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Found 362 posts.

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Houdini Lounge » recent builds cause errors in console

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sanostol
585 posts
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 Feb. 6, 2010 05:18:12
Hi

i see some error messages in the console when starting recent builds, the last working one, I had installed is 10.0.465, newer ones seem to have problems with some directories. I'm running windows 7 ultimate

the error looks like this:

Could not initialize help system: error: Zugriff verweigert: ‘c:\\users\\admin/*.*’
exception: WindowsError
details: Traceback (most recent call last):
File “<stdin>”, line 1, in <module>
File “CPROGRA~1/SIDEEF~1/HOUDIN~1.541/houdini/scripts/python\houdinihelp\__init__.py”, line 5, in <module>
from wikiparser.textify import dechar
File “C:\cygwin\home\prisms\builder-new\Nightly10.0\dev\src\houdini\help\wikiparser\textify.py”, line 4, in <module>
File “Ccygwin/home/prisms/builder-new/Nightly10.0/dev/hfs\houdini/scripts/pythonlibs\genshi\__init__.py”, line 24, in <module>
File “CPROGRA~1/SIDEEF~1/HOUDIN~1.541/houdini/scripts/pythonlibs\pkg_resources.py”, line 2553, in <module>
working_set = WorkingSet()
File “CPROGRA~1/SIDEEF~1/HOUDIN~1.541/houdini/scripts/pythonlibs\pkg_resources.py”, line 384, in __init__
self.add_entry(entry)
File “CPROGRA~1/SIDEEF~1/HOUDIN~1.541/houdini/scripts/pythonlibs\pkg_resources.py”, line 399, in add_entry
for dist in find_distributions(entry, True):
File “CPROGRA~1/SIDEEF~1/HOUDIN~1.541/houdini/scripts/pythonlibs\pkg_resources.py”, line 1659, in find_on_path
for entry in os.listdir(path_item):
WindowsError: Zugriff verweigert: ‘c:\\users\\admin/*.*’


does anybody else experience this?

Martin
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Houdini Lounge » deformSOP -deform quaternion attribute

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sanostol
585 posts
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 Feb. 4, 2010 01:18:24
Indeed, I even did't have time to log a bug. Great!
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Houdini Lounge » deformSOP -deform quaternion attribute

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sanostol
585 posts
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 Feb. 1, 2010 04:28:39
I encounter some inconsistent quaternions during animation of captured geometry. I made a little test setup to demonstrate the problem.

in the main take both bones rotate, and that's where the problem occurs. the 2 other takes have only on bone's animation active.

I added a object to visualize the orient attribute on the geometry, and as You can see it is inconsistent during the animation.

how can I avoid this strange geometry jumps?

best regards
Martin
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Technical Discussion » Matte, phantom and instances

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sanostol
585 posts
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 Feb. 1, 2010 01:07:57
You must set the alpha of Your matte material to zero
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Technical Discussion » rendering with multiple cpus on one frame

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sanostol
585 posts
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 Jan. 31, 2010 05:42:29
the mantra rop has a command line in it's parameters, mantra allready is there , just add You stuff their
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Houdini Lounge » Previous/Next Keyframe Buttons in the parameter pane

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sanostol
585 posts
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 Jan. 10, 2010 05:20:13
ok, the problem is that some node's keyframes do not show up in the timeline, like the rbdactive, but I added a 2 hotkeys, now when i hover over a parameter i can jump to here. thats fine
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Technical Discussion » procedural RBD activation problem

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sanostol
585 posts
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 Jan. 10, 2010 04:38:33
you mean the copyDataDOP? I'm sure there are more than one way to achieve it, as usual, hehe
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Houdini Lounge » Previous/Next Keyframe Buttons in the parameter pane

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sanostol
585 posts
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 Jan. 9, 2010 18:37:41
Hi

when I remember right there were two arrow buttons in h8 in the parameter pane to quickly jump to the previous or next keyframe. is there a way in h10 to get them. I could not find it.

Martin
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Technical Discussion » procedural RBD activation problem

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sanostol
585 posts
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 Jan. 9, 2010 18:17:12
mh, not sure about the argc expression, but maybe I didn't get your idea
i was thinking about linking them by a additional data in dops, we will see.

Martin
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Houdini Lounge » EXR

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sanostol
585 posts
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 Jan. 9, 2010 17:08:57
hi,

in Your mantraROP, check out the output tab under properties. there You can add additional output planes and N is a standard output. if You render in exr You should be able to use it in nuke

Martin
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Technical Discussion » procedural RBD activation problem

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sanostol
585 posts
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 Jan. 9, 2010 16:25:32
hi Manuel

modify your dopfield expression in the rbdstate node to:

if( dopoption(“.”, “grid”, “Position”, “ty”) >= point(“/obj/dopnet:mygroup_”+($OBJID-3)+“/Geometry”, 0, “ymin”, 0), 1, 0)

Your box naming starts at zero, but the objid is allready at 3, as 0,1 and 2 are allready occupied by other objects.

I'm also looking for a way to reference this more bulletproof


cheers Martin
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Technical Discussion » Tricky motion question

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sanostol
585 posts
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 Jan. 8, 2010 08:32:56
haha, great peter, keep going
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Houdini Lounge » primlist() question

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sanostol
585 posts
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 Jan. 8, 2010 08:16:22
hi manuel,

opinput returns a string, no need to convert it, by putting the function in “” I think You turn this in to a string and not the result

Martin
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Technical Discussion » 3 sided poly with different textures - help please

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sanostol
585 posts
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 Jan. 5, 2010 16:59:45
switch both uv_front nodes to vertices instead of points

cheers
Martin
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Houdini Lounge » simple question about birthing particles

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sanostol
585 posts
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 Dec. 18, 2009 02:39:35
sometimes it is a good idea to scatter points, and use them as source, so You have exact control.

EDIT: ha, missed Your last edit :roll:
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Houdini Lounge » touchdesigner ?

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sanostol
585 posts
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 Nov. 17, 2009 00:55:06
thanks, sounds very interesting. My only fear is that it is as addictive as houdini.
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Houdini Lounge » touchdesigner ?

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sanostol
585 posts
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 Nov. 16, 2009 12:18:56
touchdesigner, what exactly is it and what role does it play in concerning houdini? I'm just curious.

Martin
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Houdini Indie and Apprentice » adding "mount points" for props to a procedual pol

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sanostol
585 posts
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 Nov. 11, 2009 01:26:33
hi manuel,

if You use N to orient Your copies, they are only restricted to one axis, but they still have the freedom to rotate 360 degrees around this axis. not defining a upvector is unsafe. by adding a upvector You get them locked to a specific orientation. iksystems also use a upvector, for example

Martin
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Houdini Lounge » Volume Shading Summary

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sanostol
585 posts
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 Oct. 26, 2009 09:08:24
The second part is online now. It's about the metaball Loop

http://www.booyabase.de/?p=659 [booyabase.de]

Hope it helps
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Houdini Lounge » Volume Shading Summary

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sanostol
585 posts
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 Oct. 23, 2009 18:30:06
Hi,

I did a little summary for volumeshading in houdini using metaballs. The first part is done. May be it helps.

http://www.booyabase.de/?p=570 [booyabase.de]


any feedback is welcome
Martin
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