python打开csv文件画散点图_python读取csv文件数据并绘制成折线图

#用python绘制工件的图像

import pandas as pd

import numpy as np

import matplotlib.pyplot as plt

from mpl_toolkits.mplot3d import Axes3D

csv_data = np.loadtxt(open('/home/yifei/Proj/PythonProj/getboundary/csvs/fozi.csv',"rb"),delimiter=",",skiprows=0)

np.argsort(csv_data, axis=0)#排序

a,b=csv_data.shape

print(a,b)

# plt.xlabel('x')

# plt.ylabel('y')

# plt.title('Data')

# plt.legend()

# tidu=1000

# qq=a/tidu

# for j in range(0,int(qq)):

#     x, y = csv_data[tidu*j:tidu*j+tidu, 0], csv_data[tidu*j:tidu*j+tidu, 1]

#     #plt.scatter(x, y, s=0.01, c="#0000ff", marker='o')

#     plt.plot(x, y, '*', label='Data', color='black')

#     plt.show()

#绘制散点图

x, y = csv_data[:, 0], csv_data[:,