plot_3D_Surface(x,y,matrix,filename='a.jpg', titlename='Plot 3D Surface'):
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import matplotlib.pyplot as plt
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from matplotlib import cm
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from matplotlib.ticker import LinearLocator
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fig, ax = plt.subplots(subplot_kw={"projection": "3d"})
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plt.subplots_adjust(bottom=0.1, right=0.65) # 调整位置
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x, y = np.meshgrid(x, y)
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surf = ax.plot_surface(x, y, matrix, cmap=cm.coolwarm, linewidth=0, antialiased=False) # Plot the surface.
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ax.set_title(titlename, fontsize=20, fontfamily='Times New Roman')
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ax.set_xlabel('x', fontsize=30, fontfamily='Times New Roman') # 坐标标签
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ax.set_ylabel('y', fontsize=30, fontfamily='Times New Roman') # 坐标标签
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ax.set_zlabel('z', fontsize=30, fontfamily='Times New Roman') # 坐标标签
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# ax.set_zlim(-1, 1) # 设置z轴的范围
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ax.zaxis.set_major_locator(LinearLocator(5)) # 设置z轴主刻度的个数
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ax.zaxis.set_major_formatter('{x:.2f}') # 设置z轴主刻度的格式
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ax.tick_params(labelsize=15) # 设置刻度值字体大小
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labels = ax.get_xticklabels() + ax.get_yticklabels() + ax.get_zticklabels()
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[label.set_fontname('Times New Roman') for label in labels] # 设置刻度值字体
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cax = plt.axes([0.75, 0.15, 0.05, 0.75]) # color bar的位置 [左，下，宽度， 高度]
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cbar = fig.colorbar(surf, cax=cax) # color bar
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cbar.ax.tick_params(labelsize=15) # 设置color bar刻度的字体大小
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[l.set_family('Times New Roman') for l in cbar.ax.yaxis.get_ticklabels()] # 设置color bar刻度的字体
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# plt.savefig(filename, dpi=800) # 保存图片文件
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plt.show()
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plt.close('all') # 关闭所有plt，防止循环画图时占用内存
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if __name__ == '__main__':
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main() |