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While all the calculations need to happen in a linear color space, all viewing devices (input and output) will need to be shown in a gamma corrected space (like sRGB gamma).



It is recommended that you output rendered images as EXR (linear floating point format) to maintain a linear workflow.  

The rendering pipeline can be broken down into the following steps:


Image RemovedImage Added

How to make inputs linearly


Images rendered to disk (using Team Render for example) need to be viewed with a LUT capable image viewer. When viewed through a standard non LUT capable viewer, the rendered images will look too dark in comparison. 

Color Profiles

C4DtoA supports the following color correction settings: 

Edit > Project Settings...

  • Only the Linear Workflow is supported which means that all inputs (light and shader colors and textures) are converted to linear space before computations.
  • Input Color Profile: controls display of color pickers. Default is sRGB which means all colors are displayed gamma corrected in Cinema 4D.

Edit > Preferences... > View > Display Color Profile


  • Display Color Profile: defines color correction of the Picture Viewer, IPR Window, material previews and the viewport. Default is sRGB.

Render Settings > Save



  • Image Color Profile: defines the color space of the image written to the disc when using the native C4D save options.


If the Color Space of an image shader is set to auto, then Arnold linearizes 8 and 16-bit images automatically. Arnold scans the contents of a texture (it does not rely on the extension), and anything that is not float is considered to have a gamma baked even if the image has a different color space embedded. The list of color spaces depends on the selected Color Manager.


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