Calculates the coordinate points at the given parameter values on the surface.
| Name | Type | Description |
| Params | Double | Input/output array of Doubles that specifies the u-v parameters. The array is a single dimension array containing sequential u and v values. |
| Points | Double | Input/output double that specifies the points. |
| Name | Description |
| Is cylindrical face interior or exterior? | This sample shows how to determine whether the selected cylindircal face is an exterior face or an interior (hollow) face. |