Learn about the Bifrost liquid node structure.
- [Narrator] A by-frost fluid simulation consists of…numerous nodes, that you must select,…in order to adjust their properties.…And the easiest way to select the nodes,…is from the Outliner.…I also recommend, enabling the display of shapes,…in the Outliner.…Go into the Outliner menu, and choose display,…shapes, and now we see,…not only the transform nodes,…or the position, rotation scale nodes,…we also see the shape nodes,…which controls the object's actual renderable surface.…
And let's go into one of these,…such as floor, open it up, and we can see that…the top level node just changed to an arrow,…and that's a transform node icon.…And below that is the shape node.…So, we've done that for all of the nodes in the Outliner.…Scroll down to the bottom,…and we've got the bifrost, transform nodes.…Open up bifrost liquid one,…and inside that is bifrost liquid container one,…which is the shape node.…
Select that, and now, you've got access to the…global solver settings,…or the bifrost liquid simulation.…If you select the transform node at the top,…
Author
Aaron F. Ross
Released
11/8/2017- Bifröst basics
- Analyzing the node structure
- Emitting from a polygon mesh
- Colliding with a polygon mesh
- Adding velocity, friction, and drag with motion fields
- Optimizing space and time accuracy
- Caching simulations
- Meshing and exporting liquids
- Render-time meshing in Arnold
- Applying channel data to Arnold shaders
- Generating foam from a liquid
- Rendering and shading foam in Arnold
Skill Level Advanced
Duration
Views
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Introduction
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Welcome51s
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Using the exercise files3m 3s
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1. Simulating a Liquid
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Meeting prerequisites2m 57s
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Understanding Bifrost3m 46s
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Choosing Bifrost options7m 20s
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Setting scene preferences3m 34s
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Laying out the scene3m 34s
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Emitting liquid from a mesh7m 39s
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Colliding with objects9m 25s
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2. Fine-Tuning a Liquid Simulation
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Tuning time steps6m 8s
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Tuning transport steps3m 39s
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3. Caching and Meshing
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Writing a user cache7m 38s
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Meshing the particles10m 28s
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Caching a mesh to BIF files5m 43s
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Exporting to Alembic5m 36s
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Setting an initial state3m 58s
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4. Shading a Liquid
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Rendering meshed voxels4m 52s
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Building a layered shader6m 44s
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Mapping specular roughness7m 59s
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5. Simulating Foam
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Adjusting foam attributes5m 12s
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Caching foam4m 4s
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Rendering foam in Arnold4m 7s
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Conclusion
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Next steps1m
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Video: Selecting Bifrost nodes in the Outliner