update
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@ -7,7 +7,6 @@ import numpy as np
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from math import *
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from math import *
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import cmath
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import cmath
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import math
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import math
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import guan
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def hamiltonian(k1, k2, t1=2.82, a=1/sqrt(3)): # 石墨烯哈密顿量(a为原子间距,不赋值的话默认为1/sqrt(3))
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def hamiltonian(k1, k2, t1=2.82, a=1/sqrt(3)): # 石墨烯哈密顿量(a为原子间距,不赋值的话默认为1/sqrt(3))
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@ -21,12 +20,19 @@ def hamiltonian(k1, k2, t1=2.82, a=1/sqrt(3)): # 石墨烯哈密顿量(a为
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def main():
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def main():
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k_array, berry_curvature_array = calculate_berry_curvature_with_wilson_loop(hamiltonian_function=hamiltonian, k_min=-2*math.pi, k_max=2*math.pi, precision_of_plaquettes=500, precision_of_wilson_loop=1)
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k_array, berry_curvature_array = calculate_berry_curvature_with_wilson_loop(hamiltonian_function=hamiltonian, k_min=-2*math.pi, k_max=2*math.pi, precision_of_plaquettes=500, precision_of_wilson_loop=1)
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# k_array, berry_curvature_array = guan.calculate_berry_curvature_with_wilson_loop(hamiltonian_function=hamiltonian, k_min=-2*math.pi, k_max=2*math.pi, precision_of_plaquettes=500, precision_of_wilson_loop=1)
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plot_3d_surface(k_array, k_array, np.real(berry_curvature_array[:, :, 0]), title='Valence Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
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guan.plot_3d_surface(k_array, k_array, np.real(berry_curvature_array[:, :, 0]), title='Valence Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
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plot_3d_surface(k_array, k_array, np.real(berry_curvature_array[:, :, 1]), title='Conductance Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
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guan.plot_3d_surface(k_array, k_array, np.real(berry_curvature_array[:, :, 1]), title='Conductance Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
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dim = berry_curvature_array.shape
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dim = berry_curvature_array.shape
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guan.plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :, 0]), title='Valence Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
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plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :, 0]), title='Valence Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
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guan.plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :, 1]), title='Conductance Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
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plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :, 1]), title='Conductance Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
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# import guan
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# k_array, berry_curvature_array = guan.calculate_berry_curvature_with_wilson_loop(hamiltonian_function=hamiltonian, k_min=-2*math.pi, k_max=2*math.pi, precision_of_plaquettes=500, precision_of_wilson_loop=1)
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# guan.plot_3d_surface(k_array, k_array, np.real(berry_curvature_array[:, :, 0]), title='Valence Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
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# guan.plot_3d_surface(k_array, k_array, np.real(berry_curvature_array[:, :, 1]), title='Conductance Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
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# dim = berry_curvature_array.shape
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# guan.plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :, 0]), title='Valence Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
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# guan.plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :, 1]), title='Conductance Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
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def calculate_berry_curvature_with_wilson_loop(hamiltonian_function, k_min=-math.pi, k_max=math.pi, precision_of_plaquettes=20, precision_of_wilson_loop=5, print_show=0):
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def calculate_berry_curvature_with_wilson_loop(hamiltonian_function, k_min=-math.pi, k_max=math.pi, precision_of_plaquettes=20, precision_of_wilson_loop=5, print_show=0):
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@ -79,5 +85,70 @@ def calculate_berry_curvature_with_wilson_loop(hamiltonian_function, k_min=-math
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return k_array, berry_curvature_array
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return k_array, berry_curvature_array
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def plot_3d_surface(x_array, y_array, matrix, xlabel='x', ylabel='y', zlabel='z', title='', fontsize=20, labelsize=15, show=1, save=0, filename='a', format='jpg', dpi=300, z_min=None, z_max=None, rcount=100, ccount=100):
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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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matrix = np.array(matrix)
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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)
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x_array, y_array = np.meshgrid(x_array, y_array)
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if len(matrix.shape) == 2:
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surf = ax.plot_surface(x_array, y_array, matrix, rcount=rcount, ccount=ccount, cmap=cm.coolwarm, linewidth=0, antialiased=False)
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elif len(matrix.shape) == 3:
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for i0 in range(matrix.shape[2]):
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surf = ax.plot_surface(x_array, y_array, matrix[:,:,i0], rcount=rcount, ccount=ccount, cmap=cm.coolwarm, linewidth=0, antialiased=False)
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ax.set_title(title, fontsize=fontsize, fontfamily='Times New Roman')
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ax.set_xlabel(xlabel, fontsize=fontsize, fontfamily='Times New Roman')
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ax.set_ylabel(ylabel, fontsize=fontsize, fontfamily='Times New Roman')
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ax.set_zlabel(zlabel, fontsize=fontsize, fontfamily='Times New Roman')
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ax.zaxis.set_major_locator(LinearLocator(5))
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ax.zaxis.set_major_formatter('{x:.2f}')
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if z_min!=None or z_max!=None:
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if z_min==None:
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z_min=matrix.min()
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if z_max==None:
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z_max=matrix.max()
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ax.set_zlim(z_min, z_max)
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ax.tick_params(labelsize=labelsize)
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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]
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cax = plt.axes([0.8, 0.1, 0.05, 0.8])
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cbar = fig.colorbar(surf, cax=cax)
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cbar.ax.tick_params(labelsize=labelsize)
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for l in cbar.ax.yaxis.get_ticklabels():
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l.set_family('Times New Roman')
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if save == 1:
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plt.savefig(filename+'.'+format, dpi=dpi)
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if show == 1:
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plt.show()
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plt.close('all')
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def plot(x_array, y_array, xlabel='x', ylabel='y', title='', fontsize=20, labelsize=20, show=1, save=0, filename='a', format='jpg', dpi=300, style='', y_min=None, y_max=None, linewidth=None, markersize=None, adjust_bottom=0.2, adjust_left=0.2):
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import matplotlib.pyplot as plt
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fig, ax = plt.subplots()
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plt.subplots_adjust(bottom=adjust_bottom, left=adjust_left)
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ax.grid()
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ax.tick_params(labelsize=labelsize)
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labels = ax.get_xticklabels() + ax.get_yticklabels()
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[label.set_fontname('Times New Roman') for label in labels]
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ax.plot(x_array, y_array, style, linewidth=linewidth, markersize=markersize)
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ax.set_title(title, fontsize=fontsize, fontfamily='Times New Roman')
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ax.set_xlabel(xlabel, fontsize=fontsize, fontfamily='Times New Roman')
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ax.set_ylabel(ylabel, fontsize=fontsize, fontfamily='Times New Roman')
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if y_min!=None or y_max!=None:
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if y_min==None:
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y_min=min(y_array)
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if y_max==None:
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y_max=max(y_array)
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ax.set_ylim(y_min, y_max)
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if save == 1:
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plt.savefig(filename+'.'+format, dpi=dpi)
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if show == 1:
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plt.show()
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plt.close('all')
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if __name__ == '__main__':
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if __name__ == '__main__':
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main()
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main()
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@ -7,7 +7,6 @@ import numpy as np
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from math import *
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from math import *
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import cmath
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import cmath
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import math
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import math
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import guan
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def hamiltonian(k1, k2, t1=2.82, a=1/sqrt(3)): # 石墨烯哈密顿量(a为原子间距,不赋值的话默认为1/sqrt(3))
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def hamiltonian(k1, k2, t1=2.82, a=1/sqrt(3)): # 石墨烯哈密顿量(a为原子间距,不赋值的话默认为1/sqrt(3))
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@ -21,16 +20,27 @@ def hamiltonian(k1, k2, t1=2.82, a=1/sqrt(3)): # 石墨烯哈密顿量(a为
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def main():
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def main():
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k_array, berry_curvature_array = calculate_berry_curvature_with_wilson_loop_for_degenerate_case(hamiltonian_function=hamiltonian, index_of_bands=[0], k_min=-2*math.pi, k_max=2*math.pi, precision_of_plaquettes=500, precision_of_wilson_loop=1)
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k_array, berry_curvature_array = calculate_berry_curvature_with_wilson_loop_for_degenerate_case(hamiltonian_function=hamiltonian, index_of_bands=[0], k_min=-2*math.pi, k_max=2*math.pi, precision_of_plaquettes=500, precision_of_wilson_loop=1)
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# k_array, berry_curvature_array = guan.calculate_berry_curvature_with_wilson_loop_for_degenerate_case(hamiltonian_function=hamiltonian, index_of_bands=[0], k_min=-2*math.pi, k_max=2*math.pi, precision_of_plaquettes=500, precision_of_wilson_loop=1)
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dim = berry_curvature_array.shape
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dim = berry_curvature_array.shape
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guan.plot_3d_surface(k_array, k_array, np.real(berry_curvature_array), title='Valence Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
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plot_3d_surface(k_array, k_array, np.real(berry_curvature_array), title='Valence Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
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guan.plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :]), title='Valence Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
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plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :]), title='Valence Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
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k_array, berry_curvature_array = calculate_berry_curvature_with_wilson_loop_for_degenerate_case(hamiltonian_function=hamiltonian, index_of_bands=[0, 1], k_min=-2*math.pi, k_max=2*math.pi, precision_of_plaquettes=500, precision_of_wilson_loop=1)
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k_array, berry_curvature_array = calculate_berry_curvature_with_wilson_loop_for_degenerate_case(hamiltonian_function=hamiltonian, index_of_bands=[0, 1], k_min=-2*math.pi, k_max=2*math.pi, precision_of_plaquettes=500, precision_of_wilson_loop=1)
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# k_array, berry_curvature_array = guan.calculate_berry_curvature_with_wilson_loop_for_degenerate_case(hamiltonian_function=hamiltonian, index_of_bands=[0, 1], k_min=-2*math.pi, k_max=2*math.pi, precision_of_plaquettes=500, precision_of_wilson_loop=1)
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dim = berry_curvature_array.shape
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dim = berry_curvature_array.shape
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guan.plot_3d_surface(k_array, k_array, np.real(berry_curvature_array), title='All Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
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plot_3d_surface(k_array, k_array, np.real(berry_curvature_array), title='All Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
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guan.plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :]), title='All Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
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plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :]), title='All Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
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# import guan
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# k_array, berry_curvature_array = guan.calculate_berry_curvature_with_wilson_loop_for_degenerate_case(hamiltonian_function=hamiltonian, index_of_bands=[0], k_min=-2*math.pi, k_max=2*math.pi, precision_of_plaquettes=500, precision_of_wilson_loop=1)
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# dim = berry_curvature_array.shape
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# guan.plot_3d_surface(k_array, k_array, np.real(berry_curvature_array), title='Valence Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
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# guan.plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :]), title='Valence Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
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# k_array, berry_curvature_array = guan.calculate_berry_curvature_with_wilson_loop_for_degenerate_case(hamiltonian_function=hamiltonian, index_of_bands=[0, 1], k_min=-2*math.pi, k_max=2*math.pi, precision_of_plaquettes=500, precision_of_wilson_loop=1)
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# dim = berry_curvature_array.shape
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# guan.plot_3d_surface(k_array, k_array, np.real(berry_curvature_array), title='All Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
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# guan.plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :]), title='All Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
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def calculate_berry_curvature_with_wilson_loop_for_degenerate_case(hamiltonian_function, index_of_bands=[0, 1], k_min=-math.pi, k_max=math.pi, precision_of_plaquettes=20, precision_of_wilson_loop=5, print_show=0):
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def calculate_berry_curvature_with_wilson_loop_for_degenerate_case(hamiltonian_function, index_of_bands=[0, 1], k_min=-math.pi, k_max=math.pi, precision_of_plaquettes=20, precision_of_wilson_loop=5, print_show=0):
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@ -98,5 +108,70 @@ def calculate_berry_curvature_with_wilson_loop_for_degenerate_case(hamiltonian_f
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return k_array, berry_curvature_array
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return k_array, berry_curvature_array
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def plot_3d_surface(x_array, y_array, matrix, xlabel='x', ylabel='y', zlabel='z', title='', fontsize=20, labelsize=15, show=1, save=0, filename='a', format='jpg', dpi=300, z_min=None, z_max=None, rcount=100, ccount=100):
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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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matrix = np.array(matrix)
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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)
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x_array, y_array = np.meshgrid(x_array, y_array)
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if len(matrix.shape) == 2:
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surf = ax.plot_surface(x_array, y_array, matrix, rcount=rcount, ccount=ccount, cmap=cm.coolwarm, linewidth=0, antialiased=False)
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elif len(matrix.shape) == 3:
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for i0 in range(matrix.shape[2]):
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surf = ax.plot_surface(x_array, y_array, matrix[:,:,i0], rcount=rcount, ccount=ccount, cmap=cm.coolwarm, linewidth=0, antialiased=False)
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ax.set_title(title, fontsize=fontsize, fontfamily='Times New Roman')
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ax.set_xlabel(xlabel, fontsize=fontsize, fontfamily='Times New Roman')
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ax.set_ylabel(ylabel, fontsize=fontsize, fontfamily='Times New Roman')
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ax.set_zlabel(zlabel, fontsize=fontsize, fontfamily='Times New Roman')
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ax.zaxis.set_major_locator(LinearLocator(5))
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ax.zaxis.set_major_formatter('{x:.2f}')
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if z_min!=None or z_max!=None:
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if z_min==None:
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z_min=matrix.min()
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if z_max==None:
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z_max=matrix.max()
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ax.set_zlim(z_min, z_max)
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ax.tick_params(labelsize=labelsize)
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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]
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cax = plt.axes([0.8, 0.1, 0.05, 0.8])
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cbar = fig.colorbar(surf, cax=cax)
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cbar.ax.tick_params(labelsize=labelsize)
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for l in cbar.ax.yaxis.get_ticklabels():
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l.set_family('Times New Roman')
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if save == 1:
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plt.savefig(filename+'.'+format, dpi=dpi)
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if show == 1:
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plt.show()
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plt.close('all')
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def plot(x_array, y_array, xlabel='x', ylabel='y', title='', fontsize=20, labelsize=20, show=1, save=0, filename='a', format='jpg', dpi=300, style='', y_min=None, y_max=None, linewidth=None, markersize=None, adjust_bottom=0.2, adjust_left=0.2):
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import matplotlib.pyplot as plt
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fig, ax = plt.subplots()
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plt.subplots_adjust(bottom=adjust_bottom, left=adjust_left)
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ax.grid()
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ax.tick_params(labelsize=labelsize)
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labels = ax.get_xticklabels() + ax.get_yticklabels()
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[label.set_fontname('Times New Roman') for label in labels]
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ax.plot(x_array, y_array, style, linewidth=linewidth, markersize=markersize)
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ax.set_title(title, fontsize=fontsize, fontfamily='Times New Roman')
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ax.set_xlabel(xlabel, fontsize=fontsize, fontfamily='Times New Roman')
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ax.set_ylabel(ylabel, fontsize=fontsize, fontfamily='Times New Roman')
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if y_min!=None or y_max!=None:
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if y_min==None:
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y_min=min(y_array)
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if y_max==None:
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y_max=max(y_array)
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ax.set_ylim(y_min, y_max)
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if save == 1:
|
||||||
|
plt.savefig(filename+'.'+format, dpi=dpi)
|
||||||
|
if show == 1:
|
||||||
|
plt.show()
|
||||||
|
plt.close('all')
|
||||||
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
if __name__ == '__main__':
|
||||||
main()
|
main()
|
@ -6,10 +6,8 @@ The newest version of this code is on the web page: https://www.guanjihuan.com/a
|
|||||||
import numpy as np
|
import numpy as np
|
||||||
from math import *
|
from math import *
|
||||||
import cmath
|
import cmath
|
||||||
import guan
|
|
||||||
import math
|
import math
|
||||||
|
|
||||||
|
|
||||||
def hamiltonian(k1, k2, t1=2.82, a=1/sqrt(3)): # 石墨烯哈密顿量(a为原子间距,不赋值的话默认为1/sqrt(3))
|
def hamiltonian(k1, k2, t1=2.82, a=1/sqrt(3)): # 石墨烯哈密顿量(a为原子间距,不赋值的话默认为1/sqrt(3))
|
||||||
h = np.zeros((2, 2))*(1+0j)
|
h = np.zeros((2, 2))*(1+0j)
|
||||||
h[0, 0] = 0.28/2
|
h[0, 0] = 0.28/2
|
||||||
@ -21,12 +19,19 @@ def hamiltonian(k1, k2, t1=2.82, a=1/sqrt(3)): # 石墨烯哈密顿量(a为
|
|||||||
|
|
||||||
def main():
|
def main():
|
||||||
k_array, berry_curvature_array = calculate_berry_curvature_with_efficient_method(hamiltonian_function=hamiltonian, k_min=-2*math.pi, k_max=2*math.pi, precision=500, print_show=0)
|
k_array, berry_curvature_array = calculate_berry_curvature_with_efficient_method(hamiltonian_function=hamiltonian, k_min=-2*math.pi, k_max=2*math.pi, precision=500, print_show=0)
|
||||||
# k_array, berry_curvature_array = guan.calculate_berry_curvature_with_efficient_method(hamiltonian_function=hamiltonian, k_min=-2*math.pi, k_max=2*math.pi, precision=500, print_show=0)
|
plot_3d_surface(k_array, k_array, np.real(berry_curvature_array[:, :, 0]), title='Valence Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
|
||||||
guan.plot_3d_surface(k_array, k_array, np.real(berry_curvature_array[:, :, 0]), title='Valence Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
|
plot_3d_surface(k_array, k_array, np.real(berry_curvature_array[:, :, 1]), title='Conductance Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
|
||||||
guan.plot_3d_surface(k_array, k_array, np.real(berry_curvature_array[:, :, 1]), title='Conductance Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
|
|
||||||
dim = berry_curvature_array.shape
|
dim = berry_curvature_array.shape
|
||||||
guan.plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :, 0]), title='Valence Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
|
plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :, 0]), title='Valence Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
|
||||||
guan.plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :, 1]), title='Conductance Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
|
plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :, 1]), title='Conductance Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
|
||||||
|
|
||||||
|
# import guan
|
||||||
|
# k_array, berry_curvature_array = guan.calculate_berry_curvature_with_efficient_method(hamiltonian_function=hamiltonian, k_min=-2*math.pi, k_max=2*math.pi, precision=500, print_show=0)
|
||||||
|
# guan.plot_3d_surface(k_array, k_array, np.real(berry_curvature_array[:, :, 0]), title='Valence Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
|
||||||
|
# guan.plot_3d_surface(k_array, k_array, np.real(berry_curvature_array[:, :, 1]), title='Conductance Band', xlabel='kx', ylabel='ky', zlabel='Berry curvature')
|
||||||
|
# dim = berry_curvature_array.shape
|
||||||
|
# guan.plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :, 0]), title='Valence Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
|
||||||
|
# guan.plot(k_array, np.real(berry_curvature_array[int(dim[0]/2), :, 1]), title='Conductance Band ky=0', xlabel='kx', ylabel='Berry curvature') # ky=0
|
||||||
|
|
||||||
|
|
||||||
def calculate_berry_curvature_with_efficient_method(hamiltonian_function, k_min=-math.pi, k_max=math.pi, precision=100, print_show=0):
|
def calculate_berry_curvature_with_efficient_method(hamiltonian_function, k_min=-math.pi, k_max=math.pi, precision=100, print_show=0):
|
||||||
@ -44,13 +49,13 @@ def calculate_berry_curvature_with_efficient_method(hamiltonian_function, k_min=
|
|||||||
j0 = 0
|
j0 = 0
|
||||||
for ky in k_array:
|
for ky in k_array:
|
||||||
H = hamiltonian_function(kx, ky)
|
H = hamiltonian_function(kx, ky)
|
||||||
vector = guan.calculate_eigenvector(H)
|
eigenvalue, vector = np.linalg.eigh(H)
|
||||||
H_delta_kx = hamiltonian_function(kx+delta, ky)
|
H_delta_kx = hamiltonian_function(kx+delta, ky)
|
||||||
vector_delta_kx = guan.calculate_eigenvector(H_delta_kx)
|
eigenvalue, vector_delta_kx = np.linalg.eigh(H_delta_kx)
|
||||||
H_delta_ky = hamiltonian_function(kx, ky+delta)
|
H_delta_ky = hamiltonian_function(kx, ky+delta)
|
||||||
vector_delta_ky = guan.calculate_eigenvector(H_delta_ky)
|
eigenvalue, vector_delta_ky = np.linalg.eigh(H_delta_ky)
|
||||||
H_delta_kx_ky = hamiltonian_function(kx+delta, ky+delta)
|
H_delta_kx_ky = hamiltonian_function(kx+delta, ky+delta)
|
||||||
vector_delta_kx_ky = guan.calculate_eigenvector(H_delta_kx_ky)
|
eigenvalue, vector_delta_kx_ky = np.linalg.eigh(H_delta_kx_ky)
|
||||||
for i in range(dim):
|
for i in range(dim):
|
||||||
vector_i = vector[:, i]
|
vector_i = vector[:, i]
|
||||||
vector_delta_kx_i = vector_delta_kx[:, i]
|
vector_delta_kx_i = vector_delta_kx[:, i]
|
||||||
@ -67,5 +72,70 @@ def calculate_berry_curvature_with_efficient_method(hamiltonian_function, k_min=
|
|||||||
return k_array, berry_curvature_array
|
return k_array, berry_curvature_array
|
||||||
|
|
||||||
|
|
||||||
|
def plot_3d_surface(x_array, y_array, matrix, xlabel='x', ylabel='y', zlabel='z', title='', fontsize=20, labelsize=15, show=1, save=0, filename='a', format='jpg', dpi=300, z_min=None, z_max=None, rcount=100, ccount=100):
|
||||||
|
import matplotlib.pyplot as plt
|
||||||
|
from matplotlib import cm
|
||||||
|
from matplotlib.ticker import LinearLocator
|
||||||
|
matrix = np.array(matrix)
|
||||||
|
fig, ax = plt.subplots(subplot_kw={"projection": "3d"})
|
||||||
|
plt.subplots_adjust(bottom=0.1, right=0.65)
|
||||||
|
x_array, y_array = np.meshgrid(x_array, y_array)
|
||||||
|
if len(matrix.shape) == 2:
|
||||||
|
surf = ax.plot_surface(x_array, y_array, matrix, rcount=rcount, ccount=ccount, cmap=cm.coolwarm, linewidth=0, antialiased=False)
|
||||||
|
elif len(matrix.shape) == 3:
|
||||||
|
for i0 in range(matrix.shape[2]):
|
||||||
|
surf = ax.plot_surface(x_array, y_array, matrix[:,:,i0], rcount=rcount, ccount=ccount, cmap=cm.coolwarm, linewidth=0, antialiased=False)
|
||||||
|
ax.set_title(title, fontsize=fontsize, fontfamily='Times New Roman')
|
||||||
|
ax.set_xlabel(xlabel, fontsize=fontsize, fontfamily='Times New Roman')
|
||||||
|
ax.set_ylabel(ylabel, fontsize=fontsize, fontfamily='Times New Roman')
|
||||||
|
ax.set_zlabel(zlabel, fontsize=fontsize, fontfamily='Times New Roman')
|
||||||
|
ax.zaxis.set_major_locator(LinearLocator(5))
|
||||||
|
ax.zaxis.set_major_formatter('{x:.2f}')
|
||||||
|
if z_min!=None or z_max!=None:
|
||||||
|
if z_min==None:
|
||||||
|
z_min=matrix.min()
|
||||||
|
if z_max==None:
|
||||||
|
z_max=matrix.max()
|
||||||
|
ax.set_zlim(z_min, z_max)
|
||||||
|
ax.tick_params(labelsize=labelsize)
|
||||||
|
labels = ax.get_xticklabels() + ax.get_yticklabels() + ax.get_zticklabels()
|
||||||
|
[label.set_fontname('Times New Roman') for label in labels]
|
||||||
|
cax = plt.axes([0.8, 0.1, 0.05, 0.8])
|
||||||
|
cbar = fig.colorbar(surf, cax=cax)
|
||||||
|
cbar.ax.tick_params(labelsize=labelsize)
|
||||||
|
for l in cbar.ax.yaxis.get_ticklabels():
|
||||||
|
l.set_family('Times New Roman')
|
||||||
|
if save == 1:
|
||||||
|
plt.savefig(filename+'.'+format, dpi=dpi)
|
||||||
|
if show == 1:
|
||||||
|
plt.show()
|
||||||
|
plt.close('all')
|
||||||
|
|
||||||
|
|
||||||
|
def plot(x_array, y_array, xlabel='x', ylabel='y', title='', fontsize=20, labelsize=20, show=1, save=0, filename='a', format='jpg', dpi=300, style='', y_min=None, y_max=None, linewidth=None, markersize=None, adjust_bottom=0.2, adjust_left=0.2):
|
||||||
|
import matplotlib.pyplot as plt
|
||||||
|
fig, ax = plt.subplots()
|
||||||
|
plt.subplots_adjust(bottom=adjust_bottom, left=adjust_left)
|
||||||
|
ax.grid()
|
||||||
|
ax.tick_params(labelsize=labelsize)
|
||||||
|
labels = ax.get_xticklabels() + ax.get_yticklabels()
|
||||||
|
[label.set_fontname('Times New Roman') for label in labels]
|
||||||
|
ax.plot(x_array, y_array, style, linewidth=linewidth, markersize=markersize)
|
||||||
|
ax.set_title(title, fontsize=fontsize, fontfamily='Times New Roman')
|
||||||
|
ax.set_xlabel(xlabel, fontsize=fontsize, fontfamily='Times New Roman')
|
||||||
|
ax.set_ylabel(ylabel, fontsize=fontsize, fontfamily='Times New Roman')
|
||||||
|
if y_min!=None or y_max!=None:
|
||||||
|
if y_min==None:
|
||||||
|
y_min=min(y_array)
|
||||||
|
if y_max==None:
|
||||||
|
y_max=max(y_array)
|
||||||
|
ax.set_ylim(y_min, y_max)
|
||||||
|
if save == 1:
|
||||||
|
plt.savefig(filename+'.'+format, dpi=dpi)
|
||||||
|
if show == 1:
|
||||||
|
plt.show()
|
||||||
|
plt.close('all')
|
||||||
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
if __name__ == '__main__':
|
||||||
main()
|
main()
|
Loading…
x
Reference in New Issue
Block a user