75 fig-size attribute save-fig and dpi

https://vlrtraining.com/courses/python-data-science-beginner-tutorial

In [1]:

import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(0, 5, 11)
y = x ** 2 
%matplotlib inline

In [35]:

fig = plt.figure()

ax = fig.add_axes([0,0,1,1])

ax.plot(x, y,"r")
#ax.plot(y, x,"g")

Out[35]:

[<matplotlib.lines.Line2D at 0xb11b5c0>]

In [37]:

fig = plt.figure(figsize=(7,4))

ax = fig.add_axes([0,0,1,1])

ax.plot(x, y,"r")
#ax.plot(y, x,"g")

Out[37]:

[<matplotlib.lines.Line2D at 0xb1cf3c8>]

In [38]:

fig = plt.figure(figsize=(7,2))

ax = fig.add_axes([0,0,1,1])

ax.plot(x, y,"r")
#ax.plot(y, x,"g")

Out[38]:

[<matplotlib.lines.Line2D at 0xb232dd8>]

In [39]:

fig, axes = plt.subplots()
axes.plot(x, y, 'r')

Out[39]:

[<matplotlib.lines.Line2D at 0xb1f3d30>]

In [40]:

fig, axes = plt.subplots(figsize=(12,3))
axes.plot(x, y, 'r')

Out[40]:

[<matplotlib.lines.Line2D at 0x9cc3828>]

In [41]:

fig, axes = plt.subplots(2,1,figsize=(12,3))
axes[0].plot(x, y, 'r')
axes[1].plot(x, y, 'r')

Out[41]:

[<matplotlib.lines.Line2D at 0x8b49400>]

In [42]:

fig, axes = plt.subplots(2,1,figsize=(12,3))
axes[0].plot(x, y, 'r')
axes[1].plot(x, y, 'r')

plt.tight_layout()

In [47]:

fig, axes = plt.subplots(2,1,figsize=(12,3),dpi=100)
axes[0].plot(x, y, 'r')
axes[1].plot(x, y, 'r')

plt.tight_layout()

In [48]:

fig

Out[48]:

In [49]:

fig.savefig("ram4.png")

In [50]:

fig.savefig("ram5.png",dpi=77)

In [51]:

fig.savefig("rame33a.pdf")