# Is Closed

## Description

Check if a surface is closed in either the U or V directions or solid

{% tabs %}
{% tab title="Preview" %}
![](https://2925950326-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDjVBCv0zXotDtlYfQEkm%2Fuploads%2FfAYpIzoGkpQPTGDstlmV%2FSurface_Closed.png?alt=media\&token=ae89600f-851c-4871-b871-baeb31117e14)
{% endtab %}

{% tab title="Location" %}
**Name** | Is Closed

**Nickname** | Closed

**Tab** | Surface

**Panel** | Analysis

**Division** | 2
{% endtab %}

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

{% tab title="Outputs" %}
**S | Solid** (*bool*) | Is the surface a pseudo solid

**U | U Direction** (*bool*) | Is the surface closed in the U direction

**V | V Direction** (*bool*) | Is the surface closed in the V direction
{% endtab %}

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

## Usage