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Technical Discussion » fbx import messed up
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- swikarp
- 18 posts
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Technical Discussion » fbx import messed up
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- swikarp
- 18 posts
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Hey folks,
Basically I animated 120 frames in blender , baked the animation, I have just two objects ( character and bones ) . When I export as fbx and import in houdini, the animation is all messed up. Really need your help.
Basically I animated 120 frames in blender , baked the animation, I have just two objects ( character and bones ) . When I export as fbx and import in houdini, the animation is all messed up. Really need your help.
Edited by swikarp - 2025年3月5日 09:13:57
Technical Discussion » Why tetrahedrons in Houdini FEM simulations ?
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- swikarp
- 18 posts
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Hey folks,
Why tetrahedrons are used in simulation, why not just triangles or other shapes ? I get the idea that it's faster and efficient but how ? How are tetrahedrons faster in computation, preserve local volume and local rigidity. Can someone please explain to me ?
Thanks
Why tetrahedrons are used in simulation, why not just triangles or other shapes ? I get the idea that it's faster and efficient but how ? How are tetrahedrons faster in computation, preserve local volume and local rigidity. Can someone please explain to me ?
Thanks
Houdini Indie and Apprentice » Motion Capture Data Camera
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- swikarp
- 18 posts
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Houdini Indie and Apprentice » Motion Capture Data Camera
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- swikarp
- 18 posts
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oh, now I get it. Precision is the factor that's playing a huge role.
If someone makes a device preicse enough and easy to mount on camera, that would be revolutionary in the industry.
Maybe I should give it a try
( I wish I was a robotics engineer
)
Anyway, thanks CYTE for the info !
If someone makes a device preicse enough and easy to mount on camera, that would be revolutionary in the industry.
Maybe I should give it a try


Anyway, thanks CYTE for the info !
Edited by swikarp - 2025年2月9日 06:55:21
Houdini Indie and Apprentice » Motion Capture Data Camera
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- swikarp
- 18 posts
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hey folks,
I am extremely sorry if you found this question completely unrelated to this forum. But I am gonna ask anyway, why don't production house use camera that itself captures the motion data, instead of tracking the camera motion in post, why don't we record the camera motion on a shooting day itself ? Motion sensor doesn't cost much, and can be integrated easily into camera.
I am extremely sorry if you found this question completely unrelated to this forum. But I am gonna ask anyway, why don't production house use camera that itself captures the motion data, instead of tracking the camera motion in post, why don't we record the camera motion on a shooting day itself ? Motion sensor doesn't cost much, and can be integrated easily into camera.
Technical Discussion » pyopenvdb win64
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- swikarp
- 18 posts
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I am exactly stuck at importing pyopenvdb for windows. Has anyone found the solution to work around with pyopenvdb in windows yet ?
Desperate to hear the answer folks.
Desperate to hear the answer folks.
Technical Discussion » Attribute is not controlling the wind as expected.
Technical Discussion » Attribute is not controlling the wind as expected.
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- swikarp
- 18 posts
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Hi folks,
I want to control wind based on my 'activate' point attribute. 'activate' attribute is set to value 1 over time along y-axis.
I have set up simple vellum grain. And I have turned of the gravity on sop level in vellum solver. Inside the vellum solver, I have pop wind where I set the value to " -9.8 " and I have used the vex expression " wind.y = f@activate " . But it doesn't seem to work rather vellum grains are floating. How do I get the wind controlled by my 'activate' attribute ?
Thanks in advance
I want to control wind based on my 'activate' point attribute. 'activate' attribute is set to value 1 over time along y-axis.
I have set up simple vellum grain. And I have turned of the gravity on sop level in vellum solver. Inside the vellum solver, I have pop wind where I set the value to " -9.8 " and I have used the vex expression " wind.y = f@activate " . But it doesn't seem to work rather vellum grains are floating. How do I get the wind controlled by my 'activate' attribute ?
Thanks in advance
Technical Discussion » Weird Artifacts Vellum
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- swikarp
- 18 posts
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Hey Enivob,
I am a total begineer, I am controlling restlengthscale inside the solver, can you please help me in layman way. Thanks
I am a total begineer, I am controlling restlengthscale inside the solver, can you please help me in layman way. Thanks

Technical Discussion » Weird Artifacts Vellum
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- swikarp
- 18 posts
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Hi folks,
I got this weird artifacts, balloons sticking to each other and to the colliding geometry even when new points are way far than each other to be intersecting. I really need your guys help.
I got this weird artifacts, balloons sticking to each other and to the colliding geometry even when new points are way far than each other to be intersecting. I really need your guys help.
Technical Discussion » Trail Node is producing weird edges
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- swikarp
- 18 posts
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Hey Foks,
I got the shortest way to solve the issue. Basically trail node joins the point based on point numbers and we don't have any option to change it based on 'id' attribute. So first create a trail node then set to default 'preserve original' then add 'add' node and set 'by attribute ' under 'group' section then set the attribute to 'id' which was created by pop network. Pop network create 'id' attribute which do not change even after points die unlike point number that gets shuffled after any point dies. Hope that helps
I got the shortest way to solve the issue. Basically trail node joins the point based on point numbers and we don't have any option to change it based on 'id' attribute. So first create a trail node then set to default 'preserve original' then add 'add' node and set 'by attribute ' under 'group' section then set the attribute to 'id' which was created by pop network. Pop network create 'id' attribute which do not change even after points die unlike point number that gets shuffled after any point dies. Hope that helps
Edited by swikarp - 2024年8月26日 02:07:28
Technical Discussion » Trail Node is producing weird edges
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- swikarp
- 18 posts
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Yes it has got all attributes id, life, age and all. But after the point die, they have different 'id' than their point number which is creating edges but how do I fix it ?
I tried deleting the points at the time when they are dying but it didn't solve the problem.
I tried deleting the points at the time when they are dying but it didn't solve the problem.
Technical Discussion » Trail Node is producing weird edges
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- swikarp
- 18 posts
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Hey Folks,
I can't figure out what's wrong with my trail node. If I use built in particle-trail node then my effect seems to work but I want to do it with trail node, It is giving me connected weird edges, Help
I can't figure out what's wrong with my trail node. If I use built in particle-trail node then my effect seems to work but I want to do it with trail node, It is giving me connected weird edges, Help

Houdini Indie and Apprentice » Folks, what if we have a camera that can sense depth map ?
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- swikarp
- 18 posts
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It might not be the correct place to discuss this idea but anyway.
What if we have a camera that can sense depth and output depth data in alpha values. If that happens rotoscoping will be much easier, produciton will be faster. Folks, what's stopping the industry from inventing this sort of hardwares ? I really want to know your thoughts on this ?
P.S : apology to those folks who found this completely irrelevant in this forum
What if we have a camera that can sense depth and output depth data in alpha values. If that happens rotoscoping will be much easier, produciton will be faster. Folks, what's stopping the industry from inventing this sort of hardwares ? I really want to know your thoughts on this ?
P.S : apology to those folks who found this completely irrelevant in this forum
Houdini Indie and Apprentice » Job situation for international artists
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- swikarp
- 18 posts
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Houdini Indie and Apprentice » Job situation for international artists
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- swikarp
- 18 posts
- Offline
Hi everyone,
This is Swikar ( www.swikarp.com.np ) from rural country, Nepal. I am heavily passionate and dedicated toward learning houdini. I am just 18 years old and I have decided to do undergraduate in software engineering as I find myself enjoying technical part of houdini.
My question is :
1. Will vfx studio pay for visa fees and do legal processes to hire someone who is from rural country but has a enormous amount of knowledge in houdini.
2. I am really frustated now cause I have completed my high school in computer science , now I want to pursue my career in visual effects in top studios but I don't have capital to afford art and film schools ( for networking to get into big studios ).
3. Will I be able to switch into artistic part of production with technical degree ?
4. Also if someone knows, can I do diploma in Vancouver Film School or any other school after my graduation ?
Thanks in advance.
This is Swikar ( www.swikarp.com.np ) from rural country, Nepal. I am heavily passionate and dedicated toward learning houdini. I am just 18 years old and I have decided to do undergraduate in software engineering as I find myself enjoying technical part of houdini.
My question is :
1. Will vfx studio pay for visa fees and do legal processes to hire someone who is from rural country but has a enormous amount of knowledge in houdini.
2. I am really frustated now cause I have completed my high school in computer science , now I want to pursue my career in visual effects in top studios but I don't have capital to afford art and film schools ( for networking to get into big studios ).
3. Will I be able to switch into artistic part of production with technical degree ?
4. Also if someone knows, can I do diploma in Vancouver Film School or any other school after my graduation ?
Thanks in advance.
Technical Discussion » Hello guys what is the use of 3rd coordinate in uv attribute
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- swikarp
- 18 posts
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As uv attribute is texture coordinate assigned to each vertex . What is the point of 3rd coordinate in uv attribute ? Is it something like width or scale ? then how does that scale value works ? somebody help me out
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