Instanced Metaballs not rendering but showing up in Viewport #69753

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opened 3 years ago by AlexanderOtto · 19 comments

System Information
Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: Quadro P2000/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 417.71

Blender Version
Broken: version: 2.81 (sub 10), branch: master, commit date: 2019-09-10 22:12, hash: 4ce3fbd52a
Worked: (optional)

Short description of error
I can't seem to get Verts- or Faces-Instanced metaballs to render, but they show up nicely in the viewport. This behaviour can be observed with Eevee and Cycles.

Exact steps for others to reproduce the error
In a fresh standard Blender scene create a metaball mesh, parent that to the standard cube and activate Verts or Faces Instancing in the context menu of the cube. Now render and (I) get a blank screen.
metaball_rendering.blend

**System Information** Operating system: Windows-10-10.0.18362 64 Bits Graphics card: Quadro [P2000](https://archive.blender.org/developer/P2000.txt)/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 417.71 **Blender Version** Broken: version: 2.81 (sub 10), branch: master, commit date: 2019-09-10 22:12, hash: `4ce3fbd52a` Worked: (optional) **Short description of error** I can't seem to get Verts- or Faces-Instanced metaballs to render, but they show up nicely in the viewport. This behaviour can be observed with Eevee and Cycles. **Exact steps for others to reproduce the error** In a fresh standard Blender scene create a metaball mesh, parent that to the standard cube and activate Verts or Faces Instancing in the context menu of the cube. Now render and (I) get a blank screen. [metaball_rendering.blend](https://archive.blender.org/developer/F7735274/metaball_rendering.blend)
Poster

Added subscriber: @AlexanderOtto

Added subscriber: @AlexanderOtto
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#72940 was marked as duplicate of this issue

#72940 was marked as duplicate of this issue
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#71240 was marked as duplicate of this issue

#71240 was marked as duplicate of this issue
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#65186 was marked as duplicate of this issue

#65186 was marked as duplicate of this issue
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#71242 was marked as duplicate of this issue

#71242 was marked as duplicate of this issue
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Added subscriber: @JacquesLucke

Added subscriber: @JacquesLucke
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I can reproduce the issue.

I can reproduce the issue.
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Added subscriber: @mano-wii

Added subscriber: @mano-wii
Collaborator

This is because the original instance is motherball, and by design an original instance is never rendered.

See instanced-verts-as-an-arranging-tool :

The original monkey head at the center and the parent mesh are still shown in the 3D View but neither will be rendered.

This issue has been reported multiple times.
So I will set it as a high priority.

This is because the original instance is motherball, and by design an original instance is never rendered. See [instanced-verts-as-an-arranging-tool ](https://docs.blender.org/manual/en/latest/scene_layout/object/properties/instancing/verts.html#instanced-verts-as-an-arranging-tool): > The original monkey head at the center and the parent mesh are still shown in the 3D View but neither will be rendered. This issue has been reported multiple times. So I will set it as a high priority.
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Added subscribers: @Michellevl16, @DuarteRamos

Added subscribers: @Michellevl16, @DuarteRamos
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Added subscribers: @DONGHOONKIM, @stratmann, @raybender-4, @FinbarrORiordan, @ZedDB, @brecht
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Added subscribers: @SecuoyaEx, @grosgood, @afeso

Added subscribers: @SecuoyaEx, @grosgood, @afeso
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Added subscriber: @sylvain.deray

Added subscriber: @sylvain.deray

Added subscriber: @FrancoisBasson

Added subscriber: @FrancoisBasson

Added subscriber: @jonaskohl

Added subscriber: @jonaskohl

Added subscriber: @marioamb

Added subscriber: @marioamb
dr.sybren self-assigned this 3 years ago
Collaborator

I have a fix proposal in D7478.

I have a fix proposal in [D7478](https://archive.blender.org/developer/D7478).
Collaborator

This issue was referenced by a8441fc900

This issue was referenced by a8441fc90086bf21dc50dc9dcd6085e0a0674921
Collaborator

Changed status from 'Confirmed' to: 'Resolved'

Changed status from 'Confirmed' to: 'Resolved'
dr.sybren closed this issue 3 years ago
ThomasDinges added this to the 2.83 LTS milestone 2 days ago
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Reference: blender/blender#69753
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