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berniebernie

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About berniebernie

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    http://berniebernie.fr

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    Bernie
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    Paris

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  1. can you expand on the topic ?
  2. Display and simulation are two different things. Using shelf tools to build your scene and bullet for physics all you need to do is check 'convex hull' to make sure it bounces inside the sphere collide inside sphere.hip
  3. 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.
  4. Hello I need to deactivate a passive collider at some point in my sim, and I can't figure out a simple way to deactivate it. I've tried groups, affectors, 'active value'. It's probably a simple fix, but the only 'hack' that I've found is to use a merge under my static object (merge with a null) and keyframe its activation between 1 and 0 Thanks in advance Bernie
  5. Thanks ! It seems to be the right way, but despite changing the session names or trying other flags, I am unable to load dynamically load (ie flipbook from my camera) my first take in viewport 1, second in viewport 2 (to compare animation) etc... I've read the docs on http://archive.sidefx.com/docs/houdini15.0/mplay/mplay_multiple_viewports but I'm still struggling
  6. Hello Odforce Is it possible to link two mplay sessions so I can have a side by side comparison of my animations ? If I have the same frame count and get lucky pressing play it works, but it doesn't really work everytime. Thanks!
  7. Thanks for the snippet, it actually works in hqueue now, even the simple print, in a python node (instead of the alembic rop which only fires when a frame is written, not during preroll). My problem was that my python node was after the dopnet which was simulating, so it never fired during preroll. Silly me.
  8. Hello I'm sending alembic rops to hqueue and there's a lot of preroll. Even with alfred-style progress turned on, I have no feedback on what's going on. I was thinking that I could add a python node to write to the stdout (which I though would show up in the hqueue logs) like so: import sys f= hou.frame() sys.stdout.write('frame: '+str(f) + '\n') But it doesn't work. Any ideas ? When I start houdini with the -foreground option (so that the shell it launches from doesn't spawn a new process and should receive outputs) and write to stdout, it only shows up in the python console Thanks
  9. Hello Does anyone else on linux distros (we use Centos 6.5) freeze when promoting parms when in VOP contexts ? It did it on H14 and it still does it on H15. No ram/cpu spike, just frozen. Sometimes when you can activate a UI element it will come back, but rarely.
  10. I already have a vdb smooth, but it doesn't really do the trick for large, low poly objects
  11. Hello Does anyone know a way I could get the normal data to 'smooth' vdbs ? I'm trying to remesh geometry (polytovdb>smooth>convert vdb), but I always seem to get these hard edges I might be overlooking something or it's something complicated. In the following screenshot (which would be a more complicated mesh, of course) 1) is my base geo with smooth normals 2) is my vdb and 3) is the vdb i woul like to have. I can't always smooth incoming geo, unfortunately. Thanks! bernie
  12. Short of creating a motion path, Is it possible to edit keyframes in space instead of the graph viewer ? Here's what it loooks like in maya ('create editable motion trail')
  13. submitted a bug report and it was logged as Bug (ID=64819). Amazed by the speed of feedback =) edit: it is fixed and should be good for houdini14
  14. hello! do any french or "azerty" users have this bug where they can't write ` backticks ? It doesn't do anything, I have to copy pase from notepad. The obvious switch to qwerty answer is out of the question =( thank you and have a good day bernie