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Found 50 results

  1. Hi Guys... How are you? I know there is a lot of information there that try to explain why this issue happens. However, I´ve tried to set up a basic scene to replicate the most common problem out there The scene attached is not the final or nothing at all... It was at the point of testing when I'm writing this post HOUDINI COLLISION FLIP ISSUES The main idea is this: Making the inside of the character-filled with liquid (just a little more than half). The liquid MUST be the same at all time. I had to invert signs of the static object to make it "work" And here the magic dust came along. THE LIQUID DISAPPEAR I´ve tried the following attempts with no luck so far: Reduce the grid size to 1 so the voxels of the flips have the same size of particle separation, Reduce the Particle scale to 1 to avoid conflicts in collision Try to multiply the scale by 3 to make it bigger and up the timescale of the solver to match it. I also try to advect the collision field with a volume source with VDB but it was worst and I discard that option in the minute Thoughts: I think it has to be with the particle collision mixture between volumes and particles. For some reason (i think particle accumulation) the solver reaps particles that are very close together and in the next frames, it does the same thing over and over until you are left with no particles at all... I tried to adjust the reseeding and even not reseeding at all and no luck either... It will be SO COOL to finally leave this point crystal clear to avoid future users to melt their brains out Cheers to all Peace! Wolf.rar
  2. Hey my Render View is working absolutely fine but if I wanna render to Disk I always get a short freeze followed by an Error: Error opening the tile device. I’m using RedShift V. 2.6.41 and Houdini 17.5.173 Hope somebody can help me with that.
  3. Hi there everyone. Hope you are all doing well. So for a white now I have had some issues with Houdini 17 and 17.5 fluids. I am trying to create a river sim, but when I cache out my sim using Hqueue or just a "cache in the backgroud", The sim just stops or fails. This morning I woke up and had a Fatal error: Segmentation fault. I am was on windows but it was not activated as I had a huge hardware update but but it could nto find my Linked Windows key or something. I have now switched to Linux and I am currently on Ubuntu. This is my First time on Linux so I do not know what I am doing lol. I cannot even get Hqueue to Restart so I have to reinstall it every time. I tried this one, but it didnt work. My Hardware CPU - Threadripper 2970wx Motherboard - MSI Pro gaming Carbon AC Ram - 128 GB Corsair Vengence LP SSD - Samsung 2TB Please find the attached output log and Diagnostic Info. job_6_output.txt job_6_output.txt
  4. I'm trying to work on a VDB SOP but I'm having problems compiling. I'm windows with Houdini 16.5 and I'm getting "unresolved externals". Along with the usual inclusions I have: #include <GU/GU_PrimVDB.h> #include <openvdb/openvdb.h> #include <openvdb/Grid.h> I'm compiling with cmake which looks like this cmake_minimum_required( VERSION 3.6 ) project( HDK_VolumeDeform ) list( APPEND CMAKE_PREFIX_PATH "$ENV{HFS}/toolkit/cmake" ) find_package( Houdini REQUIRED ) set( library_name SOP_VolumeDeform ) add_library( ${library_name} SHARED SOP_Volume_Deform.C SOP_Volume_Deform.h ) target_link_libraries( ${library_name} Houdini) SET(COMPILE_FLAGS "-TP -std=c++11 -DOPENVDB_3_ABI_COMPATIBLE") add_definitions(${COMPILE_FLAGS}) SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMPILE_FLAGS}") target_include_directories( ${library_name} PRIVATE ${CMAKE_CURRENT_BINARY_DIR} ) houdini_configure_target( ${library_name} ) Strangely enough, the program does compile if I don't try use iterators, though I'm sure there is a lot that would break it. I've also tried with Hcustom, but running with that yields the same problems. Does anyone have any suggestions? Thank you very much!
  5. Hello everyone, I am trying to apply facial autorig on a head geometry, but I can't generate a character mask after fitting the polygonal cage on the face. I get this same error on my Houdini console every time I click on the "generate character mask" button: Traceback (most recent call last): File "C:/PROGRA~1/Side Effects Software/Houdini 17.0.459/houdini/python2.7libs\autorigs\modules\advancedFace\advancedFaceGuideOptions.py", line 292, in onGenerateCharacterClicked self.model.generateCharacter() File "C:/PROGRA~1/Side Effects Software/Houdini 17.0.459/houdini/python2.7libs\autorigs\modules\advancedFace\advancedFaceGuideModel.py", line 120, in generateCharacter fxn() File "C:/PROGRA~1/Side Effects Software/Houdini 17.0.459/houdini/python2.7libs\autorigs\modules\advancedFace\buildAdvancedFaceGuide.py", line 156, in generateCharacter self.characterguides.generateCharacter() File "C:/PROGRA~1/Side Effects Software/Houdini 17.0.459/houdini/python2.7libs\autorigs\modules\advancedFace\character\buildCharacterGuide.py", line 122, in generateCharacter self.bakeCage() File "C:/PROGRA~1/Side Effects Software/Houdini 17.0.459/houdini/python2.7libs\autorigs\modules\advancedFace\character\buildCharacterGuide.py", line 173, in bakeCage idx = bs_idxmap.get(edit.name()) AttributeError: 'NoneType' object has no attribute 'name' By the way, this is what my polycage looks like, just in case there anyone notices something I'm missing:
  6. Hello, please help me. I can't get running Houdini 17.0.352 on my laptop (windows 8.1.) After install it was working properly, but after restart, everytime I'll do an object and turn on smooth shaded it will crash immediately (wireframe works). I've tried everything I could: - googling solutions - update all drivers - reinstall houdini - try to install windows 10 (wasn't possible because of my laptop) crash report: Qt Warn: Warning: QT_DEVICE_PIXEL_RATIO is deprecated. Instead use: QT_AUTO_SCREEN_SCALE_FACTOR to enable platform plugin controlled per-screen factors. QT_SCREEN_SCALE_FACTORS to set per-screen factors. QT_SCALE_FACTOR to set the application global scale factor. 4008: Fatal error: Segmentation fault Saving application data to CUsers/KUBAN_~1/AppData/Local/Temp/houdini_temp/crash.untitled.kuban_000_4008.hiplc
  7. Houdini Pyro OpenCL Error

    Getting an error when trying to run a pyro sim with openCL: "gasturbulence1: Error: compute_turbulence_cl: Error: smokeobject1 - /obj/geo1/dopnet1/pyrosolver1/gasturbulence1/compute_turbulence_cl: Fields must be matching for OpenCL " Any ideas?
  8. Hey guys, I have a quick question about the polygon soup meshes I'm getting out of Houdini. I'm getting mesh popping when I convert it and send to C4D for render, they look like the attached IMGs. I included my set-up in there as a rough guide but I think there's something I'm really overlooking. I'm kinda new to Houdini still and would really appreciate a kick in the right direction of how to solve this in terms of the way I'm approaching 'skinning' the particles. Thanks
  9. Export Quicktime Error

    Hey guys, I'm having a hard time exporting mov files on H17. I can only export avi files and the files are pretty huge. This is the error. Does anyone knows what it could be? Thx Alvaro
  10. Hi, I have a problem with running Houdini since I have my new computer. I already contacted support but could't figure out the problem yet. I hope somebody met with this problem or have some idea for a solution. So houdini is crashing after a few second, I cannot do anything with it. I made some test, seems like it crashing mostly when I press tab and start writing a node. any node. When I just open it it doesn't die instantly, but as soon as I try to do something it just crashes. Doesnt matter if I open a clean scene or open a scene I already have. Recently I got the following error message: 6440: Fatal error: segmentation fault. But in the past sometimes it was just quiting without any message. I had the smae problem since I have this laptop, with H 16.5, but somewhy one of the daily built was kind of working, crashing less frequently, but since H 17 came out I tried that, and it do the same thing. I tried the following things: Reinstalled Houdini many times, different versions, different drives, tried it all. Checked and updated videocard drivers, windows updates the latest (win 10, NOT developer/insider version), cleared registry. Checked Rams, videocard with stress test. and anyway all of the other software running without problem. Also tried turn off every other sofware while running houdini but its all the same. The laptop: MSI laptop with 6core i8, 32gb ram, geforce 1070. So that shouldnt be the problem. I clueless now, I have this problem since months. I would really appreciate any help. Thanks!
  11. Hey everyone, I just downloaded this scene file and am getting a lot of error messages when I try to open it. I've taken some screen grabs of the errors: https://imgur.com/a/oTwmIkV Most of them say "Skipping unrecognized parameter [parm name]" but I'm also getting "[node name] using incomplete asset definition (full definition not found)." Anyone know what they mean or how to fix them? My apprentice version is 16.5.473 Thanks for your time.
  12. ERROR IN VELLUM

    Anyone know how to solve this? I get this in the console : opencl exception cl create program with source
  13. Hi ! I'm trying to setup grains simulation and have faced strange grains behaviour in my setup i'm using explicit constraint with varying strength on all constraints primitives When i run sim i notice that some clumps are moving in very strange manner ! not physical accurate please take a look at attached movie - i've marked piece with red circle...... i tried to set up more substeps but it did not help may be some one could help me to resolve this situation there is the hip file in attachment as well. grerror.mov a1.hipnc
  14. Hello, sorry for my bad English. I had a problem during RBD simulation. Now Houdini does not start this is about the problem. what can i do for this problem?...
  15. When trying to put a guide simulation on my fur, houdini starts cookingOP and after 1 min 30 sec it gives me the error : "memory allocation error occured, probably duo to insufficient memory" and crashed. Anyone knows how to solve this ? Kind regards Specs: CPU: Intel core i7 16 GB ram GPU: Nvidea quadro m2000m houdini 16.5.323
  16. When I do some simulations like pics at bottom, Scene view become crazy like those .. I imported alembic files and set their position. but If I do simulations with dopnet, They are gone to randomly strange position like secone pic, and going to be black like first pic. When I delete scene view and make it new, It looks like when I set up. But I have to see that simulations preview and these problems make me crazy :S Help me with this plz !! Sorry for my poor English and thanks for read Have a good day
  17. Hi!! I'm a VFX student new to Houdini and i'm having some problems to render a "stone" shader because some of the stones in my displacement show some kind of glitch / flicker. I'm rendering in mantra in a 3-5 samples setup, I've tried to put normal node and it make the same error. My shading setup for the displacement is "Zbrush displacement map + 2 stone textures with some fits + uv noise + uvxform, all of this connected to color mix that goes to displacement" my zbrush displacement is 8k resolution in tiff. Dragons_FlickerGlitch_h264_ivanp.mov
  18. Hey, Anyone else notice that turning on open cl in pyro solver creates an error after updating to houdini 16.5? All you have to do is use one of pyro's presets on the shelf then turn on open cl. Is this a bug or is there actually something wrong? thanks
  19. Voronoi inaccuracy (R16?)

    Hello all, I'm using the pre-fracture transform method (following this Lester Banks video, specifically) to roughen up voronoi cuts. I feel like I've done this before without a problem, but now I'm discovering some little quirks in the form of misaligned points after cutting (see attached). Increasing the mesh resolution helps; it's even good enough, but in some cases it never goes away--some points that should share the same position are a little offset from each other. This is present even on my test setup with only a sphere, Attribute Vop to apply noise, and the Voronoi Fracture. Has anyone seen this before? Surely it's come up, but I couldn't find previous posts. Thanks! PS. The place I'm currently working at has Houdini 16--that's not it, is it? (I only ask that because it's the first time I've used 16 and I feel like I would have seen this behavior before.) Increasing the mesh's resolution and changing the Scatter seed until the problems aren't very visible has made it good enough, but I'd still like to know what I'm doing wrong/if there's a way to prevent this in the future. Thanks again!
  20. Hey everyone, I'm working on a Houdini 14 scene that I've opened in Houdini 16. I'm slowly converting the node network over to the latest versions and I'm getting "bad parameter reference" errors on a lot of the nodes. It's popping up on both the old and the new nodes. Does anyone have experience with this type of error and how to resolve it? I've tried googling and looking around for similar issues online and I havn't had a lot of luck. Thanks! Chris (AUS)
  21. Hello, we built an asset to cache and version our sims/caches I extended it to be able to use the renderfarm to sim things out. To do this I added a ROP in the asset, with the HQueue simulation node. I then use the topmost interface/parameters to 'click' on the 'Submit Job' button on that HQueue Simulation node down below. However, unless I do a 'allow editing of contents' on my HDA, it fails on the farm with the following code: ......................... ImportError: No module named sgtk Traceback (most recent call last): File "/our-hou-path/scripts/hqueue/hq_run_sim_without_slices.py", line 4, in <module> hqlib.callFunctionWithHQParms(hqlib.runSimulationWithoutSlices) File "/our-hou-path/linux/houdini/scripts/hqueue/hqlib.py", line 1862, in callFunctionWithHQParms return function(**kwargs) File "/our-hou-path/linux/houdini/scripts/hqueue/hqlib.py", line 1575, in runSimulationWithoutSlices alf_prog_parm.set(1) File "/hou-shared-path/shared/houdini_distros/hfs.linux-x86_64/houdini/python2.7libs/hou.py", line 34294, in set return _hou.Parm_set(*args) hou.PermissionError: Failed to modify node or parameter because of a permission error. Possible causes include locked assets, takes, product permissions or user specified permissions It seems that unless I don't unlock the asset, the submit job can't be clicked. Here's how i linked the interface button to the submit button Thanks for your input.
  22. Hi Guys Sorry if this post is in the wrong place but I didn't know where else to post it, I currently can not open/use Houdini 16 on my system and have no real way to investigate why, I have tried installing different builds of H16 and always get the same error usually after I open the software after the splash screen. In the rare event I do get passed the splash screen and able to use H16 it eventually crashes with the same error. I should mention: - H15.5 works just fine on my main system. - H16 works fine on an older unused system I have laying around (much reduced spec than the system I would like to run H16 on). Main PC Spec: CPU: 5th gen Intel core i7 hex core GPU: Nvidia GeForce GTX 1080 RAM: 64GB RAM at 2333MHz SSD: 512 GB OS: Win 10 Pro Old Unused PC Spec That H16 does work on: CPU: 2nd gen Intel core i7 Quad core GPU: Nvidia GeForce GTX 660TI RAM 16GB RAM at about 800MHz SSD: 128GB OS: Win 10 pro I have attached a screen shot of the error, I appreciate this could be anything but if any one knows why this could be happening or even where to start investigating why please get in touch, as I really don't know what to do. Many Thanks Nav
  23. "Exception happened" - Python error on start up

    When I start Houdini I recently get this error message in the Python console. Python 2.7.6 (default, Oct 26 2016, 20:33:43) [GCC 4.8.4] on linux2 Houdini 16.0.557 hou module imported. Type "help", "copyright", "credits" or "license" for more information. >>> ---------------------------------------- Exception happened during processing of request from ('127.0.0.1', 40274) Traceback (most recent call last): File "/usr/lib/python2.7/SocketServer.py", line 593, in process_request_thread self.finish_request(request, client_address) File "/usr/lib/python2.7/SocketServer.py", line 334, in finish_request self.RequestHandlerClass(request, client_address, self) File "/usr/lib/python2.7/SocketServer.py", line 651, in __init__ self.finish() File "/usr/lib/python2.7/SocketServer.py", line 710, in finish self.wfile.close() File "/usr/lib/python2.7/socket.py", line 279, in close self.flush() File "/usr/lib/python2.7/socket.py", line 303, in flush self._sock.sendall(view[write_offset:write_offset+buffer_size]) error: [Errno 32] Broken pipe ---------------------------------------- How can this be fixed?
  24. Hey! SOP Solver Cooked in Immediate mode, cached results incorrect--- That is the error I received. I was trying to use particles as a source for pyro and it gave me this error. What exactly does it mean? What is cooked in intermediate mode? Thanks
  25. So I have an odd problem I haven't been able to figure out yet. I have a Synology DS716+II NAS raid and using it as a shared drive so I can use HQueue to render jobs on other machines. That all works fine to render on the farm, however when I write alembic data to the NAS, I get an error everytime I try to read it back into Houdini or into maya. If I write the exact same alembic data to a local drive on my computer, then there are no read errors. And this seems to only happen with alembic and fbx data. I can write hip files and bgeo's all day to the network drive and everything reads fine, just alembic and fbx data that fails when trying to read it back from the Network drive. Does this make sense to anyone.? I would think if this was a firewall problem or permissions type thing, then no data should read or write to the NAS. The exact error I get when trying to read alembic data back into Houdini from the network drive is "Error evaluating alembic file". ANy help would be appreciated. Thanks E
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