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Found 230 results

  1. Hi guys, I tried to apply motion blur to a fast-moving volume in my scene, but it doesn't render the motion blur! How can I fix it? Thanks for helping. Redshift_Volume Motion Blur_01.hip
  2. Hi! I used displacement mask for redshift in Houdini.But there was such a problem.I don't want displacement where I mask and blend into the ocean smoothly. You can see the problem on the edges of the mesh in the first photo.How can i fix this? I shared the displacement mask and material setups below.I will be glad if you help.Thanks in advance.
  3. [ PAID GIG / PER PROJECT ] ROHTAU STUDIO We are a fully independent studio of like-minded artists doing high-end work for advertising, installations, and special projects and soon will be also doing TV and Film work. Our environment is a friendly one with top-notch infrastructure and a phenomenal artist-friendly pipeline. We work exclusively on the cloud so we can hire great people, our team is fantastic so please DM me or email me directly to chat, we have a few things lining up and will certainly need help. Job Position: Houdini Generalist / Houdini Lighting TD Render engine: Redshift Location: Remote Description: 30sec commercial, full CGI hyper-realistic look. Start: ASAP Duration: Minimum of 6 weeks, probably a lot more. Contact: jordi@rohtau.com Don't be shy, we want to know from you.
  4. Redshift Essential Materials is set of Houdini presets which have been built as an introduction to the most useful Redshift parameters, features and nodes. Redshift Essential Materials for Houdini A collection of 70 pre-build setups for Houdini which demonstrate Redshift’s most important and useful nodes. Each material includes remarks in the network to explain the nodes. This library is a great way to learn how particular nodes work in combination with objects in your scene, as many of these examples require the use of the Redshift options available on your geo nodes. Product Summary 70 Redshift materials with notes Houdini project files for each setup Dispersion, Absorption and SSS effects Wear & tear, dust & surface techniques UV projection, normals, camera, object & world space Using attributes in materials Render points, splines, particles & hair Create wireframes and sprites Render Volumes & OpenVDB files Example scenes for Utility AOVs Recommended requirements Houdini 19.5 Redshift 3.5.06 and above
  5. Title is a bit misleading.. I realise Pyro volume simulations don't really have a birth and death point, but what I'm hoping to achieve is to be able to colour or alter the transparency of my fire closer to the base or emission point of the fire. Currently my fire is looking really nice, apart from the base of the fire where it first emits from. I'd like to make this area more transparent. I'm using the Redshift volume shader, but unfortunately cannot post a .hip file due to work non disclosure stuff. I can create a simplified version of the scene if need be.
  6. Hi there... I have multiple objects alligned with a copy to points sop and would like to offset the textures i am using for the roughness so the roughness is not the same on every object. tried to use a custom attribute from 0-1 in the RS particle attribute node and plugged it into the offset of the texure sampler but i can´t get it to work...
  7. hey, we're working on a project where I cache a proxy of geo, do my pops sims, and call the proxy from disk at rendering time using the "instance file" attribute per point. works great. However, the whole scene needs to be Archived to a redshift "Scene Proxy" and sent over to another artist who has different named drives. it works great when rendering from my end, but when the other artist using Maya imports the "Scene proxy" which calls the "Geo proxy" from Drive and it fails to load because it isn't the same path. in the Docs, it mentions using the REDSHIFT_PATHOVERRIDE_FILE can be used. I was hoping it would be like in obj level the override user data tick box to override that proxy path, like the "Material Override list". But it isn't the case. the Doc states So, for example, if the environment variable is set to REDSHIFT_PATHOVERRIDE_FILE = C:\mypathoverrides.txt ... the file mypathoverrides.txt could contain the following, which helps to map from a local folder to some shared network location "C:\MyTextures" "\MYSERVER01\Textures" "C:\MyVDBs" "\MYSERVER01\VDBs" How do I Implement it in Houdini and in Maya? thanks
  8. hey, we're working on a project where I cache a proxy of geo, do my pops sims, and call the proxy from disk at rendering time using the "instance file" attribute per point. works great. However, the whole scene needs to be Archived to a redshift "Scene Proxy" and sent over to another artist who has different named drives. it works great when rendering from my end, but when the other artist using Maya imports the "Scene proxy" which calls the "Geo proxy" from Drive and it fails to load because it isn't the same path. in the Docs, it mentions using the REDSHIFT_PATHOVERRIDE_FILE can be used. I was hoping it would be like in obj level the override user data tick box to override that proxy path, like the "Material Override list". But it isn't the case. the Doc states So, for example, if the environment variable is set to REDSHIFT_PATHOVERRIDE_FILE = C:\mypathoverrides.txt ... the file mypathoverrides.txt could contain the following, which helps to map from a local folder to some shared network location "C:\MyTextures" "\MYSERVER01\Textures" "C:\MyVDBs" "\MYSERVER01\VDBs" How do I Implement it in Houdini and in Maya? thanks
  9. Hi guys, I'd like to share my latest personal r&d project of creating procedural assets. Still work in progress. Cheers, Shawn
  10. Hi guys, I would like to use the color channel of the Redshift's material volume node. 1) I created a vector point attribute called "absorption". 2) I added this attribute's name to the "Volume Rasterize Attribute", attributes list, to create a volume called "absorption" 3) In the "volume source" node of my pyro DOP, I added "absorption" as the source and target field (as vector type). 4) I add a "VDB vector merge" node before my pyro material node. 5) In the RS Volume material, I add "absorption name into the color channel. But it doesn't work..! How can I fix it? Thanks for helping. Absorption_01.hip
  11. When rendering in Redshift, in the rop under the AOV section you can select cryptomatte as a custom output. There are four ID Type options you can choose from: Node Name Material Name Object ID Custom Name ID Does anybody know how to make option #4 work? It seems like there's a very powerful component to the cryptomatte functionality that nobody is using, unless i'm mistaken. There's no better program than Houdini at making carefully placed and named attributes, but what do you do? I tried making a primitive attribute called "Name" but that did nothing. Is this even implemented in Houdini?
  12. Hey guys, I created a simulation in Houdini and wanted to export it to cinema 4D with alembic. It worked completely fine but the Material (Redshift) doesn't stick with the Simulation. As you see in the pictures the half of the simulation gets white and this keeps going until its completely white. I just used the default glass Material and didn't change the geometry. Does anyone know how to fix that?
  13. Hey there, after years I finally decide to study Houdini more seriously. I'm starting again with the Particles course from Applied Houdini, I just finish my first run with the 2nd vol. and I'm really interested in GPU rendering because of rendering time. It's not that I don't like Mantra (actually sounds super interesting to have a native renderer so robust), but for example the last scene I worked, with like 50M particles, took me more than 10 hours to render like 4 seconds at 1280x720. So I would like to take some advices from you: since I'm just a beginner, is it interesting to already try to work with a GPU renderer, like Redshift, so my rendering time will be faster and I'll be able to explore and study more things quickly as well? Or should be better to keep with Mantra and get more knowledge about it? Thank you!
  14. Hi everyone, I'm newbie to Houdini and Redshift... I need your help! I failed to render Cryptomatte with correct object ID, and want to re-render only Cryptomatte without rendering main images to save time. Is it possible or is there any way to skip rendering main images? I just don't want to waste time to render the same images again..... I appreciate your help! JK
  15. Redshift alpha problems

    Hey everyone! I am facing a problem while rendering and I don’t understand how to fix it. I have 50 layers of primitives with same texture, but on rendrs shown only 6 layers?, other disapers. All 50 layers visible only on borders of my primitives. I will be grateful for your help, thanks in advance!
  16. Hi, I am in the process of setting up a sky full of clouds - using VDBs. I have set up an early proof-of-concept test, can render it, and it all works out of the box. What I'm struggling with is how to maximally optimize it. I have seen an Arnold setup in Houdini, similar to mine, with 3000 cloud objects - using ass files and rendering an HD1080 frame in around 5 minutes, and using less than 100Mb of memory. Pretty efficient! My Redshift test, has a similar number of VDBs exported out as a single rs proxy which is then instanced across scattered points on a grid. I expected this to speed up the rendering process significantly. Sadly, it actually takes over 4 hours at the same resolution and uses more than 5Gb of memory! What I want to do is leverage the power of proxies and instancing to render this setup and at least match what can be done in Arnold - Redshift is after all a definitively faster render engine. Does anyone know an efficient and effective workflow for this type of solution please? I feel like I've missed something here; as usually Redshift is very fast. Many Thanks, Scott
  17. SSS Noise Redshift

    Hi all, I am trying to render a SSS surface using a standard RS Material shader. I get some noisy patches that I cannot remove for some reason. Things I tried: Increase max samples Increase SSS samples Reduce error threshold Increase sampling on individual lights Any suggestion as to why this noise is appearing & what setting can reduce it? Thanks
  18. Hi folks. I have a pretty rudimentary question about rendering Redshift with cryptomattes out of Houdini. When you choose cryptomattes as part of your AOVs, it creates a separate file like this: element_v01.$F4.exr element_v01.$F4.cryptomatte.exr I would prefer to have all the channels in the primary image, but if it has to be a separate file my issue is that the Flame can't read that cryptomatte as a sequence because the ".cryptomatte" is between the framenumber and the extension.
  19. Free Live Houdini FX and Redshift Webinar

    Tomorrow, Wednesday October 20th at 4:00pm CDT Vertex School is hosting a free live Houdini FX and Redshift webinar with Lead FX Technical Director Keith Kamholz. It should be a very informational webinar and Keith will be doing a live demo! There will be a replay available to those who register: https://www.vertexschool.com/pl/2147535829
  20. Free Live Houdini FX and Redshift Webinar

    Tomorrow, Wednesday October 20th at 4:00pm CDT Vertex School is hosting a free live Houdini FX and Redshift webinar with Lead FX Technical Director Keith Kamholz. It should be a very informational webinar and Keith will be doing a live demo! There will be a replay available to those who register: https://www.vertexschool.com/pl/2147535829
  21. I am new to Redshift. For a very basic scene with three objects, at a resolution of 1280x720, it took 13 minutes to render. I have intel core-i7-8750H, Nvidia GTX1050ti -4GB and 16GB of RAM. This is the output. I have rendered more complex scenes in Keyshot at a resolution of 1350x1350 and it takes 6 minutes max for them on my machine. Please suggest a solution. Here's the houdini file. REDSHIFT ISSUE.hip
  22. Hey magicians, Anybody used TOPs + Redshift + Deadline? is there any magic to do on the process, or should work like a regular houdini task on deadline? Haven't set up deadline in a while, but the client is rendering a TOPs + Redshift scene I made with 10.000 outputs, is there any specific thing to keep in mind? Thanks!
  23. Hi, So this is probably a very simple question, but as someone who's new to Houdini and usually uses Octane, I can't figure out which setting in Redshift controls this white border around my Alpha EXR renders. Can anyone help?
  24. Hi Guys, Looking for a bit of Win10 / Houdini Help with a couple of annoying crashes I seem to be having while doing a multi-frame rendertodisk out of Redshift ROP Houdini doesn't create a log file for these particular crashes in <user>\Appdata\Local\Temp\Houdini_temp so I've attached the only info I can find from Event Manager and Reliability History. EDIT: Another render crash did produce a log which I've attached Running Win10 64 / Ryzen 5900x / 64gb RAM / 3060Ti / Houdini 18.5.696 / Redshift 3.0.57 Any help from someone who can see anything obvious pop out would be great. Obviously it's a VM issue, but a clear idea of how to resolve it would be great. Sorry for the noob question guys and thanks in advance. crash.charl_29960_log.txt
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