Require that ellipse e1 overlaps with ellipse e2 with some overlap overlap.
e1
e2
overlap
Center of e1
Horizontal radius of e1
Vertical radius of e1
Center of e2
Horizontal radius of e2
Vertical radius of e2
The least amount of overlap (default: 0)
Require that ellipse
e1
overlaps with ellipsee2
with some overlapoverlap
.