> For the complete documentation index, see [llms.txt](https://interopxyz.gitbook.io/three-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/three-plus/components/doc/ref-pbr-opacity.md).

# Ref PBR Opacity

References a PBR material from Rhino and deconstructs its Opacity properties

## Description

References a PBR material from Rhino and deconstructs its Opacity properties

{% tabs %}
{% tab title="Preview" %}
![](https://2542354621-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FbH1SBOktQqL8caPM2Xpc%2Fuploads%2FC5BrFdozDXfa7W4jqc93%2FDoc-PBR-Opacity.png?alt=media\&token=d219a444-b624-4a52-95b0-f786f9721ef8)
{% endtab %}

{% tab title="Location" %}
**Name** | Reference PBR Opacity

**Nickname** | RefPbrOpacity

**Tab** | ThreeJs

**Panel** | Doc

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

{% tab title="Inputs" %}
**N** | **Material Name** (*Text*) | The name of the Rhino Material to reference
{% endtab %}

{% tab title="Ouputs" %}
**OP** | **Opacity** (*Number*) | The opacity of the material (0.0 = transparent to 1.0 = opaque).

**TR** | **Transparency** (*Number*) | The transparency of the material (0.0 = opaque to 1.0 = transparent).

**TC** | **Transparency Color** (*Colour*) | The transparency color.

**OM** | **Opacity Map** (*Bitmap*) | The Bitmap used to alter the opacity value of the material.

**OI** | **Opacity IOR** (*Number*) | Index of refraction for transmitted light.

**IM** | **Opacity IOR Map** (*Bitmap*) | The Bitmap used to alter the opacity IOR value of the material.

**OR** | **Opacity** **Roughness** (*Number*) | Controls roughness used for transmitted light.

**RM** | **Opacity Roughness Map** (*Bitmap*) | The Bitmap used to alter the opacity roughness value of the material.

**AL** | **Alpha** (*Number*) | The alpha transparency value.

**AM** | **Alpha Map** (*Bitmap*) | The Bitmap used to alter the alpha value of the material.

**FI** | **Fresnel IOR** (*Number*) | Fresnel Index of Refraction.

**RG** | **Refraction Glossiness** (*Number*) | Simulates a rougher surface, by diffusing the light rays in different directions.

**SC** | **Specular Color** (*Colour*) | The reflected color of the object's highlights.
{% endtab %}

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

## Usage