# Bump struct

Namespace: [Grasshopper2.Types.Functions.Standard](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.types.functions.standard.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public readonly struct Bump : IStorable
```

A single bump.

## Constructors

- [Bump](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.functions.standard.bump/ctor.md): (2 overloads)

## Properties

- [Amplitude](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.functions.standard.bump/amplitude.md): Gets the amplitude of this bump.
- [Centre](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.functions.standard.bump/centre.md): Gets the centre location of this bump.
- [Radius](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.functions.standard.bump/radius.md): Gets the radius of this bump.

## Methods

- [Evaluate](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.functions.standard.bump/evaluate.md): Evaluate this bump.
- [EvaluateDerivative](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.functions.standard.bump/evaluatederivative.md): Evaluate the derivative of this bump.
- [Store](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.functions.standard.bump/store.md)
- [WithAmplitude](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.functions.standard.bump/withamplitude.md)
- [WithCentre](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.functions.standard.bump/withcentre.md)
- [WithRadius](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.functions.standard.bump/withradius.md)
- [WithTip](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.functions.standard.bump/withtip.md)