Cycles Vertex Color material is all black

Hi, I have a mesh that baked from GH with vertex colors. It looks like this.

(Shaded view)

(Raytraced view)
When applied the Vertex Color Material it is all black.

System Info:

Rhino 7 SR0 2020-11-4 (Rhino 7 BETA, 7.0.20309.06003, Git hash:master @ 368ab021c8426434a95c36999f545f918e04df2c)
License type: Educational, build 2020-11-04
License details: Cloud Zoo
Expires on: 2020-12-19

Windows 10.0 SR0.0 or greater (Physical RAM: 32Gb)

Non-hybrid graphics.
Primary display and OpenGL: NVIDIA GeForce GTX 980M (NVidia) Memory: 4GB, Driver date: 10-22-2020 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 457.09

OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
Redraw scene when viewports are exposed: On

Anti-alias mode: 4x
Mip Map Filtering: Linear
Anisotropic Filtering Mode: Height

Vendor Name: NVIDIA Corporation
Render version: 4.6
Shading Language: 4.60 NVIDIA
Driver Date: 10-22-2020
Driver Version: 27.21.14.5709
Maximum Texture size: 16384 x 16384
Z-Buffer depth: 24 bits
Maximum Viewport size: 16384 x 16384
Total Video Memory: 4 GB

Rhino plugins that do not ship with Rhino
C:\Program Files\Chaos Group\V-Ray\V-Ray for Rhinoceros\V7\VRayForRhino.rhp “V-Ray for Rhino”

Rhino plugins that ship with Rhino
C:\Program Files\Rhino 7 WIP\Plug-ins\Commands.rhp “Commands” 7.0.20309.6003
C:\Program Files\Rhino 7 WIP\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 7 WIP\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 7.0.20309.6003
C:\Program Files\Rhino 7 WIP\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 7.0.20309.6003
C:\Program Files\Rhino 7 WIP\Plug-ins\rdk_ui.rhp “Renderer Development Kit UI”
C:\Program Files\Rhino 7 WIP\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 7 WIP\Plug-ins\RhinoCycles.rhp “RhinoCycles” 7.0.20309.6003
C:\Program Files\Rhino 7 WIP\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 7.0.20309.6003
C:\Program Files\Rhino 7 WIP\Plug-ins\3dxrhino.rhp “3Dconnexion 3D Mouse”
C:\Program Files\Rhino 7 WIP\Plug-ins\Displacement.rhp “Displacement”

Any ideas?

I’m looking into it, the data transfer of vertex colors has changed a bit, so you see only black at the moment. To render vertex colors for now you have to stick to v6.

1 Like

Good to know Nathan, thank you, and happy birthday! :partying_face:

Thanks :slight_smile: