RhinoCommon API

## CurveRibbonOffset Method (Double, Double, Point3d, Vector3d, Double) |

Offsets a closed curve in the following way: pProject the curve to a plane with given normal.
Then, loose Offset the projection by distance + blend_radius and trim off self-intersection.
THen, Offset the remaining curve back in the opposite direction by blend_radius, filling gaps with blends.
Finally, use the elevations of the input curve to get the correct elevations of the result.

Syntax

public Curve RibbonOffset( double distance, double blendRadius, Point3d directionPoint, Vector3d normal, double tolerance )

- distance
- Type: SystemDouble

The positive distance to offset the curve. - blendRadius
- Type: SystemDouble

Positive, typically the same as distance. When the offset results in a self-intersection that gets trimmed off at a kink, the kink will be blended out using this radius. - directionPoint
- Type: Rhino.GeometryPoint3d

A point that indicates the direction of the offset. If the offset is inward, the point's projection to the plane should be well within the curve. It will be used to decide which part of the offset to keep if there are self-intersections. - normal
- Type: Rhino.GeometryVector3d

A vector that indicates the normal of the plane in which the offset will occur. - tolerance
- Type: SystemDouble

Used to determine self-intersections, not offset error.

The offset curve if successful.

See Also