The site has run out of bandwidth allocation, so I'm only guessing what the metric is from the comments here... I'd like to see it compared with a "parallelogr

The site has run out of bandwidth allocation, so I'm only guessing what the metric is from the comments here... I'd like to see it compared with a "parallelogramness" measure, based on rotating calipers. Rectangularity would be a special case. https://en.wikipedia.org/wiki/Rotating_calipers https://en.wikipedia.org/wiki/Rotating_calipers