Matplotlib是Python中的一个库,它是数字的-NumPy库的数学扩展。它是Python中令人惊叹的可视化库,用于数组的2D图,并用于与更广泛的SciPy堆栈配合使用。
matplotlib.axis.Axis.get_transformed_clip_path_and_affine()函数
matplotlib库的axis模块中的Axis.get_transformed_clip_path_and_affine()函数用于获取应用了其变换的非仿射部分以及其变换的其余仿射部分的剪辑路径。
用法: Axis.get_transformed_clip_path_and_affine(self)
参数:此方法不接受任何参数。
返回值:此方法返回应用了其变换的非仿射部分和其变换的其余仿射部分的剪辑路径。
以下示例说明了matplotlib.axis中的matplotlib.axis.Axis.get_transformed_clip_path_and_affine()函数:
范例1:
使用的图片:
Python3
# Implementation of matplotlib function
from matplotlib.axis import Axis
import matplotlib.pyplot as plt
import matplotlib.patches as patches
import matplotlib.cbook as cbook
with cbook.get_sample_data('image.PNG') as image_file:
image = plt.imread(image_file)
fig, ax = plt.subplots()
im = ax.imshow(image)
patch = patches.Rectangle((50, 50), 200, 200,
transform = ax.transData)
# use of get_transformed_clip_path_and_affine() method
val = Axis.get_transformed_clip_path_and_affine(im)
ax.set_title("Value Return by get_transformed_clip_path_and_affine():"
+ str(val))
fig.suptitle("""matplotlib.axis.Axis.get_transformed_clip_path_and_affine()
function Example\n""", fontweight ="bold")
plt.show()
输出:
范例2:
Python3
# Implementation of matplotlib function
from matplotlib.axis import Axis
import numpy as np
import matplotlib.cm as cm
import matplotlib.pyplot as plt
from matplotlib.path import Path
from matplotlib.patches import PathPatch
delta = 0.025
x = y = np.arange(-3.0, 3.0, delta)
X, Y = np.meshgrid(x, y)
Z1 = np.exp(-X**2 - Y**2)
Z2 = np.exp(-(X - 1)**2 - (Y - 1)**2)
Z = (Z1 - Z2) * 2
path = Path([[0, 1], [1, 0], [0, -1], [-1, 0], [0, 1]])
patch = PathPatch(path, facecolor ='none')
fig, ax = plt.subplots()
ax.add_patch(patch)
im = ax.imshow(Z,
interpolation ='bilinear',
cmap = cm.gray,
origin ='lower',
extent =[-3, 3, -3, 3],
clip_path = patch,
clip_on = True)
# use of get_transformed_clip_path_and_affine() method
val = Axis.get_transformed_clip_path_and_affine(im)
print("Value Return by get_transformed_clip_path_and_affine():")
for i in val:
print(i)
fig.suptitle("""matplotlib.axis.Axis.get_transformed_clip_path_and_affine()
function Example\n""", fontweight ="bold")
plt.show()
输出:
Value Return by get_transformed_clip_path_and_affine(): Path(array([[ 0., 1.], [ 1., 0.], [ 0., -1.], [-1., 0.], [ 0., 1.]]), None) Affine2D( [[ 82.66666667 0. 328. ] [ 0. 61.6 237.6 ] [ 0. 0. 1. ]])
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注:本文由纯净天空筛选整理自SHUBHAMSINGH10大神的英文原创作品 Matplotlib.axis.Axis.get_transformed_clip_path_and_affine() function in Python。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。