I am trying to plot using the attached file data file, "wan_band.dat". In the past, I also found the same error. But somehow it was resolved automatically. Again, I stuck with it. I am not able to understand the reason for the issue. The error is mentioned in the attached image, "Reshape-error.PNG".
I am using the Python code to plot using the commands as,
import matplotlib.pyplot as plt
from matplotlib import rcParamsDefault
import numpy as np
%matplotlib inline
import os # To load image/data from path. #### ##################################################################################################
plt.rcParams["figure.dpi"]=150
plt.rcParams["figure.facecolor"]="white"
plt.rcParams["figure.figsize"]=(8, 6) ################################################################################################## ##################################################################################################
data = np.loadtxt("../wannier90/wan_band.dat")
k = np.unique(data[:, 0])
bands = np.reshape(data[:, 1], (-1, len(k)))
for band in range(len(bands)):
plt.plot(k, bands[band, :], "o-", markersize=5, linewidth=2, alpha=0.8, color='b', linestyle='-')
plt.xlim(min(k), max(k))
plt.xlim(0, 3.81842), plt.ylim(-8, 8)
##################################################################################################
plt.rc('ytick',labelsize=20),
plt.rc('xtick',labelsize=20),
plt.show() ##################################################################################################
I have a guess that the error has occurred cause of "bands = np.reshape(data[:, 1], (-1, len(k)))", but not able to understand.
Please help me about the same.
Thank you Josnier Ramos Guardarrama for your response. I have tried it, not able to work. It shows a blank plot with the error shown in the attached image.
I am using the same code mentioned by "Josnier Ramos Guardarrama".
```
import matplotlib.pyplot as plt
from matplotlib import rcParamsDefault
import numpy as np
%matplotlib inline
import os # To load image/data from path. ####
plt.rcParams["figure.dpi"]=150
plt.rcParams["figure.facecolor"]="white"
plt.rcParams["figure.figsize"]=(8, 6)
data = np.loadtxt("../wannier90/wan_band.dat")
k = np.unique(data[:, 0])
#print("data shape:", data.shape)
#print("k shape:", k.shape)
# bands = np.reshape(data[:, 1], (-1, len(k)))
bands = np.reshape(data[:, 1], (-1, data.shape[0]))
# for band in range(len(bands)):
for band in range(bands.shape[0]):
# plt.plot(k, bands[band, :]-6.6527, "o-", markersize=5, linewidth=2, alpha=0.5, color='k', linestyle='-')
plt.plot(k, bands[band, :], "o-", markersize=5, linewidth=2, alpha=0.8, color='b', linestyle='-')
plt.xlim(min(k), max(k))
# plt.xlim(0, 3.81842), plt.ylim(-8, 8)
plt.rc('ytick',labelsize=20), plt.rc('xtick',labelsize=20),
plt.show()
```
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