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Found 198 results

  1. Hello everybody, I’m trying to create a transparency gradient on a plane to obtain a sort of “infinite” surface witout any visible limits. But I always have a black area into my render ! (see the screenshots) How can I make that ?? Thanks a lot in advance !
  2. Hi, I have a weird problem with Redshift in Houdini. I looked for solutions searching on Google but couldn't find it. I read Redshift documentation with Houdini plug-in and couldn't find it. If there is anyone who'd know what this problem is and know a solution for it, please help me out. So I created this simple scene with a text and a simple glass texture. I lit it and everything looked fine on Redshift RenderView (See attachment "Capture 1") I even enabled PostFX using Bloom. Color management is set to display "ACES" and Red.709 as "View" However, once I hit "Render To Disk", the MPlay window shows something way different even though it's set as "ACES" and "Red.709" (See attachment "Capture 2") It seems to have a different hue with higher vibrancy. The bloom is affecting the scene a lot more. Once I brought in the rendered exr sequence in After Effects, it looks a lot different than what I saw on MPlay -- which is supposed to be the same file. (See attachment "Capture 3") Not to mention, added "Bloom" effect is nowhere to be seen. Any Redshift experts out there who can help me out? Thank you.
  3. Export spectra map to maya

    Hi, I want to export spectra value from Ocean evaluate - Export to Texture from Houdini and I want to apply same texture to maya and render in maya>arnold or redshift. If there is any help would be highly appreciated . Basically I need to render Ocean Simulation in maya instead of Houdini . Please Help!
  4. I used Redshift to set the Zdepth in AOV and output the exr. When I load the exr output to Nuke, the Zdepth is bright red as shown in the image. The object is not being displayed correctly. Do I need to set a custom depth in this case? I have attached the hip file, so if anyone can provide a sample of how to do this, please let me know. Thanks in advance. Thank you very much. Zdepth.Redshift_ROP1.0001.exr Zdepth.hip
  5. Hello hello, Trivial issue I am sure. I have added a bump map to my geo (fluid sim). I am using the triplanar node and I set it up to Reference. The bump map stays static and doesn't move with the geometry. I am not sure where is the problem. Is it a rest attribute thing? I do have a rest attribute, but perhaps I didnt set it up correctly. I tried Object instead of Reference, but it is exactly the same thing Any clues? Cheers I
  6. Building Explosion

    had to finish building explosion in just few days. this is my first try with pyro, had been learning Houdini for 1 and a half year. mostly working on smokes, particles, and cloth. this is my first preview to them 2 days ago. Explosion.mp4 I felt good about that explosion, want to try higher resolution simulation with more trails coming out of it. New_HD.mp4 here's how it looks now. lol what a dumbass. shouldnt have did that. realized that the trails are moving out too fast, too much, and too big. it all in 1 simulation. so I'll try a new simulation, hopefully this one is better. I'll seperate the simulation, explosion only. and the other one is the trails simulated seperately, gotta slow the trails, and reduce the ammount. wish me luck!
  7. Guys, how come I don't see through the bubbly fluid on top? The bottom orange fluid is in a separate object, rendered normally and the one on top is within a separate object as well, rendered as particles. The bubbly material has transparency 100%, how come I don't see what is behind? Thank you !!
  8. Redshift IOR Glass issue

    I was hoping somebody could help me with a render of a glass bottle filled with fluid. I am using the RS_Material node with the stock glass preset. I'm attempting to get the refraction of the fluid to function as it would in real life where the liquid appears to go right to the edge of the glass. None of the IOR settings get me there, unfortunately. My model is double sided and the normals are correctly pointing outward on the outside and inward on the inside. The fluid is slightly backed off of the interior surface so we're not penetrating. No matter what I do I can't get the refraction to bend "out", but it will bend "in" no problem. I have a few images attached that show what the different settings are. As you can see, an IOR below 1 ( IOR_0.85.jpg ) correctly pulls the liquid inward as you would expect. An IOR of 1.0 causes the glass to disappear altogether. Nothing I do above 1.51 gets the opposite effect, so you're always seeing the glass thickness represented as a big transparent border. Any advice would be appreciated. Thank you.
  9. Hi all, Can anyone recommend a good pipeline or an asset library management tool to use with Houdini + Redshift? Looking at alternatives, Mantra supports relatively simple FBX import and material conversion that (almost) works out of the box with material groups and such. C4D has an asset library to streamline asset management. I tried creating the shelf tool described here but wondering if there's a better method since 2018: I seem to struggle/spend way too long every time I need to import FBX. What's your solution to asset management working with Redshift in Houdini?
  10. Hi everybody ! I’m working on a massive destruction scene (collapsing of 4 buildings with lots of windows) which have finally more than 200k packed fragments… You can see a preview here (the 3td test) : https://www.linkedin.com/posts/lionelalvergnas_bonjour-tous-le-monde-tout-dabord-merci-activity-6789944472420585473-s7mI I’m in trouble with “Object loading” time of Redshift (v3.0.44), with a render time of 7m30 almost 90% of this time is used to load the objects ! How can I speed up this (so long…) time? I’ve already tested the RS proxy, but finally I’ve the same render time with a 2Gb file for just one frame, and I’ve 450 frames… For now, I’ll use Mantra which take “only” 4min per frame, but I would prefer use Redshift because of my RTX3090 ! If you’ve any suggestion, I’ll be happy to read that! Thanks in advance Bye
  11. I'm trying to apply this tiger's UV'd texture to fur/hair. I'm going round in circles and sure i'm being stupid, grooming is new to me. Any pointers appreciated:) Rendering w redshift.
  12. Hi all, First of all, please let me know if somebody else asked this question and got an answer, I looked for an answer here and didn't find any, someone has asked on SideFX forum but nobody answered. anyway, I have a scene with hundreds of thousands of points in it that I wanna render as instances. It works fine when I render with Mantra, the @instancepath attrib works just fine, and it does work with Redshift too but it's very slow and it just freezes when the number of points goes up, even 1000 points would take forever to render with RS. So I was wondering if I'm missing something. Thank you, E
  13. Hello all, I’m a relative noob and while this seems like it would be do-able, I have no idea which nodes I would need to invoke. I would like to map a repeating (but not tiled) texture on an object that already has an underlying material / texture. (So for example, knots on a tree trunk, or pimples on a human face.) The way I imagine this might work is that once I’ve used Scatter SOP to scatter some points on my base object, I would somehow translate those point coordinates to UV coordinates (Not sure how to do this). Those UV point coordinates could then be used along with a texture’s 2D matrix to map its pixel data per point (Don’t know how to do this). I would also imagine I could use a pscale value with some randomization to vary the sizing of this repeated texture (again, not sure at all how to approach this). I'd also imagine I'd want to use some kind of multi-layered shader with alphas in order to preserve the base layer material properties. I should note that I’m using Redshift here, as I imagine this might make a difference as it might have a few more limitations compared to native Houdini texture/materials workflows (though maybe not?). Preemptive thanks to any responders! NpF
  14. Hello. I tried to render the color ramp I made in Vop with RedShift, but it doesn't work.The red attribute vop in the attached hip is the one. I'm still a beginner in Houdini and don't know much about RedShift render, but I was wondering if you could help me. Apply ramp color.hiplc
  15. I would like to have light 1 from frame 1 to 10 and light 2 starts at frame 11 for example. Cheers
  16. Houdini Nuke Globe

    Here's an art piece I did. It's a nuke in a globe. Hope you enjoy Here's the link:
  17. Hello all, I am having troubles with the way colours look between the color editor, the render preview, and the output. There is something I should know that I don't know yet. I heard about linear workflow but if I could have your tips on this, that would be great. First in the colour picker when I choose a color for a material (I am using Redshift, but I saw the same issue in Mantra), the color in the little square doesn't match the color I am sampling from an image. How should I set up this color picker: Linear/Raw/sRGB ?? Then that color taken with the colour picker doesn't look similar in the renderview. How should I set Redshift renderview ( Linear/Raw/sRGB/OCIO) ?? And in the Redshift ROP, is there something I should be aware of, something to tick? Are you using the settings in the render preview of RS, as far as I can tell, you can only render a frame from here, not the sequence. I have been looking online but most tutorials I saw don't talk much about this. I read that having everything linear is best apparently, as it works better for post editing, but when I set my color picker to Linear, my RS preview to linear, when I output my EXR, it looks dull (it looks like the sRGB of the RS renderview) Voila, any tips about your personal workflow for this would be amazing and if you know about a tutorial about this, please share Thank you very much
  18. Greetings all! I’d like to know if it’s possible to pipe any one of the Maxon/Redshift noises into a SOP node in order to displace geometry on a mesh (rather than having Redshift handle the displacement at render time). I need to do this for the following reason: Maxon/Redshift has the specific noise I want (don’t want to spend a lot of time trying to replicate or approximate using one of the SOP noises). I will need to generate vine growth along the object I will be displacing with noise, so unless I’m mistaken, using render-time displacement is not an option. If there’s some workaround to this I haven’t considered, please enlighten me!!! Preemptive thanks for any responders! NpF
  19. Hello, Any idea why the Redshift camera option 'enable photographic exposure' doesn't show in the Houdini default render view? It shows in the redshift render view, but is gone when I export. cheers
  20. Hi Guys. I downloaded this FBX file a while back and it's been great. It's a Mark VI ship that's textured. I brought it into Houdini and mantra reads it well. The only problem is I'm using Redshift for the scene with water and I'm not sure how to get redshift to read the shaders or how to connect them. I can't seem to find any useful tutorials on this either. A couple years ago Grand Master Atom was amazingly helpful with a script that he wrote for redshift to read downloaded shaders but I can't get that to work anymore. I think the recent updates over the years broke that script or something. Anyone know how to connect so redshift reads the shaders? Pierre Mark_VI_Patrol_Boat_Dirty.hiplc
  21. 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
  22. Hi ! We use redshift for render and everything is ok, but We'd like to use some machines without GPU to simulade DOPs or generate geometry in Hqueue The problem is that since these machines don't have GPU, they obviously fail to load redshift dlls and OTLs. Hqueue gets an error and fails to process this hip file. None of redshift OTLs is used or involved in simulation somehow, but hqueue fails anyway just because some unknown operators present in scene. I used to solve this problem in linux by installing some nvidia libs into system, but i can not solve it under windows this way..... And the question is : Are there ways to force hqueue to ignore this type of errors and process hip file any other advices will be appreciated thanx in advance!
  23. What should I do if I want to combine color and attribute in rs mat? Like using bind in mantra The first one was done in mantra, the second one in rs, but I can't do what I want
  24. 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!
  25. Hello, I am just starting with Redshift within Houdini and I have gone through the basics. I have a sim that I exported as an alembic and I used the unpackSOP to recover my point attributes and prim groups, all on the same mesh. How would I go about applying a different colour or texture on those groups. How can I use the point attribute to drive a particular color? Thanks a lot