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  1. Hi, We plan to build a custom modular rop network for exporting assets, we plan to have dedicated nodes to be responsible for setting asset info, component info, etc. Currently the idea is to link those values to the final export node via expressions, but I'd prefer to be able to pass the infor...
  2. Hey all, I have some geo based lava where im throwing the @uv through a solver offsetting the v value so it appears to flow. I'm trying to bring this into cinema, but the uv's seem to be static. When I re import the alembic into houdini, everything is animated and working. Anyone ever ru...
  3. Hi Wizards! I'm trying to use the Deadline ROP to send sims/renders to farm, but it's not using the Environment Variables from my scene file. Any idea on how I can inherit the environment variables? Thanks!
  4. Hello, I am looking for a way to recreate a maya reflection occlusion setup in Houdini. I am however unable to figure out how to switch a material on object level based on the active rop. (object level, so not the entire scene has the same material.) This did not work and...
  5. Hey All, I have a stadium which ive generated in houdini and want to bring over to c4d for render. I have a copy to points setup with pack and instance checkbox ticked, which gives me around 15000 packed geos. Upon bringing into c4d, it seems sluggish and slow and was wondering if there i...
  6. Diving inside the network i can see the rop fbx responsible for exporting the low res fbx geo. I am trying to do the same thing in an other setup but i cant figure out how does it get triggered. Usually you have to press the Save button or build a TOP network. i dont see any TOP networks i...
  7. I`m currently testing with vertex animation texture and i want to walk around on fractured pieces using my character but it seems not working. is there any way to make this possible? Vat seems like moving meshes but seems like collision position is not applied.
  8. i want to override the resolution of my camera through the switcher object and then render with opengl. its not working for some reason. The attached scene is the example file from the documentation. Mantra works but OpenGL doesn't! Why is that? is there a workaround?...
  9. Renderman (23.5, 24.0) has been running fine on the laptop in Pop!_OS!: Recently got a new desktop machine. Installed Houdini (Python2) and Renderman(24.1) on both Pop!_OS and Fedora systems, but whenever attempting to Render Preview in either or use the IPR Tool I always get this error with...
  10. Hello! I need some help to understand how to use some string expressions, I'm using Redshift ROP and I want to change the render paths on some AOVs using the Custom File Prefix from each AOV. I want they will be saved on the same folder like the main output path but with other names. So, I'm us...
  11. Hi there, I want share for free my presets for: Filecache Sops DOP I/O Sops ROP Geometry Sops ROP Alembic Sops ROP FBX Sops Included a litte PDF (english and italian language) with a small description. Why I create it? Because I'm "lazy" and I want s...
  12. I want to print all the bgeo.sc used in the scene.Using Python. hou.fileReferences() doesn`t give me any bgeo.sc used in the scene. I am looking for a way. Can someone guide me?? Thanks Hiro
  13. Hello, I'm exporting pcloud through Rop alembic and I'm trying to force the alembic export to create the indexed value for each individual strings. The current mechanism seems to be automatic when I got more than a certain amount of points. Lets say, 5 points with 5 differents value will...
  14. Hi Guys, is it possible to go ROP > COP > ROP I have a displacement from COP {noise} baked to texture, I would like to shading Color based on P.y but after displacement. Is there a way? I basicely using the same noise for Cd as for Displacement just shifted with ramp into some colors....
  15. [I think I'm probably more than a few days from understanding and being able to write the necessary recursive function, but I thought I'd tap the brains here to save time (or see if I'm on the wrong track and it's easier than I assume).] I want to build a list of render nodes that include the n...
  16. Good day everyone! I will begin to learn the basics of Houdini. Only I mainly use Cinema 4D. and now I decided to move to Houdini, so it became interesting to me and try to study. But one questions I ask you, how to make the dynamics of the elements contact the attractor objects? If you do not under...
  17. hey all, I'm trying to cache out some geos using alembic rop output driver to let them go to maya, it works but I'm having issues customizing the name of geos to get them right in maya for instance, in a situation like the image attached, I'd like to have an alembic that contains 3 mesh, e...
  18. Hello! I try to add pre-render script in the Alembic ROP. My goal is to prevent the ROP to write the Alembic file if the user clicks on NO on some dialog box raised during the pre-script. What should I do to stop the ROP? How do I know in the post_render script that the ROP didn'...
  19. Hello, I have a python script that saves geometry data to xml (that is later used in the game engine). I would like to make something similar to the ROP FBX Output node to save the xml file (to make it consistent with the other Save to Disk nodes in Houdini). I tried different HDAs/Asset t...
  20. Hey All, I've been trying to work out a simple pipeline to generate a crowd from impostors for use in Unreal 4 using models from Fuse with animations from Mixamo. Creating characters in Fuse is extremely fast and simple, and the one-click option to send it to mixamo to rig it and load in animat...
  21. Hello ! I'm learning houdini and tries to bake a simple position make texture using either the bake texture rop or the game baker shelf tool. Either way I get both error when rendering to disk. I'm using pighead geometry . Everything goes just fine when rendering to Mplay strangely. H...
  22. Hello, does anybody know how to render flat shaded scene from OpenGL ROP? I need to do some viewport renders and I would like to have the exact look as in the viewport when set to flat shading. OpenGL ROP renders out stuff in smooth shading, even if it is set to flat. Is it a bug, or I am doing so...
  23. Hi! I have a strange issue. When I write many files at the same time, some of them breaks. It can be 200-300 files simultaneously size of about 10 Mb, or 70-80 files of 100 Mb - I have the same result: files exists, but 5-10% raise read error in Houdini. They have a normal size or less than normal...
  24. Hey guys, trying to use the wedge rop to create multiple pyro wedges to then drive particles - i thought my setup was correct and cant find an error myself but all the wedges look identical, provided my file so have a look and would be great if anyone had any ideas Thanks as always Chris...
  25. This has been a big pain over the past year while using Houdini. While Mantra is amazing, I am still using 3ds Max and Vray as my main driver. I wanted to do a comparison in rendering (just because) and when I tried importing the alembic file, it crashes Max. So Ialso tried exporting the Alembic fi...
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