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Topics - Designerman77

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Hey Corona dev. team,

today I finally installed V6. Following major bugs observed:

1. AI-denoising pernmanently crashes.
2. Round edges-bump map does not have any effect.

Any suggestions, how to get it running?

V6 seems to render interiors much faster than V5 - and I do want to benefit from this.

Thanks in advance for tips how to fix those two bugs.

Update: uninstalled & re-installed.
Now getting this damaged images after de-noising with AI denoiser (see attachment).

C4D version: 21.207
OS Catalina 10.15.2
Mac Pro 2019 - 16 cores, 3,2 gHz

[C4D] Bug Reporting / Team Render - cannot read UHD
« on: 2020-09-11, 01:31:51 »
Hi Guys @ Corona-team,

when firing up the C4D Team Render, the saved UHD cache gets an error message on the client computer. ( Error: cannot read/write UHD cache )
Already tried the "TR over web server"-method.
When "double-checking" the render process by looking at the team render client on the "host-computer" (where the scene is open ), I see the same error message in the log file.

Tried to copy the UHD-file into the folder where the TR-assets are located - in all kind of folders. No luck...

The thing is: rendering this scene without saved UHD cache creates very ugly flickering splotches in areas like corners, etc.
Otherwise I would dump that whole UHD thing.

Any suggestions how to make the TR client find & read that frickin UHD cache????

What for do we have TR and multiple computers for render farms, if such basic issues occur?

And... as other users already complained: we get fancy new features in the new release, while important basics still cause major bugs.
Pretty disappointed right now, guys... and thankful for any suggestion that might work.

About this Forum / Forum topics - not visible on home page
« on: 2020-08-13, 00:44:47 »
Hey guys,

the latest forum topics are not visible on the Corona starting page anymore - like it used to be before.
At least not on Safari browser.
On other browsers I haven't tried it yet.

[C4D] Bug Reporting / Animation - losing frames
« on: 2020-08-09, 13:13:46 »
Hey guys out there.

Anyone experienced losing a bunch of frames during animations?

From 200 frames, this morning 106 were simply gone. No chance to recover them.

Pretty angry!

[C4D] Bug Reporting / Animations - VFB-curves switch off
« on: 2020-07-15, 18:55:48 »
Hi there,

does anyone know why in animations, curves in the VFB are deactivated every time a new frame is calculated?

If switched on after the animation finishes, the curves neither do seem to apply to the whole movie / all renders.

Of course one can add curves in post but I'd like them to stay active during the animation in Corona.

Thanks in advance for any tip.

[C4D] General Discussion / Proxies
« on: 2020-07-10, 01:45:23 »
I saw that the topic is old... but any chance that the Corona Proxy is going to respect the multiple materials of an object?

I`m working on a very heavy scene with lots of buildings that slow down my C4D-viewport even on a very fast machine.
So I hoped that proxies would help in this case...

[C4D] I need help! / VFB LightMix
« on: 2020-05-02, 20:26:32 »
Hey guys at Corona,

I wanted to use the LightMix / Multipass and this is how my image looks when LightMix is selected after render.

While rendering, everything looks & works as expected... one can toggle in the lights and the VFB shows it correctly.
But as soon as the render is finished, this strange image is what I see, except on the beauty channel, albedo, etc.

EDIT: oops... found out what it is. Lights are not allowed to be switched off in the scene.
If you switch them on in the light mix, then the strange stuff like in the attached image happens.

Corona 4.0
OSX 10.13.6
iMac Pro Xeon 8core

Hey guys, I don't know if this topic has been discussed yet.

I notice a much slower IR when using the "on board" Corona light system.

HDRs result in a min. 2X faster IR performance.
Same with environment override.

Any logical reason for this?

[C4D] I need help! / C4D - much noise
« on: 2020-04-21, 11:18:37 »
Hey guys at Corona,

I have a scene that - in my opinion - shows up way too much noise, even at noise level 3.

In other scenes I experienced much less noise at the same or even bigger resolution.
Any idea what could be the problem?
Scene materials are more-less the same as always, nothing crazy reflecting or so.

Tried to exclude possible candidates that could cause the noise: windows glass, portals, change wall material, empty the scene, etc...

With portals, the scene has even more noise !

Also: please notice the weird "ray switching" on the upper wall section when portals are added.
I had already reported that to you guys over a year ago!
Would be great to finally get rid of this problem which makes portals unusable with HDRs.

I gladly attach the complete scene if you send me a link for it.

Thanks in advance

C4D - Hair object.

Hey everyone @ Corona!

Yesterday I tried to apply a C4D hair object and make the hairs get the color of the texture of the surface the hair "grows" on... like a cow fur pattern.
Could it be that Corona does not support that native C4D function (applying texture to hair roots changes hair color) ???

[C4D] Bug Reporting / Direct Visibility Override
« on: 2020-02-14, 21:21:39 »
Hi developers.

In C4D, every time when I switch on DOF in there camera, the background generated from Direct Visibility Override gets totally blurred out, unless you set the F-Stop to a super high number.

Sorry, if this topic maybe already exists somewhere.

Does this issue in Corona 5 still exist?
I have not updated yet fron 4 to 5.

[C4D] Bug Reporting / UV Randomizer - Bug C4D Beta
« on: 2019-06-09, 19:05:54 »
Hi Corona developers,

today I noticed that when UV-randomizer is used, the patterns change every time when a new object is added to the scene, or if you simply make an object invisible in the renderer.

Tried dialing in all the settings of the UV-Randomizer... no change.
Patterns/Maps are still changing all the time.

Quite annoying for example in arch-viz scenes, when your gloss-map on a metal roof changes every time when you add new objects.
Not to mention floor patterns...

Any suggestions how to fix it?


P.S. ALL materials (different ones) which have UV random. change in the scene, as soon as you add or erase any object.


[C4D] General Discussion / Team Render
« on: 2019-05-21, 18:43:50 »
Hi Corona team,

is there anywhere a really good tutorial, how to install Team Render?
In my case between two Macs...

Specifically how to make the computers communicate with eachother.
Is it done over LAN or WLAN, or simply by directly connecting them with a lightning cable or whatever?

Sorry for such maybe stupid question...

The software side I understood... but didn’t really find clear info about the network part.

Hi Corona team,

What do you think about applying stronger calculation power to shadow areas and edges of high contrast?

I noticed that most of the noise and fireflies occur in shadow areas.

And very often one has to render longer, just because of poor antialiasing on edges with strong contrast.

The rest of the scenes are already clean much earlier.

Quite frustrating to accept long render times just because of antialiasing and noisy shadows.

Instead of less denoising on bump maps (core 3), I suggest a stronger & intelligent calculation on those two mentioned areas.

[C4D] Bug Reporting / Daily Build C4D
« on: 2019-05-11, 18:51:14 »
Hi Guys at Corona,

any idea why in the Core 4 daily build for C4D OSX, certain areas appear pretty much blurry?
Even when no denoising is used.

I played around with the camera... aperture, focus point... almost no difference.
It also makes no difference, if I double the number of passes !

Some areas, which are orthogonal to the camera appear to be a bit sharper / with more detail.

Please check out the image attached.

Any suggestions, what I might do wrong in Core 4 Beta?


P.S.    ... Also what the heck is this "bi-color" GI / rounded edge and the strange structure on the wall? 
             It happens when the HDR- Sun shines directly into the room One has to turn the HDR by approx. 90° in order to make it vanish.
             In former versions e.g Core 1.7 , this strange behavior NEVER occurred. GI lighting & light distribution was uniform.
             To me this is also clearly a bug !

             Honestly, Core 1.7 was the best Corona... unfortunately it doesn't work wir C4D R20... otherwise I would not use 4 Beta.

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