I don't have too much experience with it, but at the current state, you can definitely create realistic simulations in Houdini, BUT it's not even close to comparable in speed (hopefully sidefx will improve on this). Houdini straight away offers a better system for controlling the simulation by being able to modify the solver how you see fit (via the microsolvers), and via all the other Houdini awesomeness. Realflow, however is by far the faster one when it comes to fluids, but at the cost of control… as soon as you start adding in control to realflow with scripting, you start to lose a good bit of speed, though I'd still wager it's generally faster even with a lot more particles and a complex scripting setup. (Realflow5 is supposed to have an sdk if you're into C++, so you can speed stuff up there) Another thing to keep in mind is that Houdini also has voxel fluids, and the ability to combine them with particles, which realflow4 does not have (but Realflow5 will). Houdini does offer a few things that realflow doesn't though, like distributed sims, which probably help a lot if you have a renderfarm (can't test this with the apprentice version however).
..My 2 cents…
P.S. Naiad is the one to look out for though… Not sure the release date, otherwise I'd say just learn this for fluids… http://www.fxguide.com/article606.html [fxguide.com]
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Houdini Lounge » Houdini liquids vs realfow
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Houdini Lounge » Vancouver Houdini User's Group - Weds May 5
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hmmm… well… okkk… but it better be cool! I think I've worked it out, so we should be able to make it… let's hope traffic cooperates.
–Ian
–Ian
Houdini Lounge » Vancouver Houdini User's Group - Weds May 5
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What do you guys usually go over / talk about?
I'll prob be coming anyway (plus another guy) if I can work out the timing, I'm just curious anyway.
I'll prob be coming anyway (plus another guy) if I can work out the timing, I'm just curious anyway.
Houdini Lounge » Houdini fluids used in movies
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Work in Progress » Fluid Meshing Experiment
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^^ Looks Cool! ..now lets see the animation.
^Look for the Particle Fluids shelf tab… it can set up a basic particle fluid simulation from an object or a default emitter. It will also create a particle fluid surface node, but it's disabled in the viewport by default. You can also use the surfacer on regular particles as well.
^Look for the Particle Fluids shelf tab… it can set up a basic particle fluid simulation from an object or a default emitter. It will also create a particle fluid surface node, but it's disabled in the viewport by default. You can also use the surfacer on regular particles as well.
Technical Discussion » no icons, slow running, in Debian 64
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