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Houdini Lounge » Gaussian Splatter in Houdini?
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- luoqiulin
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Houdini Lounge » Gaussian Splatter in Houdini?
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- luoqiulin
- 303 posts
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Technical Discussion » Can Karma Use "Background Image as Matte" like Mantra?
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- luoqiulin
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with karma, you can use Foreground Image in camera or editcamera node.look at the camera help. if you need z-composite, add depth aov for the image."depth" not "deep",and rename the aov name as "Pz". and i found the filter zmax is better.
Houdini Lounge » is it editmaterial's bug or I misunderstand it?
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- luoqiulin
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In solaris, when i use editmaterial to lodad one material from materiallinker, some nodes changed to GenericShader. if i edit some other shaders such as ArnoldShader, all nodes bacame GenericShader.
can it fully reconstruct the shadingnet?
can it fully reconstruct the shadingnet?
Houdini Lounge » Unreal Engine or XPU?
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- luoqiulin
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Sygnumbut this is not a good excuse for why i don't use UE when my boss or customers asked. because everyone saw UE is very fast and the quality is good enough!
Sorry, even though I`ve seen some very interesting results the extra hoops needed makes it very uninteresting at least to me.
Houdini Lounge » Unreal Engine or XPU?
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- luoqiulin
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as everyone talking:Unreal Engine 5 is good enough for for filmmaking, it not only has pathtrace render,but also asset making rigging animation and even simulation.
so anyone really used it to make film? how do you feel about it? and if it really good enough,how do the karma redshift and renderman survial?
so anyone really used it to make film? how do you feel about it? and if it really good enough,how do the karma redshift and renderman survial?
Technical Discussion » translate arnold materials to MaterialX
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- luoqiulin
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HI,i want to translate Material Network Nodes or .mtlx to the real MaterialX file or real MaterialX network.
sure there is an optin to export materials as .mtlx. but i need replace the origial arnold shaders to standard mterialX shaders. then i can use karma to render the same asset.
here is a tool "KTMaterialXTools" did this in katana Your text to link here... [github.com]
so maybe anywhere has houdini tools.
sure there is an optin to export materials as .mtlx. but i need replace the origial arnold shaders to standard mterialX shaders. then i can use karma to render the same asset.
here is a tool "KTMaterialXTools" did this in katana Your text to link here... [github.com]
so maybe anywhere has houdini tools.
Houdini Lounge » change FPS but keep keyframes
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- luoqiulin
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Houdini Lounge » change FPS but keep keyframes
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- luoqiulin
- 303 posts
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Hi,when i change one session's fps,all the keyframes are scaled too,logically that's all right.but is it possiable to keep keep keyframes where they were?
Solaris and Karma » is there a way to override part of attributes?
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- luoqiulin
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Solaris and Karma » is there a way to override part of attributes?
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- luoqiulin
- 303 posts
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Hi,when use sublayer or merge node to merge to usd file together.the two usd can be composited,and the second usd's attributes will override the first one.
is there a way to chose any attributes or any objects to override but not everything?
I whish my explanation is clear.for example there are a.usd and b.usd,both have /geo1 and /geo2 objects,they have different transform and materials from a.usd and b.usd.
when I merge b.usd over a.usd,is it possiable to keep /geo1's transform from a.usd, and use /geo2's material from b.usd?
is there a way to chose any attributes or any objects to override but not everything?
I whish my explanation is clear.for example there are a.usd and b.usd,both have /geo1 and /geo2 objects,they have different transform and materials from a.usd and b.usd.
when I merge b.usd over a.usd,is it possiable to keep /geo1's transform from a.usd, and use /geo2's material from b.usd?
Houdini Lounge » Houdini 20 Rumors
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- luoqiulin
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Has anyone been to the houdini hive conference? Tell us something news about houdini20!
Edited by luoqiulin - April 27, 2023 20:03:03
Houdini Lounge » Houdini 20 Rumors
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- luoqiulin
- 303 posts
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"gpu acceleraction in mind" means everything acceleracted by gpu? viewport, rigging,rendering,simulation,comping?
Houdini Lounge » Houdini 20 Rumors
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- luoqiulin
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N-GI think what you found is renderman's oslbuilder?luoqiulin
an OSL shading node such as Code Snippet is nice.
In material context press the tab and type OSL, you will see a node like a snippet for the OSL.
Isn't it what you want?
Technical Discussion » Align ortho views to construction plane
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- luoqiulin
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do you mean this?
the construction plane can align to a primitive, and the primitive can snap to the c-plane. but I don't find how to align a primitive to the c-plane.
the construction plane can align to a primitive, and the primitive can snap to the c-plane. but I don't find how to align a primitive to the c-plane.
Edited by luoqiulin - Sept. 24, 2022 21:24:18
Solaris and Karma » how to batch modify layer stack value ?
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- luoqiulin
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tamte
Just out of curiosity as I'm still trying to understand USD
what are the downsides of having 1 timesample as in the screenshot?
1 timesample doesn't sound to me like anything time dependent, is it causing performance issues in USD or how does it differ from a single constant value?
Since from a smart system I'd expect it to recognize such case as constant
when I export lights to other dcc, such as katana. the string parameter with timesample can't be renconsized.
Solaris and Karma » how to batch modify layer stack value ?
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- luoqiulin
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Didn't find a good way to batch execute it in VEX.
But you can use timeshift LOP to remove timesample.
timeshift is good enough, thanks!
Solaris and Karma » how to batch modify layer stack value ?
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- luoqiulin
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Hi
here are many lights, and the primvar in layer stack is time dependent, I need change back to "Default value".
how to do it in python or wrangle?
I just need as long as it is time independent.
thank you!
here are many lights, and the primvar in layer stack is time dependent, I need change back to "Default value".
how to do it in python or wrangle?
I just need as long as it is time independent.
thank you!
Edited by luoqiulin - Sept. 15, 2022 11:25:15
Houdini Lounge » Houdini 20 Rumors
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- luoqiulin
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if a scene has tenthousands of lights, now Arnold can render it very very very fast. wish Karma can do it too.
katana's renderboot can save much memory, wish solaris's husk can do better than it.
katana's renderboot can save much memory, wish solaris's husk can do better than it.
Houdini Lounge » Houdini 20 Rumors
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- luoqiulin
- 303 posts
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