# Surface Control Polygons

## Description

The control point polygon in the U or V direction

{% tabs %}
{% tab title="Preview" %}
![](https://2925950326-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDjVBCv0zXotDtlYfQEkm%2Fuploads%2FSIekLf1OKvpyKB2AGsjR%2FSurface_CtrlPgon.png?alt=media\&token=6d661a78-e5c5-4872-84bf-b071645ced38)
{% endtab %}

{% tab title="Location" %}
**Name** | Surface Control Polygons

**Nickname** | Polygons

**Tab** | Surface

**Panel** | Analysis

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

{% tab title="Inputs" %}
**S** | **Surface** (*surface*) | A Nurbs surface

**D | Direction** *(int)* | Select either the U or V direction
{% endtab %}

{% tab title="Outputs" %}
**P | Polylines** (*curve*) | Control Polygons in the selected direction
{% endtab %}

{% tab title="Mode" %}
*none*
{% endtab %}
{% endtabs %}

## Usage