The meaning of aspect

The aspect can be set to ‘equal’ (default), ‘auto’ or float: - ‘equal’ : Keep aspect ratio of the image unchanged - ‘auto’ : The aspect ratio is related to the set figsize, i.e., changing the aspect ratio - float number f: Keep the aspect ratio f = h/w

# sphinx_gallery_thumbnail_path = '_static/cigvis/2D/12.png'

import cigvis
import numpy as np
import matplotlib.pyplot as plt

d = np.fromfile('../../data/rgt/sx.dat', np.float32).reshape(128, 128, 128)
sl = d[30, :, :]

fig, axs = plt.subplots(2, 2, figsize=(10, 8))

# aspect='equal'
cigvis.plot2d(sl,
              aspect='equal',
              xlabel='xline',
              ylabel='time',
              title="Aspect='equal'",
              cbar='Amplitude',
              ax=axs[0, 0])

# aspect='auto'
cigvis.plot2d(sl,
              aspect='auto',
              xlabel='xline',
              ylabel='time',
              title="Aspect='auto'",
              cbar='Amplitude',
              ax=axs[0, 1])

# aspect=1.5  h/w=1.5
cigvis.plot2d(sl,
              aspect=1.5,
              xlabel='xline',
              ylabel='time',
              title="Aspect=1.5",
              cbar='Amplitude',
              ax=axs[1, 0])

# aspect=2/3, h/w=2/3
cigvis.plot2d(sl,
              aspect=2 / 3,
              xlabel='xline',
              ylabel='time',
              title="Aspect=2/3",
              cbar='Amplitude',
              ax=axs[1, 1])

plt.tight_layout()
plt.savefig('example.png', bbox_inches='tight', pad_inches=0.01, dpi=200)
plt.show()