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Found 243 posts.

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Solaris and Karma » OCIO : Opengl vs CPU vs XPU

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julca
262 posts
Online
 Nov. 17, 2023 12:17:04
mark
This should be consistent in the next daily build of H20.0.
Yes !
I confirm, thank you
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Solaris and Karma » OCIO : Opengl vs CPU vs XPU

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julca
262 posts
Online
 Nov. 13, 2023 13:59:33
Hello @mark, thank you for your return.
So that's means that is read metadata in priority, then OCIO file rules if needed ?

So we will see in the next daily build,
Thank you
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Solaris and Karma » OCIO : Opengl vs CPU vs XPU

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julca
262 posts
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 Nov. 13, 2023 13:50:39
Thank you @jsmack,
Let me know where I made mistake and I'll correct them. At the end I only have two, sRGB and Acescg but I can made a mistake while preparing all extension/patern versions.

I don't know about metadata but it's could be a good explanation, I'm curious if that is taken into account.

I would be very happy to demystify all this stuff
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Solaris and Karma » OCIO : Opengl vs CPU vs XPU

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julca
262 posts
Online
 Nov. 12, 2023 14:39:24
Hello,

I Try to understand how to well setup OCIO and my textures workflow for H20.
I really like the new OCIO editor, very clear.

But after long hours on it I still don't always understand result.


To test pattern/extension OCIO matching I prepared 4 versions of a same srgb jpg texture and 4 version of the ACEScg exr one.
So I have 8 box by render but I don't get expected result for all.

Cf. 3 screenshots commented for the 3 render engines (Opengl, CPU, XPU).






I notice that XPU and CPU doesn't match on cube (7).
Also some color conversion seems to not working : (cf. textes "behavior : Wrong").


Hope someone can explain me what happen or where I made a mistake.
Project files joined below ("2023_11_12_karma_ocio.zip")
Thank you
Edited by julca - Nov. 13, 2023 02:35:51
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Technical Discussion » 2d pan & zoom in houdini 20

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julca
262 posts
Online
 Nov. 11, 2023 14:32:49
spektra
hey, sorry for the bad explanation, attaching a video. left is 19.5 and right is 20.
Oh yes that's a very usefull behavior in 19.5 that I used too and hope it will be corrected in H20
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Solaris and Karma » MDL shaders support in Karma

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julca
262 posts
Online
 Aug. 27, 2023 04:35:41
Hello,

I face off same situation where commercial 3d models in usd are mdl based for material description.
Evermotion archmodels with usd [evermotion.org]

Does it means the pain to integrate external 3d model library will never ending on houdini side ?
I really hope some move to facilitate the day to day work about this.
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MARDINI Daily Art Challenge 2022 » MISSING PRIZES

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julca
262 posts
Online
 Aug. 23, 2023 06:45:58
Finally I received it today ! Thank you
We must always believe in SideFX !
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Solaris and Karma » Transformed asset to point instancer

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julca
262 posts
Online
 Aug. 4, 2023 10:46:53
Wouahoo that's just one node !
Next step is only magic !

Thank you @tamte for this quick and short solution.
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Solaris and Karma » Transformed asset to point instancer

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julca
262 posts
Online
 Aug. 3, 2023 08:10:58
Hello @npetit,

Super, thank you for your explanation and solution.
That's simple to use and very useful.
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Solaris and Karma » Transformed asset to point instancer

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julca
262 posts
Online
 Aug. 2, 2023 11:56:38
Hello,

I want to convert duplicated and transformed asset into a point instancer for further operations. I can get all positions but I don't know how to get back their orientations.

Cf. screenshot, on the left what I do manually and on the right when I try to get back in instancer, from source node "out_for_transform", the transformations.

Do you know how to do ?
(cf. simple scene file)
Thank you.
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Solaris and Karma » TimeShift And MotionBlur

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julca
262 posts
Online
 July 16, 2023 04:10:23
Hello @tamte,

Super that's working !
Thank you for your solutions and explanations !!
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Solaris and Karma » TimeShift And MotionBlur

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julca
262 posts
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 July 15, 2023 19:36:00
Hello,

I can't have MotionBlur when use I use a TimeShift node.
Do you know how I can make it work ? I really need to use the timeShift node.

Thank you.
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Houdini Indie and Apprentice » Hard Edges

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julca
262 posts
Online
 June 5, 2023 09:44:19
Pacman972
The issue with the solution provided with Cusp : you litteraly cut the geometry and it gives overlapping points...
I'm surprised Houdini does not provide simple tool to crease/hard edge as you can do with other software like Max.
Hello @Pacman972, I think you miss the @probiner response that give you the straigth way to do this without litteraly cut the geo.

Cf. below quick illustrated example, hope that help.
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Houdini Engine for Unreal » Unreal Engine 5.2 support

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julca
262 posts
Online
 May 23, 2023 04:00:00
TwinSnakes007
I copied:
C:\Program Files\Side Effects Software\Houdini Engine\Unreal\19.5.605\5.1\HoudiniEngine

To:
C:\Program Files\Epic Games\UE_5.2\Engine\Plugins
Hello,
I still havn't try to update to 5.2 but from the doc it says :
"For Unreal Engine 5, you must use Unreal's project directory."

cf. getting_started.html [www.sidefx.com]

Hope that help !
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MARDINI Daily Art Challenge 2022 » MISSING PRIZES

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julca
262 posts
Online
 April 3, 2023 09:18:58
I'm sorry but I never received my t-shirt.
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Mardini 2023 » Day 1 | Shape | Round | Animation

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julca
262 posts
Online
 March 1, 2023 20:01:52
Round

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Houdini Indie and Apprentice » Houdini Indie freezes when creating or deleting nodes

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julca
262 posts
Online
 Oct. 12, 2022 02:17:03
traileverse
I change the license server from sidefx.com to local server and it seems to be working fine now, so that was the problem.
Hello @trailverse, thank you for info, I also have same behavior regulary and also when open houdini it often open my Internet navigator to show my licenses (which are ok) or tell me I'm not connected with the opening the houdini license administrator tool.

I'm curious if that's a sidefx server problem that can be resolved in future or a limitation of this kind of Online licensing.
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MARDINI Daily Art Challenge 2022 » Prize Pack Delivery

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julca
262 posts
Online
 Oct. 7, 2022 04:59:17
With all this time to wait, @rmagge is probably preparing more extra goodies like pants, hats, pens, etc.
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Houdini Learning Materials » Houdini 19.5 | Epic Speed Modeling | Kitchen

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julca
262 posts
Online
 Oct. 6, 2022 08:06:17
Hello @SIgor420, thank you to show this.

It's happy to this in the light because yes we can use houdini for any kind of modeling stuff and also for "architectural" work.
I personally use it for this without need of any sort of "modeler" plugin (as well it can be) to achieve lot of stuff with te benefit of the proceduralism way on the fly when needed.
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Solaris and Karma » Save used usd assets from library to current project

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julca
262 posts
Online
 Aug. 23, 2022 12:12:16
@goldleaf, Thanks you for your quick response.
Ok so I'll copy for now my full library into each project, hope there is a day a one button solution for this !
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