April 25, 2024 Yen Lily

Some ways to optimize your scene in Octane for Cinema 4D

Octane, or any GPU render engines, will usually uses VRAM to get things done and rendered. If your scene doesn’t fit into VRAM, it’s likely to have out of core error. Since VRAM is so important on how you can render, we have some ways to optimize your scene in Octane for Cinema 4D. Let’s check it out to create a fit scene for your available VRAM.

Some ways to optimize your scene in Octane for Cinema 4D

Layers

The first way to optimize your scene is to optimize layers in the scene. When creating a scene, you want to keep track and control what is displayed at any given time. To do that, you should break your scene down into layers in Cinema 4D. It keeps your Object Manager organized, helps you isolate aspects of a scene that have issues, crashes, etc.

Layer can work with along with Solo function in Cinema 4D, but using Solo is more cumbersome when it comes to look development and lighting. Layers instead offers the ability to solo whole layers, including layers that contain scene lighting.

Naming

You should name everything to be able to read and organize the scene easily. Naming is also a great help with xpresso and works well for tracking down errors.

Reduce the use of Cinema 4D materials when possible

You should convert Cinema 4D materials into Octane format by choosing Materials > Convert Materials in the Live Viewer menu bar. Doing this will reduce much time.

Organize your scene

When your scene is so complex, sometimes you cannot know what to optimize. Therefore, organizing your scene into logical chunks is the best way to manage complexity. Layers panel in Cinema 4D will help you a lot to organize scene elements into their own scene layers, making it easier to focus on one thing and solve one issue at a time.

Isolate elements for simplicity

Besides Cinema 4D Layers panel, there is a tool called Viewport Solo which has two options, single and hierarchy. You can see the image below to better imagine: when the Solo function is on, the object selected will be there while everything else in the scene is hidden. It helps you to focus on things you want to check at that time. The layer system can do the job, but Viewport Solo is handy and a nice complement to layers.

Use instances instead of duplicates

Another way to save VRAM is that you can use the Instance generator or Render Instance in Cinema 4D to generate multiple copies of the same thing in your scene. That way will minimize the used memory value climbing. If you just use plain copies, you would see the used memory value climb.

Use the Octane Object tag

Always remember to apply an Octane Object tag to your scene objects, rather than using Cinema 4D SubD generator. Octane Object tag helps you use subdivision to smooth your objects at render time, and the file transferred to the GPU will be much lighter in polycount and transfer more quickly.

Use Octane-format materials

You should use Octane-format materials for the best results. Sometimes you have copies of objects with the same materials that you cannot use Instance. If so, make sure that you use only one material applied to those copies. If you have multiple materials in your scene, they should be unique.

Set the proper Image Map type

Make sure you set the Map type of each Image Texture correctly. The auto function will try to guess, but for grayscale or alpha images, it’s best to set the Map type value specifically. If you do so, only the VRAM actually needed for that image is allocated, as opposed to more. If VRAM is allocated, but not used, it is just wasted.

iRender - The best cloud rendering service for Cinema 4D and Octane

This article helps you to pay attention to some ways to optimize your scene in Octane better, so it can fit into your VRAM.

iRender provides you a high-performance and configurable server system for 3D rendering, AI Training, VR & AR, simulation, etc. We believe that design and creative activities are private and personal that only you artists will know what you want with your animation.

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If you use Cinema 4D, kindly create a remote machine with Cinema 4D pre-installed and you are provided one license free. Regarding Octane, you can transfer your own license, or contact us if you want to use our license. Our 24/7 staff will advise you on how to use it.

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Thank you & Happy Rendering!

Source and images: otoy.com

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Yen Lily

Hi everyone. Being a Customer Support from iRender, I always hope to share and learn new things with 3D artists, data scientists from all over the world.
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