guruthree
commented
7 years ago An easy way to do this would be to have a grey grid (like graph paper) in the background of the black box. Each square could then be say, 0.25m.
Closed guruthree closed 7 years ago
guruthree
commented
7 years ago An easy way to do this would be to have a grey grid (like graph paper) in the background of the black box. Each square could then be say, 0.25m.
How big is the area selected? Or how long is any line? A visual scale of say 10px = 1cm or something like that (see Google Maps) is needed.