# PolylineCurveAssistant class

Namespace: [Grasshopper2.Types.Assistants](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.types.assistants.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public sealed class PolylineCurveAssistant : CurveAssistant<Polyline>
```

Curve assistant for the [Polyline](https://mcneel-apidocs-rhinocommon-7f6eb10c6967.herokuapp.com/api/rhinocommon/type/rhino.geometry.polyline/) type.

## Methods

- [BoundingBox](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/boundingbox.md)
- [ConvertToNurbsCurve](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/converttonurbscurve.md)
- [ConvertToPolyline](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/converttopolyline.md)
- [ConvertToRhinoCurve](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/converttorhinocurve.md)
- [DivideByCount](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/dividebycount.md)
- [DivideByDistance](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/dividebydistance.md)
- [DivideByLength](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/dividebylength.md)
- [EvaluateCurvature](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/evaluatecurvature.md)
- [EvaluateDerivatives](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/evaluatederivatives.md)
- [EvaluatePerpendicular](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/evaluateperpendicular.md)
- [EvaluatePosition](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/evaluateposition.md)
- [EvaluateTangent](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/evaluatetangent.md)
- [Explode](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/explode.md)
- [ExplodeRecursive](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/exploderecursive.md)
- [Extend](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/extend.md)
- [FindClosestParameter](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/findclosestparameter.md)
- [FindCurvatureExtremes](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/findcurvatureextremes.md)
- [FindDiscontinuities](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/finddiscontinuities.md)
- [FindFurthestParameter](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/findfurthestparameter.md)
- [FindInflections](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/findinflections.md)
- [FindPositionExtremes](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/findpositionextremes.md)
- [FlipDirection](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/flipdirection.md)
- [GetDomain](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/getdomain.md)
- [GetEndPoints](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/getendpoints.md)
- [GetEndTangents](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/getendtangents.md)
- [GetLength](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/getlength.md)
- [GetSpans](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/getspans.md)
- [IntersectWith](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/intersectwith.md)
- [IsClosed](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/isclosed.md)
- [IsLinear](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/islinear.md): (2 overloads)
- [IsPeriodic](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/isperiodic.md)
- [IsPlanar](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/isplanar.md): (2 overloads)
- [LengthAtParameter](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/lengthatparameter.md)
- [ParameterAtLength](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/parameteratlength.md)
- [SetDomain](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/setdomain.md)
- [Split](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/split.md)
- [Trim](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistants.polylinecurveassistant/trim.md)

## Inherited Members

- From [CurveAssistant<T>](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistant.curveassistant-1.md): [IsReimplementation](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistant.curveassistant-1/isreimplementation.md), [ReimplementationBase](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistant.curveassistant-1/reimplementationbase.md), [Type](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.assistant.curveassistant-1/type.md)