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- Today
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erjon changed their profile photo
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Hello there good people, Do you guys have any tips on creating eye candy fluid sims, Specially Flip liquid Sims? Thanks in advance.
- Yesterday
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Awesome....thank you. This is where I got with Octane in C4D....I'm going to get try and get it with Mantra.... Really appreciate you sending that.
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Depending on the case, it can be a bit of a tight fit between the lowest GPU and the power supply. My concern would be the lack of space between the GPUs themselves. The RTX reference cards are open air cooler designs, so I'm not sure having them back to back would be such a great idea, heat wise. I would personally stick to blower fan designs for a 4-GPU system. Another thing to think about is the potential use of NVLink bridges down the line (to take advantage of memory pooling). I don't believe that's possible in a standard full-size tower layout, because the NVLink bridges expect a PCI slot worth of distance between the two bridged cards. You can get around that with riser cables and custom cases, and I think on the Redshift forum someone got 4 RTX cards/2 NVLink bridges working.
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I tried using nested dielectrics and absorption. if you force specular of air bubbles you would get those sharp highlights as well. You should increase a bit the render quality maybe, I'm on a laptop. nested.hipnc
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Hey guys, I'm traveling to NY in june, mostly to buy new hardware. Did some research and spoke with some friends and this is what I have so far, wanted to give a last check, my main uses are Houdini sims / motion graphics, redshift/octane, zbrush. MOTHER Gigabyte x399 Aorus Xtreme PROCESSOR Threadripper 2950x RAM G Skill TridentZ 3200mhz CL14 (128 gb) GPU 4 x EVGA GeForce RTX 2080 Ti Questions: Does this mother support 4 gpu? a friend told me to be careful about the space with the power supply and stuff. This threadripper is good? or should I go for another? I want the sims to be quickest as possible For GPU, should I pick the Ti or the normals? there's a 300usd difference between each. P.D: I'm thinking about buying via Amazon, but I'd prefer to go with cash, amazon has AmazonCash but with a 500usd limit, so if anybody knows a nice place to buy this type of hardware at good price in NY will be super helpful. Thanks!
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Yeah, in summary, you have to calculate v by importing the tangent normal of the curve and pcopen allows you to import the normals from the curve so that you can use it for velocity and in turn apply that to your POPs. You can also just try using the pops curve force node, it works with multiple splines as well. I hope that's helpful, the files linked in this thread were helpful for me as well and hopefully could be of some use to you too. Cheers, Christian
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nothing you are welcome (Studio)
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What's a good method for preserving particleIDs? As particles die, Houdini reassigns the IDs, right? I need to preserve the particleIDs so I can calculate acceleration for multi-step particle motion blur. For this to work, the IDs need to stay consistent and not be reused. I've tried a combination of the Trail SOP and a SOPSolver looking up the previous frame ID to carry it forward, but once the particles start dying this falls apart. -- mC
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Trying to figure out the best approached to creating particle systems that are unique and isolated to packed primitives. Basically, I've got a rigid body shatter effect and for each packed prim I want to have an energy effect that travels along with the prim geo. I'm after a particle effect that basically 'clings' to the surface with maybe the occasional wisp or particle that escapes a tightly controlled field around the surface. I don't want a comet trail/firework sort of effect as it travels through space. Think of something like an ether fire engulfing an object: all flame and form around the source without any smoke emission. For instance, the look could be similar to stationary geo with a VDB-driven velocity field manipulated by curl noise. It feels like my base needs to be a per-piece particle system that starts as a scatter-on-surface system and...then everything I've tried just doesn't get me where I need to be. So, I guess my questions are: Is a for-each loop pretty much a given here? Any way I can avoid making the first step in the for-each loop an unpack? Because, you know, that's painful... How do I keep the particle system contained to the volume of the packed primitive/fragment geo? This isn't meant to sound as broad as it might; I've got (I think) a fairly good understanding of forces/velocity/etc in POPs/DOPs but I just can't seem to find the right combo here. The particles need to inherit the overall velocity/acceleration/transformations of the fragments as they transform, but they need to do it in a contained, volumetric fashion. My prototype tests have been getting me imagery that at one extreme looks like the particles are getting 'stamped' in space and like the comet tail at the other. I've tried a few ways to create a VDB per-fragment, and it, uh, wasn't a pretty for performance or visuals. (willing to take the perf hit for the right look, btw) I literally had not considered pyro for this until typing the ether flame description in the post. Does this sound like something suited for a pyro solver? Haven't done much pyro besides some advection hijacking. I'd be grateful for any advice. Thanks! -- mC
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thank you very much
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The "Houdini Master" title is based on your number of posts. The leaderboard is calculated based on number of posts/day and the +366 is a reputation marker. The more likes you get on your posts the higher that number. Simple
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is it it possible to scatter points to changing geometry and uv
flcc replied to Yehbe's topic in General Houdini Questions
May be you should take a look here ? -
WE GOT THIS COVERED! Thanks so much for the replies. Huge thanks to all the talent on Oddforce!!!!!!!
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You can just delete the corrupted file. It will be recreated when Houdini starts.
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My SVGIcons.cache file became corrupt anyone can share an un-corrupted version of this file ?
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@DoxiaStudio Peace & Love
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Thanks Julian. This is a pretty nice setup and pretty simple. Although I'm still in the beginnings of learning VEX and not very far along down that path. I will use this to learn from though. I mostly understand what going on in the expression but I'll have to do some more research on the stuff I don't know yet. Thanks for the help!
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I was letting people know about the free tutorials in Houdini for beginners and you only saw the patreon link. You gave that reply and misjudging the post without even check the links to see the beginner tutorials are available to everyone. Or maybe, I was not clear on the message and should spam more the "free" word... But well, this post was more for people who need help and are willingly happy to learn. And if they want to know more, they can have access to other stuff on Patreon. cheers
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His nickname is Toadstorm lol
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Hey @christianl013, I've got a similar problem where i need to use multiple curves to contol a pop sim with curve force; would you mind sharing with me how you achieved it with pcopen? Thanks in advance! Cheers, C
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Now it works fine , thank you.
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Delete FIRST and LAST point of line geometry
ThomasPara replied to Sunsheku's topic in General Houdini Questions
//set a wrangle to run over primitives int primpts[] = primpoints(0,@primnum); removepoint(0,primpts[0]); removepoint(0,primpts[-1]); -
Track 3D geometry to a face - PfTrack with Houdini?
6ril replied to RevEllaht's topic in Animation & Rigging
Dam! no reply on that topic : / I'm looking into PFtrack atm too... Trevor, have you used it with Houdini ? -
Hello again! I was trying out your setup, it works for all intents and purposes. I am just wondering if there are other ways to accomplish this?
