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mikkelm2

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About mikkelm2

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    Mikkel
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    USA

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  1. Flip mesh and Infinite ocean

    Sorry guys.. i wasen't able to find the project file! However.. the workflow is very simple, instead of the grid node attached to the ocean spectrum, you simply create a file node, load in your flipmesh bgeo's and link the file node as the grid node was linked! Let me know if you have any problems..
  2. Flip mesh and Infinite ocean

    Sorry for the late response guys!!! I've been away from the forum for some time.. I will look for the project file and re-upload it if i find it!!
  3. Hey guys!!! I’m playing with a large ocean render using Mantra PBR. In my scene i have a simple HDR environment light, and an Area light. The Area light is actually creating all the specular highlights in this render and shader is the default from ocean waves. I’m not sure what passes to render for composite.. Right now i’m rendering depth pass, normal pass and directreflection pass. I would really like to have the specular in a pass, and maybe some kind of motion vector pass, how do i achive this? Since i'm using the defualt shader, i'm guessing i just have to use the correct vex variables for output extra image planes? If that makes any sense.. And can you houdini experts perhaps recommend me some other passes to render for oceans and flip fluids? Any help is greatly appreciated, thanks!
  4. Hello Sandra, i simply used FLIP tank and whitewater for all the fluid shots. Thanks sankarakumar! You can find all the information you need for velocity shader at this post http://forums.odforce.net/topic/21784-flip-fluid-mantra-velocity-mesh-pass/
  5. MIKKEL Houdini R&D Reel 2015 - Alot of work in progress, unfinished shots and tests, enjoy
  6. Houdini Caterman WIP - FLIP Render 2015

    Thanks for your comment, you could be right about the scale is too small! It's always hard to get the scale right.. Added that to the list of things needed to be fixed for next test, thanks McNistor!
  7. Houdini Caterman WIP - FLIP Render 2015

    Wow, thanks alot McNistor!!! Appreciate your comment! I will definitely make another version with more particles!
  8. Tornado

    Very nice sir! And thanks for sharing!
  9. Hey everyone! So here's a little quick project i did this weekend, it's pretty low-res. I'm not satisfied with the foam pattern so for the next simulation i'm gonna try some custom velocity forces to generate foam from more specific areas, and of course up-res the particle numbers ALOT! Any feedback appreciated - Enjoy! Technical specification: Main FLIP Simulation: 3hours 30min Foam Simulation: 3hours 40min Meshing Process: 2hours Main FLIP: 6.000.000 Particles Foam: 500.000 Particles
  10. Naming the channels "RGB A" is not a bad idea at all, i will try! Thanks Houdini master! I did a quick work-around to export it, i was able to import my .exr file into houdini and export the speed channel as a .png sequence to after effects. But for the png sequence to work and show the speed channel in after effects, i had to set it as my "Color plane" Here's an image so you can see - The speed pass is for some reason called "1" btw. Here's a quick render test from the .hip file you posted. AhmedSaady, you mentioned this: "I think you are getting this high white value bcoz you did not calculation your vel , so use your length to calculate it in vop sop , then i think you will read it in Mentra correctly." Is the velocity not being caulculated? Which vop too add to the length, to calculate velocity? I want to fix the speed gradient, is way to white like you said..
  11. No apologies needed, i'm really glad you took the time needed to explain.. really appreciate it man! I definitely have to study more, but this is a great starting point and a huge, huge help. And you are correct about the working exr file, i also tried exporting tif and i can verify that both formats work with the speed channel! However i am not able to view the file on windows, and when trying to import to my compositing program (After effects)i get an error.. It's like the speed channel in the tif/exr is only supported by houdini? How can i render speed to a flat .tif?
  12. Where in the shader do you add a parameter to call the cooked velocity?
  13. The setup you did is definitely working, i can see the speed pass in the mantra1 render. I found your nodes with the speed calculation, but i still can't find this "lone parameter node" within flipfluid material node.. i'm looking in shop > basicliquid For some reason my speed pass is a corrupted file when i export it, i've tried using .tif and .exr. When i change the VEX Type from Float Type to Vector Type, it exports a working file but it's empty.. it only contains an alpha channel.. Here's my scene file and exports i did. Download link: http://files.m2film.dk/FLIP_V2_VelSpeed_Export.zip
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