754cfba75452535c201f9ac13aed091e6932cd84,examples/frontpage/3D.py,,,#,16

Before Change

import matplotlib.pyplot as plt
import numpy as np

filename = cbook.get_sample_data("jacksboro_fault_dem.npz", asfileobj=False)
with np.load(filename) as dem:
    z = dem["elevation"]
    nrows, ncols = z.shape
    x = np.linspace(dem["xmin"], dem["xmax"], ncols)
    y = np.linspace(dem["ymin"], dem["ymax"], nrows)
    x, y = np.meshgrid(x, y)

region = np.s_[5:50, 5:50]
x, y, z = x[region], y[region], z[region]

fig, ax = plt.subplots(subplot_kw=dict(projection="3d"))

After Change

import matplotlib.pyplot as plt
import numpy as np

with cbook.get_sample_data("jacksboro_fault_dem.npz") as file, \
     np.load(file) as dem:
    z = dem["elevation"]
    nrows, ncols = z.shape
    x = np.linspace(dem["xmin"], dem["xmax"], ncols)

Instances