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  • Posts

    • @Ian10210123 https://dl.acm.org/doi/10.1145/3072959.3073591
    • @Librarian Sorry for bothering again. I can't find the video or any useful link. But I found this. Your comment before mentions Clebsch, but the website failed to show anything.   
    • Thank a lot @Librarian ! There's a lot of math inside   I'll try to figure it out
    • @Ian10210123 I posted that 3 years ago He use SphericalClebschMap you have files on Youtube Berlin MAth + advance MATH for Houdini to make those math Fileds   , also used velocity field (FLOW DATA) , volume_musical_isomorphism1 , magneticLaplacian, AKA Clebsch_solver, therefor he gets nice transition , you can also make this with regular velocity field on 2d volume with 4 different curves   , Just listen to Him on the end of that Video presentation when someone ask him HOW???  ..   v@s = point(0,"s",vertexpoint(0,@vtxnum)); v@uv; #include "math.h" float theta = acos(@s.y); float phi = atan2(@s.z,@s.x); @uv.x = phi/(2*PI); @uv.y = theta/PI; Just One PIC,( imagine this with sequence Frames) just simple ex. Just search Clebsch_solver BERLIN MATH Houdini  files exist Have FUN.
    • This problem has been bothering me for a long time. I want to recreate Simon's tide. I've been check out all the comments and discussion which talks about this. I've organized the following tips: 1. It drives by COPS pattern. Maybe he used the gradient as velocity field. 2. It uses 2d pyro solver 3. turn volume to heightfield and render as displacement map.   What I tried and can't figure out: 1. volume can split, but it don't stop. They will curl and make circle. It should still go forward and split. 2. It's not Rayleigh Taylor Instability which is triggered by density.   
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