我想运行这个 python 脚本。我在我的主目录中通过以下命令在 linux 中安装了 SDF 阅读器
python -m pip install --upgrade sdf
它似乎安装成功。python脚本如下
import sdf
import matplotlib
matplotlib.use('agg')
import matplotlib.pyplot as plt
import numpy as np
import os
from numpy import ma
from matplotlib import colors, ticker, cm
from matplotlib.mlab import bivariate_normal
from matplotlib.colors import ListedColormap
if __name__ == "__main__":
print ('This is main of module "test2d.py"')
######## Constant defined here ########
pi = 3.1415926535897932384626
q0 = 1.602176565e-19 # C
m0 = 9.10938291e-31 # kg
v0 = 2.99792458e8 # m/s^2
kb = 1.3806488e-23 # J/K
mu0 = 4.0e-7*pi # N/A^2
epsilon0 = 8.8541878176203899e-12 # F/m
h_planck = 6.62606957e-34 # J s
wavelength= 1.0e-6
frequency = v0*2*pi/wavelength
exunit = m0*v0*frequency/q0
bxunit = m0*frequency/q0
denunit = frequency**2*epsilon0*m0/q0**2
print 'electric field unit: '+str(exunit)
print 'magnetic field unit: '+str(bxunit)
print 'density unit nc: '+str(denunit)
font = {'family' : 'helvetica',
'color' : 'black',
'weight' : 'normal',
'size' : 20,
}
n=47
data = sdf.read("./"+str(n).zfill(4)+".sdf",dict=True)
header=data['Header']
time=header['time']
x = data['Grid/Grid_mid'].data[0]/1.0e-6
y = data['Grid/Grid_mid'].data[1]/1.0e-6
y = y[600:1799]
X, Y = np.meshgrid(x, y)
它给了我以下错误:
Traceback (most recent call last):
File "epochvis.py", line 45, in <module>
data = sdf.read("./"+str(n).zfill(4)+".sdf",dict=True)
AttributeError: 'module' object has no attribute 'read'
有任何想法吗?先感谢您。