The curve shown is the envelope of the outer edge of the piano.
This represents the outer boundary of the piano's location.
You can drag point B along this curve and observe the range of hall widths which this piano will "just fit" round.
| Piano length | ||||
| Piano width | ||||
| piano location | ||||
| 0.0100 | 0 | 0.9900 | ||
| Hall AB width | ||||
| Hall BC width | ||||