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ivr

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About ivr

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    Ivr
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    United Kingdom
  1. Snow Solver

    Hello, everyone! Have you ever used the HDK snow solver for effects? I'm currently looking for examples for it. I'd gladly accept any examples, even with another solver, not necessarily the HDK one. Thanks!
  2. I have tried recreating Azmisov's snow node network (https://github.com/Azmisov/snow), but using the hdk snow solver instead of his custom one (I noticed there were some similarities). In the file attached there is no simulation playing. I assumed it was because of the solver not having an input to calculate on. In /obj/mpm/MPM_DOP/mpm_solver/sopgeo1 , the Data Name parameter should be "particles" for anything to happen (I assume), but once I write that in, Houdini crashes with a segmentation fault. Do you know where am I making a mistake here? Or could you point me to an example of using the hdk snow solver in a network? Thanks! snowSolver_1.hipnc
  3. Custom Solver

    Thank you! That clears out the options. I have tried recreating Azmisov's node network, but using the hdk snow solver instead of his custom one (I noticed there were some similarities). In the file attached there is no simulation playing. I assumed it was because of the solver not having an input to calculate on. In /obj/mpm/MPM_DOP/mpm_solver/sopgeo1 , the Data Name parameter should be "particles" for anything to happen (I assume), but once I write that in, Houdini crashes with a segmentation fault. Do you know where am I making a mistake here? snowSolver_1.hipnc
  4. Hello, everyone! I'm attempting a snow solver inspired by Azmisov's one (found here: https://github.com/Azmisov/snow ) My main problem right now would be which is the language/framework that would allow for the extensiveness that I need. I want to create a custom dynamics solver. The Azmisov implementation was done in HDK, but being more familiar with python, I was looking if it could be an alternative. Meanwhile, the majority of python examples focus on SOPs and procedural geometry creation. I have also read that creating a new dynamics operator with python is not recommended (Deborah Fowler's page). There would also be alternatives with VEX, simple solver node or a script node. I am interested in finding out the differences and what would suit a custom DOP solver. Thanks, Ivr
  5. Azmisov Snow Simulation

    Hello, everyone! I have tried the implementation of snow done by Azmisov, found here: https://github.com/Azmisov/snow In his falling_spheres.hipnc example, I looked at his multisolver which has a long list of parameters in the interface. Inside the solver there are a lot of nodes (including an empty object) which once you middle click on them, they display the number of particles (defined as a parameter of the multisolver) and the attributes of the particles (density, position etc.). There are no obvious connections or paths specified and I couldn't figure out from his code either how he managed to send that information around. I attached a photo to better explain what I am confused about. Thank you!
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