---
description: Incrementally subdivide a polyline matching a degree 2 NURBS curve
---

# Degree 3 Smoothing

## Description

Incrementally subdivide a polyline matching a degree 2 NURBS curve. Based on the de Boor algorithm

{% tabs %}
{% tab title="Preview" %}
![](https://970693072-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdsbfCRcDsSN9QLbjbulF%2Fuploads%2FNNL5g7TRHU15XDaLCDKe%2FDeg3_Smooth.png?alt=media\&token=5d223ee3-b93f-4826-b357-27dfaa1b2310)
{% endtab %}

{% tab title="Location" %}
**Name** | Degree 3 Smoothing

**Nickname** | Deg3

**Tab** | Curve

**Panel** | Smooth

**Division** | 1
{% endtab %}

{% tab title="Inputs" %}
**P** | **Polyline** (_Curve_) | Polyline to subdivide and smooth

**I** | **Iterations** (_Integer_) | The number of smoothing iterations
{% endtab %}

{% tab title="Outputs" %}
**P** | **Polyline** (_Curve_) | New Polyline
{% endtab %}

{% tab title="Mode" %}
_none_
{% endtab %}
{% endtabs %}

## Usage

<figure><img src="https://970693072-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdsbfCRcDsSN9QLbjbulF%2Fuploads%2FFYZl1IxCeAyNhHMZN8hp%2FCurvePlus_Deg3.gif?alt=media&#x26;token=a72261fe-2004-4b9d-ae2c-9aea508fb72c" alt=""><figcaption></figcaption></figure>
