Function union

Combine two or more bounding boxes into a new minimal bounding box that contains both.

Combine two or more bounding boxes into a new minimal bounding box that contains both.

Combine two or more bounding boxes into a new minimal bounding box that contains both.

Combine two or more bounding boxes into a new minimal bounding box that contains both.

Combine two or more bounding boxes into a new minimal bounding box that contains both.