Collections visibility settings - Design Task #53493
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Reference: blender/blender#53493
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Problem
There are few scenarios to consider when thinking about the collection options:
Instanced group
Dupli vertices
Support simulation objects
Reference objects
Invisible to the camera
Light that contributes to the scene but is not visible
Proposed solution
Groups
There is still one scenario where the visibility control for render and viewport may be required: group instancing.
When you instance a group and have a highpoly object to be used for the final render, but also a lowpoly to be used only for the viewport.
For this case (group collections) we will implement a viewport and render collection options.
Example of solution applied to the presented problems
See the scenarios above and their respective image for reference.
Collection override for workspace "Only Render"
Use object duplicator visibility option to hide duplicator
Separate simulation support objects from the rest of the simulation
Different collections
Disable camera ray visibility for the wall objects
Changed status to: 'Open'
Added subscriber: @dfelinto
Collection Settings - Proposalto Collections visibility settingsCollections visibility settingsto Collections visibility settings - Design TaskAdded subscriber: @spockTheGray-4
Added subscriber: @TysonTom
This comment was removed by @TysonTom
Added subscriber: @ideasman42
Added subscriber: @mont29
Overall looks sensible to me…
Some questions/remarks:
"Only Render" means the object participates to render result (be it cycles, eevee, etc.), but not the overlays in 3DViewport, right? So int the end, per object, we'd have an absolute ON/OFF status (from 'compilation' of enabled/disabled flags from all collections an object lays in), and an "Only Render" option that sort of amends the ON status, if I understood correctly?
So only #5 (the invisble-to-camera one) actually needs a custom, specific flag & handling?
About #3: Not sure we need two collections for the physics in fact… Wouldn’t that collection layout do the expected work? That way, we can still use a single collection for a whole simulation (as far as simulation code is concerned).
One collection gathering all objects involved in simulation, both visible and invisible ones, set todisabled**. This is the collection you feed to simulator.
One collection gathering all visible objects involved in simulation, set toenabled**.
Added subscriber: @fsiddi
@mont29:
Correct. Exactly how we do in 2.79.
We will have no built-in "only render" option, but let users add a dynamic override for this if they need this granular control per collection.
I'm not talking about a new flag here. Instead, talking about sticking to what we already have (per-object engine specific camera ray visibility control). Eevee can use that as well if we want.
There is more than one way to skin a cat. IF users want to have a single collection for the entire simulation, what you propose is perfectly sound. Otherwise they can go with what I suggest. But I will update the task to include your idea.
Removed subscriber: @TysonTom
Added subscribers: @pablovazquez, @PawelLyczkowski-1
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Changed status from 'Open' to: 'Archived'