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Solaris » render delegate selection in husk


tas3d: 120 posts; Offline

Jan. 16, 2023 17:43:43

I semi switched to packages, but somehow renders are still via houdini.env

I don't get those errors, but I am on pretty old version, so can't really compare.

glad it helped

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Solaris » render delegate selection in husk


tas3d: 120 posts; Offline

Jan. 16, 2023 17:02:53

I have this in my houdini.env

# htoa config start
PATH = $PATH;C:/Users/Tas/htoa/htoa-6.1.1.0_r8825678_houdini-19.0.589.py3/htoa-6.1.1.0_r8825678_houdini-19.0.589.py3/scripts/bin
HOUDINI_PATH = C:/Users/Tas/htoa/htoa-6.1.1.0_r8825678_houdini-19.0.589.py3/htoa-6.1.1.0_r8825678_houdini-19.0.589.py3;&
# htoa config end

be careful not to "mess" it up with other plugin paths that might come after/before loading Arnold. It was very finicky to setup. Especially when loading Redshift, Renderman and others all at the same time.

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Solaris » USD and Husk with Deadline


tas3d: 120 posts; Offline

June 17, 2022 12:30:19

Hi,

If anyone would like to cache or render USD via Husk on Deadline, I wrote a set of HDAs to facilitate such workflow.

Tools are available on GitHub.
https://github.com/VFX-Tricks/VFX-Tricks-Toolbox [github.com]

Feedback and requests are welcome.

cheers

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Technical Discussion » Multiple 456.py scripts


tas3d: 120 posts; Offline

June 3, 2022 14:20:51

Hi,

Renderman package has its own 456.py script, which is overriding mine's 456.py placed in $HFS folder. Resulting in not executing my script.

Is there any way to make them work together? Like execute both for instance?

Thanks

Edited by tas3d - June 3, 2022 14:21:41

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Technical Discussion » Euler Rotation Filer CHOP


tas3d: 120 posts; Offline

April 25, 2022 17:04:59

oh matrix, my bad. Neo wouldn't be happy about that.

Thanks a lot! All good now

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Technical Discussion » Euler Rotation Filer CHOP


tas3d: 120 posts; Offline

April 25, 2022 12:49:12

thanks for hints. Please take a look at my example file, rx ry rz are not consistent, plenty of flips.

Surely RBD sim looks good, but its hard to work with such data when doing post sim orient blending to another values. I believe if rotation data was consistent I wouldn't have any issues.

Still, Euler Filter should work...

Thanks

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Technical Discussion » Euler Rotation Filer CHOP


tas3d: 120 posts; Offline

April 25, 2022 01:49:48

Hi,

RBD Bullet sim produced few pieces with what seems like Euler discontinuities.

I convert @orient to @rot and try to fix it in CHOPs with Euler Rotation Filer, but it has no effect.
What am I missing?

Thanks

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Solaris » USD pipelines and file locking


tas3d: 120 posts; Offline

March 16, 2022 18:02:42

Few days ago there was an interesting temp solution posted on Github, but not sure why author took it down. Perhaps he found a flaw?
https://github.com/PixarAnimationStudios/USD/issues/849 [github.com]

He suggested to force SMB Dialect (version) to 2.1 instead of 2.0.1 or 3.x.

You can check current SMB connections with this command: Get-SmbConnection

I dont have either network shares or NAS, so cannot test it. But following this issue closely, as I will transition to NAS storage sooner or later. Very concerning for Windows users.

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Houdini Lounge » Houdini 19 doesn't load AT ALL on Ubuntu 21.10


tas3d: 120 posts; Offline

March 4, 2022 20:03:52

haha, im happy it runs

yes, now hgpuinfo finishes.
Seems like it was crashing on querying OpenCl Platform info block.

Edited by tas3d - March 4, 2022 22:13:54

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Houdini Lounge » Houdini 19 doesn't load AT ALL on Ubuntu 21.10


tas3d: 120 posts; Offline

March 4, 2022 15:53:38

I got it, I installed lsb-core package.

sudo apt-get install lsb-core

H19 starts up!

thanks a million

Edited by tas3d - March 4, 2022 15:53:55

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Houdini Lounge » Houdini 19 doesn't load AT ALL on Ubuntu 21.10


tas3d: 120 posts; Offline

March 4, 2022 15:47:58

thanks for helping edward!

notice seg fault at the end of hgpuinfo

hgpuinfo 
OpenGL Vendor:            NVIDIA Corporation
OpenGL Renderer:          NVIDIA GeForce RTX 2070 SUPER/PCIe/SSE2
OpenGL Version:           4.6.0 NVIDIA 470.103.01
OpenGL Shading Language:  4.60 NVIDIA
Detected:                 NVidia Consumer
                          8192 MB
                          470.103.1.0

Supported Extensions not in OpenGL 3.3 (Version):
    GLX_SGI_swap_control                   
    GL_ARB_base_instance                    (4.2)
    GL_ARB_bindless_texture                
    GL_ARB_bindless_texture                
    GL_ARB_buffer_storage                   (4.4)
    GL_ARB_clear_buffer                     (4.3)
    GL_ARB_compatibility                   
    GL_ARB_compute_shader                   (4.3)
    GL_ARB_copy_texture                     (4.3)
    GL_ARB_debug_output                    
    GL_ARB_draw_indirect                    (4.0)
    GL_ARB_gpu_shader5                      (4.0)
    GL_ARB_gpu_shader_fp64                  (4.0)
    GL_ARB_multi_bind                       (4.4)
    GL_ARB_program_interface_query          (4.3)
    GL_ARB_robustness                      
    GL_ARB_sample_shading                   (4.0)
    GL_ARB_separate_shader_objects          (4.1)
    GL_ARB_shader_atomic_counters           (4.2)
    GL_ARB_shader_image_load_store          (4.2)
    GL_ARB_shader_storage_buffer_object     (4.3)
    GL_ARB_shading_language_packing         (4.2)
    GL_ARB_tessellation_shader              (4.0)
    GL_ARB_texture_buffer_object_rgb32      (4.0)
    GL_ARB_texture_buffer_range             (4.3)
    GL_ARB_texture_cube_map_array           (4.0)
    GL_ARB_texture_filter_anisotropic       (4.6)
    GL_ARB_transform_feedback3              (4.0)
    GL_ARB_vertex_attrib_64bit              (4.1)
    GL_EXT_abgr                            
    GL_EXT_blend_minmax                    
    GL_EXT_direct_state_access             
    GL_KHR_debug                            (4.3)
    GL_NVX_gpu_memory_info                 
    GL_NV_depth_buffer_float               
    GL_NV_gpu_shader5                      

Unsupported OpenGL Extensions used by Houdini:
    EXT_extensions_string                  
    GL_ATI_meminfo                         
 
OpenGL Limits:
   ELEMENTS_VERTICES                        1048576
   ELEMENTS_INDICES                         1048576
   VERTEX_UNITS                             32
   TESS_CONTROL_TEXTURE_IMAGE_UNITS         32
   TESS_EVALUATION_TEXTURE_IMAGE_UNITS      32
   GEOMETRY_UNITS                           32
   FRAGMENT_IMAGE_UNITS                     32
   COMBINED_UNITS                           192
   TEXTURE_SIZE                             32768
   3D_TEXTURE_SIZE                          16384
   CUBE_MAP_TEXTURE_SIZE                    32768
   RECTANGLE_TEXTURE_SIZE                   32768
   TEXTURE_ARRAY_LAYERS                     2048
   MAX_COLOR_TEXTURE_SAMPLES                32
   MAX_DEPTH_TEXTURE_SAMPLES                32
   FBO_ATTACHMENTS                          8
   DRAW_BUFFERS                             8
   VIEWPORT_DIMS                            32768x32768
   VERTEX_UNIFORMS                          4096
   FRAGMENT_UNIFORMS                        4096
   VERTEX_ATTRIBS                           16
   VERTEX_OUTPUT_COMPONENTS                 128
   MAX_CLIP_DISTANCES                       8
   PATCH_VERTICES                           32
   TESS_GEN_LEVEL                           64
   TESS_PATCH_COMPONENTS                    120
   TESS_CONTROL_OUTPUT_COMPONENTS           128
   TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS     4216
   TESS_EVALUATION_OUTPUT_COMPONENTS        128
   GEOMETRY_UNIFORM_COMPONENTS              2048
   GEOMETRY_INPUT_COMPONENTS                128
   GEOMETRY_OUTPUT_COMPONENTS               128
   GEOMETRY_TOTAL_OUTPUT_COMPONENTS         1024
   GEOMETRY_OUTPUT_VERTICES                 1024
   UNIFORM_BLOCKS                           84
   UNIFORM_BLOCK_SIZE                       65536
   UNIFORM_BUFFER_BINDINGS                  84
   COMBINED_VERT_UNIFORM_BLOCKS             14
   COMBINED_VERT_UNIFORM_COMPS              233472
   TESS_CONTROL_UNIFORM_BLOCKS              14
   TESS_CONTROL_UNIFORM_COMPONENTS          2048
   TESS_EVALUATION_UNIFORM_BLOCKS           14
   TESS_EVALUATION_UNIFORM_COMPONENTS       2048
   COMBINED_GEO_UNIFORM_BLOCKS              14
   COMBINED_GEO_UNIFORM_COMPS               231424
   COMBINED_FRAG_UNIFORM_BLOCKS             14
   COMBINED_FRAG_UNIFORM_COMPS              233472
   MAX_FRAGMENT_STORAGE_BLOCKS              16
   MAX_STORAGE_BLOCK_BINDINGS               96
   TRANSFORM_FEEDBACK_INT_COMPS             128
   TRANSFORM_FEEDBACK_SEP_COMPS             4
   TRANSFORM_FEEDBACK_SEP_ATTRIBS           4
   LINE_WIDTH_RANGE                         0.5 - 10
   LINE_WIDTH_GRANULARITY                   0.125
   POINT_SIZE_RANGE                         1 - 189.875
   POINT_SIZE_GRANULARITY                   0.125
Segmentation fault (core dumped)

lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 20.04.4 LTS
Release:	20.04
Codename:	focal

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Houdini Lounge » Houdini 19 doesn't load AT ALL on Ubuntu 21.10


tas3d: 120 posts; Offline

March 4, 2022 13:09:22

Hi,

Im on Ubuntu 20.04.4 LTS, H19.0.531, AMD Ryzen 9 and Nvidia 2070 GPU.
Getting this crash on houdini startup

Houdini FX Version 19.0.531 [linux-x86_64-gcc9.3]
Uptime 1 seconds
Fri Mar  4 09:37:44 2022
Caught signal 11

Traceback from 2951 ThreadId=0x7f1b4aa7fe00
AP_Interface::coreDumpChaser(UTsignalHandlerArg) <libHoudiniUI.so>
AP_Interface::si_CrashHandler::chaser(UTsignalHandlerArg) <libHoudiniUI.so>
signalCallback(UTsignalHandlerArg) <libHoudiniUT.so>
UT_Signal::UT_ComboSignalHandler::operator()(int, siginfo_t*, void*) const <libHoudiniUT.so>
UT_Signal::processSignal(int, siginfo_t*, void*) <libHoudiniUT.so>
__funlockfile <libpthread.so.0>

I tried few suggested fixes mentioned above:
sudo apt install libopengl0 freeglut3 freeglut3-dev
sudo apt-get install --reinstall libxcb-xinerama0

But still no love.

Running export LD_PRELOAD="/lib/x86_64-linux-gnu/libc_malloc_debug.so.0 doesn't work, it seems like this file does not exist on my system. I have already libc6 installed, perhaps I need something else?

I contaced SESI support, but they have no solution. Any ideas?
Thanks!

Edited by tas3d - March 4, 2022 13:43:08

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Solaris » Asset Gallery Python API


tas3d: 120 posts; Offline

Jan. 28, 2022 14:18:55

there are few more methods available through this module

C:\Program Files\Side Effects Software\Houdini 19.0.464\houdini\python3.7libs\husd\assetutils.py

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Technical Discussion » Error saving USD to network folder


tas3d: 120 posts; Offline

Jan. 25, 2022 23:56:04

ahh, thanks for explanation. Got my hopes high.
That is really tough problem to solve. Pixar probably doesn't have a single Windowz machine in their office.

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Technical Discussion » Error saving USD to network folder


tas3d: 120 posts; Offline

Jan. 25, 2022 19:47:46

has anyone tried this fix yet?
I dont have network drive at hand.

mtucker, do you have any insight?

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Technical Discussion » How do I Boolean Heightfield with Geo/Sdf ?


tas3d: 120 posts; Offline

Jan. 25, 2022 14:00:46

haha I had exactly the same feeling when I wrote this code. It just felt wrong.

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Technical Discussion » TAB Submenu Path


tas3d: 120 posts; Offline

Jan. 22, 2022 23:33:49

Take a look at VHDA from Labs. It's still XML, but their code looks clean enough to me.

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Solaris » USD StandIns?


tas3d: 120 posts; Offline

Jan. 22, 2022 22:54:23

Take a look at this vid.
Chris is showing how to not load payload and work with extents LOP.

https://youtu.be/EgTqz6y_oAs [youtu.be]

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Technical Discussion » Adding to Layout Asset Gallery from Python


tas3d: 120 posts; Offline

Dec. 23, 2021 00:50:06

in H19 there is Component Builder that has it implemented via Python.
Nice and clean code.

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Solaris » SOP Import for Volumes with specified path attrib


tas3d: 120 posts; Offline

Dec. 21, 2021 15:03:09

thank you very much
'usdvolumepath' is what I needed

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