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Elistan

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About Elistan

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    Peon

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  • Name
    Elistan
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    France
  1. As I said everything in my pc is in latin, except that I'm really careful to not put any accent
  2. Hi, I've got this error that I cannot get rid of, and it stop me from being able to render any images Error : Failed to save output to file "Traceback (most recent call last): File "C:/PROGRA~1/SIDEEF~1/HOUDIN~1.455/houdini/soho/python3.7/IFD.py", line 555, in <module> forphoton=isphoton) File "C:/PROGRA~1/SIDEEF~1/HOUDIN~1.455/houdini/soho/python3.7\IFDframe.py", line 1620, in render skipobject, skiplight) File "C:/PROGRA~1/SIDEEF~1/HOUDIN~1.455/houdini/soho/python3.7\IFDframe.py", line 1595, in renderObjects skipobject, skiplight) File "C:/PROGRA~1/SIDEEF~1/HOUDIN~1.455/houdini/soho/python3.7\IFDframe.py", line 1471, in outputObjects outputLight(light, now) File "C:/PROGRA~1/SIDEEF~1/HOUDIN~1.455/houdini/soho/python3.7\IFDframe.py", line 1055, in outputLight IFDgeo.getObjectBounds, IFDmisc.xform_mbsamples) File "C:/PROGRA~1/SIDEEF~1/HOUDIN~1.455/houdini/soho/python3.7\SOHOcommon.py", line 134, in getObjectScreenBoundsFull cam_ixforms.append( hou.Matrix4(xform).inverted() ) File "C:/PROGRA~1/SIDEEF~1/HOUDIN~1.455/houdini/python3.7libs\hou.py", line 59292, in inverted return _hou.Matrix4_inverted(self) hou.OperationFailed: The attempted operation failed. ". How can I fix it ? I've tried to unistall, delete all houdini folders on my documents, then reinstall houdini. All my folders are Latin- Syntax only. Has anyone any ideas of what's going on ? I'm on HOUDINI 19.0.455, Windows 10, Intel core i7 - 8750H 2.20GHz Nvidia Quadro P2000
  3. I've seen that it's wood, but as I said I can't understand what's going on, as you didn't explain anything about the math and how your nodes are set. In addition I've never worked with SHOP, so I would love some more details, or maybe a file with this setup, so I can try to understand how you've set it. I'm just searching for a way to use my map as a specular edge, as the classic shader do in the STAGE, but, if possible, with the principled shader in MAT.
  4. Well not that much, I mean missed to say that I've only used the principled shader so far, so this is kind of confusing, but I'll dig into it. Can you explain me more about what is going on and what is used for the edge color ? I'm seeing a lot of math, some noises etc... what is the essence of the specular in this ?
  5. Hi, I can't find a way to get what I can get with a colored specular map in Substance Designer. I'm basically trying to get a fake iridescent effect by coloring my specular map, but in the principled shader, the specular is a float type, so no way to put some colors in there.. In the past I was on Maya with Renderman and there was a specular and an edge color parameter, in wich I was able to put some color, but no parameter is a color in the principled color. I'll put some screenshot of the desired look I want. It's done in Substance designer, with a black diffuse, a normal, a white specular and the colored map in the specular edge color. It'll be used in a movie project for my school so I really hope to get some help , please help !
  6. Hi, I'm searching for a way to apply some motion to a camera that already have a constraint. Just to clarify, my camera have a lookat constraint and I want to apply a "camera shake" after the lookat. I tried to use a noise and add it to my rotation xyz, and it to get applied, but due to the lookat happening just after, it doesn't do anything. Is there a thing that I'm missing or is it just impossible to combine both (wich seams weird to me) and I should animate my camera and recreate the "lookat" effect by hand just so I can apply my noise ? I hope that I'm understandable enough Here is my project setup, The camera is the SCENE_1_Cam_1 with the constraint in it and the noise is in the "motionfx" CHOP Network, in the network box also named "SCENE_1_Cam_1" Animatic.hiplc
  7. Trigger Animation on Event

    Up, no one has a clue on how to do it ?
  8. Hi, I wonder if it is possible to trigger an animation on an event. Let's say I have a sphere, I simulate it falling on the ground just using a Dopnet and a ground plane as a static object. And let's say I want to play an animation each time the sphere touch the ground, like waves on some water. How can I do it ? I've heard of RBD Impact Analysis, but I can't find how to use the generated points for something like it ? Can someone help me ? And can I have an example file ? I link an example of wave that I want to trigger when the sphere touch the ground Sound_Wave_v001.hip
  9. Attribute Wrangle Variable Return

    I'm so sorry I have a last question... I finally made a code that work, but I have still the problem that when I plug my wrangle in my group range, when I put "@myAttribute", it say "Warning Local variable 'groupRangeFilter' not found." Even thought it's showing underneath on the point attribute ...
  10. Attribute Wrangle Variable Return

    Thanks ! But I can find out how to use attributes... As I said I'm not a beginner... What am I doing wrong ? How can I fix this ?
  11. Hi, I'm trying to do a Sierpinski pyramid. So I quickly made a pyramid, copied this pyramid to it's 5 outers point. At this point I thought "why not make a loop", but here comes my first problem. I needed to select only the outer points, no matter how many iterations I put. So I've made an group range. But this group range has to be updated each iterations, because the "selecttotal1" will change depending on how many point is on the geo. I've made a quick code in an attribute wrangler to retreive this value, using the repeat_end's iterations. But now I can't find a way to use my variable as a parameter for my group range. Is there a way to output a variable in an attribute wrangler so I can use it on another node as a parameter ? If so can someone explain me ? (I'm not that good in code btw so I would be kind of you to explain what does a potential code work )
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