![]() Some do and some don’t, but everyone agrees that indie authoring works vastly better than paying a vanity publisher to produce a book.īut an indie author is responsible for EVERYTHING. In recent years, a large number of authors have gone indie because they hope to earn more money than they could get by selling their book rights to a traditional publishing house. The indie author is responsible for production and marketing of the book and gets all the revenue from the book. shores and open ocean waves.One question I hear over and over again from writers who want to become indie authors is: “How do I format an e-book?”Ī quick definition: An “indie author” is a writer who acts as his or her own publisher. Narrow band speeds up tank-like simulations, e.g. Narrow band technology is not available for Vellum fluids. SOP-based FLIP fluids are currently not distributable.įLIP particles carry ID and age attributes. Vellum fluids are compatible with the Vellum Brush SOP tool.ĭOP-based FLIP fluids are distributable for simulation on multiple machines. This is currently not possible with SOP-based FLIP fluids. Vellum fluids don’t support air compressibility.ĭOP-based FLIP fluids support the simulation of air compressibility, for example to create bubbles. Interaction with other Vellum objects, such as cloth, softbodies, balloons, and grains is possibleįLIP fluids can only interact with collision objects. Vellum fluids support multi-material simulations. FLIP fluids with viscosity tend be more stable. Highly viscous or slow moving FLIP fluids usually require higher substeps. Highly viscous fluids generally require higher substeps to avoid instabilities. Higher substeps in FLIP are expensive to solve. For accurate collision with fast moving fluids or obstacles, higher substeps might be required.įLIP fluids use adaptive substeps with minimum and maximum values. Higher substeps have lower impact on the GPU.įLIP fluids usually work with 1 or 2 substep. Vellum fluids usually require higher substeps, typically between 5 and 10 substeps for simulations with low viscosity and surface tension. SOP-based FLIP fluids don’t support the creation of secondary effects at the moment. In DOP-based FLIP fluids, this information is used to create secondary effects, such as foam, spray, and mist. ![]() Vellum fluids don’t export fields for the generation of secondary effects like foam or spray.įLIP exports field and surface information similar to the Ocean solver. ![]() honey, object filling, waterfalls, or shores with breaking waves. splashes, pouring water, or object-filling.Ĭan be used for a range of different scenarios from small-scale to large-scale, e.g. Mainly used for small-scale simulations, e.g. Particles or objects outside the domain will not be considered. ![]() Stray particles are possible.įLIP works within a domain. In FLIP, particles are only used to mark the cells and carry field information. More particle will not increase the fluid’s volume. More particles mean more fluid, increasing the volume. Fields are solved for the fluid’s behavior. Cells are filled with particles carrying field information like velocity. Particles have constraints which are solved to simulate the fluid’s behavior.Ĭell-based. For FLIP fuids, please consider that Houdini provides DOP-based and SOP-based setups since version 19.5 There are also some fundamental differences in terms of setup, simulation, and interaction with other objects: Vellum fluids and FLIP fluids are completely different solvers and they're not able to interact.
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