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Mist is treated separately, because it does not emit particles. Mist is a variable density field to represent hazy or foggy areas with droplets too small to visualize them as individual particles.
Concepts
The great advantage of the HySPH emitters is flexibility. Secondary particle emitters are restricted to a certain space, also called a domain. This concept allows you to create defined zones where secondary particle are created. Another huge advantage with domains is that they can be calculated independently and therefore it is possible to distribute the simulation of splashes or foam over multiple computers using IDOCs (Independent Domain of Computation). You can access core fluid particles from several computers and each of them carries out a certain number of splash domains, for example. As long as the domains are calculated on different machines, they do not interact with each other, but in most cases that is not really necessary. Of course, this workflow requires an appropriate number of RealFlow licenses. For more information please contact Next Limit's sales team.
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Another sophisticated feature is the user’s freedom to decide whether the particles should be generated while simulating the core fluid or create them in a post process from a cached Hybrido sequence. With small scenes it is surely not a problem to do all this within a single scene, but with multiple secondary particles from different emitter sources, it is the right time to think about network simulations with RealFlow's IDOCs.
Particles
Splash and foam particles act like standard particles and they share some of the physical properties of their counterparts. They can also be influenced by most of RealFlow daemons and react with each other. Nevertheless, there are few differences – mainly to accelerate a simulation:
- The default type is “Dumb”.
- You can only choose between “Dumb” and “Liquid” particle types.
- Hybrido secondary particle emitters use a reduced set of parameters.
- Currently, HySPH particles cannot contribute to wetmaps. These maps can only be created from "real" SPH emitters.
Daemons
Please take a look at the table under "Daemons - Compatibility Table". There you will find a complete list with the daemons which can be used with HySPH particles.
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