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Duarte Farrajota Ramos ♦
Duarte Farrajota Ramos ♦
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I want to render an animation in separate layers, with Smoke (Volumetric)Smoke (Volumetric) on one layer and the Scene (Mesh)Scene (Mesh) on another. But I ran into a problem—when I enable Indirect OnlyIndirect Only for the smoke Collection (Domain)Collection (Domain), the Glossy/ReflectionGlossy/Reflection of the smoke gets cut off in the RenderRender, even though it looks fine in the ViewportViewport.

The image shows a simple scene without any extra Objects, Render Layers, or Compositing *The image below shows a simple scene without any extra The image below shows a simple scene without any extra Objects, Render Layers, or CompositingObjects, Render Layers, or Compositing.

Here’s what I’ve tried so far:

  • Different SampleSample settings
  • Disabling DenoiseDenoise
  • Disabling Motion BlurMotion Blur
  • Disabling Depth of FieldDepth of Field in the CameraCamera
  • Increasing all Max BouncesMax Bounces to 12 under Render > Light PathsRender > Light Paths
  • Render > Light Paths > Clamping > Indirect LightRender > Light Paths > Clamping > Indirect Light - testing different values
  • Enabling/disabling Render > Film > TransparentRender > Film > Transparent
  • Toggling Object VisibilityObject Visibility for both the MeshMesh and the DomainDomain
  • Testing different Domain (Gas)Domain (Gas) sizes, with and without intersecting the MeshMesh
  • Setting up the smoke ShaderShader with both Principled VolumePrincipled Volume and EmissionEmission
  • Adjusting Clip Start/EndClip Start/End for the CameraCamera
  • Moving everything to a new SceneScene

Please help, I’m out of ideas and not sure what else to try

I want to render an animation in separate layers, with Smoke (Volumetric) on one layer and the Scene (Mesh) on another. But I ran into a problem—when I enable Indirect Only for the smoke Collection (Domain), the Glossy/Reflection of the smoke gets cut off in the Render, even though it looks fine in the Viewport.

The image shows a simple scene without any extra Objects, Render Layers, or Compositing The image below shows a simple scene without any extra Objects, Render Layers, or Compositing

Here’s what I’ve tried so far:

  • Different Sample settings
  • Disabling Denoise
  • Disabling Motion Blur
  • Disabling Depth of Field in the Camera
  • Increasing all Max Bounces to 12 under Render > Light Paths
  • Render > Light Paths > Clamping > Indirect Light - testing different values
  • Enabling/disabling Render > Film > Transparent
  • Toggling Object Visibility for both the Mesh and the Domain
  • Testing different Domain (Gas) sizes, with and without intersecting the Mesh
  • Setting up the smoke Shader with both Principled Volume and Emission
  • Adjusting Clip Start/End for the Camera
  • Moving everything to a new Scene

Please help, I’m out of ideas and not sure what else to try

I want to render an animation in separate layers, with Smoke (Volumetric) on one layer and the Scene (Mesh) on another. But I ran into a problem—when I enable Indirect Only for the smoke Collection (Domain), the Glossy/Reflection of the smoke gets cut off in the Render, even though it looks fine in the Viewport.

The image shows a simple scene without any extra Objects, Render Layers, or Compositing *The image below shows a simple scene without any extra Objects, Render Layers, or Compositing.

Here’s what I’ve tried so far:

  • Different Sample settings
  • Disabling Denoise
  • Disabling Motion Blur
  • Disabling Depth of Field in the Camera
  • Increasing all Max Bounces to 12 under Render > Light Paths
  • Render > Light Paths > Clamping > Indirect Light - testing different values
  • Enabling/disabling Render > Film > Transparent
  • Toggling Object Visibility for both the Mesh and the Domain
  • Testing different Domain (Gas) sizes, with and without intersecting the Mesh
  • Setting up the smoke Shader with both Principled Volume and Emission
  • Adjusting Clip Start/End for the Camera
  • Moving everything to a new Scene

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Evgeniy Pupkin
Evgeniy Pupkin
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Blender Indirect Only Render Cuts Off Glossy/Reflection

I want to render an animation in separate layers, with Smoke (Volumetric) on one layer and the Scene (Mesh) on another. But I ran into a problem—when I enable Indirect Only for the smoke Collection (Domain), the Glossy/Reflection of the smoke gets cut off in the Render, even though it looks fine in the Viewport.

The image shows a simple scene without any extra Objects, Render Layers, or Compositing The image below shows a simple scene without any extra Objects, Render Layers, or Compositing

Here’s what I’ve tried so far:

  • Different Sample settings
  • Disabling Denoise
  • Disabling Motion Blur
  • Disabling Depth of Field in the Camera
  • Increasing all Max Bounces to 12 under Render > Light Paths
  • Render > Light Paths > Clamping > Indirect Light - testing different values
  • Enabling/disabling Render > Film > Transparent
  • Toggling Object Visibility for both the Mesh and the Domain
  • Testing different Domain (Gas) sizes, with and without intersecting the Mesh
  • Setting up the smoke Shader with both Principled Volume and Emission
  • Adjusting Clip Start/End for the Camera
  • Moving everything to a new Scene

Please help, I’m out of ideas and not sure what else to try