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title: "Houdini to Maya Alembic Workflow"
canonical: "https://documentation.chaos.com/space/VMAYA/111740014/Houdini%20to%20Maya%20Alembic%20Workflow"
format: markdown
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## **Overview**
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## **General Information And Considerations**
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### Custom Attributes
### Geo Nodes
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- **concrete **–** **generates the layer of concrete and the steel reinforcement. Use the ROP Alembic Output nodes inside to export:
- **bricks** – generates the bricks for the walls.
- **stucco**. Animation of the wall plaster.
- **roof**. Animation of the roof tiles.
- **roof_wood.** Animation of the wooden beams.
- **windows.** Animation of the windows.
- **balcony**. Animation of the balcony rails.
- **grass**. Animated grass growing.
- **flowers**. Animated growth of the flowers.
- **reference_model**. Here the model of the house is loaded from a .*fbx* file and is separated into walls and elements for easier navigation when doing the animations.
> Macro (ui-text-box)
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> You can generate the high poly models of the concrete and the plaster out of the “Concrete_Stucco_VDB_ROP” file.
> Macro (ui-text-box)
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> To keep the alembic file size smaller, the geometries are packed prior to the export.
> Macro (ui-text-box)
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> To get a more fluid look, the concrete and the outer plaster in the video are converted into very thick VDBs. To keep the file size small, they are written as low poly. You can export high poly geometries for these objects from the Houdini scene packed and available for download. Keep in mind, that if exported as high poly, the full size of the working files exceeds 23 GB.
### Maya Scene
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### Importing the Alembic Files
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### Scale
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## **Materials**
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> Macro (ui-text-box)
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> Primitive groups created in Houdini are preserved and accessible through the V-Ray Proxy as **Shader sets **(can be seen under the VRayMesh File Info roll-out). To isolate a material assignment to a specific primitive group/shader set, assign a [V-Ray Mesh Material](https://docs-chaos.atlassian.net/wiki/spaces/VMAYA/pages/111740008) to your Proxy object and connect the desired material to the respective Shaders[] input of the Mesh material.
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