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Found 10 results

  1. I have a popnet creating some particles with the POP spin, to have a random rotation in each particle, also Im copying a tube in each particle, the tube rotates as it supposed to, but when they hit the ground, the tubes stays with a random rotation as well instead of pointing Y. I'm thinking that if I use the normals instead of the POP spin I could blend between the N0 and N1 when the particle hit the ground, using the hit info from the POPnet, but truthfully I don't know how to achieve this .-. I'm using POPs and copy the tubes/coins to the particles because the particles born magicaly from the floor after a character hit the floor with his cane. If anyone could help me or have any idea I would appreciate it!!!
  2. Hi, I'm looking to build a PC at home and I don't know a huge amount these things so I'm looking for some advice. My budget is around £3k. The main uses will be Houdini, Maya and Nuke. I do a fair amount of heavy fx work and I'm planning to do gpu rendering with redshift. My main questions are to do with which cpu and gpu to go for: CPU - the AMD threadripper looks very interesting, is it worth waiting to see how much that costs and how it compares to intel i7/i9? - are the i9 chips worth it? - or is it better to go for a dual cpu (e.g. dual xeons)? Would that fit in my budget? is it possible to use just one cpu on a dual socket (with the option to add another at a later date)? GPU - I would ultimately like to have 2 or 3 gpus for rendering but, so I guess this influences which motherboard I can get (with enough pci-e lanes) - I think the 1070 seems like a really good option to start with for price/performance
  3. Hi everyone, Im trying to add custom big wave to Ocean and Dop network. For polygons everything works fine, but for other fields like surface and vel its now working and of course dop isnt working well, i dont know how to add it or how to deform other field like polygons. Here is the scene: custom_big_wave01.hip
  4. Hello everyone, I am trying to achieve a similar effect likes this by Ivan: On the sidefx forums, Ivan mentions that he creates two fields, one to attract the particles and one to keep the particles on the surface. I managed to create the force field to attract the particles but i cant find a way to create a field to keep the particles inside the geometry and form the shape. Any tips or help is highly appreciated.
  5. Heya, I've created a custom menu tool and added it to the menu using the MainMenuCommon.xml file - is there a way of soft-setting a hotkey to it within the xml, i.e. for multiuser project-based deployment? I'm thinking that adding the HotkeyOverrides file might work but if it's possible to keep it all contained in the single xml file that would be far tidier.
  6. Our new Houdini artist profile is out! Talented FX TD Alejandro Echeverry from Colombia explores how to create custom tools in Houdini and tells us a bit about his life as a VFX artist: http://www.gridmarkets.com/alejandro-echeverry.html I hope you find the content informative and entertaining. We certainly had fun working on this feature! Patricia and the rest of the GridMarkets team
  7. ..., where can I change them? Are they available somewhere? Thanks!
  8. Hello, Not sure you ever stumbled on this work of mine but I wanted to post this anyway. This work didn't make it into the movie the way you see it in the video and although its been inspiring and helpful for other artists to accomplish the director vision it's pretty much remained a solely piece of home work And so I'm sharing a hip/bgeo file of what I did in my spare time before I took it further at work. With the hope there will be something useful in there for anybody here willing to give it a try. After all, sharing is caring! https://vimeo.com/106126363 Alessandro
  9. This could be a simple fix or a dumb question but I just started trying to learn houdini about 5 days ago so I'm lost and new to the package. I did the tutorial on the sidefx site with the volcano demonstration to show how to use the pyro tool preset and really liked how you could make a custom velocity field out of a box and converting it into a volume and doing some vex in the volume sop. So I wanted to experiment and try creating a custom vel field but out of a more interesting shaped volume. I made some sort of corkscrew looking geo and used an IsoOffset to create the volume but this is where the setup breaks. I know when I converted the box to a volume using the volume sop I changed the rank to a vector and I dont know how or where this option is when you convert a surface using the iso offset sop.?? When I middle click on the isoOffset, I see there is just one volume being output and when i middle click the volume sop it has 3 volumes listed. I Think this is where my problem is but again been using houdini a week and have no idea if this is the reason or not. When I plug the volume that is created by the volume Vop into the chain I get the nice curl noise showing up and when i swap it to the volume generated by the isoOffset then its just straight lines which would make sense i guess if it only is a scalar volume field. So Is there any way to convert the isoOffset volume to have a "rank" of vector.?? Or is there an entirely different/easier/correct way to make a custom velocity field that is a shape more complex than a simple box or sphere.? I'm trying to make the switch from Maya to Houdini but being a 13+ year user of maya it's VERY different from what Im use to working with. However the power in Houdini already is making me wish I made the switch a long time ago.! Thanks for any help/info.. E
  10. Hello all. We need to expand the default Mantra Material with some custom functions and compile it. However, as time goes on, bugs are fixed and major/minor Houdini releases changes the shader internals, making it a hassle to continuously go back to the material, check it, fix connections if necessary and recompile. I'm wondering if there is a better way to do this? I have thought about rebuilding our customizations using a python script, but with potentially hundreds of new nodes, connections and unknown future changes by Sidefx, this too have the potential to generate unwanted labor. I have also thought about using DAs, but many of the connections are not easily contained within one or a few assets (in and out of the surface model for example). So, I ask: Is there a preferred way to maintain what sesi does and smoothly inject our own before compiling the material?