Matplotlib：如何按标量（浮点数）缩放/乘以 Bbox

要按标量缩放 Bbox 对象，可以使用 Affine2D 变换。以下是具体做法：

scale_bbox.py

# Example scale factor
scale = 300.0

# Create an example bbox
bbox = Bbox.from_bounds(0, 0, 1, 1)

# Create the scale transformation
import matplotlib.transforms as transforms
scale_transform = transforms.Affine2D().scale(scale)

# Example usage
scaled_bbox = bbox.transformed(scale_transform)

# Example scale factor
scale = 300.0

# Create an example bbox
bbox = Bbox.from_bounds(0, 0, 1, 1)

# Create the scale transformation
import matplotlib.transforms as transforms
scale_transform = transforms.Affine2D().scale(scale)

# Example usage
scaled_bbox = bbox.transformed(scale_transform)

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