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Rendering with Arnold in Houdini and Solaris using the HtoA plug-in.
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'Generating Scene' problem

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Message 1 of 21
Anonymous
2198 Views, 20 Replies

'Generating Scene' problem

Hello


I have Houdini 17.5.501 and I've installed Arnold but It stays in the stage of ' Generating Scene' no matter what I do, I can't get it work.

reinstalling, latest version of Arnold 5.02 .. etc.. nothing.

can you help me?

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20 REPLIES 20
Message 2 of 21
Anonymous
in reply to: Anonymous

firewall disabling, changing the directory , nothing helps as well.


Message 3 of 21
Stephen.Blair
in reply to: Anonymous

The latest version of Arnold is 6.0.1

I guess you are using HtoA 5.0.2


If you're on Windows, what's logged in the Houdini Console?

Check the node info on the Arnold ROP, what's logged by Arnold?



// Stephen Blair
// Arnold Renderer Support
Message 4 of 21
Anonymous
in reply to: Anonymous

I'm not sure about Houdini 17.5.501
https://www.sidefx.com/download/daily-builds/#category-devel
Houdini 17.5.391 to Houdini 17.5.460
I can help if you post your houdini.env here?

Message 5 of 21
Anonymous
in reply to: Stephen.Blair

I have two PC's.

sharing the same spec mostly but in one of them Arnold ( 5.0.2) works just fine, in the other, Not!

in fact for the not working one, I get nothing in the console.

don't know how to get arnold logging!

thank you

Message 6 of 21
Stephen.Blair
in reply to: Anonymous

Arnold ROP > Diagnostics tab

Increase the log verbosity.

Get the Help > About Houdini > Show Details from each machine, and compare them. Anything different?


Does render to mplay work? Render to disk?



// Stephen Blair
// Arnold Renderer Support
Message 7 of 21
Anonymous
in reply to: Stephen.Blair

I compared two PC's and nothing and no serious dissimilarity except loginserver.

but interestingly Arnold Rop is complaining and It reads like this:

......

00:00:00 72MB | [hick] Start
00:00:00 72MB | [hick] Received: log_verbosity: 7942
00:00:00 72MB | [hick] Received: log_console_enable: 1
00:00:00 73MB WARNING | unable to load dynamic library C:/Users/jamshidi/htoa/htoa-5.0.2_raba8949_houdini-17.5.460/htoa-5.0.2_raba8949_houdini-17.5.460/arnold/drivers\driver_houdini.dll: The specified procedure could not be found. ....

I don't know about this error and this dll.

Message 8 of 21
Anonymous
in reply to: Stephen.Blair

I read about this here:

https://answers.arnoldrenderer.com/questions/12796/htoa-rendering-error.html

I think this is a common problem yes?


Message 9 of 21
Anonymous
in reply to: Anonymous

thank you

It is a regular .env file like:

# htoa config start

PATH = "$PATH;C:/Users/hadi/htoa/htoa-5.0.2_r5e954ab_houdini-17.5.460/htoa-5.0.1_r5e954ab_houdini-17.5.460/scripts/bin"

HOUDINI_PATH = "C:/Users/hadi/htoa/htoa-5.0.2_r5e954ab_houdini-17.5.460/htoa-5.0.1_r5e954ab_houdini-17.5.460;&"

PXR_PLUGINPATH_NAME = "C:/Users/hadi/htoa/htoa-5.0.2_r5e954ab_houdini-17.5.460/htoa-5.0.1_r5e954ab_houdini-17.5.460/hydra"

# htoa config end

and It is working on my other PC quite fine.

Message 10 of 21
Stephen.Blair
in reply to: Anonymous

2 reports doesn't make it common.

Is Houdini installed in the same place on each machine? In the default location, or a custom location?



// Stephen Blair
// Arnold Renderer Support
Message 11 of 21
Anonymous
in reply to: Anonymous

yes I suspected the error in your houdini.env file : 5.0.2 and 5.0.1 must be both 5.02 or 5.01
in PATH & HOUDIN_PATH
htoa-5.0.2_r5e954ab_houdini-17.5.460 and
htoa-5.0.1_r5e954ab_houdini-17.5.460
PXR PLUGINPATH_NAME is for Houdini 18 I already mentioned this, Solidangle or AD Should corrected this issue
Here is my houdini.env file

PATH = "$PATH;C:/Users/rachid/htoa/htoa-5.0.2_raba8949_houdini-17.5.460/htoa-5.0.2_raba8949_houdini-${HOUDINI_VERSION}/scripts/bin"
HOUDINI_PATH = "C:/Users/rachid/htoa/htoa-5.0.2_raba8949_houdini-17.5.460/htoa-5.0.2_raba8949_houdini-${HOUDINI_VERSION};&"

Message 12 of 21
Anonymous
in reply to: Stephen.Blair

same location and default location.


Message 13 of 21
Anonymous
in reply to: Anonymous

sorry that was typo.

mine are both 5.0.2. just like yours.

Message 14 of 21
Anonymous
in reply to: Anonymous

I installed it on the 3rd PC and working fine.

I did some renders and found out that It actually renders to disk, but doesn't render to Mplay ( render view).

I can't find the solution.


Message 15 of 21
Stephen.Blair
in reply to: Anonymous

Use Process Monitor to get a log that shows what's happening when Houdini / HtoA tries to load driver_houdini. Most likely it's a DLL version problem. For example, it could be an incompatible version of zlib1.dll


  • Download Process Monitor and extract it to a folder https://technet.microsoft.com/en-us/sysinternals/processmonitor.aspx
  • Start Process Monitor and start capturing events (CTRL+E or the magnifying glass icon)
  • Start Houdini
  • Render something to get the error
  • Go back to Process Monitor and stop capturing events
  • Save the Process Monitor log to a .PML file
  • Zip up the log and post it somewhere.


// Stephen Blair
// Arnold Renderer Support
Message 16 of 21
Anonymous
in reply to: Stephen.Blair

thank you

do I need to upload it here to analyze?

I couldn't find anything wrong.

this is the rest of the error by arnold rop, I thought I might be something:

00:00:00 73MB ERROR | [ass] line 35: node "driver_houdini" is not installed
00:00:00 74MB WARNING | rendering with watermarks because the skip_license_check option was enabled
00:00:00 89MB ERROR | [aov] output references a non-driver node: /out/arnold1:ip


Message 17 of 21
Stephen.Blair
in reply to: Anonymous

Upload it to a file sharing site, like DropBox.



// Stephen Blair
// Arnold Renderer Support
Message 18 of 21
Anonymous
in reply to: Anonymous

this is what I get on Arnold rop output:


00:00:00 74MB | [hick] Received: AA: 3 3
00:00:00 74MB | [hick] Received: begin
00:00:00 74MB | [hick] Batch mode
00:00:00 74MB | log started Thu Mar 26 13:38:54 2020
00:00:00 74MB | Arnold 6.0.2.1 [088e32fd] windows icc-17.0.2 oiio-2.1.4 osl-1.11.0 vdb-4.0.0 clm-1.1.1.118 rlm-12.4.2 optix-6.5.0 2020/03/06 10:19:18
00:00:00 74MB | running on DESKTOP-QGOVL7P, pid=19464
00:00:00 74MB | 1 x Intel(R) Core(TM) i7-5960X CPU @ 3.00GHz (8 cores, 16 logical) with 65436MB
00:00:00 74MB | NVIDIA driver version 442.19 (Optix 60600)
00:00:00 74MB | GPU 0: GeForce RTX 2080 SUPER @ 1860MHz (compute 7.5) with 8192MB (7189MB available) (NVLink:0)
00:00:00 74MB | Windows 8 Professional (version 6.2, build 9200)
00:00:00 74MB | soft limit for open files raised from 512 to 2048
00:00:00 74MB |
00:00:00 74MB | [hick] Start
00:00:00 74MB | [hick] Received: log_verbosity: 7942
00:00:00 74MB | [hick] Received: log_console_enable: 1
00:00:00 78MB WARNING | unable to load dynamic library C:/htoa//htoa-5.1.1_r126b954_houdini-18.0.391/arnold/drivers\driver_houdini.dll: The specified procedure could not be found.

00:00:00 78MB ERROR | [ass] line 29: node "driver_houdini" is not installed
00:00:00 78MB WARNING | rendering with watermarks because the skip_license_check option was enabled
00:00:00 93MB ERROR | [aov] output references a non-driver node: /out/arnold1:ip
00:00:00 93MB ERROR | [aov] no valid output statements found
00:00:00 93MB WARNING | failed to launch bucket workers: received abort signal

Message 19 of 21
Stephen.Blair
in reply to: Anonymous

@ Zip and upload a Process Monitor log somewhere



// Stephen Blair
// Arnold Renderer Support
Message 20 of 21
Riubotin
in reply to: Stephen.Blair

hello Stephen, did u find the solution about this problem? This problem happen to me too, I just using Arnold in Houdini.

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