| Parameter Name | Units | Type | Default | Description |
| L |  |
double | 0.0 | length |
| X_MAX | |
double | 0.0 | half-axis in x |
| Y_MAX | |
double | 0.0 | half-axis in y |
| DX | |
double | 0.0 | misalignment |
| DY | |
double | 0.0 | misalignment |
| OPEN_SIDE | STRING | NULL | which side, if any, is open (+x, -x, +y, -y) | |
| EXPONENT | long | 2 | Exponent for boundary equation. 2 is ellipse. |