> For the complete documentation index, see [llms.txt](https://interopxyz.gitbook.io/surface-plus/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://interopxyz.gitbook.io/surface-plus/components/grid-curve/quad-alternating-curves.md).

# Quad Alternating Curves

Divide a surface into a series of quad curves shifted by a value every other row

## Description

Divide a surface into a series of quad curves shifted by a value every other row

{% tabs %}
{% tab title="Preview" %}
![](https://2925950326-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDjVBCv0zXotDtlYfQEkm%2Fuploads%2FtlqVUoX57b7aPunNNJSV%2FGrid_Curve_Quad_Alternating.png?alt=media\&token=40ff448d-fbc9-4b62-87b1-d531ba6b2f54)
{% endtab %}

{% tab title="Location" %}
**Name** | Quad Alternating Curves

**Nickname** | Alt Quad Crvs

**Tab** | Curve

**Panel** | Grid

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

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

**T** | **Panel Types** (*int*) | Geometry type of the resulting panels

**D** | **Direction** (*int*) | The direction of the primary division

**U** | **U Divisions** (*int*) | Divison count in the U direction

**V** | **V Divisions** (*int*) | Divison count in the V direction

**P** | **Parameter** (*int*) | A shift parameter. If no values are provided, a default of 0,5 will be used.

**F** | **Flip** (*bool*) | If true, the alternating row will be shifted by one row
{% endtab %}

{% tab title="Outputs" %}
**C** | Curves (*curve*) | Resulting Curves

**P** | UV Polylines (*curve*) | The unitized surface UV coordinates of the cells as a hidden polyline
{% endtab %}

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

## Usage