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Found 627 posts.

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Houdini Lounge » A Comprehensive Feature List Between Karma XPU + Redshift

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mandrake0
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 2024年3月16日 09:43:13
tbay312
And no, I don't believe this comparison is too early. SideFX has announced that XPU is "gold," which means that it should be able to compete with other software packages for its place in production pipelines, and it's been publicly released for about 5 years now.

Just as a small note Karma XPU was first released as alpha in H19 (oct 2021). That is about 2.5 years ago. Karma CPU was released about 5 years ago (H18 with solaris).
Same sqme but diffrent

Maybe you can have a talk with the XPU main developer brian sharpe?
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Houdini Lounge » Let me know how to use anamorphic lens

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mandrake0
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 2024年2月20日 13:08:29
Karma lense shader could be a option.

https://www.reddit.com/r/Houdini/comments/12th6na/help_anamorphic_lens_effect_in_houdini_using_lens/ [www.reddit.com]

https://www.sidefx.com/docs/houdini/solaris/karma_lens_shader.html [www.sidefx.com]
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H20 Tech Art Challenge » WIP | PlasticityBridge fo Houdini [Houdini Utility]

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mandrake0
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 2024年2月15日 07:22:38
NLM
Hey ! I'd love to hear about this project! Did you manage to fix what you were looking for?

Sadly not. Thats why i also did not submitted it and release the code.
I was thinking to release the code but i am sure then many complaines would come up because the problem with H20. When i release the code i will update it here.

I have submitted another project for tge challange.
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Houdini Lounge » I've been badly cheated. Houdini is a programmer's world.

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mandrake0
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 2024年1月30日 12:57:11
hanyilun2
alexwheezy
toonafish
Don’t know if this is on topic, but if SideFX is smart they will incorporate some kind of AI asap, and programming or scripting will be replaced by writing easy to understand prompts, which would make Houdini much more accessible for mere mortals that can’t write code.

That's pretty sad to hear. I wouldn't want SideFX to waste their time and go down this path of development using AI as an assistant inside Houdini.

Over the last 10 years there are already enough tutorials: articles, courses, blogs telling you that it's not that hard, you just need to spend some time to learn the basics, which shows that it's already quite accessible. After all, there are even tools that allow you to beautifully package snippets of code so that it can be reused with.
And I would not call it all programming as it is used now in the usual sense of the word. Real programming is much more complex than what is used in VEX, HScript and what is required of artists.

What is more interesting in my opinion is the possibility to apply AI invisibly to the user where Houdini may not be fast enough at the moment: simulation, rendering, data compression algorithms, improving DashBox's internal search engine, etc. As it was shown in the last H20 presentation that we can use ML for skinning and terrains.

Are there real artists demanding AI coding in Houdini or it's just marketing bs? It's hard for me to imagine how AI coding can solve real problems in real works. I just spent $99 purchased OD Shelftool recently ,it makes my life much easier with those big,nice,beautiful,readable,easily editable thumbnails in asset library/file browser and intuitive drag-and-drop operating.But I feel little bit sad, as a former c4d user and I'm still firing up c4d&blender once in a while, I know this is just how a modern DCC suppose to be.(I tried Solaris' asset library, it SUCKS! by all means).I would appreciate it if SideFx start putting their finger on those basic user experience features ,it will benefit all skill level artists, encourage us firing up Houdini more.

AI there are base functionality in Houdini. If you don't know how to use it or create projects with pytorch, tensorflow it is 100% fine not to use.

Houdini is very technical so some UX can be as a new user very strage. If there are editor functions that doesn't make sense in your view please make a RFE or if there is a houdini meetup near your location get in contact to some houdini artist. Houdini is not easy everyone knows it, it also can be that it doesn't fit in your work process and C4D could be a better solution for you.

Please don't use BS or Sucks... thank you.
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Houdini Lounge » We need a new OpenGL ROP!

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mandrake0
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 2024年1月23日 06:59:20
I am sure there will be a Vulkan ROP. Maybe next release. We need to wait.
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H20 Tech Art Challenge » Best Houdini Utility Entries

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mandrake0
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 2024年1月15日 14:20:18
Houdini 2 Godot Exporter

This is a HDA Setup for Exporting 3D Scenes to Godot Engine.

Current target was to have a Basic 3D Scene Exporter for the Godot Engine inside Houdini.
The Scene Exporter can Export a CSV file with the required Optimisation where indie Developers can create 3D Scenes with +50K Instanced Objects with no problems.

OBJ HDA Asset Exporter
The target is to have multiple Asset Exporters to organize the Project in sections.

  • Export multiple assets in gltf or glb
  • can create Godot Scene Files
  • define Godot Asset Folder

OBJ HDA Scene Exporter
Creates CSV Files and Godot Scene File with Instance Data for small and medium Indie Game Levels

  • Exports CSV in UTF-8
  • can create Scene Files
  • Optimizer for reducing File Size

SOP HDA Instance Asset
Helper Node for creating the required Attributes for the Scene Exporter Node.

  • creates all required Attributes
  • Custom Godot path or Houdini Object


The Project is on Github with some Examples.
https://github.com/Mandrake0/houdini2godot [github.com]

Setup Guide
Edited by mandrake0 - 2024年1月15日 14:37:13
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3rd Party » Redshift Installation in Houdini

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mandrake0
650 posts
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 2024年1月6日 17:32:57
Instead of houdini.env you should use a package json file.

https://help.maxon.net/r3d/houdini/en-us/Default.htm#html/Houdini+Plugin+Configuration.html [help.maxon.net]

There is also the redshift forum:
https://redshift.maxon.net/categories [redshift.maxon.net]
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Houdini Lounge » Why do multiparms waste so much screen space? Why so wide?

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mandrake0
650 posts
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 2023年12月26日 17:30:41
i think it is the right time for a UI RFE!

the vfxplatform it notes for this year a big QT upgrade.
https://vfxplatform.com/ [vfxplatform.com]

How to RFE:
https://www.sidefx.com/forum/topic/25347/ [www.sidefx.com]
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H20 Tech Art Challenge » WIP | PlasticityBridge fo Houdini [Houdini Utility]

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mandrake0
650 posts
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 2023年12月21日 09:44:39
LouisVass
nice going!

what issues have you encountered running this in H 20?

ive been working on the same thing, started in 19.5 and now in 20

The problem is with the Python Threading. it is the same code from the Blender Bridge. somehow it gives a Error in H20.
Need to fix some small Errors then i can release it on Github.
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Houdini Engine API » How do you get log info from HARS/Where does HARS write logs

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mandrake0
650 posts
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 2023年12月16日 16:02:28
I am not the expert for the HAPI.
what i would try is one of this functions

1. Stdout
https://www.geeksforgeeks.org/sys-stdout-write-in-python/ [www.geeksforgeeks.org]

2. Use python logging
https://docs.python.org/3.10/howto/logging.html [docs.python.org]

Sometimes it is tricky to find the problem. You also can try hython but it depends on the implementation.
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H20 Tech Art Challenge » WIP | PlasticityBridge fo Houdini [Houdini Utility]

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mandrake0
650 posts
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 2023年12月13日 07:28:21
Small update.

it is still very buggy and only works in H19.5 but it is a progress.

Edited by mandrake0 - 2023年12月13日 07:31:34
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H20 Tech Art Challenge » WIP | PlasticityBridge fo Houdini [Houdini Utility]

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mandrake0
650 posts
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 2023年12月12日 14:06:38
HandcraftedMedia
Very exciting! Been thinking about tackling this task but the websocket stuff is scary
Nice work!

I have taken the base from the Plasticity Bridge from Blender. A custom Implementation would have been waste of Time.
This means also the code will be released on Github with the same MIT License.

For me it was a bigger challenge to understand the concept of the Bridge and how Blender Data Structure Works.
The Integration in Houdini is less complex and I TRY also to have the same Functionality.

There is also one strange bug that makes the current code not working in H20(Python 3.10) but it works in H19.5 (Python 3.9) but in Blender(Python 3.10) it works.
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Houdini Lounge » Houdini 19.5 Crash on rendering

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mandrake0
650 posts
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 2023年12月2日 22:15:32
Mjag007
I'm on it, Running sets of 50 frames with no mats to see how it goes.

And to be honest, I also tried Choas Cloud, and that crashed on going through that process. This leads me to believe it might be less of rendering more on the data side.

And to give you a bit more info this is a pretty heavy RBD 450 frame seq. All cached out to disk

The error message just notes it crashed. Hard to analyse from where the problem comes from. It could be a file sequence as the heavy RBD simulation. It could be also a shader thing.
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Houdini Lounge » Houdini 19.5 Crash on rendering

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mandrake0
650 posts
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 2023年12月2日 12:32:40
1. Check if you can render in mantra or karma.
2. Was there a previous scene that workes before the crash happend.
3. Disable shaders or meshes to find the problem. It could be a shader or a mesh that could cause the crash.
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H20 Tech Art Challenge » WIP | PlasticityBridge fo Houdini [Houdini Utility]

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mandrake0
650 posts
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 2023年11月24日 08:36:39
Current State:
* Fixed some small bugs
* Added Support for Groups

The Code looks more like spaghetti then a solid HDA/Python solution, it will take time for a Release!
but it works and it gives me more insides and understanding.

Lost today some time, objects where missing there where no wires and I haven't seen any special code that would block it. Downloaded Blender and used the plasticity Bridge and surprise it doesn't show up either. so in the Communication Lib from Blender plasticity Bridge they show up in a Enum but nothing is showing up in the data message.
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H20 Tech Art Challenge » WIP | PlasticityBridge fo Houdini [Houdini Utility]

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mandrake0
650 posts
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 2023年11月22日 09:42:00
ABOUT
The Plasticity to Houdini Bridge has started about 2 Months ago. Target is to have the same Integration as the plasticity-blender-addon.

Because H20 was then around the corner and the rumours of APEX where around i wasn't sure how the new Technology can be used for this Project i have waited till i could understand if it makes sense to Implement APEX into this Project.
Currently i will not use APEX but i plan to use SOP verb's.

The Project is early stage it has also a problem with H20 with the Communication to Plasticity that i need to understand more.

Roadmap
  • Implement all Object Types
  • Fix small Bug
  • Make it work in H20
  • Release to Github
Edited by mandrake0 - 2023年11月22日 09:45:30
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Houdini Lounge » H20 question - could someone describe the advantages of APEX system?

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mandrake0
650 posts
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 2023年10月27日 18:10:34
What i know it is SOP 2.0.
It abstracts the operator function from the parameter.
The node network is build dynamicly and gets compiled.

I currently don't know if the data has it's own stream. With this concept it looks like all data from: point, vertex, prims, detail, (parameters and the node network) will have the same data structure (json).

I hope there will be a unify API that is simplyfied for Python, VEX, OpenCL.
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Houdini Lounge » Extraweg, Zolloc.

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mandrake0
650 posts
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 2023年10月27日 12:08:16
Tutorials for learning Houdini are here: https://www.sidefx.com/learn/ [www.sidefx.com]

i wanted to write down how you can do it but on the end it was quicker to build it.

Note:
if it's a school work the teacher will find out
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Houdini Lounge » Houdini 20 will be unveiled (not released) on October 26

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mandrake0
650 posts
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 2023年10月26日 07:40:07
osong
making prototypes and proposals on unpaid basis

what could possibly go wrong

There is a QT upgrade for 2024, it would make sense to give now input to SESI.

https://vfxplatform.com/ [vfxplatform.com]

My brother made a RFE with some text and a mockup image how he wants it and 3-4 days later it was in a daily build. When it is a small task they could add it quickly.
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Houdini Lounge » Houdini 20 will be unveiled (not released) on October 26

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mandrake0
650 posts
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 2023年10月18日 16:42:39
Ruteger
Should I start learning Houdini 19.5 now or wait for v20 to start? Will v20 be that much different in regards to learning curve or workflow?

The core concept won't change. You will invest enough time and brain cells to understand houdini. Just start and learn and enjoy the coming H20 as the upcoming playground
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