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Topics - wardy_mk

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[C4D] I need help! / Shadowcatcher
« on: 2024-01-31, 14:27:30 »
Hello. I'm trying to work with the shadowcatcher material but my shadows are coming out grainy. I've tried fiddling with pretty much every setting I can see. If I render the scene onto a white 'floor' the shadows look absolutely fine. If I use a shadowcatcher then the shadows are very grainy.

Are there any settings I can play with that'll sort this? I have three Corona lights in the scene.

See attached image for two renders. One directly onto white. The other a shadowcatcher material, then with white behind it (in photoshop)
Any help massively appreciated...

[C4D] I need help! / DECALS and Instances
« on: 2024-01-18, 18:57:04 »
I often create a design concept where I have to show various views of the same item. I will usually create an instance of the object, move and rotate it etc.
Usually when I create the instance - the decal will just go missing. Won't feature on the render.
Can anyone shed any light on this? Is it a glitch/bug?
Any workarounds?
Thanks in advance!

Hi All.
Been given a job where someone's dropped a 'standard' 3D model (with textures) into a Corona scene for me to carry out some amends on. However, all the textures are in 'standard' format and render out very dull.
Is there a way to quickly convert them all to Corona? There's nothing special or anything in there like volumetrics etc.
Surely there's a 'convert to Corona' button somewhere?

Hi everyone.
We have to churn out a lot of renders here. Are there any tips you people can suggest to help me and my colleagues speed things up at all? Materials / Render settings etc? Other than going out and buying new computers of course...
Any suggestions would be greatly appreciated.
Thanks in advance

Hello. I work in retail display design. Basically, for a shop to allow something to go into it, they need to see what it looks like - this is where I come in.
I would like to create a generic 'white room' in which to drop my concepts and 'just set it off rendering' so to speak.
I've been trying for a while but just can't seem to get it just right. I would prefer it to have good lighting without me having to move specific lights when I move the camera ideally. Also, a lot of the concepts we do are based on white materials so it's going to be tricky there too.
Does anyone have a link to a tutorial or any general tips on doing this please? Or even a link so something I can download and tweak...?

Any tips/advice/links/suggestions greatly appeciated...!

See attachment for the kind of thing we're after...

[C4D] I need help! / Help me please on a displacement!
« on: 2023-09-14, 14:25:51 »
I have an aftershave bottle here. It's glass. It needs a logo displacement map on the front.
I'd usually get the glass material on there. Then create a new material with just the displacement activated and drop that on - then click the 'add material' box to incorporate it as a displaced (raised) logo.

How is this done in Corona?
I've tried the same method but with Corona materials and I'm getting strange results.  See attachment.

Thanks in advance folks.

[C4D] I need help! / Happing a logo onto an object
« on: 2023-08-24, 15:07:52 »
Hello. Not sure what's going on here but I can't seem to map this logo onto an object. I've tried everthing yet nothing happens. Can someone please help!
Screenshots below...
Please help!!!!

I have a Mac Studio running an M1 Ultra. I've been doing all my work on that as of late. However I have a fairly powerful ThreadRipper based PC sitting on my desk doing nothing at the moment so I thought I'd set up Team Render on that to help out in busy times.
So, I installed it on the PC and updated all the software (C4D and Corona) to the latest versions etc.
Got myself a scene that takes 3:45 to render on my Mac.
I opened it directly on the PC to see how quickly it rendered. Was about the same time, give or take 5 seconds.
So, I opened it again on my Mac and team rendered it. It took a fair bit longer.
I assume this is because assets are transferring across, etc, etc.?
This being the case, are there any things I can do to speed it up?
Is it just better in single frame circumstances to do single frame renders on a single machine?
If you do have suggestions for speeding up team renders please let me know!

[C4D] I need help! / Fog in Scenes
« on: 2023-08-10, 10:39:33 »
Hello. Just trying to teach myself a few things here. I'm trying to achieve a 'fog' effect.
I have a scene where I have a Corona Sky. Within it is a "Shanghai at night" HDR. This provides the illumination and a background for the image.
To create the fog I created a Volume Material and messed around with some of the variables until I was happy. Then I have gone into the render settings and gone into "Scene Environment", then dropped the new material into the "Global Volume". See attached for the material settings etc.
The density, etc is all great. However, The fog is very 'grainy'. Upping the passes from 20 to much higher doesn't seem to fix this.
I'm sure there's a slider somewhere to increase samples or something but can you please show me what I need to do?
Attached are the settings for the material. I've also attached a screen grab of a 'grainy' area...
Thanks in advance

[C4D] I need help! / Beginner question about materials!
« on: 2023-07-19, 15:16:30 »
I have this material from the Corona library. Mapped it to a ball. Looks great. Popped it onto a wall and it looks rubbish! Any ideas of what's going wrong here?

I'm still a beginner at this and I'm looking to download as big a library of materials as possible. The way I learn is by applying materials, then working out how the effect was achieved. At this point I need to get a big library together as I'm learning 'on the job' so need to just get immediate access to all kinds of materials so my 'learning' phase doesn't slow me down too much!
Any recommendations please?
Thanks in advance.

Hello. Can someone please tell me what the procedure is for rendering out a channel to 'cut out' an item in my render scene please? Usually I use an object buffer in the render tag along with multi-pass but I don't seem to have the option in Corona.

Any help much appreciated!

[C4D] I need help! / Floating Licences
« on: 2023-05-23, 11:42:42 »
Hello. I purchased a floating licence so my copy of Corona can be used on multiple machines. I did this because my company is just starting to use it. There are two of us so I thought it would be useful to buy a floating copy so we can dip into it whenever something comes up. As and when we become more reliant on it I'll get an additional full licence.

However, this may not work - as the other seat would need to sign in as me? Is this correct?  We are just two designers. Two copies of Cinema 4D. Two different emails. Two different houses. He just works for me remotely.

Is there a way to do this for us? Or is this 'floating' licence just for me to work from different computers?

I have a Mac Studio with C4D and I've just started using Corona Render (premium licence) on it. It's great so far. I have a couple of queries.

Firstly, is there a way to pop my renders into a render queue like I would have done standard render?

Second, I have a PC sitting here largely redundant. It's a Threadripper 2990WX with 32GB RAM. Would this be suitable for a render node? As in, will it be quick? Powerful?

Third, if I can use this PC - how is that set up? Is there a guide anywhere?

Fourth, do I need to purchase a specific licence or is a single render node within my licence?

Thanks in advance, sorry I'm very, very new to it.

Hello. I have a job I'm working on. I'm rendering out individual items of office furtniture etc. The file is super simple. A desk (or whatever) then a 'floor' item, a camera, then a HRDI studio. I rendered them out and supplied them to the client. Now, because she's no good in photoshop / Indesign etc she's asked me to provide them on a transparent background.

I'd usually do this with an object buffer and perhaps mess around with the background so it's set to overlay etc but she seems to want it 'transparent'. This means I'll lose my nice shadows on the floor and everything will look 'floating' and a bit rubbish.

How would I be able to render out the items with a separate 'shadow on the floor' layer in Corona?
Thanks folks, super new to this.

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