Represents a bounding box, which defines a rectangular area.
This bounding box is used to represent an empty or undefined bounding box.
The height of the bounding box.
The maximum x-coordinate of the bounding box.
The maximum y-coordinate of the bounding box.
The minimum x-coordinate of the bounding box.
The minimum y-coordinate of the bounding box.
The width of the bounding box.
The x-coordinate of the center of the bounding box.
The y-coordinate of the center of the bounding box.