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Found 229 results

  1. Free video tutorial can be watched at any of these websites: Fendra Fx Vimeo Side Fx Project file can be purchased at Gumroad here: https://gumroad.com/davidtorno?sort=newest
  2. Houdini Villiaumite Crystal Tutorial

    Let's talk about minerals and crystals In this video I'm gonna talk about doing some simple modeling, shattering and fracturing the crystals, we're also going to take a look at rendering and generation some procedural materials. It's a long video but it might be helpful especially if you are new to Houdini. Also, you can find a lot of great websites for finding reference images for minerals. I mostly use these two. https://www.mindat.org/ https://www.minerals.net/ You can find the tutorial on my youtube channel: https://www.youtube.com/simpleandprocedural I've also included the hip file and here's a download link: https://microverse.art/?smd_process_download=1&download_id=2678
  3. Houdini Abstract Virus Tutorial - Part 2: Render Download project file: https://microverse.art/?smd_process_download=1&download_id=2655 Check out my website. https://microverse.art/ Sound design: Neema Abolghasemi LinkTree: https://linktr.ee/armin_lotfi Behance: https://www.behance.net/armin_lotfi Artstation: https://www.artstation.com/armin_lotfi Instagram: https://www.instagram.com/armin_lotfi/
  4. I don't know why but whenever I try to click on "Render to Disk" in Mantra ROP, it starts background rendering even though I didn't click on "Render to Disk in Background". Does anyone know why is this happening ? I don't want to put rendering in background.
  5. No shadows on tiles

    Hi, my problem is that I cannot create shadows on my tiles. test.01.hip Whenever I render with Arnold and a skydome light, there are no shadows on my tiles. Any help would be appreciated. Thanks.
  6. Smoke not visable

    Hi All, for my uni project created this satellite destruction. I have attached the billowy smoke pre-set to the Debris source and it does not show in viewport or render view? But as I don't have any error messages I can't figure out why it won't show... All and any help in the right direction would be appreciated as my deadline is next month! Ill attach both files above. TIA, Calan. Save.16_Smokenotworking.hip Auto_UV_sat.obj
  7. Hello, I'm brand new to Houdini and have been working on a "shockwave" effect and I have just looked in the Render View and there was only black screen. Then I tried to actually render it but it would still only show a black screen. I've attached some images below to show the issues that I'm having. This is my Network inside of a Geometry. This is how it looks inside Scene View. This is how it looks in the Render / Render View. Here's the project file. Please help me out if you can learning shockwave.hip Thank you.
  8. Render Flip Mask

    Hi, I have a big splash into a large ocean extended and I would like to render separately de mesh into the mask and the other one, but I can't find the way. Does someone know how can I do this? Thank you very much.
  9. Subdivision render artifact

    after the subdivide node you can see these star shaped polygons appear and as a result produce render artifacts. How can i fix this? subdivision is not really needed in the center of the circular polygon but mostly on its edges so that they get rounded along with the rim.
  10. The same tree, but only the first tree has leaves, the rest of the trees have no leaves. (Arnold Render) Can you see why? No problem in Mantra. ArnoldRender_Tree_test.hiplc
  11. Hello guys, I have this Bendangle attribute that I am using as a color in my redshift material. I don't have any issue when I convert it to a Cd attribute and then use the RSUserColorData vop node, but because I want to import two attributes, I couldn't convert them both to Cd as I would have two different attributes with the same name. So I am feeding my attribute (RSPointAttribute) to a RSColorConstant to my material and this happens (screenshot). this effect turns up. What am I doing wrong? Tx
  12. Hello guys, You see in every tutorial how to remove noise on a render by adding more pixels per samples. I like noise, but I only want it on the background lighting and not on my geometry. How can I do this? Cheers!
  13. Cop texture to Karma

    Hi guys I am trying to export a map from cop directly to karma but it's not working. how could i fix it ? thank you .
  14. Ocean Foam doesn't work

    Hi everybody, I'm having a problem with the Houdini Ocean Tools. In particular, the Foam SOP doesn't seem to be working at all. To make a comparison, here are some screenshots of an ocean rendered with Houdini 15 prior the introduction of the new HOT (when the foam was texture based). This organic pattern seems quite impossible to achieve in Houdini 18: no matter the density of the foam that I get in the viewport, I can't manage to get this pattern in the render. All the caches are working and linked to the Ocean surface shader properly, and all the tweakes I did on the shader itself only enhanced the whiteness of the waves whitecaps. Even the same Houdini files from the Ocean Masterclass in Houdini 16 doesn't give the same results as the presentation videos. All I could do was to render out the Ocean Foam SOP particles as points using a Principled Shader (or giving them a Density attribute and then render them out as a volume) but having the foam working properly from the Ocean Surface shader would be much more handy. Does anyone knows a possible solution for this? Is it a bug?
  15. Bake Texture of Hair on a Geometry

    I'm having a hard time getting the "Hair Generate" node of my geometry to be projected in its UV when using the "Bake Texture" node. The error presented is that there was no normals and UV map for OUT_GROOM when I tried with the settings of the image (geometry and hair are inside subnet1). I already tried on a "Geometry" node to use the "Object Merge" to bring the geometry and the hair together, and this works so that at least I can project something on the UV. Still, that way I can't apply a material like the "Hair Shader" to the "Object Merge" of the hair, the hair always stays white. No surface base color is showing.
  16. Mantra render process script

    Hello I want to know process of 3d to 2d. Do you know the location that process mantra script? (Ex) mantra.py)
  17. Hello I'm almost newby haha I have big problem that is this : I want know Object point value(px,py) on render view after rendering and that parameter for python script (Sorry I 'm not good English...ㅠ_ㅠ) MY goal is find the obj Maximum , Minimum point values(px.py) and than I draw box window with those points. how can i do?
  18. Like I was trying to generate some cloud by copy to point with one cloud input. According to the help file, packed geometry will certainly reduced lots of render resources because it will ignore the geo outside of the frame, but when it comes to volume, once I checked Packed Instance, all the volume disappeared in render buffer(redshift), there should be something wrong with copy to point ? Or do I have to manually output density attribute ? BTW, is there effective way to reduce volume noise in redshift? Thx !
  19. Noob question XD Like when I manually create some attribute for the shader, @emit @brightness @width or other attribute, how can I transfer these attribute to Redshift ?
  20. hey people! Im having a terrible problem here. Im doing a guided ocean sim, problem is im doing a 0.004 particle separation and meshing. My final mesh is around 4 mil polys and The moment I try to render it with a simple 2k spectrum I get over 50gb in ram usage. Is there a way to reduce the ammount of polies at render time for displacement? I tried the dicing quality and flateness but nothing seems to work I can't even render with with a principled shader and a small scale disp noise. Same problem The camera is a close up, but I get the same problem even with the mesh on 10% of the screen Im using a 64gb setup
  21. Hi, Whenever I try to use the file node to import an .fbx into my scene, and render it with renderman's it, Houdini crashes! I tried new scenes, different houdini versions, clean scenes, but to no avail! Funny thing is that the scene that started first displaying this erratic behaviour, already had a file node importing an fbx file and renderman had no problems with it! Anybody have any ideas? I haven't been able to use renderman after that and it's driving me crazy! Thank you for your time, G.
  22. rendering problems

    Hello, I want to render and export my simulation as a video; however, the first time I tried to render it, it succeeded but I cannot save it as a video, the error statement was shown as the first screenshot; the second time I tried to use mantra and directly render it to disk, but it gave me another warning shown as the second screenshot. Does anyone know how to solve the problem, or what is the best way to export my simulation as a video? Thanks in advance!!
  23. I am reaching the final stages of a personal project of mine and I was wondering if this render times were okay for the setup I have since I swapped to redshift 3 days ago: 1070 ti 8gb ryzen 9 3900x 32gb ddr4 3200mhz It takes 40 to 50 minutes to render the following (no DOF nor mortion blur): NOTES: The scene consists on bolts and sparks with incandescent material + the emisssive sword, 2 Volumes (you are looking at the smallest one which is around 8million voxels) + 3 mesh lights inside the capsule (bolts, sparks and a scorch on the impact area of the bolt) and 3 others spread around the scene (the Highlighted ones) EDITED: NOT EDITED: These are my settings: In all mesh lights I copied the override sample values because I dont trust it xd and all have 64 bounces for volumes too. I hope more experienced artist can help me out with this one if you find something odd in my project. As always, thank you very much EDIT: No, I wont be using the Optix denoiser and this is how the noise on my scene looks:
  24. At my lovely studio we have a bit of an unfinished Houdini render pipeline. We're able to use the farm to bake out geometry, but only serially. Also, writing out the IFDs is serial. We only have a handful of engine licenses. This is painless for sims, but this is a problem with SOP geo renders that can be baked out in parallel. Mantra renders, however, work in full parallel glory. How can I put an "opparm -c /path/to/ROPoutputdriver execute" script call (or any such code) somewhere where it will execute IN the IFD as it's rendering, but not during IFD generation? I tried putting that code in the Mantra's (set to render nothing) Pre-frame/Post-frame script parameter, but those execute AT IFD generation (which is serial), which doesn't help. Would a Python SOP work? If so how would I trigger it on frame render?
  25. I am trying to render a simulation done with a flip which is made up of 22 million particles. After having made several attempts the houdini console throws me a: 9576: Fatal error: Segmentation fault Saving application data to .... Here below I leave the image and the project files in case someone is willing to help me. Thank you so much!! Help me please!!! Collider.obj Test.hipnc
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