matplotlib pcolor

matplotlib の pcolor

%matplotlib inline
import matplotlib.pyplot as plt
import numpy as np
#from matplotlib.colors import LogNorm

#Z = np.random.rand(6, 10)
Z = 100*np.random.randn(64,256)
Z = np.where(Z < -256, -256, Z)
Z = np.where(Z > 255, 255, Z)

fig, (ax0, ax1) = plt.subplots(2, 1)

fig.dpi = 200 # 200dpi

c = ax0.pcolor(Z)
ax0.set_aspect('equal')
ax0.set_title('default: no edges')
fig.colorbar(c, ax=ax0)

c = ax1.pcolor(Z, edgecolors='k', linewidths=0.5)
ax1.set_title('thick edges')
ax1.set_aspect('equal')
fig.colorbar(c, ax=ax1)

fig.tight_layout()
plt.show()

%matplotlib inline
import matplotlib.pyplot as plt
import numpy as np
#from matplotlib.colors import LogNorm

#Z = np.random.rand(6, 10)
Z = 100*np.random.randn(64,256)
Z = np.where(Z < -256, -256, Z)
Z = np.where(Z > 255, 255, Z)

fig, ax = plt.subplots(2, 2)
fig.dpi = 200 # 200dpi

ax2 = ax[1][0]
c = ax2.pcolor(Z)
#ax2.set_aspect('equal')
#ax2.set_title('default: no edges')

ax1 = ax[0][1]
fig.colorbar(c, ax=ax1)

ax0 = ax[0][0]
c = ax0.bar(range(Z.shape[1]),np.sum(Z,axis=0))
ax0.set_xlim(ax2.get_xlim())

ax3 = ax[1][1]
c = ax3.barh(range(Z.shape[0]),np.sum(Z,axis=1))
ax3.set_ylim(ax2.get_ylim())



fig.tight_layout()
plt.show()