Is there any API to detect if a Rect is inside/on boundary/outside of another Rect?

[rlin-flex]

Wrong message

[michaelkirk]

Is there any API to detect if a Rect is inside/on boundary/outside of another Rect?

For checks like these, your best bet is the Topology section. In particular, the Relate trait gives you the complete DE-9IM output, so you can ask questions about how exactly two shapes interact.