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Messages - Jens

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46
General CG Discussion / Re: Object library ?
« on: 2021-08-09, 12:38:55 »
I usually go to https://3dsky.org/ when I need something specific. Think it's around 6€ pr model. Quality is usually pretty high.

47
Hi, I'm not able to submit bug report via web. Captcha fails for some reason, so posting here:

I'm running a brand new install on a laptop. I've installed daily build 7 rc3 and now I just installed vray adv 510003 to convert a vray model (attached via private uploader) I need in my scene.

Bug happens both when I merge this model into my current scene, but also if I just open the model file directly and try from there.

Steps to reproduce (for me):

Open scene. Select entire model. Run corona converter on seletec objects. Open material editor (slate). Now bug happens. Keyboard stops working. Soon after max crashes without any error. I couldn't even find the .dmp file?

Can you reproduce this?

Hmm okay, so it's actually not that file. It's on every max scene I open now after having installed vray! I have had some similar bugs on my main workstation like this too some time ago and had to install pre v.5 of vray in order to have it be stable.

48
Hi, I'm not able to submit bug report via web. Captcha fails for some reason, so posting here:

I'm running a brand new install on a laptop. I've installed daily build 7 rc3 and now I just installed vray adv 510003 to convert a vray model (attached via private uploader) I need in my scene.

Bug happens both when I merge this model into my current scene, but also if I just open the model file directly and try from there.

Steps to reproduce (for me):

Open scene. Select entire model. Run corona converter on seletec objects. Open material editor (slate). Now bug happens. Keyboard stops working. Soon after max crashes without any error. I couldn't even find the .dmp file?

Can you reproduce this?

49
I still find it annoying I have to install vray to convert materials to corona. Would it be possible for the corona installer to provide the needed files for this now it's all the same company? Max UI is bloated enough as is, I don't need or want to see extra vray features on right click menus, modifiers etc. :)

50
*just to ping you*

Georgi, is there a way to increase sub sampling of an plane with the oceantex map as vector displacement in Corona? In phoenix sim, you can do it under the rendering tab, but for one of my shots, I have to use just a normal plane and I'm getting some "glitches" in the ocean with suddenly a long wave appearing for 1 frame and then it goes away again. Happens every now and again. So I'm thinking it might be due to some setting in the oceantex as rest of animation is fine.

51
ah sorry, yes:

Render is corona 6.0 hotfix 1 (latest stable), max 2020.
I have tried to render just a single still, a sequence, having the time slider set to frame 200, tried with setting the scene time frame to start from 200, motion blur not enabled. I'm 99% sure it's a vray thing again as I tried to load the same scene in max 2021. Same result, but when I uninstalled vray5 on max 2021 it renders without that crash.

After Easter I will try to setup scenes and reproduce these crashes if I have time. We are reinstalling everything from scratch in those days. My deadline is tomorrow, so I just wanted to hear if I maybe had missed a setting. For now I'm uploading to the 3rd party cloud farm we are using and I'm hoping it won't crash there (as it in some way works on max 2021 without vray5 so I just think something is corrupt on my end). Generally speaking having vray5 installed (not using it, but just having it installed as I thought it was needed for phoenix), has given a lot of weird bugs and crashes. Some I have posted last week via your helpdesk.

52
I'm afraid that matching the waves in the simulator to the displacement outside is still not possible. It is in our to do list though, so will add your vote for it as well.

As for the different materials - what should happen at the border of the simulator, how would the two shaders blend?

hmm good question, I'm sure you have some amazing devs who can think of something :) Maybe along the lines of your cascade function or if one could maybe link two oceantex together, it could "know" where the sim grid ended, read the waveobject data/cache from that and somehow do a blend of those two? I have no idea what is possible.

I "solved" it by just rendering from a bit lower fixed angle, having the sim only output a cap mesh and the I placed a large plane behind the sim (towards the horizon) with it's own oceantex displacement that I tweaked to match the look of the stormy waves in the foreground.

I have simulated 600frames and I'm at 300gigs now, I probably only need the last 300-400frames, so I tried to remove frame cache 1-199 from the sim folder so I wouldn't have to upload it all to the farm, but if I do that, max crashes on render start. Should I or can I do it differently?

53
I managed to get close to the result i wanted after a lot of trial and error (and a 12h sim). Man, I need more drive space for this stuff! :)

Georgi, is it possible to drive the phoenix ocean independently of the sim "grid" itself? Right now I have great "stormy waves" simulated in the grid in the foreground, but the surrounding ocean in the background looks rather calm. I tried making a specific oceantex map to drive the Waveobject and a different one for the displacement put under the "render" tab in the sim, but that last one will still affect the simmed stormy waves and mess that up. 

Would be great if I could have a different layered material for the background water (displacement driven by its own oceantex + foam with the foamtex) and then just a normal water shader for the simmed waves in foreground with foam driven by the sim splashes etc.

54
Thanks a lot for the help, unfortunately we can't reproduce the crash on our side and the dump shows that the crash is somewhere outside the phoenix code.

It might be a hardware issue (a few of our users have reported crashes that turned out to be faulty RAM). If possible can you run a memory test on your machine so we can rule this out?

I tried with the windows built in memtest this morning (you could have warned me it would take many hours haha), but I worked on a different computer meanwhile. Interesting enough, I installed latest stable vray5 on that (the one released yesterday), and phoenix. Also on max2020. Simulator on that computer runs much better (it's an intel xeon). Only thing is, that if I opened the material editor, max would crash. It would happen even on an empty scene. This is first time it happens on that PC like that, so I suspected it was vray or phoenix. I uninstalled vray and voila, no crash anymore and phoenix would still run great - I thought I had to have vray5 installed for phoenix to work?

Anyway, last time I checked the memtest on the other computer it had reached 98% with no error found, so I switched back to my other PC (using same monitor). When I switched back later, the memtest screen was just black. I gave it a couple of hours, but still just black screen. So I rebooted it and tried to find the memtest log. I can only see a log of me starting the memtest, but no log of the result? Should I use a different method or does this in itself indicate mem failure on the last 2% of the test? (see screenshot)


55
ah, what a shame. Ok, I'll give memtest a try and report back asap.

56
Sure: 4.30.00, Build ID: 20200912

log attached. (i had to reopen max to check version, but was easy to make it crash again haha). Here is the new .dmp file for that crash so it "matches" the phoenix log: https://we.tl/t-iL0nvwZS80

Thanks for the quick replies. Its much appreciated.

57
Cheers Georgi

Please take a look at the 2min video clip I just did: https://we.tl/t-alavxee56z

This or some version of a that type of crash happens 8 out of 10 times to me and it's both with max 2020 with "old" phoenix and vray5 builds and in brand new installed max 2021 with the latest nightly vray and phoenix. So it's very frustrating and time consuming trying to set up a sim.

I open a brand new scene. Scene and system units in meters. Corona 6 as active render (exact same result with vray5 as active render btw)
Create phoenix sim.
Add oceantex (no changes to it) as displacement in sim.
hit play and it goes okay.

If I then just click around a little in the sim and try to sim again. Nothing happens and it will crash. minidump download link: https://we.tl/t-LjvfJXj4SN

(i used the windows gaming record thing, so sorry you can't see the material window or the crash. But it only records the main max window for some reason).

58
Subscribing to thread. Every time I trialed Phoenix I realized I am dumb and it never worked how I wanted. Plus crashes, yes.

haha yes, the tutorials mostly looks pretty straight forward, but when I try and copy them step by step, results are not the same at all and trying to find out the correlation between settings is crazy. At least when you are working with a deadline. Also the sample scenes on their site doesn't work out of the box when I try them out. Maybe it's a corona thing too...

59
Thanks George

Scene units is in Meters and scene is build to scale. I have tried with a sim that covered the entire island, but got weird results. Water would still be generated inside the island volume and interaction was odd. Plus it takes a long time to sim (sadly my 3990x is not great for the sim, but more the render time.

I have tried to make a copy of the island geometry and made sure it was a solid object. Then added that to the include list. But that doesn’t do anything. Then the sim is not interacting with anything at all when I use the include/exclude list. And yes, I’m sure it was the include and not exclude list :)

I’m also getting so many crashes it’s crazy. Even without running the sim or rendering. As soon as a Phoenix sim is present in the scene, it doesn’t take long until Max’s UI bugs out (properties of objects and materials suddenly only show the “category tabs” but not the elements in each category. Be it the sim, an editable poly, material’s settings etc. See screenshot. First attachment shows the bug is "about to happen" as some of the dropdowns now won't do anything. If I then deselect the sim and select it again, it duplicates some of the categories (see attachment 2). Soon after a crash will happen.  (Max 2020, Vray 5 and Phoenix 4.0005 I think) the latest stable Phoenix releases makes it crash even without the sim.

I have watched the big wave tutorial many times and tried to install the nightly vray5 and Phoenix for max2021, it works okay, but also the occasional crash, problem here is I need to use a cloud farm to render the project and then I don’t think it will work with the nightlies right?

60
Hi guys

I'm doing a very large scale project of an artificial island in a stormy sea. There will be several fly over animations and so far I'm doing okay with using a trial of phoenix fd and the ocean tex shader in corona. But I can't post on their forum regarding help since it's only a trial. Hence I post here hoping there's some experts who can give me a few pointers :) This is the first time I try Phoenix, so it's a bit overwhelming.

Basically when I get close to the island in the animation I want waves crashing against the concrete walls. Waves out here are huge and the walls around the island range from 20-30m high. Whole island is around 700m x 700m. So creating one big phoenix sim is not really possible (or is it?).

I finally found an okay setup after many trials (and crashes), but then the sim is "only" a 100x300x30m container. That's fine for 1/8th of the walls (island is octagon shape). So my thinking is, if it's possible to copy this sim container as an instance all around the island walls and have them maybe offset a little in frames so they blend?

Or how would you approach this so they blend okay together and also with the surrounding sea? I tried with "pure ocean" turned on and adaptive grid size, but there still seems to be an obvious "cut-off".

Bonus question: I'm doing the wave sim in a separate instance of max, is there any thing to be aware of in regards to xref'ing that into the main scene?

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