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Loading Alembic scene for rendering with Arnold


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Hi guys,

 

Houdini noob here. SolidAngle released the HtoA 1.2.2. which fixes all the Python drama for Windows 8.1. Arnold works in H14 now but I'm running into a serious problem. I do simple animations and all my modelling in Modo and I transfer it to Houdini using Alembic. This works well when your on Mantra but apparently for Arnold there are some special requirements I cannot seem to figure out. It just doesn't render...

When I load an abc scene normally in Houdini everything works as expected. So I make my Arnold lights, shader and ROP and... black screen in my ipr render. okay; I drop in a houdini sphere and it renders fine.
Am I missing something? I tried loading via the Arnold Alembic procedural but that doesn't seem to do anything either! I'm sitting on 5 Arnold licenses here and would really like to use them  <_< .

 

thanks for any thoughts on this!

J.

 

EDIT: FBX works without issues... strange

Edited by Jebbel
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  • 2 weeks later...
  • 2 months later...

I am having the same issue ... 

 

my alembic geo renders fine in mantra ... doe snot render at all with arnold.

 

... even if I load as houdini geometry.

 

- I imported the same geo as obj and it worked fine ... im gonna play with more options in the .abc.

Edited by Mdonovan
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just got some feedback from the guys @ Solid Angle  :

 

You need to do this in the Alembic node:

 

   Load As = Load Houdini Geometry

   Poly Soup Primitives = No Poly Soup Primitives

 

"Load Houdini Geometry" is deprecated for Mantra only (because they have an Alembic procedural they can use).

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