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The Arnold > Utilities > Materials > Convert menu contains some useful commands to help to work with the Arnold Materialconvert between the supported material types.

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Create New Arnold Shader Network Material

This command adds a new Arnold Shader Network Material to the scene and opens the network editor.

Default shortcut is Alt+W~N in the Material Browser.

Convert the Selected C4D Material to an Arnold Material

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Legacy Arnold Material to Node Material

Convert all legacy materials to Node Materials

All legacy Arnold Materials in the current scene are replaced with Arnold Node Materials.

Convert selected legacy materials to Node Materials

The selected legacy Arnold Materials in the current scene are replaced with Arnold Node Materials.

Default shortcut is Alt+W~D in the Material Browser.

Copy & convert selected legacy materials to Node Materials

The selected legacy Arnold Materials are converted to Arnold Node Materials, the legacy materials are kept in the scene.

Default shortcut is Alt+W~C in the Material Browser.

Cinema 4D Standard Material to Arnold Material

Convert all C4D Materials to Arnold Materials

All Cinema 4D Standard Materials in the current scene are replaced with Arnold Materials.

Convert selected C4D Materials to Arnold Materials

The selected Cinema 4D Standard Materials in the current scene are replaced with Arnold Materials.

Default shortcut is Alt+W~D in the Material Browser.

Copy & convert selected C4D Materials to Arnold Materials

The selected Cinema 4D Standard Materials are converted to Arnold Materials, the Cinema 4D Standard Materials are kept in the scene.

Default shortcut is Alt+W~C in the Material Browser.


Info

The type of the Arnold Material (Node Material vs legacy material) depends on the default material system set in the Preferences.

Note

Note that the resulting Arnold Material won't be a perfect match to the C4D Material since Arnold has different shaders and concepts. See the Cinema 4D Material page for the supported features and limitations.

Default shortcut is Alt+W~C in the Material Browser.

Replace the Selected C4D Material with an Arnold Material

Creates a new Arnold Material with the shader network converted from the selected C4D Material and replaces the original C4D Material in the scene with the new Arnold Material.

Default shortcut is Alt+W~M in the Material Browser.

Convert the Selected Substance Asset to an Arnold Material

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Substance Asset to Arnold Material

Convert selected Substance Assets to Arnold Materials

Converts all selected Substance Assets to an Arnold Material. A Substance Shader is created for each texture of the asset and connected to the right parameterappropriate parameter of a root standard surface shader.

GGX
Substance textureColor spaceArnold shader network
Base colorsRGBConnected to the Diffuse color of the standard shaderto Base color.
DiffusesRGBConnected to the Diffuse color of the standard shader when to Base color if no Base color texture exists.
SpecularsRGBConnected to the to Specular color of the standard shader. Specular weight is set to 1.0, the Specular distribution .
RoughnessrawConnected to Specular roughness.
f0rawConnected to Specular IOR.
RefractionsRGBConnected to Transmission color. Transmission weight is set to 1.0.
RoughnessEmissionlinearsRGBConnected to the Reflectance at normal of the standard shader. Specular Fresnel is enabledConnected to the Specular roughness of the standard shader.f0linearEmission color. Emission weight is set to 1.0.
OpacitysRGBConnected to Cutout Opacity.
MetallicrawConnected to Metalness.
NormallinearrawA normal map shader is created and the texture is connected to its Normal map parameter.
BumplinearrawA bump2d  shader is created and the texture is connected to its Bump map parameter.
DisplacementlinearrawA normal displacement shader is created and the texture is connected to its Displacement parameter.
ReflectionsRGBConnected to the Reflection color of the standard shader. Reflection weight is set to 1.0.
RefractionsRGBConnected to the Refraction color of the standard shader. Refraction weight is set to 1.0.
EmissionsRGBConnected to the Emission color of the standard shader. Emission weight is set to 1.0.
OpacitysRGBConnected to the Opacity of the standard shader.
MetalliclinearMixes between the Specular texture and a complex IOR shader with the Base color as Reflectivity and the Specular as Edge tint. Connected to the Specular Color of the standard shader.

Default shortcut is Alt+W~C in the Substance Asset Manager.

Note

The command is available only in CINEMA 4D R18 and above.

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Deprecated Shaders

Replace deprecated shaders in legacy Arnold Material

The hair, standard, and volume_collector shaders are deprecated in Arnold 5, they will be removed in a future release. Use this command to convert these shaders in the scene to their replacements (standard_hair, standard_surface, and standard_volume). The shaders can be converted individually as well.

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