Chaos Corona Forum
Chaos Corona for 3ds Max => [Max] Bug Reporting => [Max] Resolved Bugs => Topic started by: Daskydesign on 2017-10-26, 09:06:59
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HAIR AND FUR STILL NOT WORKING IN CORONA 1.7 DR
Slaves not read .stat files.
Does Corona's team think that this is not a serious problem?
because none of them responded about this problem.
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Thank you for this report, and sorry if we haven't replied before.
We are aware of this issue and it will be fixed.
Just one note - in the screenshot, the .stat file is under "outputs". Doesn't this mean that it's only information where the file should be saved, and not where it should be loaded from?
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I don't know why is signed as "output" but main WS read it well.
There's another user in this thread https://forum.corona-renderer.com/index.php?topic=17846.0
that test it with same problem. :/
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I did some tests yesterday, it certainly does happen. For me it seemed like it didn't matter whether the files were on a networked drive, or copied to an exact path on the slave machine, the slave still didn't use the files with DR.
I started trying to test with Backburner and rendering in strips but didn't manage to complete that test - have you been able to test that as a workaround for rendering a single image using multiple machines? I also did not test Backburner rendering out an animation yet (each machine working on its own frame), does the problem occur there too do you know?
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With BB (a single animation frame for every node) it works =)
It's only DR problem. The node doens't read the .stat file.
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Good to know, ty! Also gives a means to render an animation at the moment (if saving stat files most likely it's an animation that is being rendered rather than a still frame anyway, and in general BB or other networking solution is better to use for animations than DR, DR best used for getting multiple machines to work on one still image).
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Okay. None of the Corona Team gave a concrete answer. The bug will be correct? .. and when?.......................................
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Okay. None of the Corona Team gave a concrete answer. The bug will be correct? .. and when?.......................................
Of course it will be fixed, and it is at very high priority for us.
Right now it is reported and acknowledged, and the dev team is looking into this. Once any news are available, we will share them with you. Sorry for the slow communication, but currently there is a lot of work after the release, and also it is possible that this issue is not something we will be able to fix in 1 day or 1 week.
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any news about this problem?
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Are you ignoring me? (Corona Team)
Because you just got my monthly subscription money today.
For a product that does not really work well.
So I would at least know if you are going to fix it and a timeline / deadline for this.
Thank you.
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Nobody is ignoring anyone.
As I wrote earlier. This issue is acknowledged. Most probably this is an Autodesk problem, but we are looking into this to make sure. Wherever the issue is located, we will look for a way to fix this.
Unfortunately some bugs/issues may take more than one day, one month, or even one year to fix, depending on many things - complexity of the bug, additional steps required (e.g. contacting 3rd party), other high priority tasks that need to be finished first, ...
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A quick question - are you able to get this working with, say, Mental Ray and Backburner? I just tested here in a very simple scene, created the .stat files to bake the animation, rendered using Mental Ray and Backburner, and the render nodes acted as if the hair was non-animated, they did not use the .stat files. This was "one frame to one machine" and not strip rendering (multiple machines working on the same file).
Would be interested to know if you have this working with any other render engine, and if any special steps are required to get that set up (such as, the .stat files must be on a network drive or something?)
I also tested with Corona and Backburner, but of course same result, the frames did not show any result from the baked animation from the nodes.
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Okay, I ask a colleague who uses Vray to test it. ;)
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A quick question - are you able to get this working with, say, Mental Ray and Backburner? I just tested here in a very simple scene, created the .stat files to bake the animation, rendered using Mental Ray and Backburner, and the render nodes acted as if the hair was non-animated, they did not use the .stat files. This was "one frame to one machine" and not strip rendering (multiple machines working on the same file).
Would be interested to know if you have this working with any other render engine, and if any special steps are required to get that set up (such as, the .stat files must be on a network drive or something?)
I also tested with Corona and Backburner, but of course same result, the frames did not show any result from the baked animation from the nodes.
Okay,
I sent a test scene to a colleague using Vray.
The result (using 2 WS with DR spawner) is that it works correctly.
Vray and 3ds correctly read the .stat files shared for Hair and Fur animations. (as you can see in the screen he sent me - Ws1 and Ws2 the same result)
Now it is 100% sure that it is a Corona DR error. ;)
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And a Mental Ray, Max and Backburner error too :)
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If it works in Vray, it should soon work in Corona too!
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And a Mental Ray, Max and Backburner error too :)
I'don't know this....but in Vray it work!
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If it works in Vray, it should soon work in Corona too!
I hope..otherwise what would be the benefits of the merger between Chaos group and Render Legion. :)))))
But please can you update on the progress of this fix problem?
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I think I find solution for this problem..
I'm doing some tests to be sure .. I'll update you.
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Fixed. It should be released in daily build soon.
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Are there plans to release this as a hotfix, since it's basically a bugfix?
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Are there plans to release this as a hotfix, since it's basically a bugfix?
The way this works is that other programmers will review the fix, evaluate potential risks of the changes containing another but or breaking something else in other way, and based on that we will make decision whether to include this in hotfix or daily builds
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Is this fix also related to materials problem with hair and fur or only working od DR ?
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Is this fix also related to materials problem with hair and fur or only working od DR ?
What material problem do you man exactly?
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I mean texture mapping, in 1.6 it was working but in 1.7 not. If base mesh have texture, H&F is white also how to setup transluency when material is not applied ? (Yes you can use Root and Tip color(texture) but it is not the same )
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I mean texture mapping, in 1.6 it was working but in 1.7 not. If base mesh have texture, H&F is white also how to setup transluency when material is not applied ? (Yes you can use Root and Tip color(texture) but it is not the same )
Apply hair and fur > go to "custom shader" rollout (I think in older versions of Max it's "mr shader") > drag and drop your material into the "apply shader" slot. This way you can apply our hair shader, and you can further play with mapping.
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Thanks maru but definitely hair and fur is not working so good like in 1.6, it is broken in 1.7. If i need carpet with nice texture on it with little transluency I cant get it to work. Maybe I am too stupid to set it up or maybe corona could admit a bug.
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Thanks maru but definitely hair and fur is not working so good like in 1.6, it is broken in 1.7. If i need carpet with nice texture on it with little transluency I cant get it to work. Maybe I am too stupid to set it up or maybe corona could admit a bug.
First we would need a better description of the issue. What exactly is happening? What was the result, and how was it set up in 1.6? What is the result now, and how is it set up? What is expected?
One thing that I can tell you for sure is that in 1.6 the native 3ds Max Hair and Fur modifier would render as regular geometry. Now in 1.7 hair is rendered as planar or tubular strands. If you do not want your hair strands to be rendered flat, you can apply a CoronaHairMod modifier to your hair and fur object and uncheck "render as planes". This will however often come with much slower rendering and just a little quality gain.
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We have just released Corona Renderer 1.7 Hotfix 1: https://corona-renderer.com/download/
It contains some important DR fixes, including correct hair rendering, so please download and install it.
Please make sure that Corona Renderer 1.7 Hotfix 1 is installed on all computers, and that DR server 1.7 Hotfix 1 is running on all of the slaves.
If the issue will remain after installing this version, please contact us, and we will continue looking for a solution.