Surface Area method for portions of segment or from landmarks

@muratmaga I did find a potential solution to my own question for 3 using the second code chunk that Andras gave in this link.

Attached is what it looks like it’s measuring, which is within the closed curve, but is unfortunately the under side of the bill.


It also seems like it’s adding a “cap” here, to the end of the bill, which might resolve when we’re measuring the dorsal area

Is there a way to change which surface of the segment it is measuring. Has there has been an updated method to do this beyond the Python console?

Thanks!