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- RealFlow's file format for particles and meshes is Alembic Ogawa.
- When a simulation is being cached the data is written to disk. Depending on the number of particles the cache files can become very large in size.
- Cached simulations cannot be influenced anymore, e.g. through daemons or objects. If you want to do that you have to re-simulate from scratch.
- It is possible to create a preview or play, stop, and resume the simulation at any frame.
- Meshing can be done in a separate pass once the particle simulation has been finished.
- Rendering from cached simulations is much faster, because all the simulation and mesh data is already existing.
- As long as you don't specify another "Cache Folder" or change a fluid's /mesh name, existing files will be overwritten when you press "Cache Simulation | Meshes" again.
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