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MorhafMehena

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About MorhafMehena

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    Peon

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  • Name
    Morhaf
  • Location
    The Netherlands

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  1. Iceberg shader

    You're absolutely right! I started out with a snow shader, but it looked horrible,so I tried the ice first. It's time to give the snow shader another try!
  2. Iceberg shader

    lol ah well, thanks anyway! I played with some different noises, this is the result (color corrected): Next gonna try to have the noise be masked by another noise.
  3. Iceberg shader

    Hi, I hope this is the right place to post this. I'm working on an ice / snow shader for an iceberg cliff. I am a beginner, so the shader is still very simple, it's just a surface model and some displ noise. I've played with the SSS, refl and refract settings a bit, and tried my hands at some noise, but its still a looong way from looking realistic. I really hope you guys can help me with this! This is where I'm at right now (sorry for all the big pictures): wireframe (the model still needs some more work): network: And this is the look I'm actually going for (shader wise). The goal is hopefully to have a realistic looking iceberg shader. To help other beginners, it would be nice to have a hip file at the end, complete with notes and explainations, so everyone can learn from it. I'm including the scene file (without HDRI, it was too big), so definitely feel free to have a go at it! I hope you guys like the initiative and contribute some of your vast knowledge Iceshader_v001.zip Cheers!
  4. setup whitewater with chached bgeos

    okay guys, this is driving me crazy. I have a bgeo flip sim cached out (with surface and velxyz fields), then somehow deleted my source file. So I now want to add whitewater to my cached sim. How do I set this up? I'm bringing the sim in with a file node, then I just click the shelf tool. it tells me to select a fluid, so I select my file node (what else is there) and I get an error saying no fluid selected.. What am I supposed to do?
  5. River Simulation

    Beautifull! I loved the mist at first, gives a very chill atmosphere, but now I think it may be a little too much.. The render looks amazing though
  6. Cloud Titans

    Awesome!! Not a fan of the fake camera zoom autofocus effect, but the rest is great! You actually gave me an idea for a future project, so thanks!
  7. Where's the "Keep only points" SOP?

    Thanks guys, it seems all 3 methods are working! It didnt make that much of a difference though.. size went from 292Mb to 282Mb. Probably because all the detail attributes were still there (vel, timescale etc, but I think I need those now to emit my splash particles from).
  8. memory doesn't get flushed after cooking a frame

    Well, looks like the problem dissapeared. I rearanged some nodes, put in a few new ones, replaced the VDBfromparticle by a VDBfromfluid, and it suddely worked out fine. RAM and CPU usage were stable, and the writing only took 2 min per frame (compared to 3 hours). Here's the setup: And here's the result (far from perfect, but not bad for a first try, right?):
  9. Where's the "Keep only points" SOP?

    Really quick question; where's the keep only points sop (the one that deletes everything but the points so you only mesh the particles without any fields), and what is its actual name? Can't seem to find it anywhere..
  10. Hi, I've seen a few topics on this subject, but none actually solved the issue in the end. So here's the problem: I'm writing out a flip mesh (vdb) to disk (using the rop output driver), and the first 1-2 frames go just fine (takes +- 3 min per frame). Of course Houdini uses a lot of RAM for this, but the problem is that it doesnt flush it after its finished writing out a frame. The cache stays, and houdini doesnt free up the memory, causing the whole computer to slow down (it then takes like 3 hours to write out 1 frame!). Is there a way to clear the node cache/memory after cooking a frame?flushing the cache from the cache manager isn't really possible (since I'd need to stop the writing after every frame). After i stop the writing, the memory only frees up again after I actually close houdini. p.s. I have an AMD FX8320, with 12GB RAM and a weta digital 3TB green HDD. Using houdini 13, on windows 7.
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