Rim Shader - Arnold for Cinema4d

Tip:

The facing_ratio shader can also be used to achieve this shading effect.

A rim shader is useful for achieving a lighting effect related to the contour/outline edges of an object. The above scene demonstrates a simple shader that simulates a fake rim light shading effect. It can be useful for creating fresnel or cartoon-like skin effects.

The shader (R18) can be downloaded here.

The rim shader effect is primarily controlled by connecting Utility shader (set to Ndoteye) to the Specular Weight attribute of a Standard Surface shader.

_{Final shader network}

Utility Shader

Start off by connecting a Utility shader to the Specular Weight of a Standard Surface shader. The shade mode is set to Ndoteye which provides the basic rim shading effect. However, the effect needs to be reversed.

Complement shader

A Complement shader is inserted before the Utility shader to invert the Ndoteye effect of the Utility shader.

Without Complement With Complement

Color Correct

A Color Correct shader can also be added to refine the rim shading effect. The images below show the effect adjusting the gamma attribute has on the rim shading effect.